[INFO] cloning repository https://github.com/OptimisticPeach/perlin_noise
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/OptimisticPeach/perlin_noise" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOptimisticPeach%2Fperlin_noise", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOptimisticPeach%2Fperlin_noise'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a60c984124e5a3aa37bc47dcdc01bf7ed05f2749
[INFO] checking OptimisticPeach/perlin_noise against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOptimisticPeach%2Fperlin_noise" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/OptimisticPeach/perlin_noise on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/OptimisticPeach/perlin_noise
[INFO] finished tweaking git repo https://github.com/OptimisticPeach/perlin_noise
[INFO] tweaked toml for git repo https://github.com/OptimisticPeach/perlin_noise written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/OptimisticPeach/perlin_noise already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v0.4.17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a832a69b1e3239636a64c6c84c4256bf6495bba4e858144ab6fca57aec6b13dc
[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" "a832a69b1e3239636a64c6c84c4256bf6495bba4e858144ab6fca57aec6b13dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a832a69b1e3239636a64c6c84c4256bf6495bba4e858144ab6fca57aec6b13dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a832a69b1e3239636a64c6c84c4256bf6495bba4e858144ab6fca57aec6b13dc", kill_on_drop: false }`
[INFO] [stdout] a832a69b1e3239636a64c6c84c4256bf6495bba4e858144ab6fca57aec6b13dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f1bcd22e64f1ce92cf7719a277eddb906da52d682180e54f1ea34fba48e5999
[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" "0f1bcd22e64f1ce92cf7719a277eddb906da52d682180e54f1ea34fba48e5999", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling proc-macro2 v0.4.17
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking gif v0.10.0
[INFO] [stderr]     Checking inflate v0.4.3
[INFO] [stderr]     Checking deflate v0.7.18
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking rayon v1.0.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking perlin_noise v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/perlin/random_2d.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/perlin/random_2d.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `width_main`
[INFO] [stdout]  --> src/perlin/random_2d.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     width_main: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `height_main`
[INFO] [stdout]  --> src/perlin/random_2d.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     height_main: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_accessed`
[INFO] [stdout]   --> src/perlin/random_2d.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn is_accessed(&self, x: usize, y: usize) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `width_main`
[INFO] [stdout]  --> src/perlin/random_2d.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     width_main: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `height_main`
[INFO] [stdout]  --> src/perlin/random_2d.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     height_main: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_accessed`
[INFO] [stdout]   --> src/perlin/random_2d.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn is_accessed(&self, x: usize, y: usize) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.36s
[INFO] running `Command { std: "docker" "inspect" "0f1bcd22e64f1ce92cf7719a277eddb906da52d682180e54f1ea34fba48e5999", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f1bcd22e64f1ce92cf7719a277eddb906da52d682180e54f1ea34fba48e5999", kill_on_drop: false }`
[INFO] [stdout] 0f1bcd22e64f1ce92cf7719a277eddb906da52d682180e54f1ea34fba48e5999