[INFO] fetching crate mco 0.1.48...
[INFO] testing mco-0.1.48 against 1.85.0 for beta-1.86-3
[INFO] extracting crate mco 0.1.48 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate mco 0.1.48 on toolchain 1.85.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.85.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mco 0.1.48
[INFO] finished tweaking crates.io crate mco 0.1.48
[INFO] tweaked toml for crates.io crate mco 0.1.48 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.85.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 89 packages to latest compatible versions
[INFO] [stderr]       Adding generator v0.7.5 (available: v0.8.4)
[INFO] [stderr]       Adding nix v0.27.1 (available: v0.29.0)
[INFO] [stderr]       Adding parking_lot v0.11.2 (available: v0.12.3)
[INFO] [stderr]       Adding windows-sys v0.48.0 (available: v0.59.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.85.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.218
[INFO] [stderr]   Downloaded num_threads v0.1.7
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.85.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e34439ee3f711a4ec6194d37a4a80de3744d634f92917b267ef50ed8e997fe03
[INFO] running `Command { std: "docker" "start" "-a" "e34439ee3f711a4ec6194d37a4a80de3744d634f92917b267ef50ed8e997fe03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e34439ee3f711a4ec6194d37a4a80de3744d634f92917b267ef50ed8e997fe03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e34439ee3f711a4ec6194d37a4a80de3744d634f92917b267ef50ed8e997fe03", kill_on_drop: false }`
[INFO] [stdout] e34439ee3f711a4ec6194d37a4a80de3744d634f92917b267ef50ed8e997fe03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.85.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fff373f3eff8a16082d31646f3b47486a714519dc0c41e25ab19bab84677547c
[INFO] running `Command { std: "docker" "start" "-a" "fff373f3eff8a16082d31646f3b47486a714519dc0c41e25ab19bab84677547c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling rustversion v1.0.19
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling serde v1.0.218
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling smallvec v1.14.0
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling bitflags v2.9.0
[INFO] [stderr]    Compiling log v0.4.26
[INFO] [stderr]    Compiling num_threads v0.1.7
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling itoa v1.0.14
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling once_cell v1.20.3
[INFO] [stderr]    Compiling cc v1.2.16
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-channel v0.5.14
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling generator v0.7.5
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling socket2 v0.5.8
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling nix v0.27.1
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling time v0.3.37
[INFO] [stderr]    Compiling mco v0.1.48 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]   --> src/lib.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 | #![cfg_attr(nightly, feature(thread_local))]
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `fmt_debug`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows`
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]   --> src/lib.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 | #![cfg_attr(nightly, feature(core_intrinsics))]
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]   --> src/lib.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 | #![cfg_attr(nightly, feature(min_specialization))]
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]   --> src/scheduler.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[cfg(nightly)]
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]   --> src/scheduler.rs:20:11
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[cfg(not(nightly))]
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]   --> src/scheduler.rs:27:7
[INFO] [stdout]    |
[INFO] [stdout] 27 | #[cfg(nightly)]
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]   --> src/scheduler.rs:31:11
[INFO] [stdout]    |
[INFO] [stdout] 31 | #[cfg(not(nightly))]
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/scheduler.rs:252:15
[INFO] [stdout]     |
[INFO] [stdout] 252 |         #[cfg(nightly)]
[INFO] [stdout]     |               ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/scheduler.rs:254:19
[INFO] [stdout]     |
[INFO] [stdout] 254 |         #[cfg(not(nightly))]
[INFO] [stdout]     |                   ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `bitrig`
[INFO] [stdout]  --> src/io/sys/unix/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     target_os = "bitrig",
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `target_os` are: `aix`, `android`, `cuda`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `macos`, `netbsd`, `none`, `nto`, `nuttx`, `openbsd`, `psp`, `psx`, `redox`, `rtems`, `solaris`, `solid_asp3`, `teeos`, `trusty`, `tvos`, `uefi`, `unknown`, `visionos`, and `vita` and 6 more
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `smallvec::SmallVec`
[INFO] [stdout]   --> src/io/sys/unix/epoll.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use smallvec::SmallVec;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]   --> src/io/event_loop.rs:21:15
[INFO] [stdout]    |
[INFO] [stdout] 21 |         #[cfg(nightly)]
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]   --> src/io/event_loop.rs:23:19
[INFO] [stdout]    |
[INFO] [stdout] 23 |         #[cfg(not(nightly))]
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]  --> src/std/queue/mod.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(all(nightly, test), feature(test))]
[INFO] [stdout]   |                 ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `nacl`
[INFO] [stdout]   --> src/std/time/sys/unix.rs:55:11
[INFO] [stdout]    |
[INFO] [stdout] 55 | #[cfg(any(target_os = "nacl", target_os = "solaris", target_os = "illumos"))]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `target_os` are: `aix`, `android`, `cuda`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `macos`, `netbsd`, `none`, `nto`, `nuttx`, `openbsd`, `psp`, `psx`, `redox`, `rtems`, `solaris`, `solid_asp3`, `teeos`, `trusty`, `tvos`, `uefi`, `unknown`, `visionos`, and `vita` and 6 more
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `nacl`
[INFO] [stdout]    --> src/std/time/sys/unix.rs:109:9
[INFO] [stdout]     |
[INFO] [stdout] 109 |         target_os = "nacl",
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `target_os` are: `aix`, `android`, `cuda`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `macos`, `netbsd`, `none`, `nto`, `nuttx`, `openbsd`, `psp`, `psx`, `redox`, `rtems`, `solaris`, `solid_asp3`, `teeos`, `trusty`, `tvos`, `uefi`, `unknown`, `visionos`, and `vita` and 6 more
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `alloc`
[INFO] [stdout]    --> src/std/lazy/mod.rs:325:7
[INFO] [stdout]     |
[INFO] [stdout] 325 | #[cfg(feature = "alloc")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `js-sys` and `wasm-bindgen`
[INFO] [stdout]     = help: consider adding `alloc` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `nix::sys::epoll::epoll_create`: Use Epoll::new() instead
[INFO] [stdout]   --> src/io/sys/unix/epoll.rs:39:20
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let epfd = epoll_create().map_err(from_nix_error)?;
[INFO] [stdout]    |                    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `nix::sys::epoll::epoll_ctl`: Use Epoll::epoll_ctl() instead
[INFO] [stdout]   --> src/io/sys/unix/epoll.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |         epoll_ctl(epfd, EpollOp::EpollCtlAdd, evfd, &mut info).map_err(from_nix_error)?;
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `nix::sys::epoll::epoll_wait`: Use Epoll::wait() instead
[INFO] [stdout]    --> src/io/sys/unix/epoll.rs:102:17
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let n = epoll_wait(epfd, events, timeout_ms).map_err(from_nix_error)?;
[INFO] [stdout]     |                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `nix::sys::epoll::epoll_ctl`: Use Epoll::epoll_ctl() instead
[INFO] [stdout]    --> src/io/sys/unix/epoll.rs:183:9
[INFO] [stdout]     |
[INFO] [stdout] 183 |         epoll_ctl(epfd, EpollOp::EpollCtlAdd, fd, &mut info)
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `nix::sys::epoll::epoll_ctl`: Use Epoll::epoll_ctl() instead
[INFO] [stdout]    --> src/io/sys/unix/epoll.rs:209:9
[INFO] [stdout]     |
[INFO] [stdout] 209 |         epoll_ctl(epfd, EpollOp::EpollCtlDel, fd, &mut info).ok();
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ret`
[INFO] [stdout]    --> src/io/sys/unix/epoll.rs:163:13
[INFO] [stdout]     |
[INFO] [stdout] 163 |         let ret = write(unsafe { self.vec.get_unchecked(id) }.evfd, buf);
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_ret`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.11s
[INFO] running `Command { std: "docker" "inspect" "fff373f3eff8a16082d31646f3b47486a714519dc0c41e25ab19bab84677547c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fff373f3eff8a16082d31646f3b47486a714519dc0c41e25ab19bab84677547c", kill_on_drop: false }`
[INFO] [stdout] fff373f3eff8a16082d31646f3b47486a714519dc0c41e25ab19bab84677547c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.85.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9ccc09073a94274f616a2f75b65eee89fa615894c3b41677882a8034f189494
[INFO] running `Command { std: "docker" "start" "-a" "b9ccc09073a94274f616a2f75b65eee89fa615894c3b41677882a8034f189494", kill_on_drop: false }`
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]   --> src/lib.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 | #![cfg_attr(nightly, feature(thread_local))]
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `fmt_debug`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows`
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]   --> src/lib.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 | #![cfg_attr(nightly, feature(core_intrinsics))]
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]   --> src/lib.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 | #![cfg_attr(nightly, feature(min_specialization))]
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]   --> src/scheduler.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[cfg(nightly)]
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]   --> src/scheduler.rs:20:11
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[cfg(not(nightly))]
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]   --> src/scheduler.rs:27:7
[INFO] [stdout]    |
[INFO] [stdout] 27 | #[cfg(nightly)]
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]   --> src/scheduler.rs:31:11
[INFO] [stdout]    |
[INFO] [stdout] 31 | #[cfg(not(nightly))]
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/scheduler.rs:252:15
[INFO] [stdout]     |
[INFO] [stdout] 252 |         #[cfg(nightly)]
[INFO] [stdout]     |               ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/scheduler.rs:254:19
[INFO] [stdout]     |
[INFO] [stdout] 254 |         #[cfg(not(nightly))]
[INFO] [stdout]     |                   ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `bitrig`
[INFO] [stdout]  --> src/io/sys/unix/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     target_os = "bitrig",
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `target_os` are: `aix`, `android`, `cuda`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `macos`, `netbsd`, `none`, `nto`, `nuttx`, `openbsd`, `psp`, `psx`, `redox`, `rtems`, `solaris`, `solid_asp3`, `teeos`, `trusty`, `tvos`, `uefi`, `unknown`, `visionos`, and `vita` and 6 more
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `smallvec::SmallVec`
[INFO] [stdout]   --> src/io/sys/unix/epoll.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use smallvec::SmallVec;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]   --> src/io/event_loop.rs:21:15
[INFO] [stdout]    |
[INFO] [stdout] 21 |         #[cfg(nightly)]
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]   --> src/io/event_loop.rs:23:19
[INFO] [stdout]    |
[INFO] [stdout] 23 |         #[cfg(not(nightly))]
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]  --> src/std/queue/mod.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(all(nightly, test), feature(test))]
[INFO] [stdout]   |                 ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `nacl`
