[INFO] crate open 1.2.3 is already in cache
[INFO] extracting crate open 1.2.3 into work/ex/beta-1.38-1/sources/1.37.0/reg/open/1.2.3
[INFO] extracting crate open 1.2.3 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/open/1.2.3
[INFO] validating manifest of open-1.2.3 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 open-1.2.3 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 open-1.2.3
[INFO] finished frobbing open-1.2.3
[INFO] frobbed toml for open-1.2.3 written to work/ex/beta-1.38-1/sources/1.37.0/reg/open/1.2.3/Cargo.toml
[INFO] started frobbing open-1.2.3
[INFO] finished frobbing open-1.2.3
[INFO] frobbed toml for open-1.2.3 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/open/1.2.3/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 open-1.2.3 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/open/1.2.3:/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] f9574ca4cdc529be4712b52a23fe0f8d8a54d1d7f1622fa5b766aaad0752566a
[INFO] running `"docker" "start" "-a" "f9574ca4cdc529be4712b52a23fe0f8d8a54d1d7f1622fa5b766aaad0752566a"`
[INFO] [stderr]    Compiling open v1.2.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `"docker" "inspect" "f9574ca4cdc529be4712b52a23fe0f8d8a54d1d7f1622fa5b766aaad0752566a"`
[INFO] running `"docker" "rm" "-f" "f9574ca4cdc529be4712b52a23fe0f8d8a54d1d7f1622fa5b766aaad0752566a"`
[INFO] [stdout] f9574ca4cdc529be4712b52a23fe0f8d8a54d1d7f1622fa5b766aaad0752566a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/open/1.2.3:/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] 186f890633422fefd741e4204bb39068328c6eb75c281f1898dd726007f73864
[INFO] running `"docker" "start" "-a" "186f890633422fefd741e4204bb39068328c6eb75c281f1898dd726007f73864"`
[INFO] [stderr]    Compiling open v1.2.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `"docker" "inspect" "186f890633422fefd741e4204bb39068328c6eb75c281f1898dd726007f73864"`
[INFO] running `"docker" "rm" "-f" "186f890633422fefd741e4204bb39068328c6eb75c281f1898dd726007f73864"`
[INFO] [stdout] 186f890633422fefd741e4204bb39068328c6eb75c281f1898dd726007f73864
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/open/1.2.3:/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] 50053a8ecceae996408a90b778c3300589175f353e1026fc68955e854eee9651
[INFO] running `"docker" "start" "-a" "50053a8ecceae996408a90b778c3300589175f353e1026fc68955e854eee9651"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/open-d38a57bc08e6205c
[INFO] [stderr]    Doc-tests open
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs -  (line 7) ... ok
[INFO] [stdout] test src/lib.rs -  (line 22) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "50053a8ecceae996408a90b778c3300589175f353e1026fc68955e854eee9651"`
[INFO] running `"docker" "rm" "-f" "50053a8ecceae996408a90b778c3300589175f353e1026fc68955e854eee9651"`
[INFO] [stdout] 50053a8ecceae996408a90b778c3300589175f353e1026fc68955e854eee9651