[INFO] fetching crate wrecked 0.1.9... [INFO] checking wrecked-0.1.9 against beta for pr-78714 [INFO] extracting crate wrecked 0.1.9 into /workspace/builds/worker-14/source [INFO] validating manifest of crates.io crate wrecked 0.1.9 on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate wrecked 0.1.9 [INFO] finished tweaking crates.io crate wrecked 0.1.9 [INFO] tweaked toml for crates.io crate wrecked 0.1.9 written to /workspace/builds/worker-14/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e74ac5e0970bc33badb7dd71321cc63354c46002de3b7a976950e01cb06687c4 [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" "e74ac5e0970bc33badb7dd71321cc63354c46002de3b7a976950e01cb06687c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e74ac5e0970bc33badb7dd71321cc63354c46002de3b7a976950e01cb06687c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e74ac5e0970bc33badb7dd71321cc63354c46002de3b7a976950e01cb06687c4", kill_on_drop: false }` [INFO] [stdout] e74ac5e0970bc33badb7dd71321cc63354c46002de3b7a976950e01cb06687c4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 77d3b0d61ac3c76f9d4464a9f757a056cb53e5a4f644a8d3479273b499e6e8ba [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" "77d3b0d61ac3c76f9d4464a9f757a056cb53e5a4f644a8d3479273b499e6e8ba", kill_on_drop: false }` [INFO] [stderr] Checking wrecked v0.1.9 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `ECHO`, `ICANON`, `TCSANOW`, `tcsetattr` [INFO] [stdout] --> src/lib.rs:7:24 [INFO] [stdout] | [INFO] [stdout] 7 | use termios::{Termios, TCSANOW, ECHO, ICANON, tcsetattr}; [INFO] [stdout] | ^^^^^^^ ^^^^ ^^^^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `isatty` [INFO] [stdout] --> src/lib.rs:20:44 [INFO] [stdout] | [INFO] [stdout] 20 | use libc::{winsize, TIOCGWINSZ, ioctl, isatty}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `ECHO`, `ICANON`, `TCSANOW`, `tcsetattr` [INFO] [stdout] --> src/lib.rs:7:24 [INFO] [stdout] | [INFO] [stdout] 7 | use termios::{Termios, TCSANOW, ECHO, ICANON, tcsetattr}; [INFO] [stdout] | ^^^^^^^ ^^^^ ^^^^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `isatty` [INFO] [stdout] --> src/lib.rs:20:44 [INFO] [stdout] | [INFO] [stdout] 20 | use libc::{winsize, TIOCGWINSZ, ioctl, isatty}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `parent` is assigned to, but never used [INFO] [stdout] --> src/lib.rs:522:13 [INFO] [stdout] | [INFO] [stdout] 522 | let mut parent = None; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_parent` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `parent` is never read [INFO] [stdout] --> src/lib.rs:527:17 [INFO] [stdout] | [INFO] [stdout] 527 | parent = rect.parent; [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: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:1676:13 [INFO] [stdout] | [INFO] [stdout] 1676 | let mut max_cache_ranks: HashMap<(isize, isize), usize> = HashMap::new(); [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: associated function is never used: `is_empty` [INFO] [stdout] --> src/lib.rs:121:12 [INFO] [stdout] | [INFO] [stdout] 121 | pub fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_top` [INFO] [stdout] --> src/lib.rs:1586:8 [INFO] [stdout] | [INFO] [stdout] 1586 | fn get_top(&self, rect_id: usize) -> Option<&Rect> