[INFO] crate shrev 1.1.1 is already in cache
[INFO] extracting crate shrev 1.1.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/shrev/1.1.1
[INFO] extracting crate shrev 1.1.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/shrev/1.1.1
[INFO] validating manifest of shrev-1.1.1 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 shrev-1.1.1 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 shrev-1.1.1
[INFO] finished frobbing shrev-1.1.1
[INFO] frobbed toml for shrev-1.1.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/shrev/1.1.1/Cargo.toml
[INFO] started frobbing shrev-1.1.1
[INFO] finished frobbing shrev-1.1.1
[INFO] frobbed toml for shrev-1.1.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/shrev/1.1.1/Cargo.toml
[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 shrev-1.1.1 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/shrev/1.1.1:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 6b6382ea56a31a7dc7b5ddc594d4d4b4d8a1877f11dd46131e46f61a41d23b6d
[INFO] running `"docker" "start" "-a" "6b6382ea56a31a7dc7b5ddc594d4d4b4d8a1877f11dd46131e46f61a41d23b6d"`
[INFO] [stderr]    Compiling shrev v1.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `"docker" "inspect" "6b6382ea56a31a7dc7b5ddc594d4d4b4d8a1877f11dd46131e46f61a41d23b6d"`
[INFO] running `"docker" "rm" "-f" "6b6382ea56a31a7dc7b5ddc594d4d4b4d8a1877f11dd46131e46f61a41d23b6d"`
[INFO] [stdout] 6b6382ea56a31a7dc7b5ddc594d4d4b4d8a1877f11dd46131e46f61a41d23b6d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/shrev/1.1.1:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] efdd17ecb7ce011697c784011b9e11510e83bb8273a8eb25208d6c6b77c8617b
[INFO] running `"docker" "start" "-a" "efdd17ecb7ce011697c784011b9e11510e83bb8273a8eb25208d6c6b77c8617b"`
[INFO] [stderr]    Compiling shrev v1.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.12s
[INFO] running `"docker" "inspect" "efdd17ecb7ce011697c784011b9e11510e83bb8273a8eb25208d6c6b77c8617b"`
[INFO] running `"docker" "rm" "-f" "efdd17ecb7ce011697c784011b9e11510e83bb8273a8eb25208d6c6b77c8617b"`
[INFO] [stdout] efdd17ecb7ce011697c784011b9e11510e83bb8273a8eb25208d6c6b77c8617b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/shrev/1.1.1:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 7ace671ab7a47d68c201addff6cf85780ea896729fb9f40d6f451a653c27202e
[INFO] running `"docker" "start" "-a" "7ace671ab7a47d68c201addff6cf85780ea896729fb9f40d6f451a653c27202e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/shrev-7b078822503f2c75
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test storage::tests::test_empty_read_write_before_id ... ok
[INFO] [stdout] test storage::tests::test_prevent_excess_growth ... ok
[INFO] [stdout] test storage::tests::test_empty_read ... ok
[INFO] [stdout] test storage::tests::test_circular ... ok
[INFO] [stdout] test storage::tests::test_send_sync ... ok
[INFO] [stdout] test storage::tests::iter_write_empty ... ok
[INFO] [stdout] test storage::tests::test_reader_reuse ... ok
[INFO] [stdout] test storage::tests::test_empty_write ... ok
[INFO] [stdout] test storage::tests::test_read ... ok
[INFO] [stdout] test tests::test_read_write ... ok
[INFO] [stdout] test tests::test_example ... ok
[INFO] [stdout] test storage::tests::test_write_overflow ... ok
[INFO] [stdout] test storage::tests::test_write_slice ... ok
[INFO] [stdout] test storage::tests::test_too_large_write ... ok
[INFO] [stdout] test storage::tests::test_size ... ok
[INFO] [stdout] test tests::test_grow ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/bounds-70bd1b23ba949775
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test event_channel_bounds ... ok
[INFO] [stdout] test event_iterator_bounds ... ok
[INFO] [stdout] test reader_id_bounds ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/would_write-3f47bca590cef871
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test naive_positive ... ok
[INFO] [stdout] test naive_negative ... ok
[INFO] [stdout] test recreated ... ok
[INFO] [stdout] test all_dropped ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests shrev
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - EventChannel (line 50) ... 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" "7ace671ab7a47d68c201addff6cf85780ea896729fb9f40d6f451a653c27202e"`
[INFO] running `"docker" "rm" "-f" "7ace671ab7a47d68c201addff6cf85780ea896729fb9f40d6f451a653c27202e"`
[INFO] [stdout] 7ace671ab7a47d68c201addff6cf85780ea896729fb9f40d6f451a653c27202e