[INFO] updating cached repository mrchoung/rust_begin
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mrchoung/rust_begin
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mrchoung/rust_begin" "work/ex/beta-1.38-1/sources/1.37.0/gh/mrchoung/rust_begin"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mrchoung/rust_begin'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mrchoung/rust_begin" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mrchoung/rust_begin"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mrchoung/rust_begin'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 33c0a8213b7db279456799903638535c11c4396d
[INFO] sha for GitHub repo mrchoung/rust_begin: 33c0a8213b7db279456799903638535c11c4396d
[INFO] validating manifest of mrchoung/rust_begin 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 mrchoung/rust_begin 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 mrchoung/rust_begin
[INFO] finished frobbing mrchoung/rust_begin
[INFO] frobbed toml for mrchoung/rust_begin written to work/ex/beta-1.38-1/sources/1.37.0/gh/mrchoung/rust_begin/Cargo.toml
[INFO] started frobbing mrchoung/rust_begin
[INFO] finished frobbing mrchoung/rust_begin
[INFO] frobbed toml for mrchoung/rust_begin written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mrchoung/rust_begin/Cargo.toml
[INFO] crate mrchoung/rust_begin 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 mrchoung/rust_begin 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/mrchoung/rust_begin:/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] f598ef08d66263b00ac3c61cd0efba1878c883b80e15674652a1fc48a9c57e5e
[INFO] running `"docker" "start" "-a" "f598ef08d66263b00ac3c61cd0efba1878c883b80e15674652a1fc48a9c57e5e"`
[INFO] [stderr]    Compiling begin v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `"docker" "inspect" "f598ef08d66263b00ac3c61cd0efba1878c883b80e15674652a1fc48a9c57e5e"`
[INFO] running `"docker" "rm" "-f" "f598ef08d66263b00ac3c61cd0efba1878c883b80e15674652a1fc48a9c57e5e"`
[INFO] [stdout] f598ef08d66263b00ac3c61cd0efba1878c883b80e15674652a1fc48a9c57e5e
[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/mrchoung/rust_begin:/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] 673184d6ee165bf0d079eb519868709617084c2b6a9d0e8526408f82e9d724af
[INFO] running `"docker" "start" "-a" "673184d6ee165bf0d079eb519868709617084c2b6a9d0e8526408f82e9d724af"`
[INFO] [stderr]    Compiling begin v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "673184d6ee165bf0d079eb519868709617084c2b6a9d0e8526408f82e9d724af"`
[INFO] running `"docker" "rm" "-f" "673184d6ee165bf0d079eb519868709617084c2b6a9d0e8526408f82e9d724af"`
[INFO] [stdout] 673184d6ee165bf0d079eb519868709617084c2b6a9d0e8526408f82e9d724af
[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/mrchoung/rust_begin:/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] 87ca1d1c6741aec305cdd78afa896c60380b917983725422b8d1ff42667969b3
[INFO] running `"docker" "start" "-a" "87ca1d1c6741aec305cdd78afa896c60380b917983725422b8d1ff42667969b3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/begin-27ccf100b7cb4e06
[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" "87ca1d1c6741aec305cdd78afa896c60380b917983725422b8d1ff42667969b3"`
[INFO] running `"docker" "rm" "-f" "87ca1d1c6741aec305cdd78afa896c60380b917983725422b8d1ff42667969b3"`
[INFO] [stdout] 87ca1d1c6741aec305cdd78afa896c60380b917983725422b8d1ff42667969b3