[INFO] cloning repository https://github.com/Sharzon/shr-chip-8-emu [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Sharzon/shr-chip-8-emu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSharzon%2Fshr-chip-8-emu", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSharzon%2Fshr-chip-8-emu'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d2387172e0aa2302ef239d80344967e2005c01af [INFO] checking Sharzon/shr-chip-8-emu against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSharzon%2Fshr-chip-8-emu" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Sharzon/shr-chip-8-emu on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Sharzon/shr-chip-8-emu [INFO] finished tweaking git repo https://github.com/Sharzon/shr-chip-8-emu [INFO] tweaked toml for git repo https://github.com/Sharzon/shr-chip-8-emu written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/Sharzon/shr-chip-8-emu already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a521c83ed2c901d8155976b769ede92422a51c1297032307204a67919289a6fd [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "a521c83ed2c901d8155976b769ede92422a51c1297032307204a67919289a6fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a521c83ed2c901d8155976b769ede92422a51c1297032307204a67919289a6fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a521c83ed2c901d8155976b769ede92422a51c1297032307204a67919289a6fd", kill_on_drop: false }` [INFO] [stdout] a521c83ed2c901d8155976b769ede92422a51c1297032307204a67919289a6fd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 268bf3c283b5690c7b202b22b53b4f78d7f01cfd8fa11ccb289a4c3303e9902e [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "268bf3c283b5690c7b202b22b53b4f78d7f01cfd8fa11ccb289a4c3303e9902e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.82 [INFO] [stderr] Compiling xml-rs v0.8.3 [INFO] [stderr] Compiling log v0.4.13 [INFO] [stderr] Checking ttf-parser v0.6.2 [INFO] [stderr] Checking ab_glyph_rasterizer v0.1.4 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking xdg v2.2.0 [INFO] [stderr] Compiling wayland-sys v0.28.3 [INFO] [stderr] Compiling nom v6.0.1 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Checking lock_api v0.4.2 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Compiling wayland-scanner v0.28.3 [INFO] [stderr] Checking owned_ttf_parser v0.6.0 [INFO] [stderr] Checking rusttype v0.9.2 [INFO] [stderr] Checking andrew v0.3.1 [INFO] [stderr] Checking xcursor v0.3.3 [INFO] [stderr] Compiling wayland-client v0.28.3 [INFO] [stderr] Compiling wayland-protocols v0.28.3 [INFO] [stderr] Checking nix v0.18.0 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking parking_lot_core v0.8.2 [INFO] [stderr] Checking memmap2 v0.1.0 [INFO] [stderr] Checking x11-dl v2.18.5 [INFO] [stderr] Checking raw-window-handle v0.3.3 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking mio-extras v2.0.6 [INFO] [stderr] Checking wayland-commons v0.28.3 [INFO] [stderr] Checking calloop v0.6.5 [INFO] [stderr] Checking wayland-cursor v0.28.3 [INFO] [stderr] Checking smithay-client-toolkit v0.12.2 [INFO] [stderr] Checking winit v0.24.0 [INFO] [stderr] Checking shr-chip-8-emu v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable `index_reg` is assigned to, but never used [INFO] [stdout] --> src/main.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | let mut index_reg = 0; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_index_reg` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `index_reg` is never read [INFO] [stdout] --> src/main.rs:57:13 [INFO] [stdout] | [INFO] [stdout] 57 | index_reg = ((usize::from(first) - 0xA0) << 8) + [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/main.rs:66:17 [INFO] [stdout] | [INFO] [stdout] 66 | let x = var_regs[usize::from(first & 0x0F)]; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/main.rs:67:17 [INFO] [stdout] | [INFO] [stdout] 67 | let y = var_regs[usize::from(second >> 4)]; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rows` [INFO] [stdout] --> src/main.rs:68:17 [INFO] [stdout] | [INFO] [stdout] 68 | let rows = second & 0x0F; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_rows` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | let mut memory = init_memory(program); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `index_reg` is assigned to, but never used [INFO] [stdout] --> src/main.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | let mut index_reg = 0; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_index_reg` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `index_reg` is never read [INFO] [stdout] --> src/main.rs:57:13 [INFO] [stdout] | [INFO] [stdout] 57 | index_reg = ((usize::from(first) - 0xA0) << 8) + [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/main.rs:66:17 [INFO] [stdout] | [INFO] [stdout] 66 | let x = var_regs[usize::from(first & 0x0F)]; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/main.rs:67:17 [INFO] [stdout] | [INFO] [stdout] 67 | let y = var_regs[usize::from(second >> 4)]; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rows` [INFO] [stdout] --> src/main.rs:68:17 [INFO] [stdout] | [INFO] [stdout] 68 | let rows = second & 0x0F; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_rows` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | let mut memory = init_memory(program); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 42.63s [INFO] running `Command { std: "docker" "inspect" "268bf3c283b5690c7b202b22b53b4f78d7f01cfd8fa11ccb289a4c3303e9902e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "268bf3c283b5690c7b202b22b53b4f78d7f01cfd8fa11ccb289a4c3303e9902e", kill_on_drop: false }` [INFO] [stdout] 268bf3c283b5690c7b202b22b53b4f78d7f01cfd8fa11ccb289a4c3303e9902e