[INFO] crate sheep 0.3.0 is already in cache
[INFO] checking sheep-0.3.0 against beta-2019-10-27 for pr-65897
[INFO] extracting crate sheep 0.3.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate sheep 0.3.0 on toolchain beta-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate sheep 0.3.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate sheep 0.3.0
[INFO] tweaked toml for crates.io crate sheep 0.3.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate sheep 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-10-27" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3fd00a2b1f18932eca1f6faa33a7345550e2bb7986896931c5618c5e8f39a660
[INFO] running `"docker" "start" "-a" "3fd00a2b1f18932eca1f6faa33a7345550e2bb7986896931c5618c5e8f39a660"`
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking gif v0.10.2
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking twox-hash v1.5.0
[INFO] [stderr]     Checking rayon-core v1.5.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking image v0.20.1
[INFO] [stderr]     Checking ron v0.4.2
[INFO] [stderr]     Checking sheep v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> benches/maxrects.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(test)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `preferred_width` found for type `sheep::MaxrectsOptions` in the current scope
[INFO] [stderr]   --> benches/maxrects.rs:21:10
[INFO] [stderr]    |
[INFO] [stderr] 21 |         .preferred_width(1000 * 100)
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^ method not found in `sheep::MaxrectsOptions`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0554, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `sheep`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "3fd00a2b1f18932eca1f6faa33a7345550e2bb7986896931c5618c5e8f39a660"`
[INFO] running `"docker" "rm" "-f" "3fd00a2b1f18932eca1f6faa33a7345550e2bb7986896931c5618c5e8f39a660"`
[INFO] [stdout] 3fd00a2b1f18932eca1f6faa33a7345550e2bb7986896931c5618c5e8f39a660