[INFO] updating cached repository angelini/chess
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/angelini/chess
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/angelini/chess" "work/ex/beta-1.38-1/sources/1.37.0/gh/angelini/chess"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/angelini/chess'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/angelini/chess" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/angelini/chess"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/angelini/chess'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7a15055156d405448d2453cec1aadd03ed0000dc
[INFO] sha for GitHub repo angelini/chess: 7a15055156d405448d2453cec1aadd03ed0000dc
[INFO] validating manifest of angelini/chess 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 angelini/chess 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 angelini/chess
[INFO] finished frobbing angelini/chess
[INFO] frobbed toml for angelini/chess written to work/ex/beta-1.38-1/sources/1.37.0/gh/angelini/chess/Cargo.toml
[INFO] started frobbing angelini/chess
[INFO] finished frobbing angelini/chess
[INFO] frobbed toml for angelini/chess written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/angelini/chess/Cargo.toml
[INFO] crate angelini/chess 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 angelini/chess 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/angelini/chess:/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] 158460a353b17997124697ede9c98997fd7beddf8efc9dac8bd2d31a9b675b58
[INFO] running `"docker" "start" "-a" "158460a353b17997124697ede9c98997fd7beddf8efc9dac8bd2d31a9b675b58"`
[INFO] [stderr]    Compiling log v0.3.6
[INFO] [stderr]    Compiling toml v0.1.30
[INFO] [stderr]    Compiling num_cpus v1.2.0
[INFO] [stderr]    Compiling futures v0.1.7
[INFO] [stderr]    Compiling clippy_lints v0.0.104
[INFO] [stderr]    Compiling futures-cpupool v0.1.2
[INFO] [stderr] error[E0463]: can't find crate for `collections`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/clippy_lints-0.0.104/src/lib.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | extern crate collections;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `clippy_lints`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "158460a353b17997124697ede9c98997fd7beddf8efc9dac8bd2d31a9b675b58"`
[INFO] running `"docker" "rm" "-f" "158460a353b17997124697ede9c98997fd7beddf8efc9dac8bd2d31a9b675b58"`
[INFO] [stdout] 158460a353b17997124697ede9c98997fd7beddf8efc9dac8bd2d31a9b675b58