[INFO] crate shawshank 0.2.3 is already in cache
[INFO] extracting crate shawshank 0.2.3 into work/ex/beta-1.37-6/sources/1.36.0/reg/shawshank/0.2.3
[INFO] extracting crate shawshank 0.2.3 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/shawshank/0.2.3
[INFO] validating manifest of shawshank-0.2.3 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 shawshank-0.2.3 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 shawshank-0.2.3
[INFO] finished frobbing shawshank-0.2.3
[INFO] frobbed toml for shawshank-0.2.3 written to work/ex/beta-1.37-6/sources/1.36.0/reg/shawshank/0.2.3/Cargo.toml
[INFO] started frobbing shawshank-0.2.3
[INFO] finished frobbing shawshank-0.2.3
[INFO] frobbed toml for shawshank-0.2.3 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/shawshank/0.2.3/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 shawshank-0.2.3 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-0/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/shawshank/0.2.3:/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] f6ad05c573b43dcfebe76f9493b15ad883fb8aecd1e753771d553c4ce02b16b7
[INFO] running `"docker" "start" "-a" "f6ad05c573b43dcfebe76f9493b15ad883fb8aecd1e753771d553c4ce02b16b7"`
[INFO] [stderr]    Compiling shawshank v0.2.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `"docker" "inspect" "f6ad05c573b43dcfebe76f9493b15ad883fb8aecd1e753771d553c4ce02b16b7"`
[INFO] running `"docker" "rm" "-f" "f6ad05c573b43dcfebe76f9493b15ad883fb8aecd1e753771d553c4ce02b16b7"`
[INFO] [stdout] f6ad05c573b43dcfebe76f9493b15ad883fb8aecd1e753771d553c4ce02b16b7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/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/shawshank/0.2.3:/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] 674c70541ef53f14f47bd20d809c4bc5c60bb7f2c96e24b562cb70ed7cd2b80e
[INFO] running `"docker" "start" "-a" "674c70541ef53f14f47bd20d809c4bc5c60bb7f2c96e24b562cb70ed7cd2b80e"`
[INFO] [stderr]    Compiling shawshank v0.2.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `"docker" "inspect" "674c70541ef53f14f47bd20d809c4bc5c60bb7f2c96e24b562cb70ed7cd2b80e"`
[INFO] running `"docker" "rm" "-f" "674c70541ef53f14f47bd20d809c4bc5c60bb7f2c96e24b562cb70ed7cd2b80e"`
[INFO] [stdout] 674c70541ef53f14f47bd20d809c4bc5c60bb7f2c96e24b562cb70ed7cd2b80e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/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/shawshank/0.2.3:/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] b35a32774fc674ca6193146e151f920915d5045c866bde580d48c23d26f7cfdf
[INFO] running `"docker" "start" "-a" "b35a32774fc674ca6193146e151f920915d5045c866bde580d48c23d26f7cfdf"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/shawshank-f3d196c4a2daf282
[INFO] [stderr]    Doc-tests shawshank
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/arena_set.rs - arena_set::ArenaSet (line 18) ... ok
[INFO] [stdout] test src/arena_set.rs - arena_set::ArenaSet<O, I, M>::intern (line 306) ... ok
[INFO] [stdout] test src/arena_set.rs - arena_set::ArenaSet<O, I, M>::disintern (line 329) ... ok
[INFO] [stdout] test src/arena_set.rs - arena_set::StadiumSet<O, R, I, M>::disintern (line 414) ... ok
[INFO] [stdout] test src/arena_set.rs - arena_set::ArenaSet<O, I, M>::resolve (line 171) ... ok
[INFO] [stdout] test src/arena_set.rs - arena_set::ArenaSet (line 68) ... ok
[INFO] [stdout] test src/arena_set.rs - arena_set::ArenaSet<O, I, M>::count (line 148) ... ok
[INFO] [stdout] test src/arena_set.rs - arena_set::ArenaSet<O, I, M>::shrink (line 353) ... ok
[INFO] [stdout] test src/arena_set.rs - arena_set::StadiumSet<O, R, I, M>::intern (line 394) ... ok
[INFO] [stdout] test src/arena_set.rs - arena_set::StadiumSet<O, R, I, M>::resolve (line 432) ... ok
[INFO] [stdout] test src/builder.rs - builder::Builder (line 13) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "b35a32774fc674ca6193146e151f920915d5045c866bde580d48c23d26f7cfdf"`
[INFO] running `"docker" "rm" "-f" "b35a32774fc674ca6193146e151f920915d5045c866bde580d48c23d26f7cfdf"`
[INFO] [stdout] b35a32774fc674ca6193146e151f920915d5045c866bde580d48c23d26f7cfdf