[INFO] crate labelgraph 2.2.3 is already in cache
[INFO] extracting crate labelgraph 2.2.3 into work/ex/beta-1.37-6/sources/1.36.0/reg/labelgraph/2.2.3
[INFO] extracting crate labelgraph 2.2.3 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/labelgraph/2.2.3
[INFO] validating manifest of labelgraph-2.2.3 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 labelgraph-2.2.3 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 labelgraph-2.2.3
[INFO] finished frobbing labelgraph-2.2.3
[INFO] frobbed toml for labelgraph-2.2.3 written to work/ex/beta-1.37-6/sources/1.36.0/reg/labelgraph/2.2.3/Cargo.toml
[INFO] started frobbing labelgraph-2.2.3
[INFO] finished frobbing labelgraph-2.2.3
[INFO] frobbed toml for labelgraph-2.2.3 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/labelgraph/2.2.3/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing labelgraph-2.2.3 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/labelgraph/2.2.3:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] d107253099a65454f0d2e2713567eeb40b1feb32571959470b20edede2b64aa8
[INFO] running `"docker" "start" "-a" "d107253099a65454f0d2e2713567eeb40b1feb32571959470b20edede2b64aa8"`
[INFO] [stderr]    Compiling labelgraph v2.2.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `"docker" "inspect" "d107253099a65454f0d2e2713567eeb40b1feb32571959470b20edede2b64aa8"`
[INFO] running `"docker" "rm" "-f" "d107253099a65454f0d2e2713567eeb40b1feb32571959470b20edede2b64aa8"`
[INFO] [stdout] d107253099a65454f0d2e2713567eeb40b1feb32571959470b20edede2b64aa8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/labelgraph/2.2.3:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] f4706c92c01b1ba14d0ab960e803bb041626c0ededdd447e4b5063ae1cfbe690
[INFO] running `"docker" "start" "-a" "f4706c92c01b1ba14d0ab960e803bb041626c0ededdd447e4b5063ae1cfbe690"`
[INFO] [stderr]    Compiling labelgraph v2.2.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `"docker" "inspect" "f4706c92c01b1ba14d0ab960e803bb041626c0ededdd447e4b5063ae1cfbe690"`
[INFO] running `"docker" "rm" "-f" "f4706c92c01b1ba14d0ab960e803bb041626c0ededdd447e4b5063ae1cfbe690"`
[INFO] [stdout] f4706c92c01b1ba14d0ab960e803bb041626c0ededdd447e4b5063ae1cfbe690
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/labelgraph/2.2.3:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 1a6de84e620ad108b9f3084d7575da6d040ccf78fab5aff80d460e65f862092f
[INFO] running `"docker" "start" "-a" "1a6de84e620ad108b9f3084d7575da6d040ccf78fab5aff80d460e65f862092f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/labelgraph-db6799d6c99274b9
[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] [stderr]    Doc-tests labelgraph
[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" "1a6de84e620ad108b9f3084d7575da6d040ccf78fab5aff80d460e65f862092f"`
[INFO] running `"docker" "rm" "-f" "1a6de84e620ad108b9f3084d7575da6d040ccf78fab5aff80d460e65f862092f"`
[INFO] [stdout] 1a6de84e620ad108b9f3084d7575da6d040ccf78fab5aff80d460e65f862092f