[INFO] cloning repository https://github.com/mimuw-jnp2-rust/test-task-grzenow4
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mimuw-jnp2-rust/test-task-grzenow4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmimuw-jnp2-rust%2Ftest-task-grzenow4", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmimuw-jnp2-rust%2Ftest-task-grzenow4'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 65f6648d4e741eff5bdc8de6b22fb6e21dbc0b14
[INFO] checking mimuw-jnp2-rust/test-task-grzenow4 against master#9ba3d315b4b2bea7485071eaf4b2681320cd2a27 for pr-124592
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmimuw-jnp2-rust%2Ftest-task-grzenow4" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mimuw-jnp2-rust/test-task-grzenow4 on toolchain 9ba3d315b4b2bea7485071eaf4b2681320cd2a27
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9ba3d315b4b2bea7485071eaf4b2681320cd2a27" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mimuw-jnp2-rust/test-task-grzenow4
[INFO] finished tweaking git repo https://github.com/mimuw-jnp2-rust/test-task-grzenow4
[INFO] tweaked toml for git repo https://github.com/mimuw-jnp2-rust/test-task-grzenow4 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mimuw-jnp2-rust/test-task-grzenow4 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" "+9ba3d315b4b2bea7485071eaf4b2681320cd2a27" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking mimuw-jnp2-rust/test-task-grzenow4 against try#2466b92ed5feb282a98bb984f45d1e6d39f8c1aa for pr-124592
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmimuw-jnp2-rust%2Ftest-task-grzenow4" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mimuw-jnp2-rust/test-task-grzenow4 on toolchain 2466b92ed5feb282a98bb984f45d1e6d39f8c1aa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2466b92ed5feb282a98bb984f45d1e6d39f8c1aa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mimuw-jnp2-rust/test-task-grzenow4
[INFO] finished tweaking git repo https://github.com/mimuw-jnp2-rust/test-task-grzenow4
[INFO] tweaked toml for git repo https://github.com/mimuw-jnp2-rust/test-task-grzenow4 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mimuw-jnp2-rust/test-task-grzenow4 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" "+2466b92ed5feb282a98bb984f45d1e6d39f8c1aa" "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-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+2466b92ed5feb282a98bb984f45d1e6d39f8c1aa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba77017036892d07a6d1b51401de737239da5d442c7318cc015adbcd03da3e14
[INFO] running `Command { std: "docker" "start" "-a" "ba77017036892d07a6d1b51401de737239da5d442c7318cc015adbcd03da3e14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba77017036892d07a6d1b51401de737239da5d442c7318cc015adbcd03da3e14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba77017036892d07a6d1b51401de737239da5d442c7318cc015adbcd03da3e14", kill_on_drop: false }`
[INFO] [stdout] ba77017036892d07a6d1b51401de737239da5d442c7318cc015adbcd03da3e14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+2466b92ed5feb282a98bb984f45d1e6d39f8c1aa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e21d9465e48e46ce6a32c92c67346876213677e7bf7ae20e22abfbc5554923ac
[INFO] running `Command { std: "docker" "start" "-a" "e21d9465e48e46ce6a32c92c67346876213677e7bf7ae20e22abfbc5554923ac", kill_on_drop: false }`
[INFO] [stderr]     Checking template-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]  --> src/main.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn test() -> bool {
[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 0.06s
[INFO] running `Command { std: "docker" "inspect" "e21d9465e48e46ce6a32c92c67346876213677e7bf7ae20e22abfbc5554923ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e21d9465e48e46ce6a32c92c67346876213677e7bf7ae20e22abfbc5554923ac", kill_on_drop: false }`
[INFO] [stdout] e21d9465e48e46ce6a32c92c67346876213677e7bf7ae20e22abfbc5554923ac