[INFO] updating cached repository jmenglis/rust_twelve_days_of_christmas
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jmenglis/rust_twelve_days_of_christmas
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jmenglis/rust_twelve_days_of_christmas" "work/ex/beta-1.38-1/sources/1.37.0/gh/jmenglis/rust_twelve_days_of_christmas"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jmenglis/rust_twelve_days_of_christmas'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jmenglis/rust_twelve_days_of_christmas" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jmenglis/rust_twelve_days_of_christmas"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jmenglis/rust_twelve_days_of_christmas'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f00ce3cd6340c88042ab760c230f775c80437600
[INFO] sha for GitHub repo jmenglis/rust_twelve_days_of_christmas: f00ce3cd6340c88042ab760c230f775c80437600
[INFO] validating manifest of jmenglis/rust_twelve_days_of_christmas 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 jmenglis/rust_twelve_days_of_christmas 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 jmenglis/rust_twelve_days_of_christmas
[INFO] finished frobbing jmenglis/rust_twelve_days_of_christmas
[INFO] frobbed toml for jmenglis/rust_twelve_days_of_christmas written to work/ex/beta-1.38-1/sources/1.37.0/gh/jmenglis/rust_twelve_days_of_christmas/Cargo.toml
[INFO] started frobbing jmenglis/rust_twelve_days_of_christmas
[INFO] finished frobbing jmenglis/rust_twelve_days_of_christmas
[INFO] frobbed toml for jmenglis/rust_twelve_days_of_christmas written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jmenglis/rust_twelve_days_of_christmas/Cargo.toml
[INFO] crate jmenglis/rust_twelve_days_of_christmas 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 jmenglis/rust_twelve_days_of_christmas 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jmenglis/rust_twelve_days_of_christmas:/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] 93fa1af351b06951a8d8acc26c42e80cddf35ee8feb8ff55d8f9b26bc9f2104a
[INFO] running `"docker" "start" "-a" "93fa1af351b06951a8d8acc26c42e80cddf35ee8feb8ff55d8f9b26bc9f2104a"`
[INFO] [stderr]    Compiling twelve_days_of_christmas v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `"docker" "inspect" "93fa1af351b06951a8d8acc26c42e80cddf35ee8feb8ff55d8f9b26bc9f2104a"`
[INFO] running `"docker" "rm" "-f" "93fa1af351b06951a8d8acc26c42e80cddf35ee8feb8ff55d8f9b26bc9f2104a"`
[INFO] [stdout] 93fa1af351b06951a8d8acc26c42e80cddf35ee8feb8ff55d8f9b26bc9f2104a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jmenglis/rust_twelve_days_of_christmas:/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] ee0024db5401d0062cec5cd12950d19855f95e0136d1c1b9256f4194a6196e93
[INFO] running `"docker" "start" "-a" "ee0024db5401d0062cec5cd12950d19855f95e0136d1c1b9256f4194a6196e93"`
[INFO] [stderr]    Compiling twelve_days_of_christmas v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `"docker" "inspect" "ee0024db5401d0062cec5cd12950d19855f95e0136d1c1b9256f4194a6196e93"`
[INFO] running `"docker" "rm" "-f" "ee0024db5401d0062cec5cd12950d19855f95e0136d1c1b9256f4194a6196e93"`
[INFO] [stdout] ee0024db5401d0062cec5cd12950d19855f95e0136d1c1b9256f4194a6196e93
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jmenglis/rust_twelve_days_of_christmas:/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] 49eca1ed9c0c4a66be99dde284d287af6b77563186c039a9d9d433c78ae2a19b
[INFO] running `"docker" "start" "-a" "49eca1ed9c0c4a66be99dde284d287af6b77563186c039a9d9d433c78ae2a19b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/twelve_days_of_christmas-384d100ebf1f943e
[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" "49eca1ed9c0c4a66be99dde284d287af6b77563186c039a9d9d433c78ae2a19b"`
[INFO] running `"docker" "rm" "-f" "49eca1ed9c0c4a66be99dde284d287af6b77563186c039a9d9d433c78ae2a19b"`
[INFO] [stdout] 49eca1ed9c0c4a66be99dde284d287af6b77563186c039a9d9d433c78ae2a19b