[INFO] crate assayer 0.2.2 is already in cache
[INFO] extracting crate assayer 0.2.2 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/assayer/0.2.2
[INFO] extracting crate assayer 0.2.2 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/assayer/0.2.2
[INFO] validating manifest of assayer-0.2.2 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 assayer-0.2.2 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 assayer-0.2.2
[INFO] finished frobbing assayer-0.2.2
[INFO] frobbed toml for assayer-0.2.2 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/assayer/0.2.2/Cargo.toml
[INFO] started frobbing assayer-0.2.2
[INFO] finished frobbing assayer-0.2.2
[INFO] frobbed toml for assayer-0.2.2 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/assayer/0.2.2/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 assayer-0.2.2 against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/assayer/0.2.2:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] a8bed569cb416ff4d5401f6abd7b2136940c80acf2ecbf6e1296e2df9c83de80
[INFO] running `"docker" "start" "-a" "a8bed569cb416ff4d5401f6abd7b2136940c80acf2ecbf6e1296e2df9c83de80"`
[INFO] [stderr]    Compiling assayer v0.2.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `"docker" "inspect" "a8bed569cb416ff4d5401f6abd7b2136940c80acf2ecbf6e1296e2df9c83de80"`
[INFO] running `"docker" "rm" "-f" "a8bed569cb416ff4d5401f6abd7b2136940c80acf2ecbf6e1296e2df9c83de80"`
[INFO] [stdout] a8bed569cb416ff4d5401f6abd7b2136940c80acf2ecbf6e1296e2df9c83de80
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/assayer/0.2.2:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0b3fe32bb9b6f6eab1d18140d806401ddc72fb68c3ab10991acb044e89e97d9d
[INFO] running `"docker" "start" "-a" "0b3fe32bb9b6f6eab1d18140d806401ddc72fb68c3ab10991acb044e89e97d9d"`
[INFO] [stderr]    Compiling assayer v0.2.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "0b3fe32bb9b6f6eab1d18140d806401ddc72fb68c3ab10991acb044e89e97d9d"`
[INFO] running `"docker" "rm" "-f" "0b3fe32bb9b6f6eab1d18140d806401ddc72fb68c3ab10991acb044e89e97d9d"`
[INFO] [stdout] 0b3fe32bb9b6f6eab1d18140d806401ddc72fb68c3ab10991acb044e89e97d9d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/assayer/0.2.2:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] b67c2a9efc80aa55678375f828d6d159ee335b33bfdebbaf9d69d212105c37e5
[INFO] running `"docker" "start" "-a" "b67c2a9efc80aa55678375f828d6d159ee335b33bfdebbaf9d69d212105c37e5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/assayer-5d9d3d9bd753c088
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test unit_tests::string_validator_mut_ref_handles_empty_input ... ok
[INFO] [stdout] test unit_tests::string_validator_handles_empty_input ... ok
[INFO] [stdout] test unit_tests::string_validator_ref_handles_empty_input ... ok
[INFO] [stdout] test unit_tests::string_validator_ref_handles_non_empty_input ... ok
[INFO] [stdout] test unit_tests::string_validator_mut_ref_handles_non_empty_input ... ok
[INFO] [stdout] test unit_tests::string_validator_handles_non_empty_input ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests assayer
[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" "b67c2a9efc80aa55678375f828d6d159ee335b33bfdebbaf9d69d212105c37e5"`
[INFO] running `"docker" "rm" "-f" "b67c2a9efc80aa55678375f828d6d159ee335b33bfdebbaf9d69d212105c37e5"`
[INFO] [stdout] b67c2a9efc80aa55678375f828d6d159ee335b33bfdebbaf9d69d212105c37e5