[INFO] crate assayer 0.2.2 is already in cache
[INFO] extracting crate assayer 0.2.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/assayer/0.2.2
[INFO] extracting crate assayer 0.2.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/assayer/0.2.2
[INFO] validating manifest of assayer-0.2.2 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 assayer-0.2.2 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 assayer-0.2.2
[INFO] finished frobbing assayer-0.2.2
[INFO] frobbed toml for assayer-0.2.2 written to work/ex/beta-1.37-6/sources/1.36.0/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/beta-1.37-6/sources/beta-2019-07-23/reg/assayer/0.2.2/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 assayer-0.2.2 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] b523b9877af964962cc86dc7a05db203814e2202b5f91d0c6f22b27d087cc8c4
[INFO] running `"docker" "start" "-a" "b523b9877af964962cc86dc7a05db203814e2202b5f91d0c6f22b27d087cc8c4"`
[INFO] [stderr]    Compiling assayer v0.2.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `"docker" "inspect" "b523b9877af964962cc86dc7a05db203814e2202b5f91d0c6f22b27d087cc8c4"`
[INFO] running `"docker" "rm" "-f" "b523b9877af964962cc86dc7a05db203814e2202b5f91d0c6f22b27d087cc8c4"`
[INFO] [stdout] b523b9877af964962cc86dc7a05db203814e2202b5f91d0c6f22b27d087cc8c4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 25b918df859b14320dbad3cf11340bb49174811924910d2d47ea5439c00a16a7
[INFO] running `"docker" "start" "-a" "25b918df859b14320dbad3cf11340bb49174811924910d2d47ea5439c00a16a7"`
[INFO] [stderr]    Compiling assayer v0.2.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `"docker" "inspect" "25b918df859b14320dbad3cf11340bb49174811924910d2d47ea5439c00a16a7"`
[INFO] running `"docker" "rm" "-f" "25b918df859b14320dbad3cf11340bb49174811924910d2d47ea5439c00a16a7"`
[INFO] [stdout] 25b918df859b14320dbad3cf11340bb49174811924910d2d47ea5439c00a16a7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 968c70b42b98639882ec2771192f3f14ac7291a332967cc681b37a9f7bab2113
[INFO] running `"docker" "start" "-a" "968c70b42b98639882ec2771192f3f14ac7291a332967cc681b37a9f7bab2113"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/assayer-f3e9ad0aee5962cb
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test unit_tests::string_validator_handles_empty_input ... ok
[INFO] [stdout] test unit_tests::string_validator_mut_ref_handles_empty_input ... ok
[INFO] [stdout] test unit_tests::string_validator_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_ref_handles_empty_input ... ok
[INFO] [stdout] test unit_tests::string_validator_ref_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" "968c70b42b98639882ec2771192f3f14ac7291a332967cc681b37a9f7bab2113"`
[INFO] running `"docker" "rm" "-f" "968c70b42b98639882ec2771192f3f14ac7291a332967cc681b37a9f7bab2113"`
[INFO] [stdout] 968c70b42b98639882ec2771192f3f14ac7291a332967cc681b37a9f7bab2113