[INFO] cloning repository https://github.com/Wallace-Watler/PerlinNoise
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Wallace-Watler/PerlinNoise" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWallace-Watler%2FPerlinNoise", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWallace-Watler%2FPerlinNoise'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f6a3f2d8322ca20e96de4d4ff9ad799e758f9541
[INFO] checking Wallace-Watler/PerlinNoise against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWallace-Watler%2FPerlinNoise" "/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/Wallace-Watler/PerlinNoise on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Wallace-Watler/PerlinNoise
[INFO] finished tweaking git repo https://github.com/Wallace-Watler/PerlinNoise
[INFO] tweaked toml for git repo https://github.com/Wallace-Watler/PerlinNoise written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Wallace-Watler/PerlinNoise already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "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-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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "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] 55b859de075353efa7a055817edc8569c3bde6626f4bcb6c3db36cca77a83c71
[INFO] running `Command { std: "docker" "start" "-a" "55b859de075353efa7a055817edc8569c3bde6626f4bcb6c3db36cca77a83c71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55b859de075353efa7a055817edc8569c3bde6626f4bcb6c3db36cca77a83c71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55b859de075353efa7a055817edc8569c3bde6626f4bcb6c3db36cca77a83c71", kill_on_drop: false }`
[INFO] [stdout] 55b859de075353efa7a055817edc8569c3bde6626f4bcb6c3db36cca77a83c71
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--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] 1e0998ac79a36e676dc45625c19f6ba63833d75a1d6b1aaab29ce83571f26e7c
[INFO] running `Command { std: "docker" "start" "-a" "1e0998ac79a36e676dc45625c19f6ba63833d75a1d6b1aaab29ce83571f26e7c", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand v0.6.0-pre.0
[INFO] [stderr]     Checking rand_xorshift v0.1.0
[INFO] [stderr]     Checking rand_hc128 v0.1.0
[INFO] [stderr]     Checking rand_pcg v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.0
[INFO] [stderr]     Checking perlin_noise v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:51:85
[INFO] [stdout]    |
[INFO] [stdout] 51 |             let mut range_sum: Vec<f64> = self.perlin_noise_1d_iter(&domain_abs, 0, &rng);
[INFO] [stdout]    |                                                                                     ^^^^ types differ in mutability
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected mutable reference `&mut rand::prelude::StdRng`
[INFO] [stdout]                       found reference `&rand::prelude::StdRng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:51:85
[INFO] [stdout]    |
[INFO] [stdout] 51 |             let mut range_sum: Vec<f64> = self.perlin_noise_1d_iter(&domain_abs, 0, &rng);
[INFO] [stdout]    |                                                                                     ^^^^ types differ in mutability
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected mutable reference `&mut rand::prelude::StdRng`
[INFO] [stdout]                       found reference `&rand::prelude::StdRng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:53:74
[INFO] [stdout]    |
[INFO] [stdout] 53 |                 let range = self.perlin_noise_1d_iter(&domain_abs, iter, &rng);
[INFO] [stdout]    |                                                                          ^^^^ types differ in mutability
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected mutable reference `&mut rand::prelude::StdRng`
[INFO] [stdout]                       found reference `&rand::prelude::StdRng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:53:74
[INFO] [stdout]    |
[INFO] [stdout] 53 |                 let range = self.perlin_noise_1d_iter(&domain_abs, iter, &rng);
[INFO] [stdout]    |                                                                          ^^^^ types differ in mutability
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected mutable reference `&mut rand::prelude::StdRng`
[INFO] [stdout]                       found reference `&rand::prelude::StdRng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `perlin_noise`
[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 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1e0998ac79a36e676dc45625c19f6ba63833d75a1d6b1aaab29ce83571f26e7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e0998ac79a36e676dc45625c19f6ba63833d75a1d6b1aaab29ce83571f26e7c", kill_on_drop: false }`
[INFO] [stdout] 1e0998ac79a36e676dc45625c19f6ba63833d75a1d6b1aaab29ce83571f26e7c