[INFO] crate hidden-number 1.0.0 is already in cache
[INFO] extracting crate hidden-number 1.0.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/hidden-number/1.0.0
[INFO] extracting crate hidden-number 1.0.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/hidden-number/1.0.0
[INFO] validating manifest of hidden-number-1.0.0 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 hidden-number-1.0.0 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 hidden-number-1.0.0
[INFO] finished frobbing hidden-number-1.0.0
[INFO] frobbed toml for hidden-number-1.0.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/hidden-number/1.0.0/Cargo.toml
[INFO] started frobbing hidden-number-1.0.0
[INFO] finished frobbing hidden-number-1.0.0
[INFO] frobbed toml for hidden-number-1.0.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/hidden-number/1.0.0/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 hidden-number-1.0.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/hidden-number/1.0.0:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 5cd02e0b371956995736d5a2b07280be6c7a10cc6c0dedaddae52e3c1eef7d9f
[INFO] running `"docker" "start" "-a" "5cd02e0b371956995736d5a2b07280be6c7a10cc6c0dedaddae52e3c1eef7d9f"`
[INFO] [stderr]    Compiling hidden-number v1.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `"docker" "inspect" "5cd02e0b371956995736d5a2b07280be6c7a10cc6c0dedaddae52e3c1eef7d9f"`
[INFO] running `"docker" "rm" "-f" "5cd02e0b371956995736d5a2b07280be6c7a10cc6c0dedaddae52e3c1eef7d9f"`
[INFO] [stdout] 5cd02e0b371956995736d5a2b07280be6c7a10cc6c0dedaddae52e3c1eef7d9f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/hidden-number/1.0.0:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] ac4604629bcfe18d0cdfd463d23816dce75baf830ca3014f42cef767381e817b
[INFO] running `"docker" "start" "-a" "ac4604629bcfe18d0cdfd463d23816dce75baf830ca3014f42cef767381e817b"`
[INFO] [stderr]    Compiling hidden-number v1.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `"docker" "inspect" "ac4604629bcfe18d0cdfd463d23816dce75baf830ca3014f42cef767381e817b"`
[INFO] running `"docker" "rm" "-f" "ac4604629bcfe18d0cdfd463d23816dce75baf830ca3014f42cef767381e817b"`
[INFO] [stdout] ac4604629bcfe18d0cdfd463d23816dce75baf830ca3014f42cef767381e817b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/hidden-number/1.0.0:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 35a6db23398b9d6c52049760f81d286c67daa92bddc6321f539ab3b195cf0bea
[INFO] running `"docker" "start" "-a" "35a6db23398b9d6c52049760f81d286c67daa92bddc6321f539ab3b195cf0bea"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hidden_number-bfba7740a4b6c9ff
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests hidden-number
[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" "35a6db23398b9d6c52049760f81d286c67daa92bddc6321f539ab3b195cf0bea"`
[INFO] running `"docker" "rm" "-f" "35a6db23398b9d6c52049760f81d286c67daa92bddc6321f539ab3b195cf0bea"`
[INFO] [stdout] 35a6db23398b9d6c52049760f81d286c67daa92bddc6321f539ab3b195cf0bea