[INFO] [stdout]   --> src/std/time/sys/unix.rs:55:11
[INFO] [stdout]    |
[INFO] [stdout] 55 | #[cfg(any(target_os = "nacl", target_os = "solaris", target_os = "illumos"))]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `target_os` are: `aix`, `android`, `cuda`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `macos`, `netbsd`, `none`, `nto`, `nuttx`, `openbsd`, `psp`, `psx`, `redox`, `rtems`, `solaris`, `solid_asp3`, `teeos`, `trusty`, `tvos`, `uefi`, `unknown`, `visionos`, and `vita` and 6 more
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `nacl`
[INFO] [stdout]    --> src/std/time/sys/unix.rs:109:9
[INFO] [stdout]     |
[INFO] [stdout] 109 |         target_os = "nacl",
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `target_os` are: `aix`, `android`, `cuda`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `macos`, `netbsd`, `none`, `nto`, `nuttx`, `openbsd`, `psp`, `psx`, `redox`, `rtems`, `solaris`, `solid_asp3`, `teeos`, `trusty`, `tvos`, `uefi`, `unknown`, `visionos`, and `vita` and 6 more
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `alloc`
[INFO] [stdout]    --> src/std/lazy/mod.rs:325:7
[INFO] [stdout]     |
[INFO] [stdout] 325 | #[cfg(feature = "alloc")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `js-sys` and `wasm-bindgen`
[INFO] [stdout]     = help: consider adding `alloc` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `nix::sys::epoll::epoll_create`: Use Epoll::new() instead
[INFO] [stdout]   --> src/io/sys/unix/epoll.rs:39:20
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let epfd = epoll_create().map_err(from_nix_error)?;
[INFO] [stdout]    |                    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `nix::sys::epoll::epoll_ctl`: Use Epoll::epoll_ctl() instead
[INFO] [stdout]   --> src/io/sys/unix/epoll.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |         epoll_ctl(epfd, EpollOp::EpollCtlAdd, evfd, &mut info).map_err(from_nix_error)?;
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `nix::sys::epoll::epoll_wait`: Use Epoll::wait() instead
[INFO] [stdout]    --> src/io/sys/unix/epoll.rs:102:17
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let n = epoll_wait(epfd, events, timeout_ms).map_err(from_nix_error)?;
[INFO] [stdout]     |                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mco v0.1.48 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `nix::sys::epoll::epoll_ctl`: Use Epoll::epoll_ctl() instead
[INFO] [stdout]    --> src/io/sys/unix/epoll.rs:183:9
[INFO] [stdout]     |
[INFO] [stdout] 183 |         epoll_ctl(epfd, EpollOp::EpollCtlAdd, fd, &mut info)
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `nix::sys::epoll::epoll_ctl`: Use Epoll::epoll_ctl() instead
[INFO] [stdout]    --> src/io/sys/unix/epoll.rs:209:9
[INFO] [stdout]     |
[INFO] [stdout] 209 |         epoll_ctl(epfd, EpollOp::EpollCtlDel, fd, &mut info).ok();
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ret`
[INFO] [stdout]    --> src/io/sys/unix/epoll.rs:163:13
[INFO] [stdout]     |
[INFO] [stdout] 163 |         let ret = write(unsafe { self.vec.get_unchecked(id) }.evfd, buf);
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_ret`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/channel.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |             s1.send(1);
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 16 |             let _ = s1.send(1);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/channel.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |             s1.send(1);
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 30 |             let _ = s1.send(1);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> tests/lib.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     unsafe { j.coroutine().cancel() };
[INFO] [stdout]    |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> tests/lib.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |     unsafe { j.coroutine().cancel() };
[INFO] [stdout]    |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]   --> src/lib.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 | #![cfg_attr(nightly, feature(thread_local))]
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `fmt_debug`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows`
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]   --> src/lib.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 | #![cfg_attr(nightly, feature(core_intrinsics))]
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]   --> src/lib.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 | #![cfg_attr(nightly, feature(min_specialization))]
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]   --> src/scheduler.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[cfg(nightly)]
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]   --> src/scheduler.rs:20:11
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[cfg(not(nightly))]
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]   --> src/scheduler.rs:27:7
[INFO] [stdout]    |
[INFO] [stdout] 27 | #[cfg(nightly)]
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]   --> src/scheduler.rs:31:11
[INFO] [stdout]    |
[INFO] [stdout] 31 | #[cfg(not(nightly))]
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/scheduler.rs:252:15
[INFO] [stdout]     |
[INFO] [stdout] 252 |         #[cfg(nightly)]
[INFO] [stdout]     |               ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/scheduler.rs:254:19
[INFO] [stdout]     |
[INFO] [stdout] 254 |         #[cfg(not(nightly))]
[INFO] [stdout]     |                   ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `bitrig`
[INFO] [stdout]  --> src/io/sys/unix/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     target_os = "bitrig",
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `target_os` are: `aix`, `android`, `cuda`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `macos`, `netbsd`, `none`, `nto`, `nuttx`, `openbsd`, `psp`, `psx`, `redox`, `rtems`, `solaris`, `solid_asp3`, `teeos`, `trusty`, `tvos`, `uefi`, `unknown`, `visionos`, and `vita` and 6 more
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `smallvec::SmallVec`
[INFO] [stdout]   --> src/io/sys/unix/epoll.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use smallvec::SmallVec;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]   --> src/io/event_loop.rs:21:15
[INFO] [stdout]    |
[INFO] [stdout] 21 |         #[cfg(nightly)]
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]   --> src/io/event_loop.rs:23:19
[INFO] [stdout]    |
[INFO] [stdout] 23 |         #[cfg(not(nightly))]
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]  --> src/std/queue/mod.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(all(nightly, test), feature(test))]
[INFO] [stdout]   |                 ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `defer`
[INFO] [stdout]   --> src/std/sync/once.rs:56:23
[INFO] [stdout]    |
[INFO] [stdout] 56 |     use crate::{chan, defer};
[INFO] [stdout]    |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `defer` and `sleep`
[INFO] [stdout]    --> src/std/sync/sync_hash_map.rs:454:17
[INFO] [stdout]     |
[INFO] [stdout] 454 |     use crate::{defer, sleep};
[INFO] [stdout]     |                 ^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]    --> src/std/sync/sync_hash_map.rs:457:9
[INFO] [stdout]     |
[INFO] [stdout] 457 |     use std::collections::HashMap;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::atomic::Ordering`
[INFO] [stdout]    --> src/std/sync/sync_hash_map.rs:459:9
[INFO] [stdout]     |
[INFO] [stdout] 459 |     use std::sync::atomic::Ordering;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::std::lazy::sync::Lazy`
[INFO] [stdout]    --> src/std/sync/sync_hash_map.rs:462:9
[INFO] [stdout]     |
[INFO] [stdout] 462 |     use crate::std::lazy::sync::Lazy;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BTreeMap`
[INFO] [stdout]    --> src/std/sync/sync_btree_map.rs:446:9
[INFO] [stdout]     |
[INFO] [stdout] 446 |     use std::collections::BTreeMap;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::atomic::Ordering`
[INFO] [stdout]    --> src/std/sync/sync_btree_map.rs:448:9
[INFO] [stdout]     |
[INFO] [stdout] 448 |     use std::sync::atomic::Ordering;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TryStream`
[INFO] [stdout]   --> src/std/io/stream_chan.rs:46:38
[INFO] [stdout]    |
[INFO] [stdout] 46 |     use crate::std::io::{ChanStream, TryStream};
[INFO] [stdout]    |                                      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::ControlFlow`
[INFO] [stdout]   --> src/std/io/stream_chan.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     use std::ops::ControlFlow;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `nacl`
[INFO] [stdout]   --> src/std/time/sys/unix.rs:55:11
[INFO] [stdout]    |
[INFO] [stdout] 55 | #[cfg(any(target_os = "nacl", target_os = "solaris", target_os = "illumos"))]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `target_os` are: `aix`, `android`, `cuda`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `macos`, `netbsd`, `none`, `nto`, `nuttx`, `openbsd`, `psp`, `psx`, `redox`, `rtems`, `solaris`, `solid_asp3`, `teeos`, `trusty`, `tvos`, `uefi`, `unknown`, `visionos`, and `vita` and 6 more
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `nacl`
[INFO] [stdout]    --> src/std/time/sys/unix.rs:109:9
[INFO] [stdout]     |
[INFO] [stdout] 109 |         target_os = "nacl",
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `target_os` are: `aix`, `android`, `cuda`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `macos`, `netbsd`, `none`, `nto`, `nuttx`, `openbsd`, `psp`, `psx`, `redox`, `rtems`, `solaris`, `solid_asp3`, `teeos`, `trusty`, `tvos`, `uefi`, `unknown`, `visionos`, and `vita` and 6 more
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `alloc`
[INFO] [stdout]    --> src/std/lazy/mod.rs:325:7
[INFO] [stdout]     |
[INFO] [stdout] 325 | #[cfg(feature = "alloc")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `js-sys` and `wasm-bindgen`
[INFO] [stdout]     = help: consider adding `alloc` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::sleep`
[INFO] [stdout]    --> src/std/vec/mod.rs:406:9
[INFO] [stdout]     |
[INFO] [stdout] 406 |     use crate::sleep;
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]    --> src/std/vec/mod.rs:409:9
[INFO] [stdout]     |
[INFO] [stdout] 409 |     use std::ops::Deref;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::atomic::Ordering`
[INFO] [stdout]    --> src/std/vec/mod.rs:410:9
[INFO] [stdout]     |
[INFO] [stdout] 410 |     use std::sync::atomic::Ordering;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `nix::sys::epoll::epoll_create`: Use Epoll::new() instead
[INFO] [stdout]   --> src/io/sys/unix/epoll.rs:39:20
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let epfd = epoll_create().map_err(from_nix_error)?;
[INFO] [stdout]    |                    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `nix::sys::epoll::epoll_ctl`: Use Epoll::epoll_ctl() instead
[INFO] [stdout]   --> src/io/sys/unix/epoll.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |         epoll_ctl(epfd, EpollOp::EpollCtlAdd, evfd, &mut info).map_err(from_nix_error)?;
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `nix::sys::epoll::epoll_wait`: Use Epoll::wait() instead
[INFO] [stdout]    --> src/io/sys/unix/epoll.rs:102:17
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let n = epoll_wait(epfd, events, timeout_ms).map_err(from_nix_error)?;
[INFO] [stdout]     |                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `nix::sys::epoll::epoll_ctl`: Use Epoll::epoll_ctl() instead
[INFO] [stdout]    --> src/io/sys/unix/epoll.rs:183:9
[INFO] [stdout]     |
[INFO] [stdout] 183 |         epoll_ctl(epfd, EpollOp::EpollCtlAdd, fd, &mut info)
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `nix::sys::epoll::epoll_ctl`: Use Epoll::epoll_ctl() instead
[INFO] [stdout]    --> src/io/sys/unix/epoll.rs:209:9
[INFO] [stdout]     |
[INFO] [stdout] 209 |         epoll_ctl(epfd, EpollOp::EpollCtlDel, fd, &mut info).ok();
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]    --> src/io/sys/unix/co_io.rs:236:5
[INFO] [stdout]     |
[INFO] [stdout] 236 |     #![feature(test)]
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]    --> src/std/queue/mpsc_list.rs:120:5
[INFO] [stdout]     |
[INFO] [stdout] 120 |     #![feature(test)]
