[INFO] updating cached repository amilajack/rust-algos
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/amilajack/rust-algos
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/amilajack/rust-algos" "work/ex/beta-1.37-6/sources/1.36.0/gh/amilajack/rust-algos"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/amilajack/rust-algos'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/amilajack/rust-algos" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/amilajack/rust-algos"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/amilajack/rust-algos'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3ddc9195f0689b631bfdd97dd878adb04574f7b9
[INFO] sha for GitHub repo amilajack/rust-algos: 3ddc9195f0689b631bfdd97dd878adb04574f7b9
[INFO] validating manifest of amilajack/rust-algos on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of amilajack/rust-algos on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing amilajack/rust-algos
[INFO] finished frobbing amilajack/rust-algos
[INFO] frobbed toml for amilajack/rust-algos written to work/ex/beta-1.37-6/sources/1.36.0/gh/amilajack/rust-algos/Cargo.toml
[INFO] started frobbing amilajack/rust-algos
[INFO] finished frobbing amilajack/rust-algos
[INFO] frobbed toml for amilajack/rust-algos written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/amilajack/rust-algos/Cargo.toml
[INFO] crate amilajack/rust-algos already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing amilajack/rust-algos against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/amilajack/rust-algos:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 15970c70a01470ca7ef46849b2bafb7f60671837b005efc9ceb2e781f1e9abc9
[INFO] running `"docker" "start" "-a" "15970c70a01470ca7ef46849b2bafb7f60671837b005efc9ceb2e781f1e9abc9"`
[INFO] [stderr]    Compiling algos v0.1.0 (/opt/crater/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 1.08s
[INFO] running `"docker" "inspect" "15970c70a01470ca7ef46849b2bafb7f60671837b005efc9ceb2e781f1e9abc9"`
[INFO] running `"docker" "rm" "-f" "15970c70a01470ca7ef46849b2bafb7f60671837b005efc9ceb2e781f1e9abc9"`
[INFO] [stdout] 15970c70a01470ca7ef46849b2bafb7f60671837b005efc9ceb2e781f1e9abc9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/amilajack/rust-algos:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] e344c47fb386e256ccba9b94c4921046ebf0c9cb011ea34100d07b66eb62923b
[INFO] running `"docker" "start" "-a" "e344c47fb386e256ccba9b94c4921046ebf0c9cb011ea34100d07b66eb62923b"`
[INFO] [stderr]    Compiling algos v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "e344c47fb386e256ccba9b94c4921046ebf0c9cb011ea34100d07b66eb62923b"`
[INFO] running `"docker" "rm" "-f" "e344c47fb386e256ccba9b94c4921046ebf0c9cb011ea34100d07b66eb62923b"`
[INFO] [stdout] e344c47fb386e256ccba9b94c4921046ebf0c9cb011ea34100d07b66eb62923b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/amilajack/rust-algos:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] b42c878af8aa4cc23774d875119c66e919345dfc8b169ffffe9c6893eed93cfa
[INFO] running `"docker" "start" "-a" "b42c878af8aa4cc23774d875119c66e919345dfc8b169ffffe9c6893eed93cfa"`
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/algos-4393235b56b22b45
[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" "b42c878af8aa4cc23774d875119c66e919345dfc8b169ffffe9c6893eed93cfa"`
[INFO] running `"docker" "rm" "-f" "b42c878af8aa4cc23774d875119c66e919345dfc8b169ffffe9c6893eed93cfa"`
[INFO] [stdout] b42c878af8aa4cc23774d875119c66e919345dfc8b169ffffe9c6893eed93cfa