[INFO] cloning repository https://github.com/SpaceEraser/evolutionary_regression
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SpaceEraser/evolutionary_regression" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpaceEraser%2Fevolutionary_regression", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpaceEraser%2Fevolutionary_regression'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 36dc4304f2e9504ee202e486cdfe52d2da79cecc
[INFO] documenting SpaceEraser/evolutionary_regression against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpaceEraser%2Fevolutionary_regression" "/workspace/builds/worker-31/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-31/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SpaceEraser/evolutionary_regression on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SpaceEraser/evolutionary_regression
[INFO] finished tweaking git repo https://github.com/SpaceEraser/evolutionary_regression
[INFO] tweaked toml for git repo https://github.com/SpaceEraser/evolutionary_regression written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] crate git repo https://github.com/SpaceEraser/evolutionary_regression already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--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-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3273f7160ba50f901eac83a4d3bd7defe3462fa050ae68af55450260db4e03b5
[INFO] running `Command { std: "docker" "start" "-a" "3273f7160ba50f901eac83a4d3bd7defe3462fa050ae68af55450260db4e03b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3273f7160ba50f901eac83a4d3bd7defe3462fa050ae68af55450260db4e03b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3273f7160ba50f901eac83a4d3bd7defe3462fa050ae68af55450260db4e03b5", kill_on_drop: false }`
[INFO] [stdout] 3273f7160ba50f901eac83a4d3bd7defe3462fa050ae68af55450260db4e03b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dcee18ffccb15ecb22d37c7fb51677e7e40c833f1348279c831a398f0b3d5085
[INFO] running `Command { std: "docker" "start" "-a" "dcee18ffccb15ecb22d37c7fb51677e7e40c833f1348279c831a398f0b3d5085", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.23
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.68
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling log v0.4.7
[INFO] [stderr]    Compiling bumpalo v3.4.0
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.68
[INFO] [stderr]    Compiling rayon-core v1.8.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling rayon v1.4.0
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking statrs v0.11.0
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.68
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.68
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.68
[INFO] [stderr]     Checking js-sys v0.3.45
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]     Checking web-sys v0.3.45
[INFO] [stderr]     Checking evolutionary_regression v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting evolutionary_regression v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_patterns)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(clamp)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_patterns)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(clamp)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `evolutionary_regression`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type cdylib --crate-type rlib --crate-name evolutionary_regression src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern approx=/opt/rustwide/target/debug/deps/libapprox-2344091c108d1de0.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-9dde73653b3af3ab.rmeta --extern console_error_panic_hook=/opt/rustwide/target/debug/deps/libconsole_error_panic_hook-55a702ff4488b891.rmeta --extern ordered_float=/opt/rustwide/target/debug/deps/libordered_float-d3ec23e8f4e309f5.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-5873e53caaaf01b7.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-18e3b49ec3e5ad0e.rmeta --extern statrs=/opt/rustwide/target/debug/deps/libstatrs-917a3e0c5b94e3b5.rmeta --extern wasm_bindgen=/opt/rustwide/target/debug/deps/libwasm_bindgen-15cd0b3f2755a69a.rmeta --extern web_sys=/opt/rustwide/target/debug/deps/libweb_sys-b7d5aeb80c4f4194.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "dcee18ffccb15ecb22d37c7fb51677e7e40c833f1348279c831a398f0b3d5085", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcee18ffccb15ecb22d37c7fb51677e7e40c833f1348279c831a398f0b3d5085", kill_on_drop: false }`
[INFO] [stdout] dcee18ffccb15ecb22d37c7fb51677e7e40c833f1348279c831a398f0b3d5085