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]    --> src/std/queue/mpsc_list_v1.rs:349:5
[INFO] [stdout]     |
[INFO] [stdout] 349 |     #![feature(test)]
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]    --> src/std/sync/condvar.rs:198:5
[INFO] [stdout]     |
[INFO] [stdout] 198 |     #![feature(test)]
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]    --> src/std/sync/mutex.rs:250:5
[INFO] [stdout]     |
[INFO] [stdout] 250 |     #![feature(test)]
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]    --> src/std/sync/rwlock.rs:326:5
[INFO] [stdout]     |
[INFO] [stdout] 326 |     #![feature(test)]
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]    --> src/std/sync/semphore.rs:174:5
[INFO] [stdout]     |
[INFO] [stdout] 174 |     #![feature(test)]
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]    --> src/std/sync/sync_flag.rs:155:5
[INFO] [stdout]     |
[INFO] [stdout] 155 |     #![feature(test)]
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/std/blocking/mod.rs:74:13
[INFO] [stdout]    |
[INFO] [stdout] 73 |             panic!("e");
[INFO] [stdout]    |             ----------- any code following this expression is unreachable
[INFO] [stdout] 74 |             return 1;
[INFO] [stdout]    |             ^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ret`
[INFO] [stdout]    --> src/io/sys/unix/epoll.rs:163:13
[INFO] [stdout]     |
[INFO] [stdout] 163 |         let ret = write(unsafe { self.vec.get_unchecked(id) }.evfd, buf);
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_ret`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/std/sync/condvar.rs:346:13
[INFO] [stdout]     |
[INFO] [stdout] 346 |             unsafe { vec[i].coroutine().cancel() };
[INFO] [stdout]     |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/std/sync/mutex.rs:523:9
[INFO] [stdout]     |
[INFO] [stdout] 523 |         unsafe { h1.coroutine().cancel() };
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/std/sync/mutex.rs:564:9
[INFO] [stdout]     |
[INFO] [stdout] 564 |         unsafe { h1.coroutine().cancel() };
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/std/sync/once.rs:97:13
[INFO] [stdout]    |
[INFO] [stdout] 97 |         for i in 0..n {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/std/sync/once.rs:107:13
[INFO] [stdout]     |
[INFO] [stdout] 107 |         for i in 0..n {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/std/sync/rwlock.rs:634:9
[INFO] [stdout]     |
[INFO] [stdout] 634 |         unsafe { vec[cancel_id - 1].coroutine().cancel() };
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/std/sync/rwlock.rs:684:9
[INFO] [stdout]     |
[INFO] [stdout] 684 |         unsafe { h.coroutine().cancel() };
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/std/sync/semphore.rs:260:9
[INFO] [stdout]     |
[INFO] [stdout] 260 |         unsafe { h1.coroutine().cancel() };
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/std/sync/sync_flag.rs:199:9
[INFO] [stdout]     |
[INFO] [stdout] 199 |         unsafe { h1.coroutine().cancel() };
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `insert`
[INFO] [stdout]    --> src/std/sync/sync_hash_map.rs:508:21
[INFO] [stdout]     |
[INFO] [stdout] 508 |                 let insert = m1.insert(1, 2);
[INFO] [stdout]     |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `insert`
[INFO] [stdout]    --> src/std/sync/sync_hash_map.rs:513:21
[INFO] [stdout]     |
[INFO] [stdout] 513 |                 let insert = m2.insert(1, 2);
[INFO] [stdout]     |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `insert`
[INFO] [stdout]    --> src/std/sync/sync_hash_map.rs:535:25
[INFO] [stdout]     |
[INFO] [stdout] 535 |                     let insert = m1.insert(i, i);
[INFO] [stdout]     |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `insert`
[INFO] [stdout]    --> src/std/sync/sync_hash_map.rs:542:25
[INFO] [stdout]     |
[INFO] [stdout] 542 |                     let insert = m2.insert(i, i);
[INFO] [stdout]     |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `insert`
[INFO] [stdout]    --> src/std/sync/sync_hash_map.rs:556:13
[INFO] [stdout]     |
[INFO] [stdout] 556 |         let insert = m.insert(1, 2);
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `insert`
[INFO] [stdout]    --> src/std/sync/sync_hash_map.rs:576:13
[INFO] [stdout]     |
[INFO] [stdout] 576 |         let insert = m.insert(1, a);
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `insert`
[INFO] [stdout]    --> src/std/sync/sync_hash_map.rs:613:13
[INFO] [stdout]     |
[INFO] [stdout] 613 |         let insert = m.insert(1, 2);
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `insert`
[INFO] [stdout]    --> src/std/sync/sync_hash_map.rs:623:13
[INFO] [stdout]     |
[INFO] [stdout] 623 |         let insert = m.insert(1, 2);
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `insert`
[INFO] [stdout]    --> src/std/sync/sync_hash_map.rs:641:21
[INFO] [stdout]     |
[INFO] [stdout] 641 |                 let insert = m.insert(i, i);
[INFO] [stdout]     |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `insert`
[INFO] [stdout]    --> src/std/sync/sync_hash_map.rs:670:21
[INFO] [stdout]     |
[INFO] [stdout] 670 |                 let insert = m.insert(i, i);
[INFO] [stdout]     |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]    --> src/std/sync/sync_hash_map.rs:679:21
[INFO] [stdout]     |
[INFO] [stdout] 679 |                 let g = m2.remove(&i);
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `insert`
[INFO] [stdout]    --> src/std/sync/sync_btree_map.rs:487:21
[INFO] [stdout]     |
[INFO] [stdout] 487 |                 let insert = m1.insert(1, 2);
[INFO] [stdout]     |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `insert`
[INFO] [stdout]    --> src/std/sync/sync_btree_map.rs:492:21
[INFO] [stdout]     |
[INFO] [stdout] 492 |                 let insert = m2.insert(1, 2);
[INFO] [stdout]     |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `insert`
[INFO] [stdout]    --> src/std/sync/sync_btree_map.rs:502:13
[INFO] [stdout]     |
[INFO] [stdout] 502 |         let insert = m.insert(1, 2);
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `insert`
[INFO] [stdout]    --> src/std/sync/sync_btree_map.rs:510:13
[INFO] [stdout]     |
[INFO] [stdout] 510 |         let insert = m.insert(1, 2);
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `insert`
[INFO] [stdout]    --> src/std/sync/sync_btree_map.rs:520:13
[INFO] [stdout]     |
[INFO] [stdout] 520 |         let insert = m.insert(1, 2);
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/std/io/stream_chan.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 55 |         let mut c = ChanStream { recv: r, send: s };
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/std/io/stream_chan.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let mut c = ChanStream { recv: r, send: s };
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/std/time/tick.rs:122:13
[INFO] [stdout]     |
[INFO] [stdout] 122 |         let mut t = Arc::new(Ticker::new(Duration::from_secs(1)));
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/std/time/time.rs:566:13
[INFO] [stdout]     |
[INFO] [stdout] 566 |         let mut now = Time::now();
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `insert`
[INFO] [stdout]    --> src/std/vec/mod.rs:458:21
[INFO] [stdout]     |
[INFO] [stdout] 458 |                 let insert = m1.push(2);
[INFO] [stdout]     |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `insert`
[INFO] [stdout]    --> src/std/vec/mod.rs:463:21
[INFO] [stdout]     |
[INFO] [stdout] 463 |                 let insert = m2.push(2);
[INFO] [stdout]     |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `insert`
[INFO] [stdout]    --> src/std/vec/mod.rs:482:25
[INFO] [stdout]     |
[INFO] [stdout] 482 |                     let insert = m1.push(i);
[INFO] [stdout]     |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `insert`
[INFO] [stdout]    --> src/std/vec/mod.rs:489:25
[INFO] [stdout]     |
[INFO] [stdout] 489 |                     let insert = m2.push(i);
[INFO] [stdout]     |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `insert`
[INFO] [stdout]    --> src/std/vec/mod.rs:500:13
[INFO] [stdout]     |
[INFO] [stdout] 500 |         let insert = m.push(2);
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `insert`
[INFO] [stdout]    --> src/std/vec/mod.rs:520:13
[INFO] [stdout]     |
[INFO] [stdout] 520 |         let insert = m.push(a);
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/std/vec/mod.rs:534:13
[INFO] [stdout]     |
[INFO] [stdout] 534 |         for i in 0..1000000 {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/std/vec/mod.rs:543:13
[INFO] [stdout]     |
[INFO] [stdout] 543 |         for i in 0..1000000 {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `insert`
[INFO] [stdout]    --> src/std/vec/mod.rs:557:13
[INFO] [stdout]     |
[INFO] [stdout] 557 |         let insert = m.push(2);
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `insert`
[INFO] [stdout]    --> src/std/vec/mod.rs:566:13
[INFO] [stdout]     |
[INFO] [stdout] 566 |         let insert = m.push(2);
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/std/queue/array_queue.rs:481:9
[INFO] [stdout]     |
[INFO] [stdout] 481 |         q.push(1);
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 481 |         let _ = q.push(1);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/std/queue/array_queue.rs:482:9
[INFO] [stdout]     |
[INFO] [stdout] 482 |         q.push(2);
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 482 |         let _ = q.push(2);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/std/queue/array_queue.rs:483:9
[INFO] [stdout]     |
[INFO] [stdout] 483 |         q.push(3);
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 483 |         let _ = q.push(3);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/std/sync/condvar.rs:211:9
[INFO] [stdout]     |
[INFO] [stdout] 211 |         c.notify_one();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 211 |         let _ = c.notify_one();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/std/sync/condvar.rs:212:9
[INFO] [stdout]     |
[INFO] [stdout] 212 |         c.notify_all();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 212 |         let _ = c.notify_all();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/std/sync/condvar.rs:225:13
[INFO] [stdout]     |
[INFO] [stdout] 225 |             c2.notify_one();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 225 |             let _ = c2.notify_one();
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/std/sync/condvar.rs:260:9
[INFO] [stdout]     |
[INFO] [stdout] 260 |         cond.notify_all();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 260 |         let _ = cond.notify_all();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/std/sync/condvar.rs:280:13
[INFO] [stdout]     |
[INFO] [stdout] 280 |             c2.notify_one();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 280 |             let _ = c2.notify_one();
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/std/sync/condvar.rs:300:13
[INFO] [stdout]     |
[INFO] [stdout] 300 |             c2.notify_one();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 300 |             let _ = c2.notify_one();
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/std/sync/condvar.rs:357:9
[INFO] [stdout]     |
[INFO] [stdout] 357 |         cond.notify_all();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 357 |         let _ = cond.notify_all();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/std/sync/mutex.rs:393:13
[INFO] [stdout]     |
[INFO] [stdout] 393 |             cvar.notify_one();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 393 |             let _ = cvar.notify_one();
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/std/sync/mutex.rs:415:13
[INFO] [stdout]     |
[INFO] [stdout] 415 |             cvar.notify_one();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 415 |             let _ = cvar.notify_one();
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/std/sync/once.rs:83:20
[INFO] [stdout]    |
[INFO] [stdout] 83 |             panic!(format!("once failed inside run: {} is not 1", o.value()));
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 83 -             panic!(format!("once failed inside run: {} is not 1", o.value()));
[INFO] [stdout] 83 +             panic!("once failed inside run: {} is not 1", o.value());
