[INFO] cloning repository https://github.com/ArtemZHR/cached_closure
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ArtemZHR/cached_closure" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArtemZHR%2Fcached_closure", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArtemZHR%2Fcached_closure'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aa9f7d92c4a43d4b5058db949235d9fcbd698f1c
[INFO] checking ArtemZHR/cached_closure against master#36b21637e93b038453924d3c66821089e71d8baa for pr-143164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArtemZHR%2Fcached_closure" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ArtemZHR/cached_closure
[INFO] finished tweaking git repo https://github.com/ArtemZHR/cached_closure
[INFO] tweaked toml for git repo https://github.com/ArtemZHR/cached_closure written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ArtemZHR/cached_closure on toolchain 36b21637e93b038453924d3c66821089e71d8baa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ArtemZHR/cached_closure 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" "+36b21637e93b038453924d3c66821089e71d8baa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 253d5735e6691dfcef1446598d1865c4a8f9c24b3f76755c3c0754edad71ac01
[INFO] running `Command { std: "docker" "start" "-a" "253d5735e6691dfcef1446598d1865c4a8f9c24b3f76755c3c0754edad71ac01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "253d5735e6691dfcef1446598d1865c4a8f9c24b3f76755c3c0754edad71ac01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "253d5735e6691dfcef1446598d1865c4a8f9c24b3f76755c3c0754edad71ac01", kill_on_drop: false }`
[INFO] [stdout] 253d5735e6691dfcef1446598d1865c4a8f9c24b3f76755c3c0754edad71ac01
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e01d7538a7d1e3109a6e686fea36a88778b1f190b476c19503f008d1dbef3cf
[INFO] running `Command { std: "docker" "start" "-a" "3e01d7538a7d1e3109a6e686fea36a88778b1f190b476c19503f008d1dbef3cf", kill_on_drop: false }`
[INFO] [stderr]     Checking study v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `v1`
[INFO] [stdout]   --> src/main.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let v1 = c.value(1);
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_v1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "3e01d7538a7d1e3109a6e686fea36a88778b1f190b476c19503f008d1dbef3cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e01d7538a7d1e3109a6e686fea36a88778b1f190b476c19503f008d1dbef3cf", kill_on_drop: false }`
[INFO] [stdout] 3e01d7538a7d1e3109a6e686fea36a88778b1f190b476c19503f008d1dbef3cf
