[INFO] cloning repository https://github.com/artpeixoto/collection_tools
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/artpeixoto/collection_tools" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fartpeixoto%2Fcollection_tools", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fartpeixoto%2Fcollection_tools'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2d93a97c6e98fe4d9ffddd8a7f1026bdc8b62834
[INFO] checking artpeixoto/collection_tools/2d93a97c6e98fe4d9ffddd8a7f1026bdc8b62834 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fartpeixoto%2Fcollection_tools" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/artpeixoto/collection_tools on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/artpeixoto/collection_tools
[INFO] finished tweaking git repo https://github.com/artpeixoto/collection_tools
[INFO] tweaked toml for git repo https://github.com/artpeixoto/collection_tools written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/artpeixoto/collection_tools 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/artpeixoto/pipe`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9d519903ee72d192ca8877659cc9c927bedf8f4a75093aee8fe4df4138e9e4a
[INFO] running `Command { std: "docker" "start" "-a" "b9d519903ee72d192ca8877659cc9c927bedf8f4a75093aee8fe4df4138e9e4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9d519903ee72d192ca8877659cc9c927bedf8f4a75093aee8fe4df4138e9e4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9d519903ee72d192ca8877659cc9c927bedf8f4a75093aee8fe4df4138e9e4a", kill_on_drop: false }`
[INFO] [stdout] b9d519903ee72d192ca8877659cc9c927bedf8f4a75093aee8fe4df4138e9e4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8572f7d7d6462c3ec8e70eeb5c22d185a6dc777818cdc2a283cd0d2e0e9a50f0
[INFO] running `Command { std: "docker" "start" "-a" "8572f7d7d6462c3ec8e70eeb5c22d185a6dc777818cdc2a283cd0d2e0e9a50f0", kill_on_drop: false }`
[INFO] [stderr]     Checking pipe v0.1.0 (https://github.com/artpeixoto/pipe#f0178a7e)
[INFO] [stderr]     Checking collection_tools v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]   --> src/collect.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn test(){
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]   --> src/collect.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn test(){
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "8572f7d7d6462c3ec8e70eeb5c22d185a6dc777818cdc2a283cd0d2e0e9a50f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8572f7d7d6462c3ec8e70eeb5c22d185a6dc777818cdc2a283cd0d2e0e9a50f0", kill_on_drop: false }`
[INFO] [stdout] 8572f7d7d6462c3ec8e70eeb5c22d185a6dc777818cdc2a283cd0d2e0e9a50f0