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/std/sync/once.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |         s.send(true);
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let _ = s.send(true);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/std/sync/once.rs:108:13
[INFO] [stdout]     |
[INFO] [stdout] 108 |             r.recv();
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 108 |             let _ = r.recv();
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/std/sync/once.rs:111:20
[INFO] [stdout]     |
[INFO] [stdout] 111 |             panic!(format!("once failed outside run: {} is not 1", one.value()));
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 111 -             panic!(format!("once failed outside run: {} is not 1", one.value()));
[INFO] [stdout] 111 +             panic!("once failed outside run: {} is not 1", one.value());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/std/sync/once.rs:118:9
[INFO] [stdout]     |
[INFO] [stdout] 118 | /         catch_unwind(|| {
[INFO] [stdout] 119 | |             once.r#do(|| {
[INFO] [stdout] 120 | |                 panic!("failed");
[INFO] [stdout] 121 | |             });
[INFO] [stdout] 122 | |         });
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 118 |         let _ = catch_unwind(|| {
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/std/sync/rwlock.rs:641:13
[INFO] [stdout]     |
[INFO] [stdout] 641 |             cond.notify_all();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 641 |             let _ = cond.notify_all();
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/std/sync/sync_hash_map.rs:643:33
[INFO] [stdout]     |
[INFO] [stdout] 643 |                 assert_eq!(i, *g.deref());
[INFO] [stdout]     |                                 ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `i32` does not implement `Deref`, so calling `deref` on `&i32` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/std/sync/sync_hash_map.rs:672:33
[INFO] [stdout]     |
[INFO] [stdout] 672 |                 assert_eq!(i, *g.deref());
[INFO] [stdout]     |                                 ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `i32` does not implement `Deref`, so calling `deref` on `&i32` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/std/sync/sync_btree_map.rs:504:25
[INFO] [stdout]     |
[INFO] [stdout] 504 |         assert_eq!(2, *g.deref());
[INFO] [stdout]     |                         ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `i32` does not implement `Deref`, so calling `deref` on `&i32` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/std/sync/channel.rs:456:13
[INFO] [stdout]     |
[INFO] [stdout] 456 |             tx.send(1);
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 456 |             let _ = tx.send(1);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/std/sync/channel.rs:459:13
[INFO] [stdout]     |
[INFO] [stdout] 459 |             tx.send(2);
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 459 |             let _ = tx.send(2);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/std/io/stream_chan.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         s.send(Some(Ok(1)));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let _ = s.send(Some(Ok(1)));
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/std/io/stream_chan.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |         s.send(None);
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let _ = s.send(None);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/std/io/stream_chan.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |         s.send(Some(Ok(1)));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let _ = s.send(Some(Ok(1)));
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/std/io/stream_chan.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |         s.send(None);
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let _ = s.send(None);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/std/time/tick.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 |         t.stop();
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 130 |         let _ = t.stop();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.07s
[INFO] running `Command { std: "docker" "inspect" "b9ccc09073a94274f616a2f75b65eee89fa615894c3b41677882a8034f189494", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9ccc09073a94274f616a2f75b65eee89fa615894c3b41677882a8034f189494", kill_on_drop: false }`
[INFO] [stdout] b9ccc09073a94274f616a2f75b65eee89fa615894c3b41677882a8034f189494
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.85.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ddf0bba6e926de8d43c74f814cbf17fdee4160bb7e8841d24a8be15c7b3f34e6
[INFO] running `Command { std: "docker" "start" "-a" "ddf0bba6e926de8d43c74f814cbf17fdee4160bb7e8841d24a8be15c7b3f34e6", kill_on_drop: false }`
[INFO] [stderr] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stderr]   --> src/lib.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 | #![cfg_attr(nightly, feature(thread_local))]
[INFO] [stderr]    |             ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `fmt_debug`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows`
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stderr]   --> src/lib.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 | #![cfg_attr(nightly, feature(core_intrinsics))]
[INFO] [stderr]    |             ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stderr]   --> src/lib.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 | #![cfg_attr(nightly, feature(min_specialization))]
[INFO] [stderr]    |             ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stderr]   --> src/scheduler.rs:17:7
[INFO] [stderr]    |
[INFO] [stderr] 17 | #[cfg(nightly)]
[INFO] [stderr]    |       ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stderr]   --> src/scheduler.rs:20:11
[INFO] [stderr]    |
[INFO] [stderr] 20 | #[cfg(not(nightly))]
[INFO] [stderr]    |           ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stderr]   --> src/scheduler.rs:27:7
[INFO] [stderr]    |
[INFO] [stderr] 27 | #[cfg(nightly)]
[INFO] [stderr]    |       ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stderr]   --> src/scheduler.rs:31:11
[INFO] [stderr]    |
[INFO] [stderr] 31 | #[cfg(not(nightly))]
[INFO] [stderr]    |           ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stderr]    --> src/scheduler.rs:252:15
[INFO] [stderr]     |
[INFO] [stderr] 252 |         #[cfg(nightly)]
[INFO] [stderr]     |               ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stderr]    --> src/scheduler.rs:254:19
[INFO] [stderr]     |
[INFO] [stderr] 254 |         #[cfg(not(nightly))]
[INFO] [stderr]     |                   ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `bitrig`
[INFO] [stderr]  --> src/io/sys/unix/mod.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     target_os = "bitrig",
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: expected values for `target_os` are: `aix`, `android`, `cuda`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `macos`, `netbsd`, `none`, `nto`, `nuttx`, `openbsd`, `psp`, `psx`, `redox`, `rtems`, `solaris`, `solid_asp3`, `teeos`, `trusty`, `tvos`, `uefi`, `unknown`, `visionos`, and `vita` and 6 more
[INFO] [stderr]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `smallvec::SmallVec`
[INFO] [stderr]   --> src/io/sys/unix/epoll.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use smallvec::SmallVec;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stderr]   --> src/io/event_loop.rs:21:15
[INFO] [stderr]    |
[INFO] [stderr] 21 |         #[cfg(nightly)]
[INFO] [stderr]    |               ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stderr]   --> src/io/event_loop.rs:23:19
[INFO] [stderr]    |
[INFO] [stderr] 23 |         #[cfg(not(nightly))]
[INFO] [stderr]    |                   ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stderr]  --> src/std/queue/mod.rs:1:17
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![cfg_attr(all(nightly, test), feature(test))]
[INFO] [stderr]   |                 ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: consider using a Cargo feature instead
[INFO] [stderr]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]            [lints.rust]
[INFO] [stderr]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stderr]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stderr]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `nacl`
[INFO] [stderr]   --> src/std/time/sys/unix.rs:55:11
[INFO] [stderr]    |
[INFO] [stderr] 55 | #[cfg(any(target_os = "nacl", target_os = "solaris", target_os = "illumos"))]
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected values for `target_os` are: `aix`, `android`, `cuda`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `macos`, `netbsd`, `none`, `nto`, `nuttx`, `openbsd`, `psp`, `psx`, `redox`, `rtems`, `solaris`, `solid_asp3`, `teeos`, `trusty`, `tvos`, `uefi`, `unknown`, `visionos`, and `vita` and 6 more
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `nacl`
[INFO] [stderr]    --> src/std/time/sys/unix.rs:109:9
[INFO] [stderr]     |
[INFO] [stderr] 109 |         target_os = "nacl",
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected values for `target_os` are: `aix`, `android`, `cuda`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `macos`, `netbsd`, `none`, `nto`, `nuttx`, `openbsd`, `psp`, `psx`, `redox`, `rtems`, `solaris`, `solid_asp3`, `teeos`, `trusty`, `tvos`, `uefi`, `unknown`, `visionos`, and `vita` and 6 more
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `alloc`
[INFO] [stderr]    --> src/std/lazy/mod.rs:325:7
[INFO] [stderr]     |
[INFO] [stderr] 325 | #[cfg(feature = "alloc")]
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected values for `feature` are: `js-sys` and `wasm-bindgen`
[INFO] [stderr]     = help: consider adding `alloc` as a feature in `Cargo.toml`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `nix::sys::epoll::epoll_create`: Use Epoll::new() instead
[INFO] [stderr]   --> src/io/sys/unix/epoll.rs:39:20
[INFO] [stderr]    |
[INFO] [stderr] 39 |         let epfd = epoll_create().map_err(from_nix_error)?;
[INFO] [stderr]    |                    ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `nix::sys::epoll::epoll_ctl`: Use Epoll::epoll_ctl() instead
[INFO] [stderr]   --> src/io/sys/unix/epoll.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 |         epoll_ctl(epfd, EpollOp::EpollCtlAdd, evfd, &mut info).map_err(from_nix_error)?;
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `nix::sys::epoll::epoll_wait`: Use Epoll::wait() instead
[INFO] [stderr]    --> src/io/sys/unix/epoll.rs:102:17
[INFO] [stderr]     |
[INFO] [stderr] 102 |         let n = epoll_wait(epfd, events, timeout_ms).map_err(from_nix_error)?;
[INFO] [stderr]     |                 ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `nix::sys::epoll::epoll_ctl`: Use Epoll::epoll_ctl() instead
[INFO] [stderr]    --> src/io/sys/unix/epoll.rs:183:9
[INFO] [stderr]     |
[INFO] [stderr] 183 |         epoll_ctl(epfd, EpollOp::EpollCtlAdd, fd, &mut info)
[INFO] [stderr]     |         ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `nix::sys::epoll::epoll_ctl`: Use Epoll::epoll_ctl() instead
[INFO] [stderr]    --> src/io/sys/unix/epoll.rs:209:9
[INFO] [stderr]     |
[INFO] [stderr] 209 |         epoll_ctl(epfd, EpollOp::EpollCtlDel, fd, &mut info).ok();
[INFO] [stderr]     |         ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ret`
[INFO] [stderr]    --> src/io/sys/unix/epoll.rs:163:13
[INFO] [stderr]     |
[INFO] [stderr] 163 |         let ret = write(unsafe { self.vec.get_unchecked(id) }.evfd, buf);
[INFO] [stderr]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_ret`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `defer`
[INFO] [stderr]   --> src/std/sync/once.rs:56:23
[INFO] [stderr]    |
[INFO] [stderr] 56 |     use crate::{chan, defer};
[INFO] [stderr]    |                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `defer` and `sleep`
[INFO] [stderr]    --> src/std/sync/sync_hash_map.rs:454:17
[INFO] [stderr]     |
[INFO] [stderr] 454 |     use crate::{defer, sleep};
[INFO] [stderr]     |                 ^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]    --> src/std/sync/sync_hash_map.rs:457:9
[INFO] [stderr]     |
[INFO] [stderr] 457 |     use std::collections::HashMap;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::atomic::Ordering`
