[INFO] updating cached repository aaronbolyard/test_console_colors
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/aaronbolyard/test_console_colors
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/aaronbolyard/test_console_colors" "work/ex/beta-1.37-6/sources/1.36.0/gh/aaronbolyard/test_console_colors"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/aaronbolyard/test_console_colors'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/aaronbolyard/test_console_colors" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/aaronbolyard/test_console_colors"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/aaronbolyard/test_console_colors'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4ef36bca47f4398430a4d3f7606546d16656d4af
[INFO] sha for GitHub repo aaronbolyard/test_console_colors: 4ef36bca47f4398430a4d3f7606546d16656d4af
[INFO] validating manifest of aaronbolyard/test_console_colors 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 aaronbolyard/test_console_colors 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 aaronbolyard/test_console_colors
[INFO] finished frobbing aaronbolyard/test_console_colors
[INFO] frobbed toml for aaronbolyard/test_console_colors written to work/ex/beta-1.37-6/sources/1.36.0/gh/aaronbolyard/test_console_colors/Cargo.toml
[INFO] started frobbing aaronbolyard/test_console_colors
[INFO] finished frobbing aaronbolyard/test_console_colors
[INFO] frobbed toml for aaronbolyard/test_console_colors written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/aaronbolyard/test_console_colors/Cargo.toml
[INFO] crate aaronbolyard/test_console_colors 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/aaronbolyard/test_console_colors/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 aaronbolyard/test_console_colors 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/aaronbolyard/test_console_colors:/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] 2e178da62acc860e3c9fd2a9e3dcbacc78729fdb6190613a357f0b5ca50e4b18
[INFO] running `"docker" "start" "-a" "2e178da62acc860e3c9fd2a9e3dcbacc78729fdb6190613a357f0b5ca50e4b18"`
[INFO] [stderr]    Compiling test_console_colors v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `thread_rng`
[INFO] [stderr]  --> src/main.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 | use rand::{thread_rng, Rng};
[INFO] [stderr]   |            ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.02s
[INFO] running `"docker" "inspect" "2e178da62acc860e3c9fd2a9e3dcbacc78729fdb6190613a357f0b5ca50e4b18"`
[INFO] running `"docker" "rm" "-f" "2e178da62acc860e3c9fd2a9e3dcbacc78729fdb6190613a357f0b5ca50e4b18"`
[INFO] [stdout] 2e178da62acc860e3c9fd2a9e3dcbacc78729fdb6190613a357f0b5ca50e4b18
[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/aaronbolyard/test_console_colors:/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] 838028019ebcb71cbbe28a7d14c136c0f93699764cf473f5c80ce1987d21b93a
[INFO] running `"docker" "start" "-a" "838028019ebcb71cbbe28a7d14c136c0f93699764cf473f5c80ce1987d21b93a"`
[INFO] [stderr]    Compiling test_console_colors v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `thread_rng`
[INFO] [stderr]  --> src/main.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 | use rand::{thread_rng, Rng};
[INFO] [stderr]   |            ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `"docker" "inspect" "838028019ebcb71cbbe28a7d14c136c0f93699764cf473f5c80ce1987d21b93a"`
[INFO] running `"docker" "rm" "-f" "838028019ebcb71cbbe28a7d14c136c0f93699764cf473f5c80ce1987d21b93a"`
[INFO] [stdout] 838028019ebcb71cbbe28a7d14c136c0f93699764cf473f5c80ce1987d21b93a
[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/aaronbolyard/test_console_colors:/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] 7d5dc5b5b0eb2ef987d983d435bb36eaead39015c70584bb1c12f286de1efa77
[INFO] running `"docker" "start" "-a" "7d5dc5b5b0eb2ef987d983d435bb36eaead39015c70584bb1c12f286de1efa77"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/test_console_colors-2d80a4cad3d63cbb
[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" "7d5dc5b5b0eb2ef987d983d435bb36eaead39015c70584bb1c12f286de1efa77"`
[INFO] running `"docker" "rm" "-f" "7d5dc5b5b0eb2ef987d983d435bb36eaead39015c70584bb1c12f286de1efa77"`
[INFO] [stdout] 7d5dc5b5b0eb2ef987d983d435bb36eaead39015c70584bb1c12f286de1efa77