[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-1.38-1/sources/1.37.0/gh/amilajack/rust-algos"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/amilajack/rust-algos'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/amilajack/rust-algos" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/amilajack/rust-algos"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of amilajack/rust-algos on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing amilajack/rust-algos against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 86b62a46c82115ba864e3d43b129c5bc7eaf431f1b6fbd6e314f4837a7e51f13
[INFO] running `"docker" "start" "-a" "86b62a46c82115ba864e3d43b129c5bc7eaf431f1b6fbd6e314f4837a7e51f13"`
[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 0.89s
[INFO] running `"docker" "inspect" "86b62a46c82115ba864e3d43b129c5bc7eaf431f1b6fbd6e314f4837a7e51f13"`
[INFO] running `"docker" "rm" "-f" "86b62a46c82115ba864e3d43b129c5bc7eaf431f1b6fbd6e314f4837a7e51f13"`
[INFO] [stdout] 86b62a46c82115ba864e3d43b129c5bc7eaf431f1b6fbd6e314f4837a7e51f13
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 61b46af587bd29effd9945d765d43c24dbc1d54d70e1ed8dcc9258d3994b5210
[INFO] running `"docker" "start" "-a" "61b46af587bd29effd9945d765d43c24dbc1d54d70e1ed8dcc9258d3994b5210"`
[INFO] [stderr]    Compiling algos v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `"docker" "inspect" "61b46af587bd29effd9945d765d43c24dbc1d54d70e1ed8dcc9258d3994b5210"`
[INFO] running `"docker" "rm" "-f" "61b46af587bd29effd9945d765d43c24dbc1d54d70e1ed8dcc9258d3994b5210"`
[INFO] [stdout] 61b46af587bd29effd9945d765d43c24dbc1d54d70e1ed8dcc9258d3994b5210
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 6a4c19d3ef80e4d20b9ce8b2ca576304af55a7048dd75d3db6bf8ae941148b33
[INFO] running `"docker" "start" "-a" "6a4c19d3ef80e4d20b9ce8b2ca576304af55a7048dd75d3db6bf8ae941148b33"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/algos-ce745e9d3e1a1dc8
[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" "6a4c19d3ef80e4d20b9ce8b2ca576304af55a7048dd75d3db6bf8ae941148b33"`
[INFO] running `"docker" "rm" "-f" "6a4c19d3ef80e4d20b9ce8b2ca576304af55a7048dd75d3db6bf8ae941148b33"`
[INFO] [stdout] 6a4c19d3ef80e4d20b9ce8b2ca576304af55a7048dd75d3db6bf8ae941148b33