[INFO] fetching crate rand_distr 0.2.2...
[INFO] checking rand_distr-0.2.2 against beta-2019-10-27 for pr-65897
[INFO] extracting crate rand_distr 0.2.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate rand_distr 0.2.2 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 rand_distr 0.2.2
[INFO] finished tweaking crates.io crate rand_distr 0.2.2
[INFO] tweaked toml for crates.io crate rand_distr 0.2.2 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] c9de761f3190d5cb684b3bfcdeb9adbe4ffd0df51fde2c49a8676b869af5d28a
[INFO] running `"docker" "start" "-a" "c9de761f3190d5cb684b3bfcdeb9adbe4ffd0df51fde2c49a8676b869af5d28a"`
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking float-ord v0.2.0
[INFO] [stderr]     Checking rand_distr v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking conv v0.3.3
[INFO] [stderr]     Checking average v0.10.3
[INFO] [stderr] error[E0432]: unresolved import `test`
[INFO] [stderr]   --> benches/distributions.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use test::Bencher;
[INFO] [stderr]    |     ^^^^ use of undeclared type or module `test`
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> benches/distributions.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | #![feature(test)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0554.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `rand_distr`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "c9de761f3190d5cb684b3bfcdeb9adbe4ffd0df51fde2c49a8676b869af5d28a"`
[INFO] running `"docker" "rm" "-f" "c9de761f3190d5cb684b3bfcdeb9adbe4ffd0df51fde2c49a8676b869af5d28a"`
[INFO] [stdout] c9de761f3190d5cb684b3bfcdeb9adbe4ffd0df51fde2c49a8676b869af5d28a