[INFO] fetching crate alpaca 0.1.0...
[INFO] documenting alpaca-0.1.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate alpaca 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate alpaca 0.1.0 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate alpaca 0.1.0
[INFO] finished tweaking crates.io crate alpaca 0.1.0
[INFO] tweaked toml for crates.io crate alpaca 0.1.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded feature-probe v0.1.1
[INFO] [stderr]   Downloaded statrs v0.12.0
[INFO] [stderr]   Downloaded bv v0.11.1
[INFO] [stderr]   Downloaded bio v0.32.0
[INFO] [stderr]   Downloaded triple_accel v0.3.2
[INFO] [stderr]   Downloaded crossbeam v0.1.6
[INFO] [stderr]   Downloaded itertools-num v0.1.3
[INFO] [stderr]   Downloaded simple_parallel v0.3.0
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0966a68e52cebd1b085dd22c9ce33f27184434027ca91471b3fc0ea26db4b3e1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0966a68e52cebd1b085dd22c9ce33f27184434027ca91471b3fc0ea26db4b3e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0966a68e52cebd1b085dd22c9ce33f27184434027ca91471b3fc0ea26db4b3e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0966a68e52cebd1b085dd22c9ce33f27184434027ca91471b3fc0ea26db4b3e1", kill_on_drop: false }`
[INFO] [stdout] 0966a68e52cebd1b085dd22c9ce33f27184434027ca91471b3fc0ea26db4b3e1
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 342dd3020d629b2a7ab6b7f4c3ace942f53b0a6c995091d1b4a6818d2596ca74
[INFO] running `Command { std: "docker" "start" "-a" "342dd3020d629b2a7ab6b7f4c3ace942f53b0a6c995091d1b4a6818d2596ca74", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling feature-probe v0.1.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]    Compiling peg-runtime v0.6.3
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking array-macro v1.0.5
[INFO] [stderr]    Compiling bio v0.32.0
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]     Checking linear-map v1.2.0
[INFO] [stderr]     Checking ieee754 v0.2.6
[INFO] [stderr]     Checking bytecount v0.6.0
[INFO] [stderr]     Checking triple_accel v0.3.2
[INFO] [stderr]     Checking strum v0.18.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking crossbeam v0.1.6
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking argparse v0.2.2
[INFO] [stderr]    Compiling indexmap v1.5.2
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling fs-utils v1.1.4
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stdout] error[E0512]: cannot transmute between types of different sizes, or dependently-sized types
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-0.1.6/src/sync/seg_queue.rs:34:29
[INFO] [stdout]    |
[INFO] [stdout] 34 |             ready: unsafe { mem::transmute([0usize; SEG_SIZE]) },
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: source type: `[usize; 32]` (2048 bits)
[INFO] [stdout]    = note: target type: `[std::sync::atomic::AtomicBool; 32]` (256 bits)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0512`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr] error: could not compile `crossbeam`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "342dd3020d629b2a7ab6b7f4c3ace942f53b0a6c995091d1b4a6818d2596ca74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "342dd3020d629b2a7ab6b7f4c3ace942f53b0a6c995091d1b4a6818d2596ca74", kill_on_drop: false }`
[INFO] [stdout] 342dd3020d629b2a7ab6b7f4c3ace942f53b0a6c995091d1b4a6818d2596ca74