[INFO] cloning repository https://github.com/Nivek92/modern_robotics_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Nivek92/modern_robotics_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNivek92%2Fmodern_robotics_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNivek92%2Fmodern_robotics_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e1cd9ced40ab045174ea7cf0cce6b3f496796d9d
[INFO] documenting Nivek92/modern_robotics_rs against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNivek92%2Fmodern_robotics_rs" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Nivek92/modern_robotics_rs on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Nivek92/modern_robotics_rs
[INFO] finished tweaking git repo https://github.com/Nivek92/modern_robotics_rs
[INFO] tweaked toml for git repo https://github.com/Nivek92/modern_robotics_rs written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/Nivek92/modern_robotics_rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9acd351a6b8faf0327e68693b9e6c7978d22c0b8897662244e53354467d0921b
[INFO] running `Command { std: "docker" "start" "-a" "9acd351a6b8faf0327e68693b9e6c7978d22c0b8897662244e53354467d0921b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9acd351a6b8faf0327e68693b9e6c7978d22c0b8897662244e53354467d0921b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9acd351a6b8faf0327e68693b9e6c7978d22c0b8897662244e53354467d0921b", kill_on_drop: false }`
[INFO] [stdout] 9acd351a6b8faf0327e68693b9e6c7978d22c0b8897662244e53354467d0921b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4701839cc23677d20b9c3b23e420a75c4d8f52886eab3f25308c61bf537257a
[INFO] running `Command { std: "docker" "start" "-a" "e4701839cc23677d20b9c3b23e420a75c4d8f52886eab3f25308c61bf537257a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking simba v0.2.0
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking nalgebra v0.22.0
[INFO] [stderr]  Documenting modern-robotics-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `cubic` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:427:9
[INFO] [stdout]     |
[INFO] [stdout] 427 |         cubic,
[INFO] [stdout]     |         ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Cubic`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `quintic` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:428:9
[INFO] [stdout]     |
[INFO] [stdout] 428 |         quintic,
[INFO] [stdout]     |         ^^^^^^^ help: convert the identifier to upper camel case: `Quintic`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(clamp)]
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `modern-robotics-rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name modern_robotics_rs src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=3bdc3ca6c340adf2 -L dependency=/opt/rustwide/target/debug/deps --extern nalgebra=/opt/rustwide/target/debug/deps/libnalgebra-c7cccb1dd0b4a69d.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "e4701839cc23677d20b9c3b23e420a75c4d8f52886eab3f25308c61bf537257a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4701839cc23677d20b9c3b23e420a75c4d8f52886eab3f25308c61bf537257a", kill_on_drop: false }`
[INFO] [stdout] e4701839cc23677d20b9c3b23e420a75c4d8f52886eab3f25308c61bf537257a