[INFO] fetching crate mco 0.1.48...
[INFO] testing mco-0.1.48 against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065-1
[INFO] extracting crate mco 0.1.48 into /workspace/builds/worker-0-tc2/source
[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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mco 0.1.48 on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 105 packages to latest compatible versions
[INFO] [stderr]       Adding generator v0.7.5 (available: v0.8.8)
[INFO] [stderr]       Adding nix v0.27.1 (available: v0.31.2)
[INFO] [stderr]       Adding parking_lot v0.11.2 (available: v0.12.5)
[INFO] [stderr]       Adding socket2 v0.5.10 (available: v0.6.3)
[INFO] [stderr]       Adding windows-sys v0.48.0 (available: v0.61.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 370519e939d696f87103a9def0f4df56c223ab97e2007f2af6f10fd365fe3090
[INFO] running `Command { std: "docker" "start" "-a" "370519e939d696f87103a9def0f4df56c223ab97e2007f2af6f10fd365fe3090", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "370519e939d696f87103a9def0f4df56c223ab97e2007f2af6f10fd365fe3090", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "370519e939d696f87103a9def0f4df56c223ab97e2007f2af6f10fd365fe3090", kill_on_drop: false }`
[INFO] [stdout] 370519e939d696f87103a9def0f4df56c223ab97e2007f2af6f10fd365fe3090
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33d9aa9283eb7134a5fb8339ad6a038341a78f3b4f1c76ecc491fa1d24e874ba
[INFO] running `Command { std: "docker" "start" "-a" "33d9aa9283eb7134a5fb8339ad6a038341a78f3b4f1c76ecc491fa1d24e874ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling num-conv v0.2.1
[INFO] [stderr]    Compiling time-core v0.1.8
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling num_threads v0.1.7
[INFO] [stderr]    Compiling generator v0.7.5
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling deranged v0.5.8
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling time v0.3.47
[INFO] [stderr]    Compiling num_cpus v1.17.0
[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 serde_derive v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[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: `docsrs`, `feature`, and `test` and 31 more
[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/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 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`, `amdhsa`, `android`, `cuda`, `cygwin`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `helenos`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `lynxos178`, `macos`, `managarm`, `motor`, `netbsd`, `none`, `nto`, `nuttx`, `openbsd`, `psp`, `psx`, `qurt`, `redox`, `rtems`, `solaris`, and `solid_asp3` and 14 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)]` (part of `#[warn(unused)]`) 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 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`, `amdhsa`, `android`, `cuda`, `cygwin`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `helenos`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `lynxos178`, `macos`, `managarm`, `motor`, `netbsd`, `none`, `nto`, `nuttx`, `openbsd`, `psp`, `psx`, `qurt`, `redox`, `rtems`, `solaris`, and `solid_asp3` and 14 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`, `amdhsa`, `android`, `cuda`, `cygwin`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `helenos`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `lynxos178`, `macos`, `managarm`, `motor`, `netbsd`, `none`, `nto`, `nuttx`, `openbsd`, `psp`, `psx`, `qurt`, `redox`, `rtems`, `solaris`, and `solid_asp3` and 14 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] error[E0310]: the parameter type `T` may not live long enough
[INFO] [stdout]   --> src/yield_now.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let r = resource as &dyn EventSource as *const _ as *mut _;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             the parameter type `T` must be valid for the static lifetime...
[INFO] [stdout]    |             ...so that the type `T` will meet its required lifetime bounds
[INFO] [stdout]    |
[INFO] [stdout] help: consider adding an explicit lifetime bound
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn yield_with<T: EventSource + 'static>(resource: &T) {
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0310`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mco` (lib) due to 1 previous error; 23 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "33d9aa9283eb7134a5fb8339ad6a038341a78f3b4f1c76ecc491fa1d24e874ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33d9aa9283eb7134a5fb8339ad6a038341a78f3b4f1c76ecc491fa1d24e874ba", kill_on_drop: false }`
[INFO] [stdout] 33d9aa9283eb7134a5fb8339ad6a038341a78f3b4f1c76ecc491fa1d24e874ba
