[INFO] cloning repository https://github.com/northernSage/rustylife
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/northernSage/rustylife" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FnorthernSage%2Frustylife", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FnorthernSage%2Frustylife'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f2b098d0b42a0bb339a842e2bd05ca5f6a5aec2e
[INFO] checking northernSage/rustylife against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FnorthernSage%2Frustylife" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/northernSage/rustylife on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/northernSage/rustylife
[INFO] finished tweaking git repo https://github.com/northernSage/rustylife
[INFO] tweaked toml for git repo https://github.com/northernSage/rustylife written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/northernSage/rustylife 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pixel-canvas v0.2.3
[INFO] [stderr]   Downloaded glium v0.31.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d54dca825098b785cd9762bb22f06242a45a546785f27eceb6ae4e29948db450
[INFO] running `Command { std: "docker" "start" "-a" "d54dca825098b785cd9762bb22f06242a45a546785f27eceb6ae4e29948db450", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d54dca825098b785cd9762bb22f06242a45a546785f27eceb6ae4e29948db450", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d54dca825098b785cd9762bb22f06242a45a546785f27eceb6ae4e29948db450", kill_on_drop: false }`
[INFO] [stdout] d54dca825098b785cd9762bb22f06242a45a546785f27eceb6ae4e29948db450
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d265601f830937a4ce7693f8c35f368ff2b93d1e2db036f076ddd0885f14257
[INFO] running `Command { std: "docker" "start" "-a" "7d265601f830937a4ce7693f8c35f368ff2b93d1e2db036f076ddd0885f14257", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling xml-rs v0.8.14
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling proc-macro2 v1.0.60
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]     Checking libloading v0.8.0
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling log v0.4.19
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]    Compiling winit v0.26.1
[INFO] [stderr]     Checking gimli v0.27.3
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]     Checking dlib v0.5.2
[INFO] [stderr]     Checking raw-window-handle v0.4.3
[INFO] [stderr]     Checking libloading v0.7.4
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking takeable-option v0.5.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]    Compiling smithay-client-toolkit v0.15.4
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking object v0.30.4
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling wayland-scanner v0.29.5
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.6
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.8
[INFO] [stderr]    Compiling glium v0.31.0
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]     Checking nix v0.22.3
[INFO] [stderr]     Checking memmap2 v0.3.1
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking xcursor v0.3.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling wayland-client v0.29.5
[INFO] [stderr]    Compiling wayland-protocols v0.29.5
[INFO] [stderr]     Checking addr2line v0.19.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking wayland-commons v0.29.5
[INFO] [stderr]     Checking backtrace v0.3.67
[INFO] [stderr]     Checking calloop v0.9.3
[INFO] [stderr]     Checking wayland-cursor v0.29.5
[INFO] [stderr]     Checking wayland-egl v0.29.5
[INFO] [stderr]     Checking glutin v0.28.0
[INFO] [stderr]     Checking pixel-canvas v0.2.3
[INFO] [stderr]     Checking gameoflife v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]   --> src/main.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | use rand::{self};
[INFO] [stdout]    |            ^^^^ the item `rand` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]   --> src/main.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | use rand::{self};
[INFO] [stdout]    |            ^^^^ the item `rand` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.77s
[INFO] running `Command { std: "docker" "inspect" "7d265601f830937a4ce7693f8c35f368ff2b93d1e2db036f076ddd0885f14257", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d265601f830937a4ce7693f8c35f368ff2b93d1e2db036f076ddd0885f14257", kill_on_drop: false }`
[INFO] [stdout] 7d265601f830937a4ce7693f8c35f368ff2b93d1e2db036f076ddd0885f14257