[INFO] cloning repository https://github.com/tonymichaelhead/rusty-8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tonymichaelhead/rusty-8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftonymichaelhead%2Frusty-8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftonymichaelhead%2Frusty-8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f2fd996bb565e9e9e8eee93f3e310c5732bcc320
[INFO] checking tonymichaelhead/rusty-8 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftonymichaelhead%2Frusty-8" "/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/tonymichaelhead/rusty-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/tonymichaelhead/rusty-8
[INFO] finished tweaking git repo https://github.com/tonymichaelhead/rusty-8
[INFO] tweaked toml for git repo https://github.com/tonymichaelhead/rusty-8 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/tonymichaelhead/rusty-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] 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 541cd0f2bd34f170163b980947dfd867503ba74193c8003449e170372f0d0c21
[INFO] running `Command { std: "docker" "start" "-a" "541cd0f2bd34f170163b980947dfd867503ba74193c8003449e170372f0d0c21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "541cd0f2bd34f170163b980947dfd867503ba74193c8003449e170372f0d0c21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "541cd0f2bd34f170163b980947dfd867503ba74193c8003449e170372f0d0c21", kill_on_drop: false }`
[INFO] [stdout] 541cd0f2bd34f170163b980947dfd867503ba74193c8003449e170372f0d0c21
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df67d5d34a0318e2cd558d31e7beb85a2e051cd932a58bc6b9cf27720ab5bd70
[INFO] running `Command { std: "docker" "start" "-a" "df67d5d34a0318e2cd558d31e7beb85a2e051cd932a58bc6b9cf27720ab5bd70", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling sdl2 v0.32.2
[INFO] [stderr]    Compiling sdl2-sys v0.32.6
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking rusty-8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]   --> src/cpu.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | use rand;
[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/cpu.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | use rand;
[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: method `debug_render` is never used
[INFO] [stdout]    --> src/cpu.rs:535:12
[INFO] [stdout]     |
[INFO] [stdout] 74  | impl VM
[INFO] [stdout]     | ------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 535 |     pub fn debug_render(& self)
[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: method `debug_render` is never used
[INFO] [stdout]    --> src/cpu.rs:535:12
[INFO] [stdout]     |
[INFO] [stdout] 74  | impl VM
[INFO] [stdout]     | ------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 535 |     pub fn debug_render(& self)
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.20s
[INFO] running `Command { std: "docker" "inspect" "df67d5d34a0318e2cd558d31e7beb85a2e051cd932a58bc6b9cf27720ab5bd70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df67d5d34a0318e2cd558d31e7beb85a2e051cd932a58bc6b9cf27720ab5bd70", kill_on_drop: false }`
[INFO] [stdout] df67d5d34a0318e2cd558d31e7beb85a2e051cd932a58bc6b9cf27720ab5bd70