[INFO] cloning repository https://github.com/haruki7049/calculate_wrap
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/haruki7049/calculate_wrap" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharuki7049%2Fcalculate_wrap", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharuki7049%2Fcalculate_wrap'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a661531cd6bf6597f060d086d5ec276f1c154406
[INFO] checking haruki7049/calculate_wrap against master#7c4ac0603e9ee5295bc802c90575391288a69a8a for pr-124728
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharuki7049%2Fcalculate_wrap" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/haruki7049/calculate_wrap on toolchain 7c4ac0603e9ee5295bc802c90575391288a69a8a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7c4ac0603e9ee5295bc802c90575391288a69a8a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/haruki7049/calculate_wrap
[INFO] finished tweaking git repo https://github.com/haruki7049/calculate_wrap
[INFO] tweaked toml for git repo https://github.com/haruki7049/calculate_wrap written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/haruki7049/calculate_wrap 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" "+7c4ac0603e9ee5295bc802c90575391288a69a8a" "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 haruki7049/calculate_wrap against try#98ebbae35138252af77610c20ea5a5e8bf68d639 for pr-124728
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharuki7049%2Fcalculate_wrap" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/haruki7049/calculate_wrap on toolchain 98ebbae35138252af77610c20ea5a5e8bf68d639
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+98ebbae35138252af77610c20ea5a5e8bf68d639" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/haruki7049/calculate_wrap
[INFO] finished tweaking git repo https://github.com/haruki7049/calculate_wrap
[INFO] tweaked toml for git repo https://github.com/haruki7049/calculate_wrap written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/haruki7049/calculate_wrap 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" "+98ebbae35138252af77610c20ea5a5e8bf68d639" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+98ebbae35138252af77610c20ea5a5e8bf68d639" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c1d8af9bb54e48ca55f8f89488f7e6512bcab87db826a9e9de4aa04224c734d
[INFO] running `Command { std: "docker" "start" "-a" "0c1d8af9bb54e48ca55f8f89488f7e6512bcab87db826a9e9de4aa04224c734d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c1d8af9bb54e48ca55f8f89488f7e6512bcab87db826a9e9de4aa04224c734d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c1d8af9bb54e48ca55f8f89488f7e6512bcab87db826a9e9de4aa04224c734d", kill_on_drop: false }`
[INFO] [stdout] 0c1d8af9bb54e48ca55f8f89488f7e6512bcab87db826a9e9de4aa04224c734d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+98ebbae35138252af77610c20ea5a5e8bf68d639" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e73ec44c41a45e6e711f8926be7c17705bd742f4f9296c42e1e247ee6464e61
[INFO] running `Command { std: "docker" "start" "-a" "1e73ec44c41a45e6e711f8926be7c17705bd742f4f9296c42e1e247ee6464e61", kill_on_drop: false }`
[INFO] [stderr]     Checking calculate_wrap v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `plus` is never used
[INFO] [stdout]  --> src/main.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn plus(x: i32, y: i32) -> i32{
[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: function `plus` is never used
[INFO] [stdout]  --> src/main.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn plus(x: i32, y: i32) -> i32{
[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 0.12s
[INFO] running `Command { std: "docker" "inspect" "1e73ec44c41a45e6e711f8926be7c17705bd742f4f9296c42e1e247ee6464e61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e73ec44c41a45e6e711f8926be7c17705bd742f4f9296c42e1e247ee6464e61", kill_on_drop: false }`
[INFO] [stdout] 1e73ec44c41a45e6e711f8926be7c17705bd742f4f9296c42e1e247ee6464e61