[INFO] [stderr]    --> src/std/sync/sync_hash_map.rs:459:9
[INFO] [stderr]     |
[INFO] [stderr] 459 |     use std::sync::atomic::Ordering;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::std::lazy::sync::Lazy`
[INFO] [stderr]    --> src/std/sync/sync_hash_map.rs:462:9
[INFO] [stderr]     |
[INFO] [stderr] 462 |     use crate::std::lazy::sync::Lazy;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::BTreeMap`
[INFO] [stderr]    --> src/std/sync/sync_btree_map.rs:446:9
[INFO] [stderr]     |
[INFO] [stderr] 446 |     use std::collections::BTreeMap;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::atomic::Ordering`
[INFO] [stderr]    --> src/std/sync/sync_btree_map.rs:448:9
[INFO] [stderr]     |
[INFO] [stderr] 448 |     use std::sync::atomic::Ordering;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TryStream`
[INFO] [stderr]   --> src/std/io/stream_chan.rs:46:38
[INFO] [stderr]    |
[INFO] [stderr] 46 |     use crate::std::io::{ChanStream, TryStream};
[INFO] [stderr]    |                                      ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::ControlFlow`
[INFO] [stderr]   --> src/std/io/stream_chan.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 |     use std::ops::ControlFlow;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::sleep`
[INFO] [stderr]    --> src/std/vec/mod.rs:406:9
[INFO] [stderr]     |
[INFO] [stderr] 406 |     use crate::sleep;
[INFO] [stderr]     |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Deref`
[INFO] [stderr]    --> src/std/vec/mod.rs:409:9
[INFO] [stderr]     |
[INFO] [stderr] 409 |     use std::ops::Deref;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::atomic::Ordering`
[INFO] [stderr]    --> src/std/vec/mod.rs:410:9
[INFO] [stderr]     |
[INFO] [stderr] 410 |     use std::sync::atomic::Ordering;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate-level attribute should be in the root module
[INFO] [stderr]    --> src/io/sys/unix/co_io.rs:236:5
[INFO] [stderr]     |
[INFO] [stderr] 236 |     #![feature(test)]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate-level attribute should be in the root module
[INFO] [stderr]    --> src/std/queue/mpsc_list.rs:120:5
[INFO] [stderr]     |
[INFO] [stderr] 120 |     #![feature(test)]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate-level attribute should be in the root module
[INFO] [stderr]    --> src/std/queue/mpsc_list_v1.rs:349:5
[INFO] [stderr]     |
[INFO] [stderr] 349 |     #![feature(test)]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate-level attribute should be in the root module
[INFO] [stderr]    --> src/std/sync/condvar.rs:198:5
[INFO] [stderr]     |
[INFO] [stderr] 198 |     #![feature(test)]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate-level attribute should be in the root module
[INFO] [stderr]    --> src/std/sync/mutex.rs:250:5
[INFO] [stderr]     |
[INFO] [stderr] 250 |     #![feature(test)]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate-level attribute should be in the root module
[INFO] [stderr]    --> src/std/sync/rwlock.rs:326:5
[INFO] [stderr]     |
[INFO] [stderr] 326 |     #![feature(test)]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate-level attribute should be in the root module
[INFO] [stderr]    --> src/std/sync/semphore.rs:174:5
[INFO] [stderr]     |
[INFO] [stderr] 174 |     #![feature(test)]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate-level attribute should be in the root module
[INFO] [stderr]    --> src/std/sync/sync_flag.rs:155:5
[INFO] [stderr]     |
[INFO] [stderr] 155 |     #![feature(test)]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> src/std/blocking/mod.rs:74:13
[INFO] [stderr]    |
[INFO] [stderr] 73 |             panic!("e");
[INFO] [stderr]    |             ----------- any code following this expression is unreachable
[INFO] [stderr] 74 |             return 1;
[INFO] [stderr]    |             ^^^^^^^^^ unreachable statement
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/std/sync/condvar.rs:346:13
[INFO] [stderr]     |
[INFO] [stderr] 346 |             unsafe { vec[i].coroutine().cancel() };
[INFO] [stderr]     |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/std/sync/mutex.rs:523:9
[INFO] [stderr]     |
[INFO] [stderr] 523 |         unsafe { h1.coroutine().cancel() };
[INFO] [stderr]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/std/sync/mutex.rs:564:9
[INFO] [stderr]     |
[INFO] [stderr] 564 |         unsafe { h1.coroutine().cancel() };
[INFO] [stderr]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/std/sync/once.rs:97:13
[INFO] [stderr]    |
[INFO] [stderr] 97 |         for i in 0..n {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/std/sync/once.rs:107:13
[INFO] [stderr]     |
[INFO] [stderr] 107 |         for i in 0..n {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/std/sync/rwlock.rs:634:9
[INFO] [stderr]     |
[INFO] [stderr] 634 |         unsafe { vec[cancel_id - 1].coroutine().cancel() };
[INFO] [stderr]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/std/sync/rwlock.rs:684:9
[INFO] [stderr]     |
[INFO] [stderr] 684 |         unsafe { h.coroutine().cancel() };
[INFO] [stderr]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/std/sync/semphore.rs:260:9
[INFO] [stderr]     |
[INFO] [stderr] 260 |         unsafe { h1.coroutine().cancel() };
[INFO] [stderr]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/std/sync/sync_flag.rs:199:9
[INFO] [stderr]     |
[INFO] [stderr] 199 |         unsafe { h1.coroutine().cancel() };
[INFO] [stderr]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `insert`
[INFO] [stderr]    --> src/std/sync/sync_hash_map.rs:508:21
[INFO] [stderr]     |
[INFO] [stderr] 508 |                 let insert = m1.insert(1, 2);
[INFO] [stderr]     |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `insert`
[INFO] [stderr]    --> src/std/sync/sync_hash_map.rs:513:21
[INFO] [stderr]     |
[INFO] [stderr] 513 |                 let insert = m2.insert(1, 2);
[INFO] [stderr]     |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `insert`
[INFO] [stderr]    --> src/std/sync/sync_hash_map.rs:535:25
[INFO] [stderr]     |
[INFO] [stderr] 535 |                     let insert = m1.insert(i, i);
[INFO] [stderr]     |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `insert`
[INFO] [stderr]    --> src/std/sync/sync_hash_map.rs:542:25
[INFO] [stderr]     |
[INFO] [stderr] 542 |                     let insert = m2.insert(i, i);
[INFO] [stderr]     |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `insert`
[INFO] [stderr]    --> src/std/sync/sync_hash_map.rs:556:13
[INFO] [stderr]     |
[INFO] [stderr] 556 |         let insert = m.insert(1, 2);
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `insert`
[INFO] [stderr]    --> src/std/sync/sync_hash_map.rs:576:13
[INFO] [stderr]     |
[INFO] [stderr] 576 |         let insert = m.insert(1, a);
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `insert`
[INFO] [stderr]    --> src/std/sync/sync_hash_map.rs:613:13
[INFO] [stderr]     |
[INFO] [stderr] 613 |         let insert = m.insert(1, 2);
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `insert`
[INFO] [stderr]    --> src/std/sync/sync_hash_map.rs:623:13
[INFO] [stderr]     |
[INFO] [stderr] 623 |         let insert = m.insert(1, 2);
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `insert`
[INFO] [stderr]    --> src/std/sync/sync_hash_map.rs:641:21
[INFO] [stderr]     |
[INFO] [stderr] 641 |                 let insert = m.insert(i, i);
[INFO] [stderr]     |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `insert`
[INFO] [stderr]    --> src/std/sync/sync_hash_map.rs:670:21
[INFO] [stderr]     |
[INFO] [stderr] 670 |                 let insert = m.insert(i, i);
[INFO] [stderr]     |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `g`
[INFO] [stderr]    --> src/std/sync/sync_hash_map.rs:679:21
[INFO] [stderr]     |
[INFO] [stderr] 679 |                 let g = m2.remove(&i);
[INFO] [stderr]     |                     ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `insert`
[INFO] [stderr]    --> src/std/sync/sync_btree_map.rs:487:21
[INFO] [stderr]     |
[INFO] [stderr] 487 |                 let insert = m1.insert(1, 2);
[INFO] [stderr]     |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `insert`
[INFO] [stderr]    --> src/std/sync/sync_btree_map.rs:492:21
[INFO] [stderr]     |
[INFO] [stderr] 492 |                 let insert = m2.insert(1, 2);
[INFO] [stderr]     |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `insert`
[INFO] [stderr]    --> src/std/sync/sync_btree_map.rs:502:13
[INFO] [stderr]     |
[INFO] [stderr] 502 |         let insert = m.insert(1, 2);
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `insert`
[INFO] [stderr]    --> src/std/sync/sync_btree_map.rs:510:13
[INFO] [stderr]     |
[INFO] [stderr] 510 |         let insert = m.insert(1, 2);
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `insert`
[INFO] [stderr]    --> src/std/sync/sync_btree_map.rs:520:13
[INFO] [stderr]     |
[INFO] [stderr] 520 |         let insert = m.insert(1, 2);
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/std/io/stream_chan.rs:55:13
[INFO] [stderr]    |
[INFO] [stderr] 55 |         let mut c = ChanStream { recv: r, send: s };
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/std/io/stream_chan.rs:66:13
[INFO] [stderr]    |
[INFO] [stderr] 66 |         let mut c = ChanStream { recv: r, send: s };
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/std/time/tick.rs:122:13
[INFO] [stderr]     |
[INFO] [stderr] 122 |         let mut t = Arc::new(Ticker::new(Duration::from_secs(1)));
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/std/time/time.rs:566:13
[INFO] [stderr]     |
[INFO] [stderr] 566 |         let mut now = Time::now();
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `insert`
[INFO] [stderr]    --> src/std/vec/mod.rs:458:21
[INFO] [stderr]     |
[INFO] [stderr] 458 |                 let insert = m1.push(2);
[INFO] [stderr]     |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `insert`
[INFO] [stderr]    --> src/std/vec/mod.rs:463:21
[INFO] [stderr]     |
[INFO] [stderr] 463 |                 let insert = m2.push(2);
[INFO] [stderr]     |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `insert`
[INFO] [stderr]    --> src/std/vec/mod.rs:482:25
[INFO] [stderr]     |
[INFO] [stderr] 482 |                     let insert = m1.push(i);
[INFO] [stderr]     |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `insert`
[INFO] [stderr]    --> src/std/vec/mod.rs:489:25
[INFO] [stderr]     |
[INFO] [stderr] 489 |                     let insert = m2.push(i);
[INFO] [stderr]     |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `insert`
[INFO] [stderr]    --> src/std/vec/mod.rs:500:13
[INFO] [stderr]     |
[INFO] [stderr] 500 |         let insert = m.push(2);
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `insert`
[INFO] [stderr]    --> src/std/vec/mod.rs:520:13
[INFO] [stderr]     |
[INFO] [stderr] 520 |         let insert = m.push(a);
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/std/vec/mod.rs:534:13
[INFO] [stderr]     |
[INFO] [stderr] 534 |         for i in 0..1000000 {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/std/vec/mod.rs:543:13
[INFO] [stderr]     |
[INFO] [stderr] 543 |         for i in 0..1000000 {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `insert`
[INFO] [stderr]    --> src/std/vec/mod.rs:557:13
[INFO] [stderr]     |
[INFO] [stderr] 557 |         let insert = m.push(2);
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `insert`
[INFO] [stderr]    --> src/std/vec/mod.rs:566:13
[INFO] [stderr]     |
[INFO] [stderr] 566 |         let insert = m.push(2);
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/std/queue/array_queue.rs:481:9
[INFO] [stderr]     |
[INFO] [stderr] 481 |         q.push(1);
[INFO] [stderr]     |         ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 481 |         let _ = q.push(1);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/std/queue/array_queue.rs:482:9
[INFO] [stderr]     |
[INFO] [stderr] 482 |         q.push(2);
[INFO] [stderr]     |         ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 482 |         let _ = q.push(2);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/std/queue/array_queue.rs:483:9
[INFO] [stderr]     |
[INFO] [stderr] 483 |         q.push(3);
[INFO] [stderr]     |         ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 483 |         let _ = q.push(3);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/std/sync/condvar.rs:211:9
