[INFO] cloning repository https://github.com/W4ff1e/nth_fibonacci_number
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/W4ff1e/nth_fibonacci_number" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FW4ff1e%2Fnth_fibonacci_number", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FW4ff1e%2Fnth_fibonacci_number'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3cc20f27c2c2f5b8947d61d6c5a9fbed1240a916
[INFO] checking W4ff1e/nth_fibonacci_number against master#a932eb36f8adf6c8cdfc450f063943da3112d621 for pr-140209-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FW4ff1e%2Fnth_fibonacci_number" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/W4ff1e/nth_fibonacci_number on toolchain a932eb36f8adf6c8cdfc450f063943da3112d621
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a932eb36f8adf6c8cdfc450f063943da3112d621" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/W4ff1e/nth_fibonacci_number
[INFO] finished tweaking git repo https://github.com/W4ff1e/nth_fibonacci_number
[INFO] tweaked toml for git repo https://github.com/W4ff1e/nth_fibonacci_number written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/W4ff1e/nth_fibonacci_number 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" "+a932eb36f8adf6c8cdfc450f063943da3112d621" "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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+a932eb36f8adf6c8cdfc450f063943da3112d621" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ffd21ee6a08c8246247ffc8c25d2f0162d674d7ab35a8e7e81a2d9606d7b0a96
[INFO] running `Command { std: "docker" "start" "-a" "ffd21ee6a08c8246247ffc8c25d2f0162d674d7ab35a8e7e81a2d9606d7b0a96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffd21ee6a08c8246247ffc8c25d2f0162d674d7ab35a8e7e81a2d9606d7b0a96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffd21ee6a08c8246247ffc8c25d2f0162d674d7ab35a8e7e81a2d9606d7b0a96", kill_on_drop: false }`
[INFO] [stdout] ffd21ee6a08c8246247ffc8c25d2f0162d674d7ab35a8e7e81a2d9606d7b0a96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+a932eb36f8adf6c8cdfc450f063943da3112d621" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b0c955836fb2f1ddc63c6e1e5a23b8333731650ad9733347e7c879cbcf843e4
[INFO] running `Command { std: "docker" "start" "-a" "6b0c955836fb2f1ddc63c6e1e5a23b8333731650ad9733347e7c879cbcf843e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking nth_fibonacci_number v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.56s
[INFO] running `Command { std: "docker" "inspect" "6b0c955836fb2f1ddc63c6e1e5a23b8333731650ad9733347e7c879cbcf843e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b0c955836fb2f1ddc63c6e1e5a23b8333731650ad9733347e7c879cbcf843e4", kill_on_drop: false }`
[INFO] [stdout] 6b0c955836fb2f1ddc63c6e1e5a23b8333731650ad9733347e7c879cbcf843e4