[INFO] fetching crate command-group 5.0.1...
[INFO] checking command-group-5.0.1 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate command-group 5.0.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate command-group 5.0.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate command-group 5.0.1
[INFO] tweaked toml for crates.io crate command-group 5.0.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate command-group 5.0.1 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate command-group 5.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f777f8fc821eb61b1bfee4c555ecb98aac41de4570a137498064d2879e932389
[INFO] running `Command { std: "docker" "start" "-a" "f777f8fc821eb61b1bfee4c555ecb98aac41de4570a137498064d2879e932389", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f777f8fc821eb61b1bfee4c555ecb98aac41de4570a137498064d2879e932389", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f777f8fc821eb61b1bfee4c555ecb98aac41de4570a137498064d2879e932389", kill_on_drop: false }`
[INFO] [stdout] f777f8fc821eb61b1bfee4c555ecb98aac41de4570a137498064d2879e932389
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f8a1cd29ee5b061e34f9f74f0abd352c5f72d9e965c641a5deab39c331e9519
[INFO] running `Command { std: "docker" "start" "-a" "9f8a1cd29ee5b061e34f9f74f0abd352c5f72d9e965c641a5deab39c331e9519", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking nix v0.27.1
[INFO] [stderr]     Checking mio v0.8.9
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking command-group v5.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `UnixChildExt` is never used
[INFO] [stdout]    --> src/stdlib/child/unix.rs:207:11
[INFO] [stdout]     |
[INFO] [stdout] 207 | pub trait UnixChildExt {
[INFO] [stdout]     |           ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/stdlib.rs:49:11
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn group(&mut self) -> CommandGroupBuilder<std::process::Command>;
[INFO] [stdout]    |              ^^^^^^^^^     ------------------------------------------ the same lifetime is hidden here
[INFO] [stdout]    |              |
[INFO] [stdout]    |              the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn group(&mut self) -> CommandGroupBuilder<'_, std::process::Command>;
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]     Checking tokio v1.33.0
[INFO] [stdout] warning: trait `UnixChildExt` is never used
[INFO] [stdout]    --> src/stdlib/child/unix.rs:207:11
[INFO] [stdout]     |
[INFO] [stdout] 207 | pub trait UnixChildExt {
[INFO] [stdout]     |           ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/stdlib.rs:49:11
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn group(&mut self) -> CommandGroupBuilder<std::process::Command>;
[INFO] [stdout]    |              ^^^^^^^^^     ------------------------------------------ the same lifetime is hidden here
[INFO] [stdout]    |              |
[INFO] [stdout]    |              the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn group(&mut self) -> CommandGroupBuilder<'_, std::process::Command>;
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.73s
[INFO] running `Command { std: "docker" "inspect" "9f8a1cd29ee5b061e34f9f74f0abd352c5f72d9e965c641a5deab39c331e9519", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f8a1cd29ee5b061e34f9f74f0abd352c5f72d9e965c641a5deab39c331e9519", kill_on_drop: false }`
[INFO] [stdout] 9f8a1cd29ee5b061e34f9f74f0abd352c5f72d9e965c641a5deab39c331e9519