[INFO] updating cached repository t-tonchim/rust_sample
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/t-tonchim/rust_sample
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/t-tonchim/rust_sample" "work/ex/beta-1.38-1/sources/1.37.0/gh/t-tonchim/rust_sample"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/t-tonchim/rust_sample'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/t-tonchim/rust_sample" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/t-tonchim/rust_sample"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/t-tonchim/rust_sample'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 18ba5d08aa0ead798ac2bd31ffa49531dbbe1ea0
[INFO] sha for GitHub repo t-tonchim/rust_sample: 18ba5d08aa0ead798ac2bd31ffa49531dbbe1ea0
[INFO] validating manifest of t-tonchim/rust_sample 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 t-tonchim/rust_sample 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 t-tonchim/rust_sample
[INFO] finished frobbing t-tonchim/rust_sample
[INFO] frobbed toml for t-tonchim/rust_sample written to work/ex/beta-1.38-1/sources/1.37.0/gh/t-tonchim/rust_sample/Cargo.toml
[INFO] started frobbing t-tonchim/rust_sample
[INFO] finished frobbing t-tonchim/rust_sample
[INFO] frobbed toml for t-tonchim/rust_sample written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/t-tonchim/rust_sample/Cargo.toml
[INFO] crate t-tonchim/rust_sample 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 t-tonchim/rust_sample 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-4/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/t-tonchim/rust_sample:/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] 7c8f9e2c34ac0037edc6599c5ca7969c7d35df64549b86da9b64992f99d0d0b0
[INFO] running `"docker" "start" "-a" "7c8f9e2c34ac0037edc6599c5ca7969c7d35df64549b86da9b64992f99d0d0b0"`
[INFO] [stderr]    Compiling rust_sample v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `"docker" "inspect" "7c8f9e2c34ac0037edc6599c5ca7969c7d35df64549b86da9b64992f99d0d0b0"`
[INFO] running `"docker" "rm" "-f" "7c8f9e2c34ac0037edc6599c5ca7969c7d35df64549b86da9b64992f99d0d0b0"`
[INFO] [stdout] 7c8f9e2c34ac0037edc6599c5ca7969c7d35df64549b86da9b64992f99d0d0b0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/t-tonchim/rust_sample:/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] fbaddd02b6f555536becf7def7d02a6c43a927d21cce9c768a8f47731d8eba7b
[INFO] running `"docker" "start" "-a" "fbaddd02b6f555536becf7def7d02a6c43a927d21cce9c768a8f47731d8eba7b"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_sample v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `"docker" "inspect" "fbaddd02b6f555536becf7def7d02a6c43a927d21cce9c768a8f47731d8eba7b"`
[INFO] running `"docker" "rm" "-f" "fbaddd02b6f555536becf7def7d02a6c43a927d21cce9c768a8f47731d8eba7b"`
[INFO] [stdout] fbaddd02b6f555536becf7def7d02a6c43a927d21cce9c768a8f47731d8eba7b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/t-tonchim/rust_sample:/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] e78ce3f7a2a0cb9d256265c76d905441d6bf9182637f1085bfc55cbdbc57d35b
[INFO] running `"docker" "start" "-a" "e78ce3f7a2a0cb9d256265c76d905441d6bf9182637f1085bfc55cbdbc57d35b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_sample-4a9aa2baca26726b
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_gcd ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e78ce3f7a2a0cb9d256265c76d905441d6bf9182637f1085bfc55cbdbc57d35b"`
[INFO] running `"docker" "rm" "-f" "e78ce3f7a2a0cb9d256265c76d905441d6bf9182637f1085bfc55cbdbc57d35b"`
[INFO] [stdout] e78ce3f7a2a0cb9d256265c76d905441d6bf9182637f1085bfc55cbdbc57d35b