[INFO] crate str-concat 0.1.4 is already in cache
[INFO] extracting crate str-concat 0.1.4 into work/ex/beta-1.37-6/sources/1.36.0/reg/str-concat/0.1.4
[INFO] extracting crate str-concat 0.1.4 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/str-concat/0.1.4
[INFO] validating manifest of str-concat-0.1.4 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 str-concat-0.1.4 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 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/beta-1.37-6/sources/1.36.0/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/beta-1.37-6/sources/beta-2019-07-23/reg/str-concat/0.1.4/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] testing str-concat-0.1.4 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-6/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/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=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] 2acc96365fad1649d6d7f35c2ff3a3df86d5d4da418db1d542e1aa21dc00e97f
[INFO] running `"docker" "start" "-a" "2acc96365fad1649d6d7f35c2ff3a3df86d5d4da418db1d542e1aa21dc00e97f"`
[INFO] [stderr]    Compiling str-concat v0.1.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `"docker" "inspect" "2acc96365fad1649d6d7f35c2ff3a3df86d5d4da418db1d542e1aa21dc00e97f"`
[INFO] running `"docker" "rm" "-f" "2acc96365fad1649d6d7f35c2ff3a3df86d5d4da418db1d542e1aa21dc00e97f"`
[INFO] [stdout] 2acc96365fad1649d6d7f35c2ff3a3df86d5d4da418db1d542e1aa21dc00e97f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/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=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] 7e72c69f331ec421a36c25b726aae311fc9ff9beae6bdad0f86594275c3affdf
[INFO] running `"docker" "start" "-a" "7e72c69f331ec421a36c25b726aae311fc9ff9beae6bdad0f86594275c3affdf"`
[INFO] [stderr]    Compiling str-concat v0.1.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `"docker" "inspect" "7e72c69f331ec421a36c25b726aae311fc9ff9beae6bdad0f86594275c3affdf"`
[INFO] running `"docker" "rm" "-f" "7e72c69f331ec421a36c25b726aae311fc9ff9beae6bdad0f86594275c3affdf"`
[INFO] [stdout] 7e72c69f331ec421a36c25b726aae311fc9ff9beae6bdad0f86594275c3affdf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/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=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] 1dca2f43a1cdee0d68dc7d7e235186078faa8456829a4eb305ce98a0480b4f85
[INFO] running `"docker" "start" "-a" "1dca2f43a1cdee0d68dc7d7e235186078faa8456829a4eb305ce98a0480b4f85"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/str_concat-f2ca92f3a9137fc2
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::simple_fail ... ok
[INFO] [stdout] test tests::empty_str ... ok
[INFO] [stdout] test tests::bom ... ok
[INFO] [stdout] test tests::simple_success ... ok
[INFO] [stdout] test tests::unordered ... ok
[INFO] [stdout] test tests::zero_width_joiner_combining_grave ... ok
[INFO] [stdout] test tests::zero_width_joiner ... 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_unordered (line 82) ... ok
[INFO] [stdout] test src/lib.rs - concat (line 26) ... 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" "1dca2f43a1cdee0d68dc7d7e235186078faa8456829a4eb305ce98a0480b4f85"`
[INFO] running `"docker" "rm" "-f" "1dca2f43a1cdee0d68dc7d7e235186078faa8456829a4eb305ce98a0480b4f85"`
[INFO] [stdout] 1dca2f43a1cdee0d68dc7d7e235186078faa8456829a4eb305ce98a0480b4f85