[INFO] cloning repository https://github.com/Spheniscine/heightmap-gen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Spheniscine/heightmap-gen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpheniscine%2Fheightmap-gen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpheniscine%2Fheightmap-gen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 53040c0314bcfd0342f2211d6db16e332f5d0e96
[INFO] checking Spheniscine/heightmap-gen against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpheniscine%2Fheightmap-gen" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Spheniscine/heightmap-gen on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Spheniscine/heightmap-gen
[INFO] finished tweaking git repo https://github.com/Spheniscine/heightmap-gen
[INFO] tweaked toml for git repo https://github.com/Spheniscine/heightmap-gen written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Spheniscine/heightmap-gen 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pcg-mwc v0.2.1
[INFO] [stderr]   Downloaded bytemuck v1.14.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 72f5dc1801b27f438244772d899b6448345f5f3703f16e4207717ff041c52106
[INFO] running `Command { std: "docker" "start" "-a" "72f5dc1801b27f438244772d899b6448345f5f3703f16e4207717ff041c52106", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72f5dc1801b27f438244772d899b6448345f5f3703f16e4207717ff041c52106", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72f5dc1801b27f438244772d899b6448345f5f3703f16e4207717ff041c52106", kill_on_drop: false }`
[INFO] [stdout] 72f5dc1801b27f438244772d899b6448345f5f3703f16e4207717ff041c52106
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] acfbbc2dde46b22770a5d0918fe1ad728193f5437f9f9a59bdd7110fa30061c8
[INFO] running `Command { std: "docker" "start" "-a" "acfbbc2dde46b22770a5d0918fe1ad728193f5437f9f9a59bdd7110fa30061c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking num-traits v0.2.17
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]     Checking flume v0.11.0
[INFO] [stderr]     Checking half v2.2.1
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking bytemuck v1.14.1
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]     Checking exr v1.71.0
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking pcg-mwc v0.2.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking image v0.24.8
[INFO] [stderr]     Checking heightmap-gen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/main.rs:139:18
[INFO] [stdout]     |
[INFO] [stdout] 139 |         scale *= (1. - ATTENUATION);
[INFO] [stdout]     |                  ^                ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 139 -         scale *= (1. - ATTENUATION);
[INFO] [stdout] 139 +         scale *= 1. - ATTENUATION;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/main.rs:139:18
[INFO] [stdout]     |
[INFO] [stdout] 139 |         scale *= (1. - ATTENUATION);
[INFO] [stdout]     |                  ^                ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 139 -         scale *= (1. - ATTENUATION);
[INFO] [stdout] 139 +         scale *= 1. - ATTENUATION;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CommonNumExt` is never used
[INFO] [stdout]  --> src/main.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | trait CommonNumExt {
[INFO] [stdout]   |       ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CommonNumExt` is never used
[INFO] [stdout]  --> src/main.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | trait CommonNumExt {
[INFO] [stdout]   |       ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.09s
[INFO] running `Command { std: "docker" "inspect" "acfbbc2dde46b22770a5d0918fe1ad728193f5437f9f9a59bdd7110fa30061c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acfbbc2dde46b22770a5d0918fe1ad728193f5437f9f9a59bdd7110fa30061c8", kill_on_drop: false }`
[INFO] [stdout] acfbbc2dde46b22770a5d0918fe1ad728193f5437f9f9a59bdd7110fa30061c8