[INFO] updating cached repository TimSimmons/failure_test
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/TimSimmons/failure_test
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/TimSimmons/failure_test" "work/ex/beta-1.38-1/sources/1.37.0/gh/TimSimmons/failure_test"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/TimSimmons/failure_test'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/TimSimmons/failure_test" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/TimSimmons/failure_test"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/TimSimmons/failure_test'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] edc8acd844578934739c10042fc1687ba6180d1c
[INFO] sha for GitHub repo TimSimmons/failure_test: edc8acd844578934739c10042fc1687ba6180d1c
[INFO] validating manifest of TimSimmons/failure_test 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 TimSimmons/failure_test 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 TimSimmons/failure_test
[INFO] finished frobbing TimSimmons/failure_test
[INFO] frobbed toml for TimSimmons/failure_test written to work/ex/beta-1.38-1/sources/1.37.0/gh/TimSimmons/failure_test/Cargo.toml
[INFO] started frobbing TimSimmons/failure_test
[INFO] finished frobbing TimSimmons/failure_test
[INFO] frobbed toml for TimSimmons/failure_test written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/TimSimmons/failure_test/Cargo.toml
[INFO] crate TimSimmons/failure_test 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]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing TimSimmons/failure_test 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-3/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/TimSimmons/failure_test:/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] 08684e4b2e01ac00ac2a44f19274841e492449798e98e301de6253e9c1abd89d
[INFO] running `"docker" "start" "-a" "08684e4b2e01ac00ac2a44f19274841e492449798e98e301de6253e9c1abd89d"`
[INFO] [stderr]    Compiling serde v1.0.79
[INFO] [stderr]    Compiling syn v0.15.4
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling failure v0.1.2
[INFO] [stderr]    Compiling serde_derive v1.0.79
[INFO] [stderr]    Compiling serde_json v1.0.28
[INFO] [stderr]    Compiling failure_test v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.71s
[INFO] running `"docker" "inspect" "08684e4b2e01ac00ac2a44f19274841e492449798e98e301de6253e9c1abd89d"`
[INFO] running `"docker" "rm" "-f" "08684e4b2e01ac00ac2a44f19274841e492449798e98e301de6253e9c1abd89d"`
[INFO] [stdout] 08684e4b2e01ac00ac2a44f19274841e492449798e98e301de6253e9c1abd89d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/TimSimmons/failure_test:/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] c4236d9fdd8c81d1efb0244b08e2266fbc9fdbe2e415d935621590c8e63cc1e7
[INFO] running `"docker" "start" "-a" "c4236d9fdd8c81d1efb0244b08e2266fbc9fdbe2e415d935621590c8e63cc1e7"`
[INFO] [stderr]    Compiling failure_test v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `"docker" "inspect" "c4236d9fdd8c81d1efb0244b08e2266fbc9fdbe2e415d935621590c8e63cc1e7"`
[INFO] running `"docker" "rm" "-f" "c4236d9fdd8c81d1efb0244b08e2266fbc9fdbe2e415d935621590c8e63cc1e7"`
[INFO] [stdout] c4236d9fdd8c81d1efb0244b08e2266fbc9fdbe2e415d935621590c8e63cc1e7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/TimSimmons/failure_test:/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] 751f3d2520b5529735c274e1186c93d881065f8cef1805cab8c5b2a70e904620
[INFO] running `"docker" "start" "-a" "751f3d2520b5529735c274e1186c93d881065f8cef1805cab8c5b2a70e904620"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/failure_test-41ba152edda53343
[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" "751f3d2520b5529735c274e1186c93d881065f8cef1805cab8c5b2a70e904620"`
[INFO] running `"docker" "rm" "-f" "751f3d2520b5529735c274e1186c93d881065f8cef1805cab8c5b2a70e904620"`
[INFO] [stdout] 751f3d2520b5529735c274e1186c93d881065f8cef1805cab8c5b2a70e904620