[INFO] updating cached repository wchoco/lab_tutorial
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/wchoco/lab_tutorial
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/wchoco/lab_tutorial" "work/ex/beta-1.38-1/sources/1.37.0/gh/wchoco/lab_tutorial"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/wchoco/lab_tutorial'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/wchoco/lab_tutorial" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wchoco/lab_tutorial"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wchoco/lab_tutorial'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 77ebe1a0097b68d3f35e4462e0eb734ba7367a60
[INFO] sha for GitHub repo wchoco/lab_tutorial: 77ebe1a0097b68d3f35e4462e0eb734ba7367a60
[INFO] validating manifest of wchoco/lab_tutorial 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 wchoco/lab_tutorial 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 wchoco/lab_tutorial
[INFO] finished frobbing wchoco/lab_tutorial
[INFO] frobbed toml for wchoco/lab_tutorial written to work/ex/beta-1.38-1/sources/1.37.0/gh/wchoco/lab_tutorial/Cargo.toml
[INFO] started frobbing wchoco/lab_tutorial
[INFO] finished frobbing wchoco/lab_tutorial
[INFO] frobbed toml for wchoco/lab_tutorial written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wchoco/lab_tutorial/Cargo.toml
[INFO] crate wchoco/lab_tutorial already has a lockfile, it will not be regenerated
[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 wchoco/lab_tutorial 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/gh/wchoco/lab_tutorial:/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] 58d5f36e8cd183215e3b51c3e2ee38a2b45ccb629c92aa95ef6dfaaafbca5109
[INFO] running `"docker" "start" "-a" "58d5f36e8cd183215e3b51c3e2ee38a2b45ccb629c92aa95ef6dfaaafbca5109"`
[INFO] [stderr]    Compiling lab_tutorial v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.36s
[INFO] running `"docker" "inspect" "58d5f36e8cd183215e3b51c3e2ee38a2b45ccb629c92aa95ef6dfaaafbca5109"`
[INFO] running `"docker" "rm" "-f" "58d5f36e8cd183215e3b51c3e2ee38a2b45ccb629c92aa95ef6dfaaafbca5109"`
[INFO] [stdout] 58d5f36e8cd183215e3b51c3e2ee38a2b45ccb629c92aa95ef6dfaaafbca5109
[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/gh/wchoco/lab_tutorial:/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] 5b70d50608aceca44cb156995b630db7fdaecb0b225fa388afe5764574ae64b9
[INFO] running `"docker" "start" "-a" "5b70d50608aceca44cb156995b630db7fdaecb0b225fa388afe5764574ae64b9"`
[INFO] [stderr]    Compiling lab_tutorial v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `"docker" "inspect" "5b70d50608aceca44cb156995b630db7fdaecb0b225fa388afe5764574ae64b9"`
[INFO] running `"docker" "rm" "-f" "5b70d50608aceca44cb156995b630db7fdaecb0b225fa388afe5764574ae64b9"`
[INFO] [stdout] 5b70d50608aceca44cb156995b630db7fdaecb0b225fa388afe5764574ae64b9
[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/gh/wchoco/lab_tutorial:/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] 42872e548235ee8419119822f6c844729652a930d667c9d9576c612a9aa0c277
[INFO] running `"docker" "start" "-a" "42872e548235ee8419119822f6c844729652a930d667c9d9576c612a9aa0c277"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lab_tutorial-2310f018ac84b539
[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] [stderr]      Running /opt/crater/target/debug/deps/lab_tutorial-a5d96d8e4b9ecf15
[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] [stderr]    Doc-tests lab_tutorial
[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" "42872e548235ee8419119822f6c844729652a930d667c9d9576c612a9aa0c277"`
[INFO] running `"docker" "rm" "-f" "42872e548235ee8419119822f6c844729652a930d667c9d9576c612a9aa0c277"`
[INFO] [stdout] 42872e548235ee8419119822f6c844729652a930d667c9d9576c612a9aa0c277