[INFO] updating cached repository shockham/contours
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/shockham/contours
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/shockham/contours" "work/ex/beta-1.38-1/sources/1.37.0/gh/shockham/contours"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/shockham/contours'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/shockham/contours" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/shockham/contours"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/shockham/contours'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5f018fab2d40557f855d57fc07d7e71e1fa8c3c9
[INFO] sha for GitHub repo shockham/contours: 5f018fab2d40557f855d57fc07d7e71e1fa8c3c9
[INFO] validating manifest of shockham/contours 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 shockham/contours 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 shockham/contours
[INFO] finished frobbing shockham/contours
[INFO] frobbed toml for shockham/contours written to work/ex/beta-1.38-1/sources/1.37.0/gh/shockham/contours/Cargo.toml
[INFO] started frobbing shockham/contours
[INFO] finished frobbing shockham/contours
[INFO] frobbed toml for shockham/contours written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/shockham/contours/Cargo.toml
[INFO] crate shockham/contours 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 shockham/contours 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-6/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/shockham/contours:/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] 6370364e8924eb810bbbb88d37707d42e5cb7596be53adbc3f5e6cc5d89567dc
[INFO] running `"docker" "start" "-a" "6370364e8924eb810bbbb88d37707d42e5cb7596be53adbc3f5e6cc5d89567dc"`
[INFO] [stderr]    Compiling contours v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.10s
[INFO] running `"docker" "inspect" "6370364e8924eb810bbbb88d37707d42e5cb7596be53adbc3f5e6cc5d89567dc"`
[INFO] running `"docker" "rm" "-f" "6370364e8924eb810bbbb88d37707d42e5cb7596be53adbc3f5e6cc5d89567dc"`
[INFO] [stdout] 6370364e8924eb810bbbb88d37707d42e5cb7596be53adbc3f5e6cc5d89567dc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/shockham/contours:/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] ee0b25e0697cc0d59e8ee3e54b4d46e06f8132c627cadc048738d9822b781ff6
[INFO] running `"docker" "start" "-a" "ee0b25e0697cc0d59e8ee3e54b4d46e06f8132c627cadc048738d9822b781ff6"`
[INFO] [stderr]    Compiling contours v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.74s
[INFO] running `"docker" "inspect" "ee0b25e0697cc0d59e8ee3e54b4d46e06f8132c627cadc048738d9822b781ff6"`
[INFO] running `"docker" "rm" "-f" "ee0b25e0697cc0d59e8ee3e54b4d46e06f8132c627cadc048738d9822b781ff6"`
[INFO] [stdout] ee0b25e0697cc0d59e8ee3e54b4d46e06f8132c627cadc048738d9822b781ff6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/shockham/contours:/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] 63aaa4402b4b58d33836efc22e1a3a5e3f2433e720affde8ea2ad1678f7d4b10
[INFO] running `"docker" "start" "-a" "63aaa4402b4b58d33836efc22e1a3a5e3f2433e720affde8ea2ad1678f7d4b10"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/contours-c21904338681628d
[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" "63aaa4402b4b58d33836efc22e1a3a5e3f2433e720affde8ea2ad1678f7d4b10"`
[INFO] running `"docker" "rm" "-f" "63aaa4402b4b58d33836efc22e1a3a5e3f2433e720affde8ea2ad1678f7d4b10"`
[INFO] [stdout] 63aaa4402b4b58d33836efc22e1a3a5e3f2433e720affde8ea2ad1678f7d4b10