[INFO] [stderr]     |
[INFO] [stderr] 211 |         c.notify_one();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 211 |         let _ = c.notify_one();
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/std/sync/condvar.rs:212:9
[INFO] [stderr]     |
[INFO] [stderr] 212 |         c.notify_all();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 212 |         let _ = c.notify_all();
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/std/sync/condvar.rs:225:13
[INFO] [stderr]     |
[INFO] [stderr] 225 |             c2.notify_one();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 225 |             let _ = c2.notify_one();
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/std/sync/condvar.rs:260:9
[INFO] [stderr]     |
[INFO] [stderr] 260 |         cond.notify_all();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 260 |         let _ = cond.notify_all();
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/std/sync/condvar.rs:280:13
[INFO] [stderr]     |
[INFO] [stderr] 280 |             c2.notify_one();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 280 |             let _ = c2.notify_one();
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/std/sync/condvar.rs:300:13
[INFO] [stderr]     |
[INFO] [stderr] 300 |             c2.notify_one();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 300 |             let _ = c2.notify_one();
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/std/sync/condvar.rs:357:9
[INFO] [stderr]     |
[INFO] [stderr] 357 |         cond.notify_all();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 357 |         let _ = cond.notify_all();
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/std/sync/mutex.rs:393:13
[INFO] [stderr]     |
[INFO] [stderr] 393 |             cvar.notify_one();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 393 |             let _ = cvar.notify_one();
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/std/sync/mutex.rs:415:13
[INFO] [stderr]     |
[INFO] [stderr] 415 |             cvar.notify_one();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 415 |             let _ = cvar.notify_one();
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/std/sync/once.rs:83:20
[INFO] [stderr]    |
[INFO] [stderr] 83 |             panic!(format!("once failed inside run: {} is not 1", o.value()));
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stderr]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]    |
[INFO] [stderr] 83 -             panic!(format!("once failed inside run: {} is not 1", o.value()));
[INFO] [stderr] 83 +             panic!("once failed inside run: {} is not 1", o.value());
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/std/sync/once.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 85 |         s.send(true);
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 85 |         let _ = s.send(true);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/std/sync/once.rs:108:13
[INFO] [stderr]     |
[INFO] [stderr] 108 |             r.recv();
[INFO] [stderr]     |             ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 108 |             let _ = r.recv();
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/std/sync/once.rs:111:20
[INFO] [stderr]     |
[INFO] [stderr] 111 |             panic!(format!("once failed outside run: {} is not 1", one.value()));
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 111 -             panic!(format!("once failed outside run: {} is not 1", one.value()));
[INFO] [stderr] 111 +             panic!("once failed outside run: {} is not 1", one.value());
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/std/sync/once.rs:118:9
[INFO] [stderr]     |
[INFO] [stderr] 118 | /         catch_unwind(|| {
[INFO] [stderr] 119 | |             once.r#do(|| {
[INFO] [stderr] 120 | |                 panic!("failed");
[INFO] [stderr] 121 | |             });
[INFO] [stderr] 122 | |         });
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 118 |         let _ = catch_unwind(|| {
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/std/sync/rwlock.rs:641:13
[INFO] [stderr]     |
[INFO] [stderr] 641 |             cond.notify_all();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 641 |             let _ = cond.notify_all();
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: call to `.deref()` on a reference in this situation does nothing
[INFO] [stderr]    --> src/std/sync/sync_hash_map.rs:643:33
[INFO] [stderr]     |
[INFO] [stderr] 643 |                 assert_eq!(i, *g.deref());
[INFO] [stderr]     |                                 ^^^^^^^^ help: remove this redundant call
[INFO] [stderr]     |
[INFO] [stderr]     = note: the type `i32` does not implement `Deref`, so calling `deref` on `&i32` copies the reference, which does not do anything and can be removed
[INFO] [stderr]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: call to `.deref()` on a reference in this situation does nothing
[INFO] [stderr]    --> src/std/sync/sync_hash_map.rs:672:33
[INFO] [stderr]     |
[INFO] [stderr] 672 |                 assert_eq!(i, *g.deref());
[INFO] [stderr]     |                                 ^^^^^^^^ help: remove this redundant call
[INFO] [stderr]     |
[INFO] [stderr]     = note: the type `i32` does not implement `Deref`, so calling `deref` on `&i32` copies the reference, which does not do anything and can be removed
[INFO] [stderr] 
[INFO] [stderr] warning: call to `.deref()` on a reference in this situation does nothing
[INFO] [stderr]    --> src/std/sync/sync_btree_map.rs:504:25
[INFO] [stderr]     |
[INFO] [stderr] 504 |         assert_eq!(2, *g.deref());
[INFO] [stderr]     |                         ^^^^^^^^ help: remove this redundant call
[INFO] [stderr]     |
[INFO] [stderr]     = note: the type `i32` does not implement `Deref`, so calling `deref` on `&i32` copies the reference, which does not do anything and can be removed
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/std/sync/channel.rs:456:13
[INFO] [stderr]     |
[INFO] [stderr] 456 |             tx.send(1);
[INFO] [stderr]     |             ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 456 |             let _ = tx.send(1);
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/std/sync/channel.rs:459:13
[INFO] [stderr]     |
[INFO] [stderr] 459 |             tx.send(2);
[INFO] [stderr]     |             ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 459 |             let _ = tx.send(2);
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/std/io/stream_chan.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |         s.send(Some(Ok(1)));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 53 |         let _ = s.send(Some(Ok(1)));
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/std/io/stream_chan.rs:54:9
[INFO] [stderr]    |
[INFO] [stderr] 54 |         s.send(None);
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 54 |         let _ = s.send(None);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/std/io/stream_chan.rs:64:9
[INFO] [stderr]    |
[INFO] [stderr] 64 |         s.send(Some(Ok(1)));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 64 |         let _ = s.send(Some(Ok(1)));
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/std/io/stream_chan.rs:65:9
[INFO] [stderr]    |
[INFO] [stderr] 65 |         s.send(None);
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 65 |         let _ = s.send(None);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/std/time/tick.rs:130:9
[INFO] [stderr]     |
[INFO] [stderr] 130 |         t.stop();
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 130 |         let _ = t.stop();
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `mco` (lib) generated 23 warnings (run `cargo fix --lib -p mco` to apply 1 suggestion)
[INFO] [stderr] warning: `mco` (lib test) generated 111 warnings (23 duplicates) (run `cargo fix --lib -p mco --tests` to apply 21 suggestions)
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> tests/lib.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     unsafe { j.coroutine().cancel() };
[INFO] [stderr]    |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> tests/lib.rs:70:5
[INFO] [stderr]    |
[INFO] [stderr] 70 |     unsafe { j.coroutine().cancel() };
[INFO] [stderr]    |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> tests/channel.rs:16:13
[INFO] [stderr]    |
[INFO] [stderr] 16 |             s1.send(1);
[INFO] [stderr]    |             ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 16 |             let _ = s1.send(1);
[INFO] [stderr]    |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> tests/channel.rs:30:13
[INFO] [stderr]    |
[INFO] [stderr] 30 |             s1.send(1);
[INFO] [stderr]    |             ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 30 |             let _ = s1.send(1);
[INFO] [stderr]    |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `mco` (test "lib") generated 2 warnings
[INFO] [stderr] warning: `mco` (test "channel") generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mco-33e04bddaad44842)
[INFO] [stdout] 
[INFO] [stdout] running 169 tests
[INFO] [stdout] test os::unix::net::test::abstract_namespace_not_allowed ... ok
[INFO] [stdout] test os::unix::net::test::long_path ... ok
[INFO] [stdout] test std::io::stream_chan::test::test_map ... ok
[INFO] [stdout] test std::io::stream_chan::test::test_foreach ... ok
[INFO] [stdout] test std::blocking::test::test_spawn_blocking ... ok
[INFO] [stdout] test std::blocking::test::test_spawn_panic ... ok
[INFO] [stdout] test std::lazy::imp::tests::poison_bad ... ok
[INFO] [stdout] test std::lazy::imp::tests::test_size ... ok
[INFO] [stdout] test std::lazy::imp::tests::smoke_once ... ok
[INFO] [stdout] test std::queue::array_queue::test::test_insert ... ok
[INFO] [stdout] test std::queue::mpsc_list::tests::test_queue ... ok
[INFO] [stdout] test std::queue::mpsc_list::tests::test ... ok
[INFO] [stdout] test std::queue::mpsc_list_v1::tests::test_queue ... ok
[INFO] [stdout] test std::queue::mpsc_list_v1::tests::test ... ok
[INFO] [stdout] test std::lazy::imp::tests::stampede_once ... ok
[INFO] [stdout] test std::sync::channel::tests::chan_gone_concurrent ... ok
[INFO] [stdout] test std::lazy::imp::tests::wait_for_force_to_finish ... ok
[INFO] [stdout] test os::unix::net::test::test_unix_datagram ... ok
[INFO] [stdout] test os::unix::net::test::datagram_pair ... ok
[INFO] [stdout] test os::unix::net::test::pair ... ok
[INFO] [stdout] test os::unix::net::test::test_connect_unix_datagram ... ok
[INFO] [stdout] test os::unix::net::test::test_unix_datagram_recv ... ok
[INFO] [stdout] test os::unix::net::test::try_clone ... ok
[INFO] [stdout] test os::unix::net::test::test_unnamed_unix_datagram ... ok
[INFO] [stdout] test os::unix::net::test::basic ... ok
[INFO] [stdout] test os::unix::net::test::iter ... ok
[INFO] [stdout] test std::sync::channel::tests::drop_full ... ok
[INFO] [stdout] test std::sync::channel::tests::drop_full_shared ... ok
[INFO] [stdout] test os::unix::net::test::timeouts ... ok
[INFO] [stdout] test std::sync::channel::tests::oneshot_multi_thread_send_recv_stress ... ok
[INFO] [stdout] test std::sync::channel::tests::oneshot_single_thread_close_chan_first ... ok
[INFO] [stdout] test std::sync::channel::tests::oneshot_multi_thread_close_stress ... ok
[INFO] [stdout] test std::sync::channel::tests::no_runtime ... ok
[INFO] [stdout] test std::sync::channel::tests::oneshot_multi_task_recv_then_send ... ok
[INFO] [stdout] test std::sync::channel::tests::oneshot_multi_task_recv_then_close ... ok
[INFO] [stdout] test std::sync::channel::tests::oneshot_single_thread_close_port_first ... ok
[INFO] [stdout] test std::sync::channel::tests::oneshot_single_thread_peek_close ... ok
[INFO] [stdout] test std::sync::channel::tests::oneshot_single_thread_peek_data ... ok
[INFO] [stdout] test std::sync::channel::tests::oneshot_single_thread_peek_open ... ok
[INFO] [stdout] test std::sync::channel::tests::oneshot_single_thread_recv_chan_close ... ok
[INFO] [stdout] test std::sync::channel::tests::oneshot_multi_thread_recv_close_stress ... ok
[INFO] [stdout] test std::sync::channel::tests::oneshot_multi_thread_send_close_stress ... ok
[INFO] [stdout] test std::sync::channel::tests::oneshot_single_thread_send_port_close ... ok
[INFO] [stdout] test std::sync::channel::tests::oneshot_single_thread_try_recv_open ... ok
