[INFO] updating cached repository oldmammuth/test-num_cpus
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/oldmammuth/test-num_cpus
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/oldmammuth/test-num_cpus" "work/ex/beta-1.38-1/sources/1.37.0/gh/oldmammuth/test-num_cpus"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/oldmammuth/test-num_cpus'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/oldmammuth/test-num_cpus" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/oldmammuth/test-num_cpus"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/oldmammuth/test-num_cpus'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4a4ff2503547dea8efc4fc3dea386bb23cb4d728
[INFO] sha for GitHub repo oldmammuth/test-num_cpus: 4a4ff2503547dea8efc4fc3dea386bb23cb4d728
[INFO] validating manifest of oldmammuth/test-num_cpus 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 oldmammuth/test-num_cpus 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 oldmammuth/test-num_cpus
[INFO] finished frobbing oldmammuth/test-num_cpus
[INFO] frobbed toml for oldmammuth/test-num_cpus written to work/ex/beta-1.38-1/sources/1.37.0/gh/oldmammuth/test-num_cpus/Cargo.toml
[INFO] started frobbing oldmammuth/test-num_cpus
[INFO] finished frobbing oldmammuth/test-num_cpus
[INFO] frobbed toml for oldmammuth/test-num_cpus written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/oldmammuth/test-num_cpus/Cargo.toml
[INFO] crate oldmammuth/test-num_cpus 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] [stderr]     Updating git repository `https://github.com/oldmammuth/num_cpus.git`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/oldmammuth/test-num_cpus/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[INFO] the lockfile is outdated, regenerating it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" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/oldmammuth/num_cpus.git`
[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] [stderr]     Updating git repository `https://github.com/oldmammuth/num_cpus.git`
[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 oldmammuth/test-num_cpus against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/oldmammuth/test-num_cpus:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 82c697a98b5a23f34fedf44b80cf4ccbb18d343818c1add5d27e5ab16a978590
[INFO] running `"docker" "start" "-a" "82c697a98b5a23f34fedf44b80cf4ccbb18d343818c1add5d27e5ab16a978590"`
[INFO] [stderr]    Compiling num_cpus v1.7.0 (https://github.com/oldmammuth/num_cpus.git#b2be87c2)
[INFO] [stderr]    Compiling test-num_cpus v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `"docker" "inspect" "82c697a98b5a23f34fedf44b80cf4ccbb18d343818c1add5d27e5ab16a978590"`
[INFO] running `"docker" "rm" "-f" "82c697a98b5a23f34fedf44b80cf4ccbb18d343818c1add5d27e5ab16a978590"`
[INFO] [stdout] 82c697a98b5a23f34fedf44b80cf4ccbb18d343818c1add5d27e5ab16a978590
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/oldmammuth/test-num_cpus:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9e75b9d7847bb4bcecdd9249ed81f1031a2abc69ce1f52dab450bc6e9a9fbb73
[INFO] running `"docker" "start" "-a" "9e75b9d7847bb4bcecdd9249ed81f1031a2abc69ce1f52dab450bc6e9a9fbb73"`
[INFO] [stderr]    Compiling test-num_cpus v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `"docker" "inspect" "9e75b9d7847bb4bcecdd9249ed81f1031a2abc69ce1f52dab450bc6e9a9fbb73"`
[INFO] running `"docker" "rm" "-f" "9e75b9d7847bb4bcecdd9249ed81f1031a2abc69ce1f52dab450bc6e9a9fbb73"`
[INFO] [stdout] 9e75b9d7847bb4bcecdd9249ed81f1031a2abc69ce1f52dab450bc6e9a9fbb73
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/oldmammuth/test-num_cpus:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 32cdf1f9cdc111f21513ffb6dee6b334e65a3db331037dcc12bfcec90cd3f6ef
[INFO] running `"docker" "start" "-a" "32cdf1f9cdc111f21513ffb6dee6b334e65a3db331037dcc12bfcec90cd3f6ef"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/test_num_cpus-df0ae2e3898cc6c4
[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" "32cdf1f9cdc111f21513ffb6dee6b334e65a3db331037dcc12bfcec90cd3f6ef"`
[INFO] running `"docker" "rm" "-f" "32cdf1f9cdc111f21513ffb6dee6b334e65a3db331037dcc12bfcec90cd3f6ef"`
[INFO] [stdout] 32cdf1f9cdc111f21513ffb6dee6b334e65a3db331037dcc12bfcec90cd3f6ef