[INFO] updating cached repository Vuzi/rust-tests
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Vuzi/rust-tests
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Vuzi/rust-tests" "work/ex/beta-1.38-1/sources/1.37.0/gh/Vuzi/rust-tests"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Vuzi/rust-tests'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Vuzi/rust-tests" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Vuzi/rust-tests"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Vuzi/rust-tests'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 07742e7ab9bed9528bcf9ecbb97ca26443f922e4
[INFO] sha for GitHub repo Vuzi/rust-tests: 07742e7ab9bed9528bcf9ecbb97ca26443f922e4
[INFO] validating manifest of Vuzi/rust-tests 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 Vuzi/rust-tests 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 Vuzi/rust-tests
[INFO] finished frobbing Vuzi/rust-tests
[INFO] frobbed toml for Vuzi/rust-tests written to work/ex/beta-1.38-1/sources/1.37.0/gh/Vuzi/rust-tests/Cargo.toml
[INFO] started frobbing Vuzi/rust-tests
[INFO] finished frobbing Vuzi/rust-tests
[INFO] frobbed toml for Vuzi/rust-tests written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Vuzi/rust-tests/Cargo.toml
[INFO] crate Vuzi/rust-tests 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 Vuzi/rust-tests against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Vuzi/rust-tests:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] ace377851baa4c33d705eb0e5df61b38caf536e3f26a633b0b3d3ace3968cc63
[INFO] running `"docker" "start" "-a" "ace377851baa4c33d705eb0e5df61b38caf536e3f26a633b0b3d3ace3968cc63"`
[INFO] [stderr]    Compiling chrono v0.2.25
[INFO] [stderr]    Compiling bubble_sort v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `sort`
[INFO] [stderr]   --> src/main.rs:59:1
[INFO] [stderr]    |
[INFO] [stderr] 59 | fn sort<T: Ord + Clone>(values: &mut[T], sorter: fn(&mut[T])) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.92s
[INFO] running `"docker" "inspect" "ace377851baa4c33d705eb0e5df61b38caf536e3f26a633b0b3d3ace3968cc63"`
[INFO] running `"docker" "rm" "-f" "ace377851baa4c33d705eb0e5df61b38caf536e3f26a633b0b3d3ace3968cc63"`
[INFO] [stdout] ace377851baa4c33d705eb0e5df61b38caf536e3f26a633b0b3d3ace3968cc63
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Vuzi/rust-tests:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 548554d87bdf32d4393173556646ca3d4153cb6caa713d50a9552bc01bc492b4
[INFO] running `"docker" "start" "-a" "548554d87bdf32d4393173556646ca3d4153cb6caa713d50a9552bc01bc492b4"`
[INFO] [stderr]    Compiling bubble_sort v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `sort`
[INFO] [stderr]   --> src/main.rs:59:1
[INFO] [stderr]    |
[INFO] [stderr] 59 | fn sort<T: Ord + Clone>(values: &mut[T], sorter: fn(&mut[T])) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `"docker" "inspect" "548554d87bdf32d4393173556646ca3d4153cb6caa713d50a9552bc01bc492b4"`
[INFO] running `"docker" "rm" "-f" "548554d87bdf32d4393173556646ca3d4153cb6caa713d50a9552bc01bc492b4"`
[INFO] [stdout] 548554d87bdf32d4393173556646ca3d4153cb6caa713d50a9552bc01bc492b4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Vuzi/rust-tests:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] e670550a14c7f3d6eacbc766f04486e32d23dbbf6282b5744c5710d767d9f27f
[INFO] running `"docker" "start" "-a" "e670550a14c7f3d6eacbc766f04486e32d23dbbf6282b5744c5710d767d9f27f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/bubble_sort-c368b239421952a0
[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" "e670550a14c7f3d6eacbc766f04486e32d23dbbf6282b5744c5710d767d9f27f"`
[INFO] running `"docker" "rm" "-f" "e670550a14c7f3d6eacbc766f04486e32d23dbbf6282b5744c5710d767d9f27f"`
[INFO] [stdout] e670550a14c7f3d6eacbc766f04486e32d23dbbf6282b5744c5710d767d9f27f