[INFO] crate mbox 0.4.4 is already in cache
[INFO] testing mbox-0.4.4 against 1.38.0 for beta-1.39-1
[INFO] extracting crate mbox 0.4.4 into work/builds/worker-3/source
[INFO] validating manifest of crates.io crate mbox 0.4.4 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate mbox 0.4.4
[INFO] finished tweaking crates.io crate mbox 0.4.4
[INFO] tweaked toml for crates.io crate mbox 0.4.4 written to work/builds/worker-3/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 37a19a80b7cc8e2ed1cb58bf178461498eadf195c149f4736264c2030ce4f1e3
[INFO] running `"docker" "start" "-a" "37a19a80b7cc8e2ed1cb58bf178461498eadf195c149f4736264c2030ce4f1e3"`
[INFO] [stderr]    Compiling mbox v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `"docker" "inspect" "37a19a80b7cc8e2ed1cb58bf178461498eadf195c149f4736264c2030ce4f1e3"`
[INFO] running `"docker" "rm" "-f" "37a19a80b7cc8e2ed1cb58bf178461498eadf195c149f4736264c2030ce4f1e3"`
[INFO] [stdout] 37a19a80b7cc8e2ed1cb58bf178461498eadf195c149f4736264c2030ce4f1e3
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 070fb6b5f5541653d4a0d0fa5dfae5da6ad56ed7856a4aaa849a11a40650d16b
[INFO] running `"docker" "start" "-a" "070fb6b5f5541653d4a0d0fa5dfae5da6ad56ed7856a4aaa849a11a40650d16b"`
[INFO] [stderr]    Compiling mbox v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `"docker" "inspect" "070fb6b5f5541653d4a0d0fa5dfae5da6ad56ed7856a4aaa849a11a40650d16b"`
[INFO] running `"docker" "rm" "-f" "070fb6b5f5541653d4a0d0fa5dfae5da6ad56ed7856a4aaa849a11a40650d16b"`
[INFO] [stdout] 070fb6b5f5541653d4a0d0fa5dfae5da6ad56ed7856a4aaa849a11a40650d16b
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 7b533dd30298fe83d3ac3fa97dad436f41967a2d521069c54423d626c455c9bd
[INFO] running `"docker" "start" "-a" "7b533dd30298fe83d3ac3fa97dad436f41967a2d521069c54423d626c455c9bd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mbox-37e4571df26dfde9
[INFO] [stdout] 
[INFO] [stdout] running 35 tests
[INFO] [stdout] test mbox::test_clone_from ... ok
[INFO] [stdout] test mbox::test_clone ... ok
[INFO] [stdout] test mbox::test_default_str ... ok
[INFO] [stdout] test mbox::test_clone_slice ... ok
[INFO] [stdout] test mbox::test_empty_slice ... ok
[INFO] [stdout] test mbox::test_into_iterator ... ok
[INFO] [stdout] test mbox::test_into_raw ... ok
[INFO] [stdout] test mbox::test_from_iterator ... ok
[INFO] [stdout] test mbox::test_format ... ok
[INFO] [stdout] test mbox::test_iter_drop ... ok
[INFO] [stdout] test mbox::test_iter_properties ... ok
[INFO] [stdout] test mbox::test_non_zero ... ok
[INFO] [stdout] test mbox::test_non_utf8 ... ok
[INFO] [stdout] test mbox::test_no_drop_flag ... ok
[INFO] [stdout] test mbox::test_single_object ... ok
[INFO] [stdout] test mbox::test_slice_with_drops ... ok
[INFO] [stdout] test mbox::test_slice ... ok
[INFO] [stdout] test mbox::test_standard_traits ... ok
[INFO] [stdout] test mbox::test_string_from_bytes ... ok
[INFO] [stdout] test mbox::test_zero_sized_type ... ok
[INFO] [stdout] test mbox::test_zst_slice ... ok
[INFO] [stdout] test sentinel::test_array ... ok
[INFO] [stdout] test sentinel::test_array_into_mbox ... ok
[INFO] [stdout] test sentinel::test_array_with_drop ... ok
[INFO] [stdout] test sentinel::test_default_string ... ok
[INFO] [stdout] test sentinel::test_c_str ... ok
[INFO] [stdout] test sentinel::test_default_array ... ok
[INFO] [stdout] test sentinel::test_hash_array ... ok
[INFO] [stdout] test sentinel::test_non_utf8_string ... ok
[INFO] [stdout] test sentinel::test_hash_string ... ok
[INFO] [stdout] test sentinel::test_string ... ok
[INFO] [stdout] test sentinel::test_string_into_mbox ... ok
[INFO] [stdout] test mbox::test_panic_during_clone ... ok
[INFO] [stdout] test mbox::test_panic_on_clone_slice ... ok
[INFO] [stdout] test mbox::test_panic_during_clone_from ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 35 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mbox
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "7b533dd30298fe83d3ac3fa97dad436f41967a2d521069c54423d626c455c9bd"`
[INFO] running `"docker" "rm" "-f" "7b533dd30298fe83d3ac3fa97dad436f41967a2d521069c54423d626c455c9bd"`
[INFO] [stdout] 7b533dd30298fe83d3ac3fa97dad436f41967a2d521069c54423d626c455c9bd