[INFO] fetching crate comn 0.1.1...
[INFO] testing comn-0.1.1 against 1.75.0 for beta-1.76-1
[INFO] extracting crate comn 0.1.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate comn 0.1.1 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate comn 0.1.1
[INFO] finished tweaking crates.io crate comn 0.1.1
[INFO] tweaked toml for crates.io crate comn 0.1.1 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" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded comn-pms v0.1.0
[INFO] [stderr]   Downloaded clap v2.33.4
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a331fd04d6e49353dca4e8315514d964d1335601832476cc2579d7dfd1ab173
[INFO] running `Command { std: "docker" "start" "-a" "1a331fd04d6e49353dca4e8315514d964d1335601832476cc2579d7dfd1ab173", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a331fd04d6e49353dca4e8315514d964d1335601832476cc2579d7dfd1ab173", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a331fd04d6e49353dca4e8315514d964d1335601832476cc2579d7dfd1ab173", kill_on_drop: false }`
[INFO] [stdout] 1a331fd04d6e49353dca4e8315514d964d1335601832476cc2579d7dfd1ab173
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3795cfa79144bf76431ebfdeb7862a780b344cfbbafbec8e4fb8831867459d68
[INFO] running `Command { std: "docker" "start" "-a" "3795cfa79144bf76431ebfdeb7862a780b344cfbbafbec8e4fb8831867459d68", kill_on_drop: false }`
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling pin-project-lite v0.2.13
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling smallvec v1.11.2
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling iana-time-zone v0.1.59
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling mio v0.8.10
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling socket2 v0.5.5
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling chrono v0.4.31
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling bytes v1.5.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling clap v2.33.4
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling comn-pms v0.1.0
[INFO] [stderr]    Compiling ctor v0.1.26
[INFO] [stderr]    Compiling tokio v1.35.1
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling futures-executor v0.3.30
[INFO] [stderr]    Compiling futures v0.3.30
[INFO] [stderr]    Compiling comn v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `from` that must be used
[INFO] [stdout]    --> src/flags.rs:215:13
[INFO] [stdout]     |
[INFO] [stdout] 215 |             Box::<str>::from(*ptr);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 215 |             let _ = Box::<str>::from(*ptr);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.50s
[INFO] running `Command { std: "docker" "inspect" "3795cfa79144bf76431ebfdeb7862a780b344cfbbafbec8e4fb8831867459d68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3795cfa79144bf76431ebfdeb7862a780b344cfbbafbec8e4fb8831867459d68", kill_on_drop: false }`
[INFO] [stdout] 3795cfa79144bf76431ebfdeb7862a780b344cfbbafbec8e4fb8831867459d68
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4db9eabbc75e3b10b5ed9e73dc943f1627a363ef377432bfffddd0bbe0648a71
[INFO] running `Command { std: "docker" "start" "-a" "4db9eabbc75e3b10b5ed9e73dc943f1627a363ef377432bfffddd0bbe0648a71", kill_on_drop: false }`
[INFO] [stderr]    Compiling comn v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `from` that must be used
[INFO] [stdout]    --> src/flags.rs:215:13
[INFO] [stdout]     |
[INFO] [stdout] 215 |             Box::<str>::from(*ptr);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 215 |             let _ = Box::<str>::from(*ptr);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `x` should have an upper camel case name
[INFO] [stdout]    --> tests/test.rs:165:12
[INFO] [stdout]     |
[INFO] [stdout] 165 |     struct x<T> {
[INFO] [stdout]     |            ^ help: convert the identifier to upper camel case (notice the capitalization): `X`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `a` should have an upper camel case name
[INFO] [stdout]    --> tests/test.rs:180:12
[INFO] [stdout]     |
[INFO] [stdout] 180 |     struct a {
[INFO] [stdout]     |            ^ help: convert the identifier to upper camel case: `A`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `wrapper` should have an upper camel case name
[INFO] [stdout]  --> tests/tokio.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     struct wrapper {
[INFO] [stdout]   |            ^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Wrapper`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]   --> tests/tokio.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |         thread::sleep_ms(5000);
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]   --> tests/tokio.rs:48:17
[INFO] [stdout]    |
[INFO] [stdout] 48 |         thread::sleep_ms(5000);
