[INFO] crate rust-birkana 1.1.2 is already in cache
[INFO] extracting crate rust-birkana 1.1.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/rust-birkana/1.1.2
[INFO] extracting crate rust-birkana 1.1.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rust-birkana/1.1.2
[INFO] validating manifest of rust-birkana-1.1.2 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 rust-birkana-1.1.2 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 rust-birkana-1.1.2
[INFO] finished frobbing rust-birkana-1.1.2
[INFO] frobbed toml for rust-birkana-1.1.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/rust-birkana/1.1.2/Cargo.toml
[INFO] started frobbing rust-birkana-1.1.2
[INFO] finished frobbing rust-birkana-1.1.2
[INFO] frobbed toml for rust-birkana-1.1.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rust-birkana/1.1.2/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 rust-birkana-1.1.2 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rust-birkana/1.1.2:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] b6b9ca86dcdc24bf30d3e33978e9e68fe8f6a7eb6214cd35f916b1f1a351c0aa
[INFO] running `"docker" "start" "-a" "b6b9ca86dcdc24bf30d3e33978e9e68fe8f6a7eb6214cd35f916b1f1a351c0aa"`
[INFO] [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling svg v0.5.12
[INFO] [stderr]    Compiling rust-birkana v1.1.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.53s
[INFO] running `"docker" "inspect" "b6b9ca86dcdc24bf30d3e33978e9e68fe8f6a7eb6214cd35f916b1f1a351c0aa"`
[INFO] running `"docker" "rm" "-f" "b6b9ca86dcdc24bf30d3e33978e9e68fe8f6a7eb6214cd35f916b1f1a351c0aa"`
[INFO] [stdout] b6b9ca86dcdc24bf30d3e33978e9e68fe8f6a7eb6214cd35f916b1f1a351c0aa
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rust-birkana/1.1.2:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 605382d2ede4300fd51c123596d83ef4ab38c7b9b6b5a60c56e5e021c32b7601
[INFO] running `"docker" "start" "-a" "605382d2ede4300fd51c123596d83ef4ab38c7b9b6b5a60c56e5e021c32b7601"`
[INFO] [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
[INFO] [stderr]    Compiling rust-birkana v1.1.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `"docker" "inspect" "605382d2ede4300fd51c123596d83ef4ab38c7b9b6b5a60c56e5e021c32b7601"`
[INFO] running `"docker" "rm" "-f" "605382d2ede4300fd51c123596d83ef4ab38c7b9b6b5a60c56e5e021c32b7601"`
[INFO] [stdout] 605382d2ede4300fd51c123596d83ef4ab38c7b9b6b5a60c56e5e021c32b7601
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rust-birkana/1.1.2:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 9ac547f42fc0d7b3be50af34584b0ced6b968dacd886404c28dc1eaac35bb39c
[INFO] running `"docker" "start" "-a" "9ac547f42fc0d7b3be50af34584b0ced6b968dacd886404c28dc1eaac35bb39c"`
[INFO] [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_birkana-bf7139d50a3bb24c
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_birkana-a9c43b6462ccc1a9
[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] [stderr]    Doc-tests rust-birkana
[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 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" "9ac547f42fc0d7b3be50af34584b0ced6b968dacd886404c28dc1eaac35bb39c"`
[INFO] running `"docker" "rm" "-f" "9ac547f42fc0d7b3be50af34584b0ced6b968dacd886404c28dc1eaac35bb39c"`
[INFO] [stdout] 9ac547f42fc0d7b3be50af34584b0ced6b968dacd886404c28dc1eaac35bb39c