[INFO] updating cached repository mandober/rust-maybe-type
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mandober/rust-maybe-type
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mandober/rust-maybe-type" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/mandober/rust-maybe-type"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/mandober/rust-maybe-type'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mandober/rust-maybe-type" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/mandober/rust-maybe-type"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/mandober/rust-maybe-type'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4a30396b6d4105cda4807018011c782afe17ebbd
[INFO] sha for GitHub repo mandober/rust-maybe-type: 4a30396b6d4105cda4807018011c782afe17ebbd
[INFO] validating manifest of mandober/rust-maybe-type on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mandober/rust-maybe-type on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mandober/rust-maybe-type
[INFO] finished frobbing mandober/rust-maybe-type
[INFO] frobbed toml for mandober/rust-maybe-type written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/mandober/rust-maybe-type/Cargo.toml
[INFO] started frobbing mandober/rust-maybe-type
[INFO] finished frobbing mandober/rust-maybe-type
[INFO] frobbed toml for mandober/rust-maybe-type written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/mandober/rust-maybe-type/Cargo.toml
[INFO] crate mandober/rust-maybe-type has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing mandober/rust-maybe-type against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/mandober/rust-maybe-type:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] 26eb58dde97c00dc52dda71a8d606e5baf10ba6ee66d8627dfc9cca1717c7227
[INFO] running `"docker" "start" "-a" "26eb58dde97c00dc52dda71a8d606e5baf10ba6ee66d8627dfc9cca1717c7227"`
[INFO] [stderr]    Compiling maybe v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `"docker" "inspect" "26eb58dde97c00dc52dda71a8d606e5baf10ba6ee66d8627dfc9cca1717c7227"`
[INFO] running `"docker" "rm" "-f" "26eb58dde97c00dc52dda71a8d606e5baf10ba6ee66d8627dfc9cca1717c7227"`
[INFO] [stdout] 26eb58dde97c00dc52dda71a8d606e5baf10ba6ee66d8627dfc9cca1717c7227
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/mandober/rust-maybe-type:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] f23ba2819b19e4936e1f4e9aa97c90b11f57df4bed21ac777942a1da70b990f1
[INFO] running `"docker" "start" "-a" "f23ba2819b19e4936e1f4e9aa97c90b11f57df4bed21ac777942a1da70b990f1"`
[INFO] [stderr]    Compiling maybe v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `"docker" "inspect" "f23ba2819b19e4936e1f4e9aa97c90b11f57df4bed21ac777942a1da70b990f1"`
[INFO] running `"docker" "rm" "-f" "f23ba2819b19e4936e1f4e9aa97c90b11f57df4bed21ac777942a1da70b990f1"`
[INFO] [stdout] f23ba2819b19e4936e1f4e9aa97c90b11f57df4bed21ac777942a1da70b990f1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/mandober/rust-maybe-type:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] 62f56a527a3124a36d08a5bc1d7620e64c938038da3e7a313b93fee7881e8bf7
[INFO] running `"docker" "start" "-a" "62f56a527a3124a36d08a5bc1d7620e64c938038da3e7a313b93fee7881e8bf7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/maybe-507f62e33283578b
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test maybe::test::and ... ok
[INFO] [stdout] test maybe::test::and_then ... ok
[INFO] [stdout] test maybe::test::get_or_insert ... ok
[INFO] [stdout] test maybe::test::fuzzy ... ok
[INFO] [stdout] test maybe::test::cloned ... ok
[INFO] [stdout] test maybe::test::inner ... ok
[INFO] [stdout] test maybe::test::is_just_or_nothing ... ok
[INFO] [stdout] test maybe::test::as_mut ... ok
[INFO] [stdout] test maybe::test::as_ref ... ok
[INFO] [stdout] test maybe::test::unwrap_or ... ok
[INFO] [stdout] test maybe::test::unwrap_or_default ... ok
[INFO] [stdout] test maybe::test::taken ... ok
[INFO] [stdout] test maybe::test::maps ... ok
[INFO] [stdout] test maybe::test::unwrap_or_else ... ok
[INFO] [stdout] test maybe::test::iter ... ok
[INFO] [stdout] test maybe::test::unwrap_fails ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "62f56a527a3124a36d08a5bc1d7620e64c938038da3e7a313b93fee7881e8bf7"`
[INFO] running `"docker" "rm" "-f" "62f56a527a3124a36d08a5bc1d7620e64c938038da3e7a313b93fee7881e8bf7"`
[INFO] [stdout] 62f56a527a3124a36d08a5bc1d7620e64c938038da3e7a313b93fee7881e8bf7