[INFO] updating cached repository jgilchrist/genetic-art
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jgilchrist/genetic-art
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jgilchrist/genetic-art" "work/ex/beta-1.38-1/sources/1.37.0/gh/jgilchrist/genetic-art"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jgilchrist/genetic-art'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jgilchrist/genetic-art" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jgilchrist/genetic-art"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jgilchrist/genetic-art'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bb0714ec0820a98a4f8a6662576fa44c6cf33a8b
[INFO] sha for GitHub repo jgilchrist/genetic-art: bb0714ec0820a98a4f8a6662576fa44c6cf33a8b
[INFO] validating manifest of jgilchrist/genetic-art 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 jgilchrist/genetic-art 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 jgilchrist/genetic-art
[INFO] finished frobbing jgilchrist/genetic-art
[INFO] frobbed toml for jgilchrist/genetic-art written to work/ex/beta-1.38-1/sources/1.37.0/gh/jgilchrist/genetic-art/Cargo.toml
[INFO] started frobbing jgilchrist/genetic-art
[INFO] finished frobbing jgilchrist/genetic-art
[INFO] frobbed toml for jgilchrist/genetic-art written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jgilchrist/genetic-art/Cargo.toml
[INFO] crate jgilchrist/genetic-art 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 jgilchrist/genetic-art 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jgilchrist/genetic-art:/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] 3e90f8dd9f25a5626b2df6972fb01fbb9efac376bb3c4100624300219f7caab1
[INFO] running `"docker" "start" "-a" "3e90f8dd9f25a5626b2df6972fb01fbb9efac376bb3c4100624300219f7caab1"`
[INFO] [stderr]    Compiling quine-mc_cluskey v0.2.4
[INFO] [stderr]    Compiling num_cpus v1.1.0
[INFO] [stderr]    Compiling miniz-sys v0.1.7
[INFO] [stderr]    Compiling num-complex v0.1.35
[INFO] [stderr]    Compiling toml v0.1.30
[INFO] [stderr]    Compiling deque v0.3.1
[INFO] [stderr]    Compiling num-bigint v0.1.35
[INFO] [stderr]    Compiling rayon v0.5.0
[INFO] [stderr]    Compiling num-rational v0.1.35
[INFO] [stderr]    Compiling flate2 v0.2.14
[INFO] [stderr]    Compiling clippy_lints v0.0.99
[INFO] [stderr]    Compiling num v0.1.36
[INFO] [stderr]    Compiling enum_primitive v0.1.0
[INFO] [stderr]    Compiling geo v0.3.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.8
[INFO] [stderr]    Compiling png v0.5.2
[INFO] [stderr] error[E0463]: can't find crate for `collections`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/clippy_lints-0.0.99/src/lib.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | 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" "3e90f8dd9f25a5626b2df6972fb01fbb9efac376bb3c4100624300219f7caab1"`
[INFO] running `"docker" "rm" "-f" "3e90f8dd9f25a5626b2df6972fb01fbb9efac376bb3c4100624300219f7caab1"`
[INFO] [stdout] 3e90f8dd9f25a5626b2df6972fb01fbb9efac376bb3c4100624300219f7caab1