[INFO] fetching crate extsort 0.2.0...
[INFO] checking extsort-0.2.0 against beta-2019-10-27 for pr-65897
[INFO] extracting crate extsort 0.2.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate extsort 0.2.0 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 extsort 0.2.0
[INFO] finished tweaking crates.io crate extsort 0.2.0
[INFO] tweaked toml for crates.io crate extsort 0.2.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] 9a21f4045f9f5c4500ccf2a443883adc9a2b1106c394e6afcd2b165aad775780
[INFO] running `"docker" "start" "-a" "9a21f4045f9f5c4500ccf2a443883adc9a2b1106c394e6afcd2b165aad775780"`
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]    Compiling same-file v1.0.5
[INFO] [stderr]    Compiling bytecount v0.4.0
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling walkdir v2.2.9
[INFO] [stderr]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]     Checking skeptic v0.13.4
[INFO] [stderr]    Compiling extsort v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]   --> benches/huge.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | #![feature(test)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0053]: method `encode` has an incompatible type for trait
[INFO] [stderr]   --> benches/huge.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn encode(item: &MyStruct, write: &mut Write) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `MyStruct`, found &MyStruct
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `fn(MyStruct, &mut dyn std::io::Write)`
[INFO] [stderr]               found type `fn(&MyStruct, &mut dyn std::io::Write)`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0053, E0554.
[INFO] [stderr] For more information about an error, try `rustc --explain E0053`.
[INFO] [stderr] error: could not compile `extsort`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "9a21f4045f9f5c4500ccf2a443883adc9a2b1106c394e6afcd2b165aad775780"`
[INFO] running `"docker" "rm" "-f" "9a21f4045f9f5c4500ccf2a443883adc9a2b1106c394e6afcd2b165aad775780"`
[INFO] [stdout] 9a21f4045f9f5c4500ccf2a443883adc9a2b1106c394e6afcd2b165aad775780