[INFO] crate utf-8 0.7.5 is already in cache
[INFO] extracting crate utf-8 0.7.5 into work/ex/beta-1.38-1/sources/1.37.0/reg/utf-8/0.7.5
[INFO] extracting crate utf-8 0.7.5 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/utf-8/0.7.5
[INFO] validating manifest of utf-8-0.7.5 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 utf-8-0.7.5 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 utf-8-0.7.5
[INFO] finished frobbing utf-8-0.7.5
[INFO] frobbed toml for utf-8-0.7.5 written to work/ex/beta-1.38-1/sources/1.37.0/reg/utf-8/0.7.5/Cargo.toml
[INFO] started frobbing utf-8-0.7.5
[INFO] finished frobbing utf-8-0.7.5
[INFO] frobbed toml for utf-8-0.7.5 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/utf-8/0.7.5/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 utf-8-0.7.5 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-6/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/utf-8/0.7.5:/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] 6bfa3e2ed366578eb812364670c531cf1f21a6156c793598e5347a4360a1ee8b
[INFO] running `"docker" "start" "-a" "6bfa3e2ed366578eb812364670c531cf1f21a6156c793598e5347a4360a1ee8b"`
[INFO] [stderr]    Compiling utf-8 v0.7.5 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `"docker" "inspect" "6bfa3e2ed366578eb812364670c531cf1f21a6156c793598e5347a4360a1ee8b"`
[INFO] running `"docker" "rm" "-f" "6bfa3e2ed366578eb812364670c531cf1f21a6156c793598e5347a4360a1ee8b"`
[INFO] [stdout] 6bfa3e2ed366578eb812364670c531cf1f21a6156c793598e5347a4360a1ee8b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/utf-8/0.7.5:/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] cab5bbe5e7b54502b193820cc28d07c0f2ff0276048f8a98a831e5c2f107e6bd
[INFO] running `"docker" "start" "-a" "cab5bbe5e7b54502b193820cc28d07c0f2ff0276048f8a98a831e5c2f107e6bd"`
[INFO] [stderr]    Compiling utf-8 v0.7.5 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `"docker" "inspect" "cab5bbe5e7b54502b193820cc28d07c0f2ff0276048f8a98a831e5c2f107e6bd"`
[INFO] running `"docker" "rm" "-f" "cab5bbe5e7b54502b193820cc28d07c0f2ff0276048f8a98a831e5c2f107e6bd"`
[INFO] [stdout] cab5bbe5e7b54502b193820cc28d07c0f2ff0276048f8a98a831e5c2f107e6bd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/utf-8/0.7.5:/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] be4f433f80cac23a086ea4b1ef96756efa6c5b7480b180fe417ea0b57fd90efa
[INFO] running `"docker" "start" "-a" "be4f433f80cac23a086ea4b1ef96756efa6c5b7480b180fe417ea0b57fd90efa"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/unit-82470c3dc754a3f9
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test_string_from_utf8_lossy ... ok
[INFO] [stdout] test test_is_utf8 ... ok
[INFO] [stdout] test test_str_from_utf8 ... ok
[INFO] [stdout] test test_incremental_decoder ... ok
[INFO] [stdout] test test_bufread_decoder ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests utf8
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lossy.rs - lossy::LossyDecoder (line 11) ... 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" "be4f433f80cac23a086ea4b1ef96756efa6c5b7480b180fe417ea0b57fd90efa"`
[INFO] running `"docker" "rm" "-f" "be4f433f80cac23a086ea4b1ef96756efa6c5b7480b180fe417ea0b57fd90efa"`
[INFO] [stdout] be4f433f80cac23a086ea4b1ef96756efa6c5b7480b180fe417ea0b57fd90efa