[INFO] fetching crate command-group 5.0.1...
[INFO] checking command-group-5.0.1 against try#de0e80659cee4f27282e60d63bbb8c5271a0d147 for pr-129392
[INFO] extracting crate command-group 5.0.1 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate command-group 5.0.1 on toolchain de0e80659cee4f27282e60d63bbb8c5271a0d147
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-5-tc2/source/Cargo.toml
[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" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb3559e4b48e72da29a904d8c1b21c1d640af0ae53605ba8a603bbfe3fc8ee9a
[INFO] running `Command { std: "docker" "start" "-a" "bb3559e4b48e72da29a904d8c1b21c1d640af0ae53605ba8a603bbfe3fc8ee9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb3559e4b48e72da29a904d8c1b21c1d640af0ae53605ba8a603bbfe3fc8ee9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb3559e4b48e72da29a904d8c1b21c1d640af0ae53605ba8a603bbfe3fc8ee9a", kill_on_drop: false }`
[INFO] [stdout] bb3559e4b48e72da29a904d8c1b21c1d640af0ae53605ba8a603bbfe3fc8ee9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 726c7685e6d55af4a29d2b420da03ed63a014de6855146e1c173becf4e8517f2
[INFO] running `Command { std: "docker" "start" "-a" "726c7685e6d55af4a29d2b420da03ed63a014de6855146e1c173becf4e8517f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking mio v0.8.9
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking nix v0.27.1
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]     Checking command-group v5.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `signal` is never used
[INFO] [stdout]    --> src/stdlib/child/unix.rs:208:5
[INFO] [stdout]     |
[INFO] [stdout] 207 | pub trait UnixChildExt {
[INFO] [stdout]     |           ------------ method in this trait
[INFO] [stdout] 208 |     fn signal(&self, sig: Signal) -> Result<()>;
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tokio v1.33.0
[INFO] [stdout] warning: method `signal` is never used
[INFO] [stdout]    --> src/stdlib/child/unix.rs:208:5
[INFO] [stdout]     |
[INFO] [stdout] 207 | pub trait UnixChildExt {
[INFO] [stdout]     |           ------------ method in this trait
[INFO] [stdout] 208 |     fn signal(&self, sig: Signal) -> Result<()>;
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.84s
[INFO] running `Command { std: "docker" "inspect" "726c7685e6d55af4a29d2b420da03ed63a014de6855146e1c173becf4e8517f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "726c7685e6d55af4a29d2b420da03ed63a014de6855146e1c173becf4e8517f2", kill_on_drop: false }`
[INFO] [stdout] 726c7685e6d55af4a29d2b420da03ed63a014de6855146e1c173becf4e8517f2