[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] checking Nivek92/modern_robotics_rs against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNivek92%2Fmodern_robotics_rs" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Nivek92/modern_robotics_rs on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", 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-4/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" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 472d66851025c431faebba22cb7b5618eaf0cff85023ebea9cf4e8d68048e09e
[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" "472d66851025c431faebba22cb7b5618eaf0cff85023ebea9cf4e8d68048e09e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "472d66851025c431faebba22cb7b5618eaf0cff85023ebea9cf4e8d68048e09e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "472d66851025c431faebba22cb7b5618eaf0cff85023ebea9cf4e8d68048e09e", kill_on_drop: false }`
[INFO] [stdout] 472d66851025c431faebba22cb7b5618eaf0cff85023ebea9cf4e8d68048e09e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7cc9c5d9fc0f03b8aa5473e185e727d2080331fe83e2e01e2bc6eba4ab37e19
[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" "b7cc9c5d9fc0f03b8aa5473e185e727d2080331fe83e2e01e2bc6eba4ab37e19", kill_on_drop: false }`
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking num-complex v0.2.4
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking simba v0.2.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking nalgebra v0.22.0
[INFO] [stderr]     Checking modern-robotics-rs 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(clamp)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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 beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(clamp)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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: 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 compile `modern-robotics-rs`
[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] [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: build failed
[INFO] running `Command { std: "docker" "inspect" "b7cc9c5d9fc0f03b8aa5473e185e727d2080331fe83e2e01e2bc6eba4ab37e19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7cc9c5d9fc0f03b8aa5473e185e727d2080331fe83e2e01e2bc6eba4ab37e19", kill_on_drop: false }`
[INFO] [stdout] b7cc9c5d9fc0f03b8aa5473e185e727d2080331fe83e2e01e2bc6eba4ab37e19