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]   --> tests/tokio.rs:63:17
[INFO] [stdout]    |
[INFO] [stdout] 63 |         thread::sleep_ms(5000);
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]   --> tests/tokio.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 71 |     thread::sleep_ms(3000);
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/test.rs:281:13
[INFO] [stdout]     |
[INFO] [stdout] 281 |         let mut y = &mut x;
[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: struct `a` is never constructed
[INFO] [stdout]    --> tests/test.rs:180:12
[INFO] [stdout]     |
[INFO] [stdout] 180 |     struct a {
[INFO] [stdout]     |            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `x3` is never used
[INFO] [stdout]    --> tests/test.rs:185:8
[INFO] [stdout]     |
[INFO] [stdout] 185 |     fn x3(c: &mut a, d: a) {
[INFO] [stdout]     |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/test.rs:222:9
[INFO] [stdout]     |
[INFO] [stdout] 222 | /         thread::spawn(move || {
[INFO] [stdout] 223 | |             let sss3 = unsafe { &mut *(sss1 as *const _ as *mut String) };
[INFO] [stdout] 224 | |             let sss4 = Box::leak(Box::new(format!("{1} {0}", i, 8)));
[INFO] [stdout] 225 | |             mem::swap(sss3, sss4);
[INFO] [stdout] 226 | |         })
[INFO] [stdout] 227 | |         .join();
[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] 222 |         let _ = thread::spawn(move || {
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell`
[INFO] [stdout]    --> tests/test.rs:223:33
[INFO] [stdout]     |
[INFO] [stdout] 223 |             let sss3 = unsafe { &mut *(sss1 as *const _ as *mut String) };
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, visit <https://doc.rust-lang.org/book/ch15-05-interior-mutability.html>
[INFO] [stdout]     = note: `#[warn(invalid_reference_casting)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` in tuple element 0 that must be used
[INFO] [stdout]   --> tests/tokio.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 |     tokio::join!(h1, h2, h3);
[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]    = note: this warning originates in the macro `$crate::join` which comes from the expansion of the macro `tokio::join` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` in tuple element 1 that must be used
[INFO] [stdout]   --> tests/tokio.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 |     tokio::join!(h1, h2, h3);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `$crate::join` which comes from the expansion of the macro `tokio::join` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` in tuple element 2 that must be used
[INFO] [stdout]   --> tests/tokio.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 |     tokio::join!(h1, h2, h3);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `$crate::join` which comes from the expansion of the macro `tokio::join` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `from` that must be used
[INFO] [stdout]    --> src/flags.rs:215:13
[INFO] [stdout]     |
[INFO] [stdout] 215 |             Box::<str>::from(*ptr);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 215 |             let _ = Box::<str>::from(*ptr);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.16s
[INFO] running `Command { std: "docker" "inspect" "4db9eabbc75e3b10b5ed9e73dc943f1627a363ef377432bfffddd0bbe0648a71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4db9eabbc75e3b10b5ed9e73dc943f1627a363ef377432bfffddd0bbe0648a71", kill_on_drop: false }`
[INFO] [stdout] 4db9eabbc75e3b10b5ed9e73dc943f1627a363ef377432bfffddd0bbe0648a71
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e66dd3259a44ffd593c64b6cb20a2c9d8be47960af463d3cc9f87ca60e9a63a8
[INFO] running `Command { std: "docker" "start" "-a" "e66dd3259a44ffd593c64b6cb20a2c9d8be47960af463d3cc9f87ca60e9a63a8", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `from` that must be used
[INFO] [stderr]    --> src/flags.rs:215:13
[INFO] [stderr]     |
[INFO] [stderr] 215 |             Box::<str>::from(*ptr);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 215 |             let _ = Box::<str>::from(*ptr);
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `comn` (lib) generated 1 warning
[INFO] [stderr] warning: `comn` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: type `wrapper` should have an upper camel case name
[INFO] [stderr]  --> tests/tokio.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 |     struct wrapper {
[INFO] [stderr]   |            ^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Wrapper`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stderr]   --> tests/tokio.rs:33:17
[INFO] [stderr]    |
[INFO] [stderr] 33 |         thread::sleep_ms(5000);
[INFO] [stderr]    |                 ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stderr]   --> tests/tokio.rs:48:17
