[INFO] updating cached repository walfie-sandbox/rust-ci-example
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/walfie-sandbox/rust-ci-example
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/walfie-sandbox/rust-ci-example" "work/ex/beta-1.38-1/sources/1.37.0/gh/walfie-sandbox/rust-ci-example"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/walfie-sandbox/rust-ci-example'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/walfie-sandbox/rust-ci-example" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/walfie-sandbox/rust-ci-example"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/walfie-sandbox/rust-ci-example'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b9ad9bcd5dfb7bfbf24b27e7f94f888de1a94e48
[INFO] sha for GitHub repo walfie-sandbox/rust-ci-example: b9ad9bcd5dfb7bfbf24b27e7f94f888de1a94e48
[INFO] validating manifest of walfie-sandbox/rust-ci-example 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 walfie-sandbox/rust-ci-example 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 walfie-sandbox/rust-ci-example
[INFO] finished frobbing walfie-sandbox/rust-ci-example
[INFO] frobbed toml for walfie-sandbox/rust-ci-example written to work/ex/beta-1.38-1/sources/1.37.0/gh/walfie-sandbox/rust-ci-example/Cargo.toml
[INFO] started frobbing walfie-sandbox/rust-ci-example
[INFO] finished frobbing walfie-sandbox/rust-ci-example
[INFO] frobbed toml for walfie-sandbox/rust-ci-example written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/walfie-sandbox/rust-ci-example/Cargo.toml
[INFO] crate walfie-sandbox/rust-ci-example 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 walfie-sandbox/rust-ci-example 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/walfie-sandbox/rust-ci-example:/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] b071ea8eae775ec80c886ae5c9c71f9f81a0776a52a5c1d6f7f56ac86b10ee02
[INFO] running `"docker" "start" "-a" "b071ea8eae775ec80c886ae5c9c71f9f81a0776a52a5c1d6f7f56ac86b10ee02"`
[INFO] [stderr]    Compiling rust-ci-example v0.1.3-alpha.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "b071ea8eae775ec80c886ae5c9c71f9f81a0776a52a5c1d6f7f56ac86b10ee02"`
[INFO] running `"docker" "rm" "-f" "b071ea8eae775ec80c886ae5c9c71f9f81a0776a52a5c1d6f7f56ac86b10ee02"`
[INFO] [stdout] b071ea8eae775ec80c886ae5c9c71f9f81a0776a52a5c1d6f7f56ac86b10ee02
[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/walfie-sandbox/rust-ci-example:/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] 6727d627d7e0d1bf3ae988d09a962c2a8dfb487c164d75fb03cb85e0b399f20a
[INFO] running `"docker" "start" "-a" "6727d627d7e0d1bf3ae988d09a962c2a8dfb487c164d75fb03cb85e0b399f20a"`
[INFO] [stderr]    Compiling rust-ci-example v0.1.3-alpha.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `"docker" "inspect" "6727d627d7e0d1bf3ae988d09a962c2a8dfb487c164d75fb03cb85e0b399f20a"`
[INFO] running `"docker" "rm" "-f" "6727d627d7e0d1bf3ae988d09a962c2a8dfb487c164d75fb03cb85e0b399f20a"`
[INFO] [stdout] 6727d627d7e0d1bf3ae988d09a962c2a8dfb487c164d75fb03cb85e0b399f20a
[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/walfie-sandbox/rust-ci-example:/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] ced0619d955bb5de252b47e1663a2d88c0e77f2dc9ac8a9806f3107fc8ab21f8
[INFO] running `"docker" "start" "-a" "ced0619d955bb5de252b47e1663a2d88c0e77f2dc9ac8a9806f3107fc8ab21f8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_ci_example-b3ca60075ccf7903
[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" "ced0619d955bb5de252b47e1663a2d88c0e77f2dc9ac8a9806f3107fc8ab21f8"`
[INFO] running `"docker" "rm" "-f" "ced0619d955bb5de252b47e1663a2d88c0e77f2dc9ac8a9806f3107fc8ab21f8"`
[INFO] [stdout] ced0619d955bb5de252b47e1663a2d88c0e77f2dc9ac8a9806f3107fc8ab21f8