[INFO] fetching crate vga 0.2.9... [INFO] checking vga-0.2.9 against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915 [INFO] extracting crate vga 0.2.9 into /workspace/builds/worker-6-tc2/source [INFO] removed /workspace/builds/worker-6-tc2/source/rust-toolchain [INFO] started tweaking crates.io crate vga 0.2.9 [INFO] finished tweaking crates.io crate vga 0.2.9 [INFO] tweaked toml for crates.io crate vga 0.2.9 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate vga 0.2.9 on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 14 packages to latest compatible versions [INFO] [stderr] Adding bitflags v1.3.2 (available: v2.11.1) [INFO] [stderr] Adding conquer-once v0.3.2 (available: v0.4.0) [INFO] [stderr] Adding spinning_top v0.2.5 (available: v0.3.0) [INFO] [stderr] Adding x86_64 v0.14.13 (available: v0.15.4) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 034e094d907870ce097bc3c3a9c2ce22521a25584518300d2ffdbfd95f694f18 [INFO] running `Command { std: "docker" "start" "-a" "034e094d907870ce097bc3c3a9c2ce22521a25584518300d2ffdbfd95f694f18", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "034e094d907870ce097bc3c3a9c2ce22521a25584518300d2ffdbfd95f694f18", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "034e094d907870ce097bc3c3a9c2ce22521a25584518300d2ffdbfd95f694f18", kill_on_drop: false }` [INFO] [stdout] 034e094d907870ce097bc3c3a9c2ce22521a25584518300d2ffdbfd95f694f18 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8963b09c213f290dc3a75fe4cc5b83fe8c780504fd16fedf92e6eeb4b814617d [INFO] running `Command { std: "docker" "start" "-a" "8963b09c213f290dc3a75fe4cc5b83fe8c780504fd16fedf92e6eeb4b814617d", kill_on_drop: false }` [INFO] [stderr] Checking volatile v0.4.6 [INFO] [stderr] Checking bit_field v0.10.3 [INFO] [stderr] Checking conquer-util v0.3.0 [INFO] [stderr] Checking font8x8 v0.3.1 [INFO] [stderr] Checking spinning_top v0.2.5 [INFO] [stderr] Checking conquer-once v0.3.2 [INFO] [stderr] Checking x86_64 v0.14.13 [INFO] [stderr] Checking vga v0.2.9 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function `cast` is never used [INFO] [stdout] --> src/drawing/mod.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 14 | pub(crate) trait SignedNum: Signed + Ord + Copy + NumCast + NumAssignOps { [INFO] [stdout] | --------- associated function in this trait [INFO] [stdout] 15 | fn cast(value: T) -> Self { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `cast` is never used [INFO] [stdout] --> src/drawing/mod.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 14 | pub(crate) trait SignedNum: Signed + Ord + Copy + NumCast + NumAssignOps { [INFO] [stdout] | --------- associated function in this trait [INFO] [stdout] 15 | fn cast(value: T) -> Self { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/writers/mod.rs:77:25 [INFO] [stdout] | [INFO] [stdout] 77 | fn get_frame_buffer(&self) -> (SpinlockGuard, *mut ScreenCharacter) { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 77 | fn get_frame_buffer(&self) -> (SpinlockGuard<'_, Vga>, *mut ScreenCharacter) { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/writers/mod.rs:77:25 [INFO] [stdout] | [INFO] [stdout] 77 | fn get_frame_buffer(&self) -> (SpinlockGuard, *mut ScreenCharacter) { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 77 | fn get_frame_buffer(&self) -> (SpinlockGuard<'_, Vga>, *mut ScreenCharacter) { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.62s [INFO] running `Command { std: "docker" "inspect" "8963b09c213f290dc3a75fe4cc5b83fe8c780504fd16fedf92e6eeb4b814617d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8963b09c213f290dc3a75fe4cc5b83fe8c780504fd16fedf92e6eeb4b814617d", kill_on_drop: false }` [INFO] [stdout] 8963b09c213f290dc3a75fe4cc5b83fe8c780504fd16fedf92e6eeb4b814617d