[INFO] cloning repository https://github.com/mjbryant/docker-attach
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mjbryant/docker-attach" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmjbryant%2Fdocker-attach", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmjbryant%2Fdocker-attach'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 41d0fafb87cddfc3976d7fee4c859620766682c8
[INFO] checking mjbryant/docker-attach/41d0fafb87cddfc3976d7fee4c859620766682c8 against master#55b9b4d1e1bb5b46c04237a2fb2f8a85f39ef97d for pr-146300
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmjbryant%2Fdocker-attach" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mjbryant/docker-attach
[INFO] finished tweaking git repo https://github.com/mjbryant/docker-attach
[INFO] tweaked toml for git repo https://github.com/mjbryant/docker-attach written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mjbryant/docker-attach on toolchain 55b9b4d1e1bb5b46c04237a2fb2f8a85f39ef97d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+55b9b4d1e1bb5b46c04237a2fb2f8a85f39ef97d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mjbryant/docker-attach 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" "+55b9b4d1e1bb5b46c04237a2fb2f8a85f39ef97d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+55b9b4d1e1bb5b46c04237a2fb2f8a85f39ef97d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33f54b7913a6f11c6d0113d282ef8666afd12f23c87366cdddc788024f528b43
[INFO] running `Command { std: "docker" "start" "-a" "33f54b7913a6f11c6d0113d282ef8666afd12f23c87366cdddc788024f528b43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33f54b7913a6f11c6d0113d282ef8666afd12f23c87366cdddc788024f528b43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33f54b7913a6f11c6d0113d282ef8666afd12f23c87366cdddc788024f528b43", kill_on_drop: false }`
[INFO] [stdout] 33f54b7913a6f11c6d0113d282ef8666afd12f23c87366cdddc788024f528b43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+55b9b4d1e1bb5b46c04237a2fb2f8a85f39ef97d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29cf52d7e85f97b3505db4cf572c9f745892f15fae9aced9a4530f01a6cf986e
[INFO] running `Command { std: "docker" "start" "-a" "29cf52d7e85f97b3505db4cf572c9f745892f15fae9aced9a4530f01a6cf986e", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking libc v0.2.36
[INFO] [stderr]     Checking termion v1.5.1
[INFO] [stderr]     Checking docker-attach v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `exec` that must be used
[INFO] [stdout]    --> src/main.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 | /         Command::new("docker")
[INFO] [stdout] 128 | |             .args(&["exec", "-ti", &containers[highlighted_line].id, "/bin/bash"])
[INFO] [stdout] 129 | |             .exec();
[INFO] [stdout]     | |___________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 127 |         let _ = Command::new("docker")
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `exec` that must be used
[INFO] [stdout]    --> src/main.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 | /         Command::new("docker")
[INFO] [stdout] 128 | |             .args(&["exec", "-ti", &containers[highlighted_line].id, "/bin/bash"])
[INFO] [stdout] 129 | |             .exec();
[INFO] [stdout]     | |___________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 127 |         let _ = Command::new("docker")
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "29cf52d7e85f97b3505db4cf572c9f745892f15fae9aced9a4530f01a6cf986e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29cf52d7e85f97b3505db4cf572c9f745892f15fae9aced9a4530f01a6cf986e", kill_on_drop: false }`
[INFO] [stdout] 29cf52d7e85f97b3505db4cf572c9f745892f15fae9aced9a4530f01a6cf986e