[INFO] [stdout] test std::sync::channel::tests::oneshot_single_thread_try_send_closed ... ok
[INFO] [stdout] test std::sync::channel::tests::oneshot_single_thread_send_then_recv ... ok
[INFO] [stdout] test std::sync::channel::tests::oneshot_single_thread_try_send_open ... ok
[INFO] [stdout] test std::sync::channel::tests::oneshot_single_thread_try_recv_closed ... ok
[INFO] [stdout] test std::sync::channel::tests::port_gone_concurrent ... ok
[INFO] [stdout] test std::sync::channel::tests::port_gone_concurrent1 ... ok
[INFO] [stdout] test std::sync::channel::tests::oneshot_single_thread_recv_timeout ... ok
[INFO] [stdout] test std::sync::channel::tests::recv_from_outside_runtime ... ok
[INFO] [stdout] test std::sync::channel::tests::smoke_chan_gone_shared ... ok
[INFO] [stdout] test std::sync::channel::tests::smoke_chan_gone ... ok
[INFO] [stdout] test std::sync::channel::tests::destroy_upgraded_shared_port_when_sender_still_active ... ok
[INFO] [stdout] test std::sync::channel::tests::send_from_outside_runtime ... ok
[INFO] [stdout] test std::sync::channel::tests::recv_timeout_upgrade ... ok
[INFO] [stdout] test std::sync::channel::tests::stream_send_recv_stress ... ok
[INFO] [stdout] test std::sync::channel::tests::smoke_threads ... ok
[INFO] [stdout] test std::sync::channel::tests::port_gone_concurrent_shared ... ok
[INFO] [stdout] test std::sync::channel::tests::smoke_port_gone ... ok
[INFO] [stdout] test std::sync::channel::tests::smoke ... ok
[INFO] [stdout] test std::sync::channel::tests::smoke_shared ... ok
[INFO] [stdout] test std::sync::channel::tests::smoke_shared_port_gone2 ... ok
[INFO] [stdout] test std::sync::channel::tests::recv_a_lot ... ok
[INFO] [stdout] test std::sync::channel::tests::smoke_coroutine ... ok
[INFO] [stdout] test std::sync::channel::tests::test_recv_into_iter_borrowed ... ok
[INFO] [stdout] test std::sync::channel::tests::shared_recv_timeout ... ok
[INFO] [stdout] test std::sync::channel::tests::stress_mutli_recv ... ok
[INFO] [stdout] test std::sync::channel::tests::test_recv_into_iter_owned ... ok
[INFO] [stdout] test std::sync::channel::tests::test_recv_try_iter ... ok
[INFO] [stdout] test std::sync::channel::tests::test_recv_iter_break ... ok
[INFO] [stdout] test std::sync::channel::tests::test_nested_recv_iter ... ok
[INFO] [stdout] test std::sync::channel::tests::stress ... ok
[INFO] [stdout] test std::sync::condvar::tests::smoke ... ok
[INFO] [stdout] test std::sync::condvar::tests::notify_one ... ok
[INFO] [stdout] test std::sync::channel::tests::try_recv_states ... ok
[INFO] [stdout] test std::sync::mutex::tests::smoke ... ok
[INFO] [stdout] test std::sync::mutex::tests::test_arc_condvar_poison ... ok
[INFO] [stdout] test std::sync::mutex::tests::test_into_inner ... ok
[INFO] [stdout] test std::sync::condvar::tests::two_mutexes - should panic ... ok
[INFO] [stdout] test std::sync::mutex::tests::test_into_inner_poison ... ok
[INFO] [stdout] test std::sync::mutex::tests::test_into_inner_drop ... ok
[INFO] [stdout] test std::sync::mutex::tests::test_get_mut_poison ... ok
[INFO] [stdout] test std::sync::mutex::tests::test_get_mut ... ok
[INFO] [stdout] test std::sync::condvar::tests::wait_timeout ... ok
[INFO] [stdout] test std::sync::mutex::tests::test_mutex_arc_condvar ... ok
[INFO] [stdout] test std::sync::mutex::tests::test_mutex_arc_nested ... ok
[INFO] [stdout] test std::sync::mutex::tests::test_mutex_arc_access_in_unwind ... ok
[INFO] [stdout] test std::sync::condvar::tests::notify_all ... ok
[INFO] [stdout] test std::sync::mutex::tests::test_mutex_arc_poison ... ok
[INFO] [stdout] test std::sync::mutex::tests::test_mutex_unsized ... ok
[INFO] [stdout] test std::sync::mutex::tests::try_lock ... ok
[INFO] [stdout] test std::sync::rwlock::tests::smoke ... ok
[INFO] [stdout] test std::sync::rwlock::tests::test_get_mut ... ok
[INFO] [stdout] test std::sync::once::test::test_once_panic ... ok
[INFO] [stdout] test std::sync::rwlock::tests::test_get_mut_poison ... ok
[INFO] [stdout] test std::sync::channel::tests::shared_chan_stress ... ok
[INFO] [stdout] test std::sync::rwlock::tests::test_into_inner_drop ... ok
[INFO] [stdout] test std::sync::rwlock::tests::test_into_inner ... ok
[INFO] [stdout] test std::sync::rwlock::tests::test_into_inner_poison ... ok
[INFO] [stdout] test std::sync::rwlock::tests::test_rw_arc_access_in_unwind ... ok
[INFO] [stdout] test std::sync::rwlock::tests::test_rw_arc_poison_wr ... ok
[INFO] [stdout] test std::sync::rwlock::tests::test_rw_arc_no_poison_rw ... ok
[INFO] [stdout] test std::sync::rwlock::tests::test_rw_arc ... ok
[INFO] [stdout] test std::sync::rwlock::tests::test_rw_arc_no_poison_rr ... ok
[INFO] [stdout] test std::sync::rwlock::tests::test_rw_arc_poison_ww ... ok
[INFO] [stdout] test std::sync::rwlock::tests::test_rwlock_try_write ... ok
[INFO] [stdout] test std::sync::rwlock::tests::test_rwlock_unsized ... ok
[INFO] [stdout] test std::sync::semphore::tests::sanity_1 ... ok
[INFO] [stdout] test std::sync::once::test::test_once ... ok
[INFO] [stdout] test std::sync::mutex::tests::lots_and_lots ... ok
[INFO] [stdout] test std::sync::condvar::tests::test_condvar_canceled ... ok
[INFO] [stdout] test std::sync::semphore::tests::sanity_2 ... ok
[INFO] [stdout] test std::sync::rwlock::tests::test_rwlock_read_canceled ... ok
[INFO] [stdout] test std::sync::sync_btree_map::test::test_empty ... ok
[INFO] [stdout] test std::sync::sync_btree_map::test::test_get ... ok
[INFO] [stdout] test std::sync::sync_btree_map::test::test_insert ... ok
[INFO] [stdout] test std::sync::sync_btree_map::test::test_insert2 ... ok
[INFO] [stdout] test std::sync::rwlock::tests::test_rwlock_write_canceled ... ok
[INFO] [stdout] test std::sync::sync_btree_map::test::test_iter ... ok
[INFO] [stdout] test std::sync::sync_btree_map::test::test_iter_mut ... ok
[INFO] [stdout] test std::sync::sync_flag::tests::sanity_test ... ok
[INFO] [stdout] test std::sync::channel::tests::stress_shared ... ok
[INFO] [stdout] test std::sync::sync_hash_map::test::test_debug ... ok
[INFO] [stdout] test std::sync::sync_hash_map::test::test_empty ... ok
[INFO] [stdout] test std::sync::sync_hash_map::test::test_get ... ok
[INFO] [stdout] test std::sync::sync_hash_map::test::test_insert ... ok
[INFO] [stdout] test std::sync::sync_hash_map::test::test_insert2 ... ok
[INFO] [stdout] test std::sync::semphore::tests::test_semphore_thread_timeout ... ok
[INFO] [stdout] test std::sync::semphore::tests::test_semphore_co_timeout ... ok
[INFO] [stdout] test std::sync::sync_hash_map::test::test_iter ... ok
[INFO] [stdout] test std::sync::sync_hash_map::test::test_iter_mut ... ok
[INFO] [stdout] test std::sync::sync_hash_map::test::test_remove ... ok
[INFO] [stdout] test std::sync::sync_flag::tests::test_syncflag_thread_timeout ... ok
[INFO] [stdout] test std::sync::sync_flag::tests::test_syncflag_co_timeout ... ok
[INFO] [stdout] test std::sync::channel::tests::stress_recv_timeout_two_threads ... ok
[INFO] [stdout] test std::sync::mutex::tests::test_mutex_canceled_by_other_wait ... ok
[INFO] [stdout] test std::sync::sync_hash_map::test::test_insert4 ... ok
[INFO] [stdout] test std::time::time::test::test_mon ... ok
[INFO] [stdout] test std::time::time::test::test_parse ... ok
[INFO] [stdout] test std::sync::mutex::tests::test_mutex_canceled ... ok
[INFO] [stdout] test std::vec::test::test_debug ... ok
[INFO] [stdout] test std::vec::test::test_empty ... ok
[INFO] [stdout] test std::vec::test::test_get ... ok
[INFO] [stdout] test std::sync::semphore::tests::test_semphore_canceled ... ok
[INFO] [stdout] test std::sync::sync_flag::tests::test_syncflag_canceled ... ok
[INFO] [stdout] test std::vec::test::test_iter ... ok
[INFO] [stdout] test std::vec::test::test_iter_mut ... ok
[INFO] [stdout] test std::vec::test::test_push ... ok
[INFO] [stdout] test std::vec::test::test_push2 ... ok
[INFO] [stdout] test std::vec::test::test_remove ... ok
[INFO] [stdout] test std::vec::test::test_insert4 ... ok
[INFO] [stdout] test os::unix::net::test::test_read_with_timeout ... ok
[INFO] [stdout] test os::unix::net::test::test_read_timeout ... ok
[INFO] [stdout] test std::sync::channel::tests::stress_recv_timeout_shared ... ok
[INFO] [stdout] test std::time::time::test::test_eq ... ok
[INFO] [stdout] test std::sync::channel::tests::wait_test ... ok
[INFO] [stdout] test timeout_list::tests::test_timeout_list ... ok
[INFO] [stdout] test std::time::time::test::test_smoke ... ok
[INFO] [stdout] test std::sync::sync_hash_map::test::test_smoke2 ... ok
[INFO] [stdout] test std::sync::sync_hash_map::test::test_smoke3 ... ok
[INFO] [stdout] test std::time::tick::test::test_tick ... ok
[INFO] [stdout] test std::sync::sync_btree_map::test::test_insert3 ... ok
[INFO] [stdout] test std::sync::sync_hash_map::test::test_insert3 ... ok
[INFO] [stdout] test std::vec::test::test_insert3 ... ok
[INFO] [stdout] test std::sync::rwlock::tests::frob ... ok
[INFO] [stdout] test std::vec::test::test_remove2 ... ok
[INFO] [stdout] test std::sync::sync_hash_map::test::test_remove2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 169 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 24.74s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/channel.rs (/opt/rustwide/target/debug/deps/channel-afe2eb159bdd16f0)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test channel_recv ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/cqueue.rs (/opt/rustwide/target/debug/deps/cqueue-f62815816776c6ea)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test cqueue_panic_in_select - should panic ... ok
[INFO] [stdout] test cqueue_loop ... FAILED
[INFO] [stdout] test cqueue_poll ... ok
[INFO] [stdout] test cqueue_drop ... ok
[INFO] [stdout] test cqueue_panic - should panic ... ok
[INFO] [stdout] test cqueue_timeout ... ok
[INFO] [stdout] test cqueue_oneshot ... ok
[INFO] [stdout] test cqueue_in_coroutine ... ok
[INFO] [stdout] test cqueue_select ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- cqueue_loop stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' panicked at tests/cqueue.rs:84:13:
[INFO] [stdout] painc in selector
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x635d346ec52a - std::backtrace_rs::backtrace::libunwind::trace::h88deb10bd0145eb8
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x635d346ec52a - std::backtrace_rs::backtrace::trace_unsynchronized::he1036f5481c14dff
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x635d346ec52a - std::sys::backtrace::_print_fmt::hecc345b6e70c4b20
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x635d346ec52a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::he089f96442833f67
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x635d34712093 - core::fmt::rt::Argument::fmt::h1f77cded99c71a14
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x635d34712093 - core::fmt::write::h2f210ed4c94745cb
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/core/src/fmt/mod.rs:1440:21
[INFO] [stdout]    6:     0x635d346e9493 - std::io::Write::write_fmt::he723b56f7e0bd522
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/io/mod.rs:1887:15
[INFO] [stdout]    7:     0x635d346ec372 - std::sys::backtrace::BacktraceLock::print::h810fbd31421329e6
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x635d346eda60 - std::panicking::default_hook::{{closure}}::hbaad47ed9dc6356d
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panicking.rs:295:22
[INFO] [stdout]    9:     0x635d346ed7fd - std::panicking::default_hook::h24e207139139d40a
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panicking.rs:319:9
[INFO] [stdout]   10:     0x635d34638653 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h63353c459bb27956
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   11:     0x635d34638653 - test::test_main::{{closure}}::hd5af4d6c4e32fe08
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/test/src/lib.rs:134:21
[INFO] [stdout]   12:     0x635d346be413 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h048541c7ce7b1888
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   13:     0x635d3465fc23 - mco::scheduler::filter_cancel_panic::{{closure}}::hb0a0e668d5503820
[INFO] [stdout]                                at /opt/rustwide/workdir/src/scheduler.rs:52:9
[INFO] [stdout]   14:     0x635d346be413 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h048541c7ce7b1888
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   15:     0x635d346be795 - generator::gen_impl::catch_unwind_filter::{{closure}}::{{closure}}::hc0f067b4200cce41
