[INFO] updating cached repository nrc/rustc-version
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nrc/rustc-version
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nrc/rustc-version" "work/ex/beta-1.37-6/sources/1.36.0/gh/nrc/rustc-version"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/nrc/rustc-version'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nrc/rustc-version" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nrc/rustc-version"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nrc/rustc-version'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] aa031141b124b10d90cfa720c8772320be863b10
[INFO] sha for GitHub repo nrc/rustc-version: aa031141b124b10d90cfa720c8772320be863b10
[INFO] validating manifest of nrc/rustc-version 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 nrc/rustc-version 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 nrc/rustc-version
[INFO] finished frobbing nrc/rustc-version
[INFO] frobbed toml for nrc/rustc-version written to work/ex/beta-1.37-6/sources/1.36.0/gh/nrc/rustc-version/Cargo.toml
[INFO] started frobbing nrc/rustc-version
[INFO] finished frobbing nrc/rustc-version
[INFO] frobbed toml for nrc/rustc-version written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nrc/rustc-version/Cargo.toml
[INFO] crate nrc/rustc-version already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/nrc/rustc-version/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing nrc/rustc-version against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/nrc/rustc-version:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 7bdb6d363a8c8591bffe5bf087abcd483fc3990c5bf0e2eeaaed38fd40afcc2e
[INFO] running `"docker" "start" "-a" "7bdb6d363a8c8591bffe5bf087abcd483fc3990c5bf0e2eeaaed38fd40afcc2e"`
[INFO] [stderr]    Compiling rustc-version v1.20.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `"docker" "inspect" "7bdb6d363a8c8591bffe5bf087abcd483fc3990c5bf0e2eeaaed38fd40afcc2e"`
[INFO] running `"docker" "rm" "-f" "7bdb6d363a8c8591bffe5bf087abcd483fc3990c5bf0e2eeaaed38fd40afcc2e"`
[INFO] [stdout] 7bdb6d363a8c8591bffe5bf087abcd483fc3990c5bf0e2eeaaed38fd40afcc2e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/nrc/rustc-version:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] a4ece76de02f871512bd08f03b25520db3aeba7da0f602d2fb741bc85fe1ac14
[INFO] running `"docker" "start" "-a" "a4ece76de02f871512bd08f03b25520db3aeba7da0f602d2fb741bc85fe1ac14"`
[INFO] [stderr]    Compiling rustc-version v1.20.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `"docker" "inspect" "a4ece76de02f871512bd08f03b25520db3aeba7da0f602d2fb741bc85fe1ac14"`
[INFO] running `"docker" "rm" "-f" "a4ece76de02f871512bd08f03b25520db3aeba7da0f602d2fb741bc85fe1ac14"`
[INFO] [stdout] a4ece76de02f871512bd08f03b25520db3aeba7da0f602d2fb741bc85fe1ac14
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/nrc/rustc-version:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] a75d6eb30ef4ce57fdb1edb27be6ca1560f4f68f81666afc20690b4306b25a87
[INFO] running `"docker" "start" "-a" "a75d6eb30ef4ce57fdb1edb27be6ca1560f4f68f81666afc20690b4306b25a87"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rustc_version-582aa22eb55c56c2
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_from_str ... ok
[INFO] [stdout] test tests::test_formatting ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rustc-version
[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" "a75d6eb30ef4ce57fdb1edb27be6ca1560f4f68f81666afc20690b4306b25a87"`
[INFO] running `"docker" "rm" "-f" "a75d6eb30ef4ce57fdb1edb27be6ca1560f4f68f81666afc20690b4306b25a87"`
[INFO] [stdout] a75d6eb30ef4ce57fdb1edb27be6ca1560f4f68f81666afc20690b4306b25a87