[INFO] fetching crate terminal-emulator 0.1.0... [INFO] checking terminal-emulator-0.1.0 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1 [INFO] extracting crate terminal-emulator 0.1.0 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate terminal-emulator 0.1.0 [INFO] finished tweaking crates.io crate terminal-emulator 0.1.0 [INFO] tweaked toml for crates.io crate terminal-emulator 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate terminal-emulator 0.1.0 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 9 packages to latest compatible versions [INFO] [stderr] Adding arraydeque v0.4.5 (available: v0.5.1) [INFO] [stderr] Adding base64 v0.10.1 (available: v0.22.1) [INFO] [stderr] Adding bitflags v1.3.2 (available: v2.9.4) [INFO] [stderr] Adding static_assertions v0.3.4 (available: v1.1.0) [INFO] [stderr] Adding unicode-width v0.1.14 (available: v0.2.1) [INFO] [stderr] Adding vte v0.3.3 (available: v0.15.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e1bc4fc5555b88da15b7aa331b5cfb38f0c79c2c193593f3629ab5fcf32ec91f [INFO] running `Command { std: "docker" "start" "-a" "e1bc4fc5555b88da15b7aa331b5cfb38f0c79c2c193593f3629ab5fcf32ec91f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e1bc4fc5555b88da15b7aa331b5cfb38f0c79c2c193593f3629ab5fcf32ec91f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e1bc4fc5555b88da15b7aa331b5cfb38f0c79c2c193593f3629ab5fcf32ec91f", kill_on_drop: false }` [INFO] [stdout] e1bc4fc5555b88da15b7aa331b5cfb38f0c79c2c193593f3629ab5fcf32ec91f [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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f36aafc08fc3e12146b50ed9a888d2a64e52dcdc9432f88169808088df714ef6 [INFO] running `Command { std: "docker" "start" "-a" "f36aafc08fc3e12146b50ed9a888d2a64e52dcdc9432f88169808088df714ef6", kill_on_drop: false }` [INFO] [stderr] Compiling arraydeque v0.4.5 [INFO] [stderr] Checking utf8parse v0.1.1 [INFO] [stderr] Checking log v0.4.28 [INFO] [stderr] Checking static_assertions v0.3.4 [INFO] [stderr] Checking vte v0.3.3 [INFO] [stderr] Checking terminal-emulator v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition value: `bench` [INFO] [stdout] --> src/term/mod.rs:2128:17 [INFO] [stdout] | [INFO] [stdout] 2128 | #[cfg(all(test, feature = "bench"))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `bench` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `bench` [INFO] [stdout] --> src/term/cell.rs:176:17 [INFO] [stdout] | [INFO] [stdout] 176 | #[cfg(all(test, feature = "bench"))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `bench` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/term/cell.rs:128:40 [INFO] [stdout] | [INFO] [stdout] 128 | let mut chars = [std::mem::uninitialized(); MAX_ZEROWIDTH_CHARS + 1]; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `bench` [INFO] [stdout] --> src/term/mod.rs:2128:17 [INFO] [stdout] | [INFO] [stdout] 2128 | #[cfg(all(test, feature = "bench"))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `bench` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `bench` [INFO] [stdout] --> src/term/cell.rs:176:17 [INFO] [stdout] | [INFO] [stdout] 176 | #[cfg(all(test, feature = "bench"))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `bench` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/term/cell.rs:128:40 [INFO] [stdout] | [INFO] [stdout] 128 | let mut chars = [std::mem::uninitialized(); MAX_ZEROWIDTH_CHARS + 1]; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Region` is never constructed [INFO] [stdout] --> src/grid/mod.rs:538:12 [INFO] [stdout] | [INFO] [stdout] 538 | pub struct Region<'a, T> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `region` is never used [INFO] [stdout] --> src/grid/mod.rs:566:8 [INFO] [stdout] | [INFO] [stdout] 564 | pub trait IndexRegion { [INFO] [stdout] | ----------- method in this trait [INFO] [stdout] 565 | /// Get an immutable region of Self [INFO] [stdout] 566 | fn region(&self, _: I) -> Region<'_, T>; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `RegionIter` is never constructed [INFO] [stdout] --> src/grid/mod.rs:651:12 [INFO] [stdout] | [INFO] [stdout] 651 | pub struct RegionIter<'a, T> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `at` is never read [INFO] [stdout] --> src/index.rs:231:13 [INFO] [stdout] | [INFO] [stdout] 231 | Empty { at: Idx }, [INFO] [stdout] | ----- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/term/mod.rs:966:29 [INFO] [stdout] | [INFO] [stdout] 966 | pub fn renderable_cells(&self) -> RenderableCellsIter { [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] 966 | pub fn renderable_cells(&self) -> RenderableCellsIter<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `static_assertions::core::num::::saturating_sub` that must be used [INFO] [stdout] --> src/term/mod.rs:1253:21 [INFO] [stdout] | [INFO] [stdout] 1253 | col.saturating_sub(1); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this returns the result of the operation, without modifying the original [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 1253 | let _ = col.saturating_sub(1); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `char` does not permit being left uninitialized [INFO] [stdout] --> src/term/cell.rs:128:30 [INFO] [stdout] | [INFO] [stdout] 128 | let mut chars = [std::mem::uninitialized(); MAX_ZEROWIDTH_CHARS + 1]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: characters must be a valid Unicode codepoint [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Region` is never constructed [INFO] [stdout] --> src/grid/mod.rs:538:12 [INFO] [stdout] | [INFO] [stdout] 538 | pub struct Region<'a, T> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `region` is never used [INFO] [stdout] --> src/grid/mod.rs:566:8 [INFO] [stdout] | [INFO] [stdout] 564 | pub trait IndexRegion { [INFO] [stdout] | ----------- method in this trait [INFO] [stdout] 565 | /// Get an immutable region of Self [INFO] [stdout] 566 | fn region(&self, _: I) -> Region<'_, T>; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `RegionIter` is never constructed [INFO] [stdout] --> src/grid/mod.rs:651:12 [INFO] [stdout] | [INFO] [stdout] 651 | pub struct RegionIter<'a, T> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `at` is never read [INFO] [stdout] --> src/index.rs:231:13 [INFO] [stdout] | [INFO] [stdout] 231 | Empty { at: Idx }, [INFO] [stdout] | ----- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/term/mod.rs:966:29 [INFO] [stdout] | [INFO] [stdout] 966 | pub fn renderable_cells(&self) -> RenderableCellsIter { [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] 966 | pub fn renderable_cells(&self) -> RenderableCellsIter<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `static_assertions::core::num::::saturating_sub` that must be used [INFO] [stdout] --> src/term/mod.rs:1253:21 [INFO] [stdout] | [INFO] [stdout] 1253 | col.saturating_sub(1); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this returns the result of the operation, without modifying the original [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 1253 | let _ = col.saturating_sub(1); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `char` does not permit being left uninitialized [INFO] [stdout] --> src/term/cell.rs:128:30 [INFO] [stdout] | [INFO] [stdout] 128 | let mut chars = [std::mem::uninitialized(); MAX_ZEROWIDTH_CHARS + 1]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: characters must be a valid Unicode codepoint [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.78s [INFO] running `Command { std: "docker" "inspect" "f36aafc08fc3e12146b50ed9a888d2a64e52dcdc9432f88169808088df714ef6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f36aafc08fc3e12146b50ed9a888d2a64e52dcdc9432f88169808088df714ef6", kill_on_drop: false }` [INFO] [stdout] f36aafc08fc3e12146b50ed9a888d2a64e52dcdc9432f88169808088df714ef6