[INFO] cloning repository https://github.com/MikiiN/fibonacci-challenge
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MikiiN/fibonacci-challenge" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMikiiN%2Ffibonacci-challenge", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMikiiN%2Ffibonacci-challenge'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6364655608f37cc3379baecac83a4631813352cb
[INFO] checking MikiiN/fibonacci-challenge against master#518b428304e0008859cb1fd81d1ac20efb2a064a for pr-138961-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMikiiN%2Ffibonacci-challenge" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/MikiiN/fibonacci-challenge
[INFO] finished tweaking git repo https://github.com/MikiiN/fibonacci-challenge
[INFO] tweaked toml for git repo https://github.com/MikiiN/fibonacci-challenge written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/MikiiN/fibonacci-challenge on toolchain 518b428304e0008859cb1fd81d1ac20efb2a064a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+518b428304e0008859cb1fd81d1ac20efb2a064a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/MikiiN/fibonacci-challenge 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" "+518b428304e0008859cb1fd81d1ac20efb2a064a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded az v1.2.1
[INFO] [stderr]   Downloaded rug v1.28.0
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.6.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+518b428304e0008859cb1fd81d1ac20efb2a064a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 754df4a79c42ee3d9fc2f9df53d50fb6f7754f329f0f0e19941709cf3041bf03
[INFO] running `Command { std: "docker" "start" "-a" "754df4a79c42ee3d9fc2f9df53d50fb6f7754f329f0f0e19941709cf3041bf03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "754df4a79c42ee3d9fc2f9df53d50fb6f7754f329f0f0e19941709cf3041bf03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "754df4a79c42ee3d9fc2f9df53d50fb6f7754f329f0f0e19941709cf3041bf03", kill_on_drop: false }`
[INFO] [stdout] 754df4a79c42ee3d9fc2f9df53d50fb6f7754f329f0f0e19941709cf3041bf03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+518b428304e0008859cb1fd81d1ac20efb2a064a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6011fe8fbb2369b68b4edf17b39cf819e217688bd0b9741b3b9c1d064018a748
[INFO] running `Command { std: "docker" "start" "-a" "6011fe8fbb2369b68b4edf17b39cf819e217688bd0b9741b3b9c1d064018a748", kill_on_drop: false }`
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.8
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling rug v1.28.0
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "6011fe8fbb2369b68b4edf17b39cf819e217688bd0b9741b3b9c1d064018a748", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6011fe8fbb2369b68b4edf17b39cf819e217688bd0b9741b3b9c1d064018a748", kill_on_drop: false }`
[INFO] [stdout] 6011fe8fbb2369b68b4edf17b39cf819e217688bd0b9741b3b9c1d064018a748