[INFO] crate shrev 1.1.1 is already in cache
[INFO] extracting crate shrev 1.1.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/shrev/1.1.1
[INFO] extracting crate shrev 1.1.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/shrev/1.1.1
[INFO] validating manifest of shrev-1.1.1 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 shrev-1.1.1 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 shrev-1.1.1
[INFO] finished frobbing shrev-1.1.1
[INFO] frobbed toml for shrev-1.1.1 written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/reg/shrev/1.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 shrev-1.1.1 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/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] ec7d5264d0342ae7394459d97ea20f345b75b0f58db1fb1f2cbbc577c885556e
[INFO] running `"docker" "start" "-a" "ec7d5264d0342ae7394459d97ea20f345b75b0f58db1fb1f2cbbc577c885556e"`
[INFO] [stderr]    Compiling shrev v1.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "ec7d5264d0342ae7394459d97ea20f345b75b0f58db1fb1f2cbbc577c885556e"`
[INFO] running `"docker" "rm" "-f" "ec7d5264d0342ae7394459d97ea20f345b75b0f58db1fb1f2cbbc577c885556e"`
[INFO] [stdout] ec7d5264d0342ae7394459d97ea20f345b75b0f58db1fb1f2cbbc577c885556e
[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/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] ad122ca818e2e36d53a2a8888b12d953ae40dae649193a7ae80c4953da8e06a6
[INFO] running `"docker" "start" "-a" "ad122ca818e2e36d53a2a8888b12d953ae40dae649193a7ae80c4953da8e06a6"`
[INFO] [stderr]    Compiling shrev v1.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.71s
[INFO] running `"docker" "inspect" "ad122ca818e2e36d53a2a8888b12d953ae40dae649193a7ae80c4953da8e06a6"`
[INFO] running `"docker" "rm" "-f" "ad122ca818e2e36d53a2a8888b12d953ae40dae649193a7ae80c4953da8e06a6"`
[INFO] [stdout] ad122ca818e2e36d53a2a8888b12d953ae40dae649193a7ae80c4953da8e06a6
[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/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] fb3fca8c4a8befb85bb1e6fb4a858fff4a7571864ed48e91f5ad74d71e711bef
[INFO] running `"docker" "start" "-a" "fb3fca8c4a8befb85bb1e6fb4a858fff4a7571864ed48e91f5ad74d71e711bef"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/shrev-e6acb62a77022d06
[INFO] [stdout] running 16 tests
[INFO] [stdout] test storage::tests::test_circular ... ok
[INFO] [stdout] test storage::tests::iter_write_empty ... ok
[INFO] [stdout] test storage::tests::test_empty_read_write_before_id ... ok
[INFO] [stdout] test storage::tests::test_empty_read ... 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 storage::tests::test_send_sync ... ok
[INFO] [stdout] test tests::test_example ... ok
[INFO] [stdout] test storage::tests::test_write_slice ... ok
[INFO] [stdout] test storage::tests::test_write_overflow ... ok
[INFO] [stdout] test storage::tests::test_prevent_excess_growth ... ok
[INFO] [stdout] test storage::tests::test_too_large_write ... ok
[INFO] [stdout] test storage::tests::test_size ... ok
[INFO] [stdout] test tests::test_read_write ... 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-2bf39246bb405eba
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test event_iterator_bounds ... ok
[INFO] [stdout] test event_channel_bounds ... ok
[INFO] [stdout] test reader_id_bounds ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/would_write-08298d1ed7e93adc
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test naive_positive ... ok
[INFO] [stdout] test recreated ... ok
[INFO] [stderr]    Doc-tests shrev
[INFO] [stdout] test all_dropped ... ok
[INFO] [stdout] test naive_negative ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "fb3fca8c4a8befb85bb1e6fb4a858fff4a7571864ed48e91f5ad74d71e711bef"`
[INFO] running `"docker" "rm" "-f" "fb3fca8c4a8befb85bb1e6fb4a858fff4a7571864ed48e91f5ad74d71e711bef"`
[INFO] [stdout] fb3fca8c4a8befb85bb1e6fb4a858fff4a7571864ed48e91f5ad74d71e711bef