[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 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/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 0162d00f1ffbbaa2f412ee53892c69b682167203d7dcd6cab7152e5171cfdd56
[INFO] running `"docker" "start" "-a" "0162d00f1ffbbaa2f412ee53892c69b682167203d7dcd6cab7152e5171cfdd56"`
[INFO] [stderr]    Compiling num v0.1.36
[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 2.99s
[INFO] running `"docker" "inspect" "0162d00f1ffbbaa2f412ee53892c69b682167203d7dcd6cab7152e5171cfdd56"`
[INFO] running `"docker" "rm" "-f" "0162d00f1ffbbaa2f412ee53892c69b682167203d7dcd6cab7152e5171cfdd56"`
[INFO] [stdout] 0162d00f1ffbbaa2f412ee53892c69b682167203d7dcd6cab7152e5171cfdd56
[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/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] e4173544b578c709b278a3175572c7b7a0283fb3e9e106beea98dcb040d73997
[INFO] running `"docker" "start" "-a" "e4173544b578c709b278a3175572c7b7a0283fb3e9e106beea98dcb040d73997"`
[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 0.45s
[INFO] running `"docker" "inspect" "e4173544b578c709b278a3175572c7b7a0283fb3e9e106beea98dcb040d73997"`
[INFO] running `"docker" "rm" "-f" "e4173544b578c709b278a3175572c7b7a0283fb3e9e106beea98dcb040d73997"`
[INFO] [stdout] e4173544b578c709b278a3175572c7b7a0283fb3e9e106beea98dcb040d73997
[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/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 940c0f22a6db54466e83a5b0549cb0c3cdda5ac5daf6f869744231447a69c5cb
[INFO] running `"docker" "start" "-a" "940c0f22a6db54466e83a5b0549cb0c3cdda5ac5daf6f869744231447a69c5cb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/bubble_sort-72be3536596ffee3
[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" "940c0f22a6db54466e83a5b0549cb0c3cdda5ac5daf6f869744231447a69c5cb"`
[INFO] running `"docker" "rm" "-f" "940c0f22a6db54466e83a5b0549cb0c3cdda5ac5daf6f869744231447a69c5cb"`
[INFO] [stdout] 940c0f22a6db54466e83a5b0549cb0c3cdda5ac5daf6f869744231447a69c5cb