[INFO] cloning repository https://github.com/ethanlyon/grid_simple
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ethanlyon/grid_simple" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethanlyon%2Fgrid_simple", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethanlyon%2Fgrid_simple'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 438284f483a199da19f8b8e4c129c81317ab4baa
[INFO] checking ethanlyon/grid_simple against try#411f3ca0d8086d5a27e2aaa79b9ff41f53ab2f51 for pr-138844
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethanlyon%2Fgrid_simple" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ethanlyon/grid_simple on toolchain 411f3ca0d8086d5a27e2aaa79b9ff41f53ab2f51
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+411f3ca0d8086d5a27e2aaa79b9ff41f53ab2f51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ethanlyon/grid_simple
[INFO] finished tweaking git repo https://github.com/ethanlyon/grid_simple
[INFO] tweaked toml for git repo https://github.com/ethanlyon/grid_simple written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ethanlyon/grid_simple already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+411f3ca0d8086d5a27e2aaa79b9ff41f53ab2f51" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+411f3ca0d8086d5a27e2aaa79b9ff41f53ab2f51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d1b75edd0f7f2168688f44e73851ed50d999982f9de73aeddb22b78dd57383b
[INFO] running `Command { std: "docker" "start" "-a" "2d1b75edd0f7f2168688f44e73851ed50d999982f9de73aeddb22b78dd57383b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d1b75edd0f7f2168688f44e73851ed50d999982f9de73aeddb22b78dd57383b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d1b75edd0f7f2168688f44e73851ed50d999982f9de73aeddb22b78dd57383b", kill_on_drop: false }`
[INFO] [stdout] 2d1b75edd0f7f2168688f44e73851ed50d999982f9de73aeddb22b78dd57383b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+411f3ca0d8086d5a27e2aaa79b9ff41f53ab2f51" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 118119bbb0596c8b65aa93d8450fadf529be693360bd829c2d29ede0618e317b
[INFO] running `Command { std: "docker" "start" "-a" "118119bbb0596c8b65aa93d8450fadf529be693360bd829c2d29ede0618e317b", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking weezl v0.1.5
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking bytemuck v1.9.1
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking gif v0.11.3
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking noise v0.7.0
[INFO] [stderr]     Checking grid_simple v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `NoiseFn` and `Perlin`
[INFO] [stdout]  --> src/main.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use noise::{NoiseFn, Perlin};
[INFO] [stdout]   |             ^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]   --> src/main.rs:81:22
[INFO] [stdout]    |
[INFO] [stdout] 81 |         std::thread::sleep_ms(500);
[INFO] [stdout]    |                      ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `NoiseFn` and `Perlin`
[INFO] [stdout]  --> src/main.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use noise::{NoiseFn, Perlin};
[INFO] [stdout]   |             ^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]   --> src/main.rs:81:22
[INFO] [stdout]    |
[INFO] [stdout] 81 |         std::thread::sleep_ms(500);
[INFO] [stdout]    |                      ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `create_random_dir`
[INFO] [stdout]   --> src/main.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let create_random_dir = |num: i32| {let rng:i32 = thread_rng().gen_range(-1..2); num + rng};
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_create_random_dir`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `search` is never used
[INFO] [stdout]   --> src/main.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn search(i:usize, j:usize, gr: &mut [[i32 ; C] ; R]){
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `create_random_dir`
[INFO] [stdout]   --> src/main.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let create_random_dir = |num: i32| {let rng:i32 = thread_rng().gen_range(-1..2); num + rng};
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_create_random_dir`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `search` is never used
[INFO] [stdout]   --> src/main.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn search(i:usize, j:usize, gr: &mut [[i32 ; C] ; R]){
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.82s
[INFO] running `Command { std: "docker" "inspect" "118119bbb0596c8b65aa93d8450fadf529be693360bd829c2d29ede0618e317b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "118119bbb0596c8b65aa93d8450fadf529be693360bd829c2d29ede0618e317b", kill_on_drop: false }`
[INFO] [stdout] 118119bbb0596c8b65aa93d8450fadf529be693360bd829c2d29ede0618e317b