[INFO] cloning repository https://github.com/ShuoKuro/FibonacciNumber
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ShuoKuro/FibonacciNumber" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShuoKuro%2FFibonacciNumber", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShuoKuro%2FFibonacciNumber'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 30985e03da0ba345d307a7709385a323fc867bd3
[INFO] checking ShuoKuro/FibonacciNumber against master#c29082fe7dc6e902169cacbae165562a7e4a1fd6 for pr-120805
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShuoKuro%2FFibonacciNumber" "/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/ShuoKuro/FibonacciNumber on toolchain c29082fe7dc6e902169cacbae165562a7e4a1fd6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c29082fe7dc6e902169cacbae165562a7e4a1fd6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ShuoKuro/FibonacciNumber
[INFO] finished tweaking git repo https://github.com/ShuoKuro/FibonacciNumber
[INFO] tweaked toml for git repo https://github.com/ShuoKuro/FibonacciNumber written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ShuoKuro/FibonacciNumber 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" "+c29082fe7dc6e902169cacbae165562a7e4a1fd6" "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 ShuoKuro/FibonacciNumber against try#a76cc2633df38feca72f20156e7d9e4b074337f3 for pr-120805
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShuoKuro%2FFibonacciNumber" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ShuoKuro/FibonacciNumber on toolchain a76cc2633df38feca72f20156e7d9e4b074337f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a76cc2633df38feca72f20156e7d9e4b074337f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ShuoKuro/FibonacciNumber
[INFO] finished tweaking git repo https://github.com/ShuoKuro/FibonacciNumber
[INFO] tweaked toml for git repo https://github.com/ShuoKuro/FibonacciNumber written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ShuoKuro/FibonacciNumber 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" "+a76cc2633df38feca72f20156e7d9e4b074337f3" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+a76cc2633df38feca72f20156e7d9e4b074337f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bfe3c3f9fc2dc0ca7a5a107143ae905dfeec13a6ef3486444e92e949d30be362
[INFO] running `Command { std: "docker" "start" "-a" "bfe3c3f9fc2dc0ca7a5a107143ae905dfeec13a6ef3486444e92e949d30be362", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfe3c3f9fc2dc0ca7a5a107143ae905dfeec13a6ef3486444e92e949d30be362", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfe3c3f9fc2dc0ca7a5a107143ae905dfeec13a6ef3486444e92e949d30be362", kill_on_drop: false }`
[INFO] [stdout] bfe3c3f9fc2dc0ca7a5a107143ae905dfeec13a6ef3486444e92e949d30be362
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+a76cc2633df38feca72f20156e7d9e4b074337f3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3b95720727d90c0aef9bdf6b7f7e932a7020fdb301b992e6f0f2d7a9f6c7b54
[INFO] running `Command { std: "docker" "start" "-a" "a3b95720727d90c0aef9bdf6b7f7e932a7020fdb301b992e6f0f2d7a9f6c7b54", kill_on_drop: false }`
[INFO] [stderr]     Checking FibonacciNumber v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `FibonacciNumber` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `fibonacci_number`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `FibonacciNumber` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `fibonacci_number`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` 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 [unoptimized + debuginfo] target(s) in 0.04s
[INFO] running `Command { std: "docker" "inspect" "a3b95720727d90c0aef9bdf6b7f7e932a7020fdb301b992e6f0f2d7a9f6c7b54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3b95720727d90c0aef9bdf6b7f7e932a7020fdb301b992e6f0f2d7a9f6c7b54", kill_on_drop: false }`
[INFO] [stdout] a3b95720727d90c0aef9bdf6b7f7e932a7020fdb301b992e6f0f2d7a9f6c7b54