[INFO] cloning repository https://github.com/AurelienAubry/chip8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AurelienAubry/chip8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAurelienAubry%2Fchip8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAurelienAubry%2Fchip8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d84dfdaad2cb8c981cad2281d4cadee119b05323
[INFO] checking AurelienAubry/chip8 against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAurelienAubry%2Fchip8" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AurelienAubry/chip8
[INFO] finished tweaking git repo https://github.com/AurelienAubry/chip8
[INFO] tweaked toml for git repo https://github.com/AurelienAubry/chip8 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AurelienAubry/chip8 on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AurelienAubry/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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a962e7deebbe64f6d5b1c86c5672d05ba1fc207858ae5b52408cb38222f0748
[INFO] running `Command { std: "docker" "start" "-a" "6a962e7deebbe64f6d5b1c86c5672d05ba1fc207858ae5b52408cb38222f0748", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a962e7deebbe64f6d5b1c86c5672d05ba1fc207858ae5b52408cb38222f0748", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a962e7deebbe64f6d5b1c86c5672d05ba1fc207858ae5b52408cb38222f0748", kill_on_drop: false }`
[INFO] [stdout] 6a962e7deebbe64f6d5b1c86c5672d05ba1fc207858ae5b52408cb38222f0748
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7928950e4c57af70306550a67846ab35896dbaf96cce4f4c4f4ce69fce82399
[INFO] running `Command { std: "docker" "start" "-a" "d7928950e4c57af70306550a67846ab35896dbaf96cce4f4c4f4ce69fce82399", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]    Compiling wayland-sys v0.27.0
[INFO] [stderr]    Compiling xkbcommon-sys v0.7.4
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling wayland-scanner v0.27.0
[INFO] [stderr]    Compiling minifb v0.18.0
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking xkb v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling wayland-client v0.27.0
[INFO] [stderr]    Compiling wayland-protocols v0.27.0
[INFO] [stderr]     Checking xcursor v0.3.2
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking wayland-commons v0.27.0
[INFO] [stderr]     Checking wayland-cursor v0.27.0
[INFO] [stderr]     Checking chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `get_st` is never used
[INFO] [stdout]    --> src/bus.rs:163:12
[INFO] [stdout]     |
[INFO] [stdout]  21 | impl Bus {
[INFO] [stdout]     | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 163 |     pub fn get_st(&self) -> u8 {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/memory.rs:74:13
[INFO] [stdout]    |
[INFO] [stdout] 74 |             write!(f, "{:#x}", self.mem[i]);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 74 |             let _ = write!(f, "{:#x}", self.mem[i]);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_st` is never used
[INFO] [stdout]    --> src/bus.rs:163:12
[INFO] [stdout]     |
[INFO] [stdout]  21 | impl Bus {
[INFO] [stdout]     | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 163 |     pub fn get_st(&self) -> u8 {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/memory.rs:74:13
[INFO] [stdout]    |
[INFO] [stdout] 74 |             write!(f, "{:#x}", self.mem[i]);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 74 |             let _ = write!(f, "{:#x}", self.mem[i]);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.73s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "d7928950e4c57af70306550a67846ab35896dbaf96cce4f4c4f4ce69fce82399", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7928950e4c57af70306550a67846ab35896dbaf96cce4f4c4f4ce69fce82399", kill_on_drop: false }`
[INFO] [stdout] d7928950e4c57af70306550a67846ab35896dbaf96cce4f4c4f4ce69fce82399