[INFO] crate file-utils 0.1.5 is already in cache
[INFO] extracting crate file-utils 0.1.5 into work/ex/beta-1.38-1/sources/1.37.0/reg/file-utils/0.1.5
[INFO] extracting crate file-utils 0.1.5 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/file-utils/0.1.5
[INFO] validating manifest of file-utils-0.1.5 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 file-utils-0.1.5 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 file-utils-0.1.5
[INFO] finished frobbing file-utils-0.1.5
[INFO] frobbed toml for file-utils-0.1.5 written to work/ex/beta-1.38-1/sources/1.37.0/reg/file-utils/0.1.5/Cargo.toml
[INFO] started frobbing file-utils-0.1.5
[INFO] finished frobbing file-utils-0.1.5
[INFO] frobbed toml for file-utils-0.1.5 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/file-utils/0.1.5/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 file-utils-0.1.5 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-7/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/file-utils/0.1.5:/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] ef96eb528f4c329fdf487c03f508ad17bec0f3f4025f9276d47541af5c7d944c
[INFO] running `"docker" "start" "-a" "ef96eb528f4c329fdf487c03f508ad17bec0f3f4025f9276d47541af5c7d944c"`
[INFO] [stderr]    Compiling file-utils v0.1.5 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `"docker" "inspect" "ef96eb528f4c329fdf487c03f508ad17bec0f3f4025f9276d47541af5c7d944c"`
[INFO] running `"docker" "rm" "-f" "ef96eb528f4c329fdf487c03f508ad17bec0f3f4025f9276d47541af5c7d944c"`
[INFO] [stdout] ef96eb528f4c329fdf487c03f508ad17bec0f3f4025f9276d47541af5c7d944c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/file-utils/0.1.5:/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] f01f916253c3eafc6b30c2e695735895d590767ab3e85d0fc02bcaf25e501417
[INFO] running `"docker" "start" "-a" "f01f916253c3eafc6b30c2e695735895d590767ab3e85d0fc02bcaf25e501417"`
[INFO] [stderr]    Compiling file-utils v0.1.5 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `file_utils::write::Write`
[INFO] [stderr]  --> tests/read_tests.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use file_utils::write::Write;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `"docker" "inspect" "f01f916253c3eafc6b30c2e695735895d590767ab3e85d0fc02bcaf25e501417"`
[INFO] running `"docker" "rm" "-f" "f01f916253c3eafc6b30c2e695735895d590767ab3e85d0fc02bcaf25e501417"`
[INFO] [stdout] f01f916253c3eafc6b30c2e695735895d590767ab3e85d0fc02bcaf25e501417
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/file-utils/0.1.5:/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] e3ddcec72f65bc83909c0a5d5ce6250db28015642e0ecb814e35a09081763d2b
[INFO] running `"docker" "start" "-a" "e3ddcec72f65bc83909c0a5d5ce6250db28015642e0ecb814e35a09081763d2b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/file_utils-a172491d38c402af
[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] [stderr]      Running /opt/crater/target/debug/deps/conversions-c327864dee4d954b
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test b_to_s1 ... ok
[INFO] [stdout] test b_to_f ... ok
[INFO] [stdout] test b_to_s3 ... ok
[INFO] [stdout] test b_to_s2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/read_tests-637bccc98d56cad8
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test reading ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests file-utils
[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] running `"docker" "inspect" "e3ddcec72f65bc83909c0a5d5ce6250db28015642e0ecb814e35a09081763d2b"`
[INFO] running `"docker" "rm" "-f" "e3ddcec72f65bc83909c0a5d5ce6250db28015642e0ecb814e35a09081763d2b"`
[INFO] [stdout] e3ddcec72f65bc83909c0a5d5ce6250db28015642e0ecb814e35a09081763d2b