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/generator-0.7.5/src/gen_impl.rs:539:13
[INFO] [stdout]   16:     0x635d346ee293 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h3af32c23caf5c679
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   17:     0x635d346ee293 - std::panicking::rust_panic_with_hook::ha9131beeb2ddc506
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panicking.rs:836:13
[INFO] [stdout]   18:     0x635d346ee09c - std::panicking::begin_panic::{{closure}}::ha9082e1930280418
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panicking.rs:765:9
[INFO] [stdout]   19:     0x635d346eca39 - std::sys::backtrace::__rust_end_short_backtrace::h6f7030f97d3faa89
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   20:     0x635d345cd090 - std::panicking::begin_panic::h2d0d20b8df2bfe77
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panicking.rs:764:5
[INFO] [stdout]   21:     0x635d345f49e5 - cqueue::cqueue_panic_in_select::{{closure}}::{{closure}}::h444c194a1eacff34
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cqueue.rs:84:13
[INFO] [stdout]   22:     0x635d345d7119 - mco::cqueue::Cqueue::add_impl::{{closure}}::h40524d99f9981c62
[INFO] [stdout]                                at /opt/rustwide/workdir/src/cqueue.rs:180:47
[INFO] [stdout]   23:     0x635d345f816e - core::ops::function::FnOnce::call_once{{vtable.shim}}::h57a1fd56b900ee1c
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x635d345fb798 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hc27a07576c940bbd
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/alloc/src/boxed.rs:1993:9
[INFO] [stdout]   25:     0x635d345f7af3 - mco::scoped::spawn_unsafe::{{closure}}::h5f4fb167408596f0
[INFO] [stdout]                                at /opt/rustwide/workdir/src/scoped.rs:22:19
[INFO] [stdout]   26:     0x635d345e345d - mco::coroutine_impl::Builder::spawn_impl::{{closure}}::h7ff283d75b91023d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/coroutine_impl.rs:287:36
[INFO] [stdout]   27:     0x635d345f2c05 - generator::gen_impl::GeneratorImpl<A,T>::init_code::{{closure}}::h0284d1a2a593fc22
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/generator-0.7.5/src/gen_impl.rs:336:21
[INFO] [stdout]   28:     0x635d345e912f - generator::stack::StackBox<F>::call_once::h564c1b21fa217a2d
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/generator-0.7.5/src/stack/mod.rs:139:13
[INFO] [stdout]   29:     0x635d346bf22d - generator::stack::Func::call_once::h75bf1b6fa5c539a2
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/generator-0.7.5/src/stack/mod.rs:121:9
[INFO] [stdout]   30:     0x635d346be8ec - generator::gen_impl::gen_init::{{closure}}::h3883bb2823a117bd
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/generator-0.7.5/src/gen_impl.rs:552:9
[INFO] [stdout]   31:     0x635d346bc803 - core::ops::function::FnOnce::call_once::h75cca429296b7ac6
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   32:     0x635d346bc23f - std::panicking::try::do_call::hafca1e1b3149f03f
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panicking.rs:584:40
[INFO] [stdout]   33:     0x635d346bfefb - __rust_try
[INFO] [stdout]   34:     0x635d346bc090 - std::panicking::try::h412467e26a75aa7c
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panicking.rs:547:19
[INFO] [stdout]   35:     0x635d346bc090 - std::panic::catch_unwind::h8264888cbd5f4321
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panic.rs:358:14
[INFO] [stdout]   36:     0x635d346be65d - generator::gen_impl::catch_unwind_filter::hf01305905b0b68be
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/generator-0.7.5/src/gen_impl.rs:543:5
[INFO] [stdout]   37:     0x635d346be7d2 - generator::gen_impl::gen_init::h0479c141c517553a
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/generator-0.7.5/src/gen_impl.rs:570:25
[INFO] [stdout]   38:                0x0 - <unknown>
[INFO] [stdout] rx1 received
[INFO] [stdout] result=10
[INFO] [stdout] poll loop finished
[INFO] [stdout] 
[INFO] [stdout] thread 'cqueue_loop' panicked at tests/cqueue.rs:230:5:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 20
[INFO] [stdout]  right: 50
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x635d346ec52a - std::backtrace_rs::backtrace::libunwind::trace::h88deb10bd0145eb8
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x635d346ec52a - std::backtrace_rs::backtrace::trace_unsynchronized::he1036f5481c14dff
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x635d346ec52a - std::sys::backtrace::_print_fmt::hecc345b6e70c4b20
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x635d346ec52a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::he089f96442833f67
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x635d34712093 - core::fmt::rt::Argument::fmt::h1f77cded99c71a14
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x635d34712093 - core::fmt::write::h2f210ed4c94745cb
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/core/src/fmt/mod.rs:1440:21
[INFO] [stdout]    6:     0x635d346e9493 - std::io::Write::write_fmt::he723b56f7e0bd522
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/io/mod.rs:1887:15
[INFO] [stdout]    7:     0x635d346ec372 - std::sys::backtrace::BacktraceLock::print::h810fbd31421329e6
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x635d346eda60 - std::panicking::default_hook::{{closure}}::hbaad47ed9dc6356d
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panicking.rs:295:22
[INFO] [stdout]    9:     0x635d346ed7fd - std::panicking::default_hook::h24e207139139d40a
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panicking.rs:319:9
[INFO] [stdout]   10:     0x635d34638653 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h63353c459bb27956
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   11:     0x635d34638653 - test::test_main::{{closure}}::hd5af4d6c4e32fe08
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/test/src/lib.rs:134:21
[INFO] [stdout]   12:     0x635d346be413 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h048541c7ce7b1888
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   13:     0x635d3465fc23 - mco::scheduler::filter_cancel_panic::{{closure}}::hb0a0e668d5503820
[INFO] [stdout]                                at /opt/rustwide/workdir/src/scheduler.rs:52:9
[INFO] [stdout]   14:     0x635d346be413 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h048541c7ce7b1888
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   15:     0x635d346be795 - generator::gen_impl::catch_unwind_filter::{{closure}}::{{closure}}::hc0f067b4200cce41
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/generator-0.7.5/src/gen_impl.rs:539:13
[INFO] [stdout]   16:     0x635d346ee293 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h3af32c23caf5c679
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   17:     0x635d346ee293 - std::panicking::rust_panic_with_hook::ha9131beeb2ddc506
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panicking.rs:836:13
[INFO] [stdout]   18:     0x635d346edf6a - std::panicking::begin_panic_handler::{{closure}}::h1bba0eaeb6da506f
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panicking.rs:701:13
[INFO] [stdout]   19:     0x635d346eca29 - std::sys::backtrace::__rust_end_short_backtrace::h1d1ca3eade483f4c
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   20:     0x635d346edbfd - rust_begin_unwind
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panicking.rs:692:5
[INFO] [stdout]   21:     0x635d345cdc50 - core::panicking::panic_fmt::h896a0727a1a943f9
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/core/src/panicking.rs:75:14
[INFO] [stdout]   22:     0x635d345ce042 - core::panicking::assert_failed_inner::ha51bf8fa7906dee4
[INFO] [stdout]   23:     0x635d345cc4d2 - core::panicking::assert_failed::h61f85fb0f9cdc36d
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/core/src/panicking.rs:364:5
[INFO] [stdout]   24:     0x635d345f64e3 - cqueue::cqueue_loop::h1b3d9cbcaa9526a1
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cqueue.rs:230:5
[INFO] [stdout]   25:     0x635d345f6357 - cqueue::cqueue_loop::{{closure}}::h0ab71f090a07f8b7
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cqueue.rs:181:17
[INFO] [stdout]   26:     0x635d345f82d6 - core::ops::function::FnOnce::call_once::h14d5c0207e448670
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x635d3463ddfb - core::ops::function::FnOnce::call_once::h8acc80b5a33ff319
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x635d3463ddfb - test::__rust_begin_short_backtrace::h52b6da716ad42b7d
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/test/src/lib.rs:632:18
[INFO] [stdout]   29:     0x635d3463cd33 - test::run_test_in_process::{{closure}}::h2580047890abbefe
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/test/src/lib.rs:655:60
[INFO] [stdout]   30:     0x635d3463cd33 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h936f8c89d0a99c40
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   31:     0x635d3463cd33 - std::panicking::try::do_call::h868682cc368697f9
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panicking.rs:584:40
[INFO] [stdout]   32:     0x635d3463cd33 - std::panicking::try::h0356ffc38cbb5501
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panicking.rs:547:19
[INFO] [stdout]   33:     0x635d3463cd33 - std::panic::catch_unwind::h74edf102a3082536
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panic.rs:358:14
[INFO] [stdout]   34:     0x635d3463cd33 - test::run_test_in_process::hc27d69576b7224e4
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/test/src/lib.rs:655:27
[INFO] [stdout]   35:     0x635d3463cd33 - test::run_test::{{closure}}::h9f3bfaf910429adb
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/test/src/lib.rs:576:43
[INFO] [stdout]   36:     0x635d34600a65 - test::run_test::{{closure}}::h3d537cdce8ec5816
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/test/src/lib.rs:606:41
[INFO] [stdout]   37:     0x635d34600a65 - std::sys::backtrace::__rust_begin_short_backtrace::hb51d9a6c67ec382d
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   38:     0x635d346044a6 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h5738f3abb9603fe6
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/thread/mod.rs:564:17
[INFO] [stdout]   39:     0x635d346044a6 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h5e9f4b56e45e8108
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   40:     0x635d346044a6 - std::panicking::try::do_call::ha36db853b2f34e23
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panicking.rs:584:40
[INFO] [stdout]   41:     0x635d346044a6 - std::panicking::try::h57e1aa33a0efb1be
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panicking.rs:547:19
[INFO] [stdout]   42:     0x635d346044a6 - std::panic::catch_unwind::hdb71a6103024936e
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panic.rs:358:14
[INFO] [stdout]   43:     0x635d346044a6 - std::thread::Builder::spawn_unchecked_::{{closure}}::h8caa22218f423ab1
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/thread/mod.rs:562:30
[INFO] [stdout]   44:     0x635d346044a6 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb3b44780e9c053e5
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   45:     0x635d346f220b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h2649f14f1b1c150d
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/alloc/src/boxed.rs:1993:9
[INFO] [stdout]   46:     0x635d346f220b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hb2ade58cb34e1bc4
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/alloc/src/boxed.rs:1993:9
[INFO] [stdout]   47:     0x635d346f220b - std::sys::pal::unix::thread::Thread::new::thread_start::ha07e360225fa3528
[INFO] [stdout]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/sys/pal/unix/thread.rs:106:17
[INFO] [stdout]   48:     0x7f3dafb5cac3 - <unknown>
[INFO] [stdout]   49:     0x7f3dafbeda04 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     cqueue_loop
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 8 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.25s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test cqueue`
[INFO] running `Command { std: "docker" "inspect" "ddf0bba6e926de8d43c74f814cbf17fdee4160bb7e8841d24a8be15c7b3f34e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddf0bba6e926de8d43c74f814cbf17fdee4160bb7e8841d24a8be15c7b3f34e6", kill_on_drop: false }`
[INFO] [stdout] ddf0bba6e926de8d43c74f814cbf17fdee4160bb7e8841d24a8be15c7b3f34e6
