[INFO] fetching crate nnsplit 0.3.1...
[INFO] checking nnsplit-0.3.1 against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] extracting crate nnsplit 0.3.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate nnsplit 0.3.1 on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nnsplit 0.3.1
[INFO] removed 2 missing examples
[INFO] finished tweaking crates.io crate nnsplit 0.3.1
[INFO] tweaked toml for crates.io crate nnsplit 0.3.1 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate nnsplit 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", 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] 6577f8850b5db0bd88500cfb08fe6e00ae6463a2667c3308c651e92f1fd7ac91
[INFO] running `Command { std: "docker" "start" "-a" "6577f8850b5db0bd88500cfb08fe6e00ae6463a2667c3308c651e92f1fd7ac91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6577f8850b5db0bd88500cfb08fe6e00ae6463a2667c3308c651e92f1fd7ac91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6577f8850b5db0bd88500cfb08fe6e00ae6463a2667c3308c651e92f1fd7ac91", kill_on_drop: false }`
[INFO] [stdout] 6577f8850b5db0bd88500cfb08fe6e00ae6463a2667c3308c651e92f1fd7ac91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "RUSTFLAGS=--cap-lints=forbid" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] adb4e7e3958f9475d35b35fee83be0f5683a18e7c66462ddc2bf6847de6c7aaf
[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" "adb4e7e3958f9475d35b35fee83be0f5683a18e7c66462ddc2bf6847de6c7aaf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling syn v1.0.34
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking serde_json v1.0.56
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling quickcheck_macros v0.9.1
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking nnsplit v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: missing documentation for a struct field
[INFO] [stdout]    --> src/lib.rs:250:5
[INFO] [stdout]     |
[INFO] [stdout] 250 |     pub options: NNSplitOptions,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:4:9
[INFO] [stdout]     |
[INFO] [stdout] 4   | #![warn(missing_docs)]
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a struct field
[INFO] [stdout]    --> src/lib.rs:251:5
[INFO] [stdout]     |
[INFO] [stdout] 251 |     pub split_sequence: SplitSequence,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.69s
[INFO] running `Command { std: "docker" "inspect" "adb4e7e3958f9475d35b35fee83be0f5683a18e7c66462ddc2bf6847de6c7aaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adb4e7e3958f9475d35b35fee83be0f5683a18e7c66462ddc2bf6847de6c7aaf", kill_on_drop: false }`
[INFO] [stdout] adb4e7e3958f9475d35b35fee83be0f5683a18e7c66462ddc2bf6847de6c7aaf