[INFO] updating cached repository https://github.com/fabracht/tail_fibonacci_rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2f954b305c4f0b627c9b8de28c3f237d7b6a4a8b
[INFO] testing fabracht/tail_fibonacci_rust against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffabracht%2Ftail_fibonacci_rust" "work/builds/worker-1/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fabracht/tail_fibonacci_rust on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/fabracht/tail_fibonacci_rust
[INFO] finished tweaking git repo https://github.com/fabracht/tail_fibonacci_rust
[INFO] tweaked toml for git repo https://github.com/fabracht/tail_fibonacci_rust written to work/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/fabracht/tail_fibonacci_rust already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] a7dffa338bd3b1c31d2ab62861e898476324807d15977605dd8028c295e32e16
[INFO] running `"docker" "start" "-a" "a7dffa338bd3b1c31d2ab62861e898476324807d15977605dd8028c295e32e16"`
[INFO] [stderr]    Compiling tail_fibonacci v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `"docker" "inspect" "a7dffa338bd3b1c31d2ab62861e898476324807d15977605dd8028c295e32e16"`
[INFO] running `"docker" "rm" "-f" "a7dffa338bd3b1c31d2ab62861e898476324807d15977605dd8028c295e32e16"`
[INFO] [stdout] a7dffa338bd3b1c31d2ab62861e898476324807d15977605dd8028c295e32e16
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] b468eb69547a4e1305ce07a0fae175eef0870a51bc873803e642a460a70d20d6
[INFO] running `"docker" "start" "-a" "b468eb69547a4e1305ce07a0fae175eef0870a51bc873803e642a460a70d20d6"`
[INFO] [stderr]    Compiling tail_fibonacci v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "b468eb69547a4e1305ce07a0fae175eef0870a51bc873803e642a460a70d20d6"`
[INFO] running `"docker" "rm" "-f" "b468eb69547a4e1305ce07a0fae175eef0870a51bc873803e642a460a70d20d6"`
[INFO] [stdout] b468eb69547a4e1305ce07a0fae175eef0870a51bc873803e642a460a70d20d6
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 1c8b8efddcbfd963c95f5be2988436ac38f8aab062160af6fcc89694d1799a11
[INFO] running `"docker" "start" "-a" "1c8b8efddcbfd963c95f5be2988436ac38f8aab062160af6fcc89694d1799a11"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tail_fibonacci-3e450bc0b9606d0e
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "1c8b8efddcbfd963c95f5be2988436ac38f8aab062160af6fcc89694d1799a11"`
[INFO] running `"docker" "rm" "-f" "1c8b8efddcbfd963c95f5be2988436ac38f8aab062160af6fcc89694d1799a11"`
[INFO] [stdout] 1c8b8efddcbfd963c95f5be2988436ac38f8aab062160af6fcc89694d1799a11