[INFO] fetching crate subset 0.3.0...
[INFO] extracting crate subset 0.3.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/subset/0.3.0
[INFO] extracting crate subset 0.3.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/subset/0.3.0
[INFO] validating manifest of subset-0.3.0 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 subset-0.3.0 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 subset-0.3.0
[INFO] finished frobbing subset-0.3.0
[INFO] frobbed toml for subset-0.3.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/subset/0.3.0/Cargo.toml
[INFO] started frobbing subset-0.3.0
[INFO] finished frobbing subset-0.3.0
[INFO] frobbed toml for subset-0.3.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/subset/0.3.0/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing subset-0.3.0 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-4/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/subset/0.3.0:/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] 697289c94e75a54ade06c60aaa4ba63466510aad10e115fd6c432fa4e352c86b
[INFO] running `"docker" "start" "-a" "697289c94e75a54ade06c60aaa4ba63466510aad10e115fd6c432fa4e352c86b"`
[INFO] [stderr]    Compiling subset v0.3.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `"docker" "inspect" "697289c94e75a54ade06c60aaa4ba63466510aad10e115fd6c432fa4e352c86b"`
[INFO] running `"docker" "rm" "-f" "697289c94e75a54ade06c60aaa4ba63466510aad10e115fd6c432fa4e352c86b"`
[INFO] [stdout] 697289c94e75a54ade06c60aaa4ba63466510aad10e115fd6c432fa4e352c86b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/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/subset/0.3.0:/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] 5009222dff837a25118de675abc64557038ac8a9ca77897568be02427aecf118
[INFO] running `"docker" "start" "-a" "5009222dff837a25118de675abc64557038ac8a9ca77897568be02427aecf118"`
[INFO] [stderr]    Compiling subset v0.3.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `"docker" "inspect" "5009222dff837a25118de675abc64557038ac8a9ca77897568be02427aecf118"`
[INFO] running `"docker" "rm" "-f" "5009222dff837a25118de675abc64557038ac8a9ca77897568be02427aecf118"`
[INFO] [stdout] 5009222dff837a25118de675abc64557038ac8a9ca77897568be02427aecf118
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/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/subset/0.3.0:/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] ddcf5c6f2dfb48a001942993352c35c7536f29e07d34760eb3d6aef4c84fab5b
[INFO] running `"docker" "start" "-a" "ddcf5c6f2dfb48a001942993352c35c7536f29e07d34760eb3d6aef4c84fab5b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/subset-4e09463597c01528
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test unique::tests::test_mut ... ok
[INFO] [stdout] test multi::tests::test_set ... ok
[INFO] [stdout] test multi::tests::test_mut ... ok
[INFO] [stdout] test unique::tests::test_set ... 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 subset
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/multi/mod.rs - multi (line 6) ... ignored
[INFO] [stdout] test src/multi/mod.rs - multi (line 22) ... ok
[INFO] [stdout] test src/multi/mod.rs - multi::Subset::new (line 85) ... ok
[INFO] [stdout] test src/multi/mod.rs - multi::SubsetMut::is_unique (line 262) ... ok
[INFO] [stdout] test src/unique/mod.rs - unique::Subset::new (line 61) ... ok
[INFO] [stdout] test src/unique/mod.rs - unique::SubsetMut::new (line 160) ... ok
[INFO] [stdout] test src/multi/mod.rs - multi::SubsetMut::new (line 221) ... ok
[INFO] [stdout] test src/multi/mod.rs - multi::Subset::is_unique (line 125) ... ok
[INFO] [stdout] test src/unique/mod.rs - unique (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ddcf5c6f2dfb48a001942993352c35c7536f29e07d34760eb3d6aef4c84fab5b"`
[INFO] running `"docker" "rm" "-f" "ddcf5c6f2dfb48a001942993352c35c7536f29e07d34760eb3d6aef4c84fab5b"`
[INFO] [stdout] ddcf5c6f2dfb48a001942993352c35c7536f29e07d34760eb3d6aef4c84fab5b