[INFO] updating cached repository https://github.com/amilajack/rust-algos
[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] 3ddc9195f0689b631bfdd97dd878adb04574f7b9
[INFO] testing amilajack/rust-algos against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Familajack%2Frust-algos" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/amilajack/rust-algos 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/amilajack/rust-algos
[INFO] finished tweaking git repo https://github.com/amilajack/rust-algos
[INFO] tweaked toml for git repo https://github.com/amilajack/rust-algos written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/amilajack/rust-algos 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/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] 54865490a2f5b3f7e7e12ad3bff61cc17ddc9126df067f8abfc8c2586e8db10d
[INFO] running `"docker" "start" "-a" "54865490a2f5b3f7e7e12ad3bff61cc17ddc9126df067f8abfc8c2586e8db10d"`
[INFO] [stderr]    Compiling algos v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `is_prime`
[INFO] [stderr]   --> src/math.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub fn is_prime(a: u32) -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `"docker" "inspect" "54865490a2f5b3f7e7e12ad3bff61cc17ddc9126df067f8abfc8c2586e8db10d"`
[INFO] running `"docker" "rm" "-f" "54865490a2f5b3f7e7e12ad3bff61cc17ddc9126df067f8abfc8c2586e8db10d"`
[INFO] [stdout] 54865490a2f5b3f7e7e12ad3bff61cc17ddc9126df067f8abfc8c2586e8db10d
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/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] c7fabb0b83e1ae269c796a7b3741ffbca5f742c9b40882184c048bf7fbd6498c
[INFO] running `"docker" "start" "-a" "c7fabb0b83e1ae269c796a7b3741ffbca5f742c9b40882184c048bf7fbd6498c"`
[INFO] [stderr]    Compiling algos v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `"docker" "inspect" "c7fabb0b83e1ae269c796a7b3741ffbca5f742c9b40882184c048bf7fbd6498c"`
[INFO] running `"docker" "rm" "-f" "c7fabb0b83e1ae269c796a7b3741ffbca5f742c9b40882184c048bf7fbd6498c"`
[INFO] [stdout] c7fabb0b83e1ae269c796a7b3741ffbca5f742c9b40882184c048bf7fbd6498c
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/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] fe7154d11ce32643eb54766f44290f37543f7c3b30519a6bf1beab92727e3734
[INFO] running `"docker" "start" "-a" "fe7154d11ce32643eb54766f44290f37543f7c3b30519a6bf1beab92727e3734"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/algos-079ebb8b42efab75
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test math::test::test_prime ... ok
[INFO] [stdout] test math::test::test_euclidea_gcd ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "fe7154d11ce32643eb54766f44290f37543f7c3b30519a6bf1beab92727e3734"`
[INFO] running `"docker" "rm" "-f" "fe7154d11ce32643eb54766f44290f37543f7c3b30519a6bf1beab92727e3734"`
[INFO] [stdout] fe7154d11ce32643eb54766f44290f37543f7c3b30519a6bf1beab92727e3734