[INFO] cloning repository https://github.com/chris-hinson/rust-8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chris-hinson/rust-8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchris-hinson%2Frust-8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchris-hinson%2Frust-8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 650176386caaf71968b785bae930115104fc0696
[INFO] checking chris-hinson/rust-8 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchris-hinson%2Frust-8" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chris-hinson/rust-8 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/chris-hinson/rust-8
[INFO] finished tweaking git repo https://github.com/chris-hinson/rust-8
[INFO] tweaked toml for git repo https://github.com/chris-hinson/rust-8 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/chris-hinson/rust-8 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arr_macro v0.1.3
[INFO] [stderr]   Downloaded arr_macro_impl v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 9515600e2c94d6577b3bc704b2787545b3d1de4b899163afa1148a2b3d0d21aa
[INFO] running `Command { std: "docker" "start" "-a" "9515600e2c94d6577b3bc704b2787545b3d1de4b899163afa1148a2b3d0d21aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9515600e2c94d6577b3bc704b2787545b3d1de4b899163afa1148a2b3d0d21aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9515600e2c94d6577b3bc704b2787545b3d1de4b899163afa1148a2b3d0d21aa", kill_on_drop: false }`
[INFO] [stdout] 9515600e2c94d6577b3bc704b2787545b3d1de4b899163afa1148a2b3d0d21aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e6f4b14ac259a95d4652867fe3cefc1998e9f0edb30cae6eb4e5202d7f1a322a
[INFO] running `Command { std: "docker" "start" "-a" "e6f4b14ac259a95d4652867fe3cefc1998e9f0edb30cae6eb4e5202d7f1a322a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling sdl2-sys v0.34.5
[INFO] [stderr]    Compiling sdl2 v0.34.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.14
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling arr_macro_impl v0.1.3
[INFO] [stderr]     Checking arr_macro v0.1.3
[INFO] [stderr]     Checking rust-8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/cpu.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/cpu.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x` and `y` are never read
[INFO] [stdout]    --> src/display.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 121 | pub struct Sprite {
[INFO] [stdout]     |            ------ fields in this struct
[INFO] [stdout] 122 |     pub pixels: Vec<ScreenPixel>,
[INFO] [stdout] 123 |     pub x: i32,
[INFO] [stdout]     |         ^
[INFO] [stdout] 124 |     pub y: i32,
[INFO] [stdout]     |         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `freq` is never read
[INFO] [stdout]  --> src/sound.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Sound {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 6 |     pub freq: f32,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x` and `y` are never read
[INFO] [stdout]    --> src/display.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 121 | pub struct Sprite {
[INFO] [stdout]     |            ------ fields in this struct
[INFO] [stdout] 122 |     pub pixels: Vec<ScreenPixel>,
[INFO] [stdout] 123 |     pub x: i32,
[INFO] [stdout]     |         ^
[INFO] [stdout] 124 |     pub y: i32,
[INFO] [stdout]     |         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `freq` is never read
[INFO] [stdout]  --> src/sound.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Sound {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 6 |     pub freq: f32,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.55s
[INFO] running `Command { std: "docker" "inspect" "e6f4b14ac259a95d4652867fe3cefc1998e9f0edb30cae6eb4e5202d7f1a322a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6f4b14ac259a95d4652867fe3cefc1998e9f0edb30cae6eb4e5202d7f1a322a", kill_on_drop: false }`
[INFO] [stdout] e6f4b14ac259a95d4652867fe3cefc1998e9f0edb30cae6eb4e5202d7f1a322a