[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 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 4819b33291818f269c679a53b19700d876297c3af2348f871c530d51a98ecd92
[INFO] running `"docker" "start" "-a" "4819b33291818f269c679a53b19700d876297c3af2348f871c530d51a98ecd92"`
[INFO] [stderr]    Compiling rust_sample v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `"docker" "inspect" "4819b33291818f269c679a53b19700d876297c3af2348f871c530d51a98ecd92"`
[INFO] running `"docker" "rm" "-f" "4819b33291818f269c679a53b19700d876297c3af2348f871c530d51a98ecd92"`
[INFO] [stdout] 4819b33291818f269c679a53b19700d876297c3af2348f871c530d51a98ecd92
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 868f68a8599fcd98872dae90e430e2d529c90568c6903f05db760e2969d7f414
[INFO] running `"docker" "start" "-a" "868f68a8599fcd98872dae90e430e2d529c90568c6903f05db760e2969d7f414"`
[INFO] [stderr]    Compiling rust_sample v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `"docker" "inspect" "868f68a8599fcd98872dae90e430e2d529c90568c6903f05db760e2969d7f414"`
[INFO] running `"docker" "rm" "-f" "868f68a8599fcd98872dae90e430e2d529c90568c6903f05db760e2969d7f414"`
[INFO] [stdout] 868f68a8599fcd98872dae90e430e2d529c90568c6903f05db760e2969d7f414
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] a78047c8a636b7b9e07ed47cd845ce4a82c8efb3ee82176b166adf0285aa76f2
[INFO] running `"docker" "start" "-a" "a78047c8a636b7b9e07ed47cd845ce4a82c8efb3ee82176b166adf0285aa76f2"`
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_sample-c791c163cdf349ad
[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" "a78047c8a636b7b9e07ed47cd845ce4a82c8efb3ee82176b166adf0285aa76f2"`
[INFO] running `"docker" "rm" "-f" "a78047c8a636b7b9e07ed47cd845ce4a82c8efb3ee82176b166adf0285aa76f2"`
[INFO] [stdout] a78047c8a636b7b9e07ed47cd845ce4a82c8efb3ee82176b166adf0285aa76f2