[INFO] crate str-concat 0.1.4 is already in cache
[INFO] extracting crate str-concat 0.1.4 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/str-concat/0.1.4
[INFO] extracting crate str-concat 0.1.4 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/str-concat/0.1.4
[INFO] validating manifest of str-concat-0.1.4 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of str-concat-0.1.4 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing str-concat-0.1.4
[INFO] finished frobbing str-concat-0.1.4
[INFO] frobbed toml for str-concat-0.1.4 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/str-concat/0.1.4/Cargo.toml
[INFO] started frobbing str-concat-0.1.4
[INFO] finished frobbing str-concat-0.1.4
[INFO] frobbed toml for str-concat-0.1.4 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/str-concat/0.1.4/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing str-concat-0.1.4 against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/str-concat/0.1.4:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 75a2f1d8b9c9820ff2dc5e164a4d9c3b4ad62e27341f03082812f83748d5f4bf
[INFO] running `"docker" "start" "-a" "75a2f1d8b9c9820ff2dc5e164a4d9c3b4ad62e27341f03082812f83748d5f4bf"`
[INFO] [stderr]    Compiling str-concat v0.1.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `"docker" "inspect" "75a2f1d8b9c9820ff2dc5e164a4d9c3b4ad62e27341f03082812f83748d5f4bf"`
[INFO] running `"docker" "rm" "-f" "75a2f1d8b9c9820ff2dc5e164a4d9c3b4ad62e27341f03082812f83748d5f4bf"`
[INFO] [stdout] 75a2f1d8b9c9820ff2dc5e164a4d9c3b4ad62e27341f03082812f83748d5f4bf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/str-concat/0.1.4:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 06a1bd818f77217e1fd7916945e904d43edced5c9bd3021cf68eda2d54eaa239
[INFO] running `"docker" "start" "-a" "06a1bd818f77217e1fd7916945e904d43edced5c9bd3021cf68eda2d54eaa239"`
[INFO] [stderr]    Compiling str-concat v0.1.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "06a1bd818f77217e1fd7916945e904d43edced5c9bd3021cf68eda2d54eaa239"`
[INFO] running `"docker" "rm" "-f" "06a1bd818f77217e1fd7916945e904d43edced5c9bd3021cf68eda2d54eaa239"`
[INFO] [stdout] 06a1bd818f77217e1fd7916945e904d43edced5c9bd3021cf68eda2d54eaa239
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/str-concat/0.1.4:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] a6233dd306e81633945a7d44e4c542778cf040eeb8949206bd8fd71f0cbec53c
[INFO] running `"docker" "start" "-a" "a6233dd306e81633945a7d44e4c542778cf040eeb8949206bd8fd71f0cbec53c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/str_concat-49197de256c9fa75
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::zero_width_joiner ... ok
[INFO] [stdout] test tests::zero_width_joiner_combining_grave ... ok
[INFO] [stdout] test tests::unordered ... ok
[INFO] [stdout] test tests::bom ... ok
[INFO] [stdout] test tests::simple_success ... ok
[INFO] [stdout] test tests::simple_fail ... ok
[INFO] [stdout] test tests::empty_str ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests str-concat
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - concat_unordered (line 90) ... ok
[INFO] [stdout] test src/lib.rs - concat (line 26) ... ok
[INFO] [stdout] test src/lib.rs - concat_unordered (line 82) ... ok
[INFO] [stdout] test src/lib.rs - concat (line 34) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "a6233dd306e81633945a7d44e4c542778cf040eeb8949206bd8fd71f0cbec53c"`
[INFO] running `"docker" "rm" "-f" "a6233dd306e81633945a7d44e4c542778cf040eeb8949206bd8fd71f0cbec53c"`
[INFO] [stdout] a6233dd306e81633945a7d44e4c542778cf040eeb8949206bd8fd71f0cbec53c