[INFO] crate hot-ranking-algorithm-rust 1.0.1 is already in cache
[INFO] extracting crate hot-ranking-algorithm-rust 1.0.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/hot-ranking-algorithm-rust/1.0.1
[INFO] extracting crate hot-ranking-algorithm-rust 1.0.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/hot-ranking-algorithm-rust/1.0.1
[INFO] validating manifest of hot-ranking-algorithm-rust-1.0.1 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 hot-ranking-algorithm-rust-1.0.1 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 hot-ranking-algorithm-rust-1.0.1
[INFO] finished frobbing hot-ranking-algorithm-rust-1.0.1
[INFO] frobbed toml for hot-ranking-algorithm-rust-1.0.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/hot-ranking-algorithm-rust/1.0.1/Cargo.toml
[INFO] started frobbing hot-ranking-algorithm-rust-1.0.1
[INFO] finished frobbing hot-ranking-algorithm-rust-1.0.1
[INFO] frobbed toml for hot-ranking-algorithm-rust-1.0.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/hot-ranking-algorithm-rust/1.0.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 hot-ranking-algorithm-rust-1.0.1 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/hot-ranking-algorithm-rust/1.0.1:/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] 221f1f6dafc91a140549721a2a04fd4e2602d8f711203836227ea96a64b3fc6f
[INFO] running `"docker" "start" "-a" "221f1f6dafc91a140549721a2a04fd4e2602d8f711203836227ea96a64b3fc6f"`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling quine-mc_cluskey v0.2.4
[INFO] [stderr]    Compiling semver v0.6.0
[INFO] [stderr]    Compiling cargo_metadata v0.1.2
[INFO] [stderr]    Compiling clippy_lints v0.0.124
[INFO] [stderr] error[E0463]: can't find crate for `collections`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/clippy_lints-0.0.124/src/lib.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | 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] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "221f1f6dafc91a140549721a2a04fd4e2602d8f711203836227ea96a64b3fc6f"`
[INFO] running `"docker" "rm" "-f" "221f1f6dafc91a140549721a2a04fd4e2602d8f711203836227ea96a64b3fc6f"`
[INFO] [stdout] 221f1f6dafc91a140549721a2a04fd4e2602d8f711203836227ea96a64b3fc6f