[INFO] updating cached repository gh-shin/rust-beginning
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/gh-shin/rust-beginning
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/gh-shin/rust-beginning" "work/ex/beta-1.38-1/sources/1.37.0/gh/gh-shin/rust-beginning"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/gh-shin/rust-beginning'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/gh-shin/rust-beginning" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gh-shin/rust-beginning"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gh-shin/rust-beginning'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 56dc39308dad2dda540a12ff4718cb61ed2c6fdf
[INFO] sha for GitHub repo gh-shin/rust-beginning: 56dc39308dad2dda540a12ff4718cb61ed2c6fdf
[INFO] validating manifest of gh-shin/rust-beginning 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 gh-shin/rust-beginning 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 gh-shin/rust-beginning
[INFO] finished frobbing gh-shin/rust-beginning
[INFO] frobbed toml for gh-shin/rust-beginning written to work/ex/beta-1.38-1/sources/1.37.0/gh/gh-shin/rust-beginning/Cargo.toml
[INFO] started frobbing gh-shin/rust-beginning
[INFO] finished frobbing gh-shin/rust-beginning
[INFO] frobbed toml for gh-shin/rust-beginning written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gh-shin/rust-beginning/Cargo.toml
[INFO] crate gh-shin/rust-beginning 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 gh-shin/rust-beginning 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/gh-shin/rust-beginning:/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] 89498595d274c6e0cdcb95927afb756d6c07a06b9f72b595099849d196cf5d61
[INFO] running `"docker" "start" "-a" "89498595d274c6e0cdcb95927afb756d6c07a06b9f72b595099849d196cf5d61"`
[INFO] [stderr]    Compiling rust-beginning v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "89498595d274c6e0cdcb95927afb756d6c07a06b9f72b595099849d196cf5d61"`
[INFO] running `"docker" "rm" "-f" "89498595d274c6e0cdcb95927afb756d6c07a06b9f72b595099849d196cf5d61"`
[INFO] [stdout] 89498595d274c6e0cdcb95927afb756d6c07a06b9f72b595099849d196cf5d61
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/gh-shin/rust-beginning:/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] 70e4fb003ea7a717d7b88067e11641bbd59eea8d0d6a85b374ddff158c28c0ba
[INFO] running `"docker" "start" "-a" "70e4fb003ea7a717d7b88067e11641bbd59eea8d0d6a85b374ddff158c28c0ba"`
[INFO] [stderr]    Compiling rust-beginning v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `"docker" "inspect" "70e4fb003ea7a717d7b88067e11641bbd59eea8d0d6a85b374ddff158c28c0ba"`
[INFO] running `"docker" "rm" "-f" "70e4fb003ea7a717d7b88067e11641bbd59eea8d0d6a85b374ddff158c28c0ba"`
[INFO] [stdout] 70e4fb003ea7a717d7b88067e11641bbd59eea8d0d6a85b374ddff158c28c0ba
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/gh-shin/rust-beginning:/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] f140dd8ce094f2a83d1c8572b730e1a7c2689442c39670bc27bdacfc98126f4d
[INFO] running `"docker" "start" "-a" "f140dd8ce094f2a83d1c8572b730e1a7c2689442c39670bc27bdacfc98126f4d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_beginning-8be5fbc4ab3b77f8
[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" "f140dd8ce094f2a83d1c8572b730e1a7c2689442c39670bc27bdacfc98126f4d"`
[INFO] running `"docker" "rm" "-f" "f140dd8ce094f2a83d1c8572b730e1a7c2689442c39670bc27bdacfc98126f4d"`
[INFO] [stdout] f140dd8ce094f2a83d1c8572b730e1a7c2689442c39670bc27bdacfc98126f4d