[INFO] updating cached repository jasonprado/banana-split
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jasonprado/banana-split
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jasonprado/banana-split" "work/ex/beta-1.38-1/sources/1.37.0/gh/jasonprado/banana-split"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jasonprado/banana-split'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jasonprado/banana-split" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jasonprado/banana-split"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jasonprado/banana-split'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 55c0248f95bdd2d55b370af51b8637b15c485358
[INFO] sha for GitHub repo jasonprado/banana-split: 55c0248f95bdd2d55b370af51b8637b15c485358
[INFO] validating manifest of jasonprado/banana-split 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 jasonprado/banana-split 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 jasonprado/banana-split
[INFO] finished frobbing jasonprado/banana-split
[INFO] frobbed toml for jasonprado/banana-split written to work/ex/beta-1.38-1/sources/1.37.0/gh/jasonprado/banana-split/Cargo.toml
[INFO] started frobbing jasonprado/banana-split
[INFO] finished frobbing jasonprado/banana-split
[INFO] frobbed toml for jasonprado/banana-split written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jasonprado/banana-split/Cargo.toml
[INFO] crate jasonprado/banana-split 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jasonprado/banana-split/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[INFO] the lockfile is outdated, regenerating it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" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/Manishearth/rust-clippy`
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/Manishearth/rust-clippy`
[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 jasonprado/banana-split against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jasonprado/banana-split:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] f96767fb31da4128bcb6f7507439c4ecf50cd0c31dcac88143206ec6bb6b4805
[INFO] running `"docker" "start" "-a" "f96767fb31da4128bcb6f7507439c4ecf50cd0c31dcac88143206ec6bb6b4805"`
[INFO] [stderr] warning: path `/opt/crater/workdir/src/bs.rs` was erroneously implicitly accepted for binary `bs`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] [stderr]    Compiling smallvec v0.6.10
[INFO] [stderr]    Compiling pulldown-cmark v0.5.3
[INFO] [stderr]    Compiling rustc_tools_util v0.1.1 (https://github.com/Manishearth/rust-clippy#3710ec59)
[INFO] [stderr]    Compiling if_chain v0.1.3
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling backtrace v0.3.35
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/smallvec-0.6.10/lib.rs:33:32
[INFO] [stderr]    |
[INFO] [stderr] 33 | #![cfg_attr(feature = "union", feature(untagged_unions))]
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]    Compiling clippy v0.0.212 (https://github.com/Manishearth/rust-clippy#3710ec59)
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `smallvec`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "f96767fb31da4128bcb6f7507439c4ecf50cd0c31dcac88143206ec6bb6b4805"`
[INFO] running `"docker" "rm" "-f" "f96767fb31da4128bcb6f7507439c4ecf50cd0c31dcac88143206ec6bb6b4805"`
[INFO] [stdout] f96767fb31da4128bcb6f7507439c4ecf50cd0c31dcac88143206ec6bb6b4805