[INFO] cloning repository https://github.com/stmio/chip8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stmio/chip8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstmio%2Fchip8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstmio%2Fchip8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2e6871312984f22eb1b5b2e6cc8d295d84d0228e
[INFO] checking stmio/chip8 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstmio%2Fchip8" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/stmio/chip8
[INFO] finished tweaking git repo https://github.com/stmio/chip8
[INFO] tweaked toml for git repo https://github.com/stmio/chip8 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/stmio/chip8 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/stmio/chip8 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e5463f2c2bf9c04cf50ff4c08bef99b317fffe5105ee13bba2dbf5183b150f3
[INFO] running `Command { std: "docker" "start" "-a" "0e5463f2c2bf9c04cf50ff4c08bef99b317fffe5105ee13bba2dbf5183b150f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e5463f2c2bf9c04cf50ff4c08bef99b317fffe5105ee13bba2dbf5183b150f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e5463f2c2bf9c04cf50ff4c08bef99b317fffe5105ee13bba2dbf5183b150f3", kill_on_drop: false }`
[INFO] [stdout] 0e5463f2c2bf9c04cf50ff4c08bef99b317fffe5105ee13bba2dbf5183b150f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 629d89f501b7d5f7c1d010cc979879fa15ea29fe7490693b296efdb320e51d75
[INFO] running `Command { std: "docker" "start" "-a" "629d89f501b7d5f7c1d010cc979879fa15ea29fe7490693b296efdb320e51d75", kill_on_drop: false }`
[INFO] [stderr]    Compiling xml-rs v0.8.19
[INFO] [stderr]    Compiling cmake v0.1.51
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]     Checking bytemuck v1.14.3
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]     Checking dlib v0.5.2
[INFO] [stderr]    Compiling servo-fontconfig-sys v5.1.0
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]     Checking gpu-descriptor-types v0.1.2
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]    Compiling khronos-egl v4.1.0
[INFO] [stderr]     Checking parking_lot_core v0.8.6
[INFO] [stderr]     Checking nix v0.25.1
[INFO] [stderr]    Compiling smithay-client-toolkit v0.16.1
[INFO] [stderr]     Checking gpu-alloc-types v0.2.0
[INFO] [stderr]     Checking safe_arch v0.5.2
[INFO] [stderr]    Compiling crossfont v0.5.2
[INFO] [stderr]     Checking xcursor v0.3.5
[INFO] [stderr]     Checking arrayref v0.3.8
[INFO] [stderr]     Checking tiny-skia-path v0.7.0
[INFO] [stderr]    Compiling wgpu-core v0.12.2
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling freetype-sys v0.13.1
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]     Checking gpu-alloc v0.5.4
[INFO] [stderr]     Checking ash v0.34.0+1.2.203
[INFO] [stderr]    Compiling wayland-scanner v0.29.5
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking wgpu-types v0.12.0
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]     Checking glow v0.11.2
[INFO] [stderr]     Checking inplace_it v0.3.5
[INFO] [stderr]     Checking renderdoc-sys v0.7.1
[INFO] [stderr]     Checking profiling v1.0.15
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking copyless v0.1.5
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking freetype-rs v0.26.0
[INFO] [stderr]     Checking servo-fontconfig v0.5.1
[INFO] [stderr]     Checking tiny-skia v0.7.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking wide v0.6.5
[INFO] [stderr]     Checking nix v0.23.2
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking getrandom v0.2.14
[INFO] [stderr]    Compiling cpal v0.14.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking crossbeam-queue v0.3.11
[INFO] [stderr]     Checking anstyle v1.0.8
[INFO] [stderr]     Checking pollster v0.2.5
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stderr]    Compiling clap_derive v3.2.25
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking anstream v0.6.14
[INFO] [stderr]     Checking spirv v0.2.0+1.5.4
[INFO] [stderr]    Compiling wayland-client v0.29.5
[INFO] [stderr]    Compiling wayland-protocols v0.29.5
[INFO] [stderr]     Checking wayland-commons v0.29.5
[INFO] [stderr]     Checking ultraviolet v0.8.1
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]    Compiling zerocopy-derive v0.7.32
[INFO] [stderr]    Compiling foreign-types-macros v0.2.3
[INFO] [stderr]     Checking alsa v0.6.0
[INFO] [stderr]     Checking foreign-types v0.5.0
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking wayland-cursor v0.29.5
[INFO] [stderr]     Checking env_filter v0.1.0
[INFO] [stderr]     Checking env_logger v0.11.3
[INFO] [stderr]     Checking calloop v0.10.6
[INFO] [stderr]     Checking naga v0.8.5
[INFO] [stderr]     Checking ahash v0.8.11
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking gpu-descriptor v0.2.4
[INFO] [stderr]     Checking wgpu-hal v0.12.5
[INFO] [stderr]     Checking wgpu v0.12.0
[INFO] [stderr]     Checking pixels v0.9.0
[INFO] [stderr]     Checking sctk-adwaita v0.4.3
[INFO] [stderr]     Checking winit v0.27.5
[INFO] [stderr]     Checking winit_input_helper v0.13.0
[INFO] [stderr]     Checking chip8_base v0.2.0 (https://github.com/UWCS/rs118-chip8.git#788a9bea)
[INFO] [stderr]     Checking chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     rom: String,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     rom: String,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chip8` (bin "chip8" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `chip8` (bin "chip8") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "629d89f501b7d5f7c1d010cc979879fa15ea29fe7490693b296efdb320e51d75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "629d89f501b7d5f7c1d010cc979879fa15ea29fe7490693b296efdb320e51d75", kill_on_drop: false }`
[INFO] [stdout] 629d89f501b7d5f7c1d010cc979879fa15ea29fe7490693b296efdb320e51d75