[INFO] updating cached repository https://github.com/OptimisticPeach/perlin_noise
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a60c984124e5a3aa37bc47dcdc01bf7ed05f2749
[INFO] checking OptimisticPeach/perlin_noise against master#bd0bacc694d7d8175804bb6f690cb846bfa4a9ee for pr-71665
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOptimisticPeach%2Fperlin_noise" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/OptimisticPeach/perlin_noise on toolchain bd0bacc694d7d8175804bb6f690cb846bfa4a9ee
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-1/source/Cargo.toml
[INFO] crate git repo https://github.com/OptimisticPeach/perlin_noise already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ea2178d864583a9eb8646798d72eaab845f1e375db6a95ba0883c2dd1f7a8096
[INFO] running `"docker" "start" "-a" "ea2178d864583a9eb8646798d72eaab845f1e375db6a95ba0883c2dd1f7a8096"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]    Compiling proc-macro2 v0.4.17
[INFO] [stderr]     Checking rand_core v0.2.1
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]     Checking deflate v0.7.18
[INFO] [stderr]     Checking inflate v0.4.3
[INFO] [stderr]     Checking gif v0.10.0
[INFO] [stderr]    Compiling rayon v1.0.2
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking num-iter v0.1.37
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]    Compiling syn v0.14.9
[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] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]  --> src/perlin/random_2d.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `width_main`
[INFO] [stderr]  --> src/perlin/random_2d.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     width_main: usize,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `height_main`
[INFO] [stderr]  --> src/perlin/random_2d.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     height_main: usize,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_accessed`
[INFO] [stderr]   --> src/perlin/random_2d.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 87 |     pub fn is_accessed(&self, x: usize, y: usize) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]  --> src/perlin/random_2d.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `width_main`
[INFO] [stderr]  --> src/perlin/random_2d.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     width_main: usize,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `height_main`
[INFO] [stderr]  --> src/perlin/random_2d.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     height_main: usize,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_accessed`
[INFO] [stderr]   --> src/perlin/random_2d.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 87 |     pub fn is_accessed(&self, x: usize, y: usize) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.58s
[INFO] running `"docker" "inspect" "ea2178d864583a9eb8646798d72eaab845f1e375db6a95ba0883c2dd1f7a8096"`
[INFO] running `"docker" "rm" "-f" "ea2178d864583a9eb8646798d72eaab845f1e375db6a95ba0883c2dd1f7a8096"`
[INFO] [stdout] ea2178d864583a9eb8646798d72eaab845f1e375db6a95ba0883c2dd1f7a8096