[INFO] [stderr]    |
[INFO] [stderr] 48 |         thread::sleep_ms(5000);
[INFO] [stderr]    |                 ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stderr]   --> tests/tokio.rs:63:17
[INFO] [stderr]    |
[INFO] [stderr] 63 |         thread::sleep_ms(5000);
[INFO] [stderr]    |                 ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stderr]   --> tests/tokio.rs:71:13
[INFO] [stderr]    |
[INFO] [stderr] 71 |     thread::sleep_ms(3000);
[INFO] [stderr]    |             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` in tuple element 0 that must be used
[INFO] [stderr]   --> tests/tokio.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 |     tokio::join!(h1, h2, h3);
[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]    = note: this warning originates in the macro `$crate::join` which comes from the expansion of the macro `tokio::join` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` in tuple element 1 that must be used
[INFO] [stderr]   --> tests/tokio.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 |     tokio::join!(h1, h2, h3);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in the macro `$crate::join` which comes from the expansion of the macro `tokio::join` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` in tuple element 2 that must be used
[INFO] [stderr]   --> tests/tokio.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 |     tokio::join!(h1, h2, h3);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in the macro `$crate::join` which comes from the expansion of the macro `tokio::join` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: type `x` should have an upper camel case name
[INFO] [stderr]    --> tests/test.rs:165:12
[INFO] [stderr]     |
[INFO] [stderr] 165 |     struct x<T> {
[INFO] [stderr]     |            ^ help: convert the identifier to upper camel case (notice the capitalization): `X`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `a` should have an upper camel case name
[INFO] [stderr]    --> tests/test.rs:180:12
[INFO] [stderr]     |
[INFO] [stderr] 180 |     struct a {
[INFO] [stderr]     |            ^ help: convert the identifier to upper camel case: `A`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/test.rs:281:13
[INFO] [stderr]     |
[INFO] [stderr] 281 |         let mut y = &mut x;
[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: struct `a` is never constructed
[INFO] [stderr]    --> tests/test.rs:180:12
[INFO] [stderr]     |
[INFO] [stderr] 180 |     struct a {
[INFO] [stderr]     |            ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `x3` is never used
[INFO] [stderr]    --> tests/test.rs:185:8
[INFO] [stderr]     |
[INFO] [stderr] 185 |     fn x3(c: &mut a, d: a) {
[INFO] [stderr]     |        ^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/test.rs:222:9
[INFO] [stderr]     |
[INFO] [stderr] 222 | /         thread::spawn(move || {
[INFO] [stderr] 223 | |             let sss3 = unsafe { &mut *(sss1 as *const _ as *mut String) };
[INFO] [stderr] 224 | |             let sss4 = Box::leak(Box::new(format!("{1} {0}", i, 8)));
[INFO] [stderr] 225 | |             mem::swap(sss3, sss4);
[INFO] [stderr] 226 | |         })
[INFO] [stderr] 227 | |         .join();
[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] 222 |         let _ = thread::spawn(move || {
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell`
[INFO] [stderr]    --> tests/test.rs:223:33
[INFO] [stderr]     |
[INFO] [stderr] 223 |             let sss3 = unsafe { &mut *(sss1 as *const _ as *mut String) };
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, visit <https://doc.rust-lang.org/book/ch15-05-interior-mutability.html>
[INFO] [stderr]     = note: `#[warn(invalid_reference_casting)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `comn` (test "tokio") generated 8 warnings
[INFO] [stderr] warning: `comn` (test "test") generated 7 warnings (run `cargo fix --test "test"` to apply 1 suggestion)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/comn-cdf632d8cafa923a)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/clap.rs (/opt/rustwide/target/debug/deps/clap-e8e0c30d3d6ece8e)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-55bea476d2446efe)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stderr] error: test failed, to rerun pass `--test test`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/test-55bea476d2446efe` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "e66dd3259a44ffd593c64b6cb20a2c9d8be47960af463d3cc9f87ca60e9a63a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e66dd3259a44ffd593c64b6cb20a2c9d8be47960af463d3cc9f87ca60e9a63a8", kill_on_drop: false }`
[INFO] [stdout] e66dd3259a44ffd593c64b6cb20a2c9d8be47960af463d3cc9f87ca60e9a63a8
