[INFO] updating cached repository https://github.com/jdomenechb/rustiegb
[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] e067c3b4a32b55de6c06d60596d604c010a46a63
[INFO] checking jdomenechb/rustiegb against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjdomenechb%2Frustiegb" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jdomenechb/rustiegb on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jdomenechb/rustiegb
[INFO] finished tweaking git repo https://github.com/jdomenechb/rustiegb
[INFO] tweaked toml for git repo https://github.com/jdomenechb/rustiegb written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/jdomenechb/rustiegb already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] 1d3b948f20cbd268cfb643d22f8d3b77be034a72f205cb2273f3276265ef14ac
[INFO] running `"docker" "start" "-a" "1d3b948f20cbd268cfb643d22f8d3b77be034a72f205cb2273f3276265ef14ac"`
[INFO] [stderr]    Compiling khronos_api v3.0.0
[INFO] [stderr]    Compiling serde v1.0.81
[INFO] [stderr]    Compiling nix v0.12.0
[INFO] [stderr]     Checking arrayvec v0.4.8
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling wayland-scanner v0.21.7
[INFO] [stderr]     Checking piston-viewport v0.5.0
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]     Checking smallvec v0.6.7
[INFO] [stderr]     Checking nix v0.11.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking approx v0.3.0
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking rand v0.6.1
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking rusttype v0.7.3
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking parking_lot_core v0.3.1
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]    Compiling wayland-client v0.21.7
[INFO] [stderr]    Compiling wayland-protocols v0.21.7
[INFO] [stderr]     Checking wayland-sys v0.21.7
[INFO] [stderr]     Checking andrew v0.1.4
[INFO] [stderr]     Checking piston2d-graphics v0.28.0
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]    Compiling glutin v0.19.0
[INFO] [stderr]     Checking wayland-commons v0.21.7
[INFO] [stderr]    Compiling serde_derive v1.0.81
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking tiff v0.2.1
[INFO] [stderr]     Checking image v0.20.1
[INFO] [stderr]     Checking smithay-client-toolkit v0.4.3
[INFO] [stderr]     Checking pistoncore-input v0.23.0
[INFO] [stderr]     Checking winit v0.18.0
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.57.0
[INFO] [stderr]     Checking pistoncore-window v0.34.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.39.0
[INFO] [stderr]     Checking piston v0.39.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.51.1
[INFO] [stderr]     Checking rustiegb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::thread::sleep`
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::thread::sleep;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::time::Duration;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/memory/memory.rs:164:9
[INFO] [stderr]     |
[INFO] [stderr] 162 |         panic!("ERROR: Memory address {:X} not readable", position);
[INFO] [stderr]     |         ------------------------------------------------------------ any code following this expression is unreachable
[INFO] [stderr] 163 | 
[INFO] [stderr] 164 |         return 0;
[INFO] [stderr]     |         ^^^^^^^^^ unreachable statement
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/memory/memory.rs:196:9
[INFO] [stderr]     |
[INFO] [stderr] 194 |         panic!("ERROR: Memory address {:X} not readable", position);
[INFO] [stderr]     |         ------------------------------------------------------------ any code following this expression is unreachable
[INFO] [stderr] 195 | 
[INFO] [stderr] 196 |         return 0;
[INFO] [stderr]     |         ^^^^^^^^^ unreachable statement
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread::sleep`
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::thread::sleep;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::time::Duration;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/gpu/gpu.rs:93:30
[INFO] [stderr]    |
[INFO] [stderr] 93 |     pub fn update(&mut self, args: &UpdateArgs) {
[INFO] [stderr]    |                              ^^^^ help: consider prefixing with an underscore: `_args`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/memory/memory.rs:164:9
[INFO] [stderr]     |
[INFO] [stderr] 162 |         panic!("ERROR: Memory address {:X} not readable", position);
[INFO] [stderr]     |         ------------------------------------------------------------ any code following this expression is unreachable
[INFO] [stderr] 163 | 
[INFO] [stderr] 164 |         return 0;
[INFO] [stderr]     |         ^^^^^^^^^ unreachable statement
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/memory/memory.rs:196:9
[INFO] [stderr]     |
[INFO] [stderr] 194 |         panic!("ERROR: Memory address {:X} not readable", position);
[INFO] [stderr]     |         ------------------------------------------------------------ any code following this expression is unreachable
[INFO] [stderr] 195 | 
[INFO] [stderr] 196 |         return 0;
[INFO] [stderr]     |         ^^^^^^^^^ unreachable statement
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated const is never used: `DARK_GRAY`
[INFO] [stderr]  --> src/gpu/color.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     pub const DARK_GRAY:  [f32; 4] = [0.3333, 0.3333, 0.3333, 1.0];
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated const is never used: `GRAY`
[INFO] [stderr]  --> src/gpu/color.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pub const GRAY:  [f32; 4] = [0.6667, 0.6667, 0.6667, 1.0];
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/gpu/gpu.rs:93:30
[INFO] [stderr]    |
[INFO] [stderr] 93 |     pub fn update(&mut self, args: &UpdateArgs) {
[INFO] [stderr]    |                              ^^^^ help: consider prefixing with an underscore: `_args`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated const is never used: `DARK_GRAY`
[INFO] [stderr]  --> src/gpu/color.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     pub const DARK_GRAY:  [f32; 4] = [0.3333, 0.3333, 0.3333, 1.0];
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated const is never used: `GRAY`
[INFO] [stderr]  --> src/gpu/color.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pub const GRAY:  [f32; 4] = [0.6667, 0.6667, 0.6667, 1.0];
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 22s
[INFO] running `"docker" "inspect" "1d3b948f20cbd268cfb643d22f8d3b77be034a72f205cb2273f3276265ef14ac"`
[INFO] running `"docker" "rm" "-f" "1d3b948f20cbd268cfb643d22f8d3b77be034a72f205cb2273f3276265ef14ac"`
[INFO] [stdout] 1d3b948f20cbd268cfb643d22f8d3b77be034a72f205cb2273f3276265ef14ac