[INFO] updating cached repository matsadler/halton
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/matsadler/halton
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/matsadler/halton" "work/ex/beta-1.38-1/sources/1.37.0/gh/matsadler/halton"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/matsadler/halton'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/matsadler/halton" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/matsadler/halton"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/matsadler/halton'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3317225afec620a1103326ea0e8dc909d485018c
[INFO] sha for GitHub repo matsadler/halton: 3317225afec620a1103326ea0e8dc909d485018c
[INFO] validating manifest of matsadler/halton 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 matsadler/halton 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 matsadler/halton
[INFO] finished frobbing matsadler/halton
[INFO] frobbed toml for matsadler/halton written to work/ex/beta-1.38-1/sources/1.37.0/gh/matsadler/halton/Cargo.toml
[INFO] started frobbing matsadler/halton
[INFO] finished frobbing matsadler/halton
[INFO] frobbed toml for matsadler/halton written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/matsadler/halton/Cargo.toml
[INFO] crate matsadler/halton 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 matsadler/halton 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-2/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/matsadler/halton:/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] 340259bc7f69aa99379c9ca542ae9fd55cdb1b9f24f553f79ae1673bbc6a686f
[INFO] running `"docker" "start" "-a" "340259bc7f69aa99379c9ca542ae9fd55cdb1b9f24f553f79ae1673bbc6a686f"`
[INFO] [stderr]    Compiling halton v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `"docker" "inspect" "340259bc7f69aa99379c9ca542ae9fd55cdb1b9f24f553f79ae1673bbc6a686f"`
[INFO] running `"docker" "rm" "-f" "340259bc7f69aa99379c9ca542ae9fd55cdb1b9f24f553f79ae1673bbc6a686f"`
[INFO] [stdout] 340259bc7f69aa99379c9ca542ae9fd55cdb1b9f24f553f79ae1673bbc6a686f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/matsadler/halton:/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] bc69c971c4009e7b0019e7b2d7887c597213a6d5a66a9b4df681a8b5a8578c11
[INFO] running `"docker" "start" "-a" "bc69c971c4009e7b0019e7b2d7887c597213a6d5a66a9b4df681a8b5a8578c11"`
[INFO] [stderr]    Compiling halton v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.11s
[INFO] running `"docker" "inspect" "bc69c971c4009e7b0019e7b2d7887c597213a6d5a66a9b4df681a8b5a8578c11"`
[INFO] running `"docker" "rm" "-f" "bc69c971c4009e7b0019e7b2d7887c597213a6d5a66a9b4df681a8b5a8578c11"`
[INFO] [stdout] bc69c971c4009e7b0019e7b2d7887c597213a6d5a66a9b4df681a8b5a8578c11
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/matsadler/halton:/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] 70bad15086783b9fc8d1d2d87404a3d1591171d886230c18fe5cc7753761ae4e
[INFO] running `"docker" "start" "-a" "70bad15086783b9fc8d1d2d87404a3d1591171d886230c18fe5cc7753761ae4e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/halton-4b633a4ed07ec928
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::skip_last ... ok
[INFO] [stdout] test tests::skip_base_3 ... ok
[INFO] [stdout] test tests::skip_base_2 ... ok
[INFO] [stdout] test tests::iter ... ok
[INFO] [stdout] test tests::base_3 ... ok
[INFO] [stdout] test tests::base_2 ... ok
[INFO] [stdout] test tests::last ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests halton
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - Sequence (line 52) ... ok
[INFO] [stdout] test src/lib.rs - Sequence::skip (line 118) ... ok
[INFO] [stdout] test src/lib.rs - Sequence (line 64) ... ok
[INFO] [stdout] test src/lib.rs - Sequence (line 74) ... ok
[INFO] [stdout] test src/lib.rs - Sequence::new (line 95) ... ok
[INFO] [stdout] test src/lib.rs -  (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "70bad15086783b9fc8d1d2d87404a3d1591171d886230c18fe5cc7753761ae4e"`
[INFO] running `"docker" "rm" "-f" "70bad15086783b9fc8d1d2d87404a3d1591171d886230c18fe5cc7753761ae4e"`
[INFO] [stdout] 70bad15086783b9fc8d1d2d87404a3d1591171d886230c18fe5cc7753761ae4e