[INFO] fetching crate command-group 5.0.1...
[INFO] checking command-group-5.0.1 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate command-group 5.0.1 into /workspace/builds/worker-7-tc1/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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate command-group 5.0.1 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9afcc83daa62b17bf902bcd78023d12da93b90e83f5ce3531d0d02f80bfdc177
[INFO] running `Command { std: "docker" "start" "-a" "9afcc83daa62b17bf902bcd78023d12da93b90e83f5ce3531d0d02f80bfdc177", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9afcc83daa62b17bf902bcd78023d12da93b90e83f5ce3531d0d02f80bfdc177", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9afcc83daa62b17bf902bcd78023d12da93b90e83f5ce3531d0d02f80bfdc177", kill_on_drop: false }`
[INFO] [stdout] 9afcc83daa62b17bf902bcd78023d12da93b90e83f5ce3531d0d02f80bfdc177
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3347dc64998c2571afe205f08a375d512523d7bd8a031ec257027dcb28e7d7ed
[INFO] running `Command { std: "docker" "start" "-a" "3347dc64998c2571afe205f08a375d512523d7bd8a031ec257027dcb28e7d7ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[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 num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.8.9
[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: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/stdlib.rs:49:11
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn group(&mut self) -> CommandGroupBuilder<std::process::Command>;
[INFO] [stdout]    |              ^^^^^^^^^     ------------------------------------------ the lifetime gets resolved as `'_`
[INFO] [stdout]    |              |
[INFO] [stdout]    |              this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for 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: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/stdlib.rs:49:11
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn group(&mut self) -> CommandGroupBuilder<std::process::Command>;
[INFO] [stdout]    |              ^^^^^^^^^     ------------------------------------------ the lifetime gets resolved as `'_`
[INFO] [stdout]    |              |
[INFO] [stdout]    |              this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for 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 8.09s
[INFO] running `Command { std: "docker" "inspect" "3347dc64998c2571afe205f08a375d512523d7bd8a031ec257027dcb28e7d7ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3347dc64998c2571afe205f08a375d512523d7bd8a031ec257027dcb28e7d7ed", kill_on_drop: false }`
[INFO] [stdout] 3347dc64998c2571afe205f08a375d512523d7bd8a031ec257027dcb28e7d7ed