[INFO] updating cached repository cwest/cfenv-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cwest/cfenv-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cwest/cfenv-rust" "work/ex/beta-1.37-6/sources/1.36.0/gh/cwest/cfenv-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/cwest/cfenv-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cwest/cfenv-rust" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/cwest/cfenv-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/cwest/cfenv-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1c88397bce818a21a42769e75f4f35cd6399b179
[INFO] sha for GitHub repo cwest/cfenv-rust: 1c88397bce818a21a42769e75f4f35cd6399b179
[INFO] validating manifest of cwest/cfenv-rust on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cwest/cfenv-rust on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cwest/cfenv-rust
[INFO] finished frobbing cwest/cfenv-rust
[INFO] frobbed toml for cwest/cfenv-rust written to work/ex/beta-1.37-6/sources/1.36.0/gh/cwest/cfenv-rust/Cargo.toml
[INFO] started frobbing cwest/cfenv-rust
[INFO] finished frobbing cwest/cfenv-rust
[INFO] frobbed toml for cwest/cfenv-rust written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/cwest/cfenv-rust/Cargo.toml
[INFO] crate cwest/cfenv-rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/cwest/cfenv-rust/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing cwest/cfenv-rust against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/cwest/cfenv-rust:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 9da74b38afb315d50dd5dfd33eb61e3cd2d32118287bae8c4085cc84accb68ce
[INFO] running `"docker" "start" "-a" "9da74b38afb315d50dd5dfd33eb61e3cd2d32118287bae8c4085cc84accb68ce"`
[INFO] [stderr] warning: unused manifest key: target.heroku.version
[INFO] [stderr]    Compiling cfenv-rust v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.42s
[INFO] running `"docker" "inspect" "9da74b38afb315d50dd5dfd33eb61e3cd2d32118287bae8c4085cc84accb68ce"`
[INFO] running `"docker" "rm" "-f" "9da74b38afb315d50dd5dfd33eb61e3cd2d32118287bae8c4085cc84accb68ce"`
[INFO] [stdout] 9da74b38afb315d50dd5dfd33eb61e3cd2d32118287bae8c4085cc84accb68ce
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/cwest/cfenv-rust:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 68a8383313256a3ed302cd362fbdabc3bf7c508b143fc5b64ed06363d2d926c4
[INFO] running `"docker" "start" "-a" "68a8383313256a3ed302cd362fbdabc3bf7c508b143fc5b64ed06363d2d926c4"`
[INFO] [stderr] warning: unused manifest key: target.heroku.version
[INFO] [stderr]    Compiling cfenv-rust v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `"docker" "inspect" "68a8383313256a3ed302cd362fbdabc3bf7c508b143fc5b64ed06363d2d926c4"`
[INFO] running `"docker" "rm" "-f" "68a8383313256a3ed302cd362fbdabc3bf7c508b143fc5b64ed06363d2d926c4"`
[INFO] [stdout] 68a8383313256a3ed302cd362fbdabc3bf7c508b143fc5b64ed06363d2d926c4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/cwest/cfenv-rust:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 4585e6e7b8c9de700c899853b2737d478b3e937849eddd2165b6ee5c976a6cb4
[INFO] running `"docker" "start" "-a" "4585e6e7b8c9de700c899853b2737d478b3e937849eddd2165b6ee5c976a6cb4"`
[INFO] [stderr] warning: unused manifest key: target.heroku.version
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cfenv_rust-9fd775c583853554
[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" "4585e6e7b8c9de700c899853b2737d478b3e937849eddd2165b6ee5c976a6cb4"`
[INFO] running `"docker" "rm" "-f" "4585e6e7b8c9de700c899853b2737d478b3e937849eddd2165b6ee5c976a6cb4"`
[INFO] [stdout] 4585e6e7b8c9de700c899853b2737d478b3e937849eddd2165b6ee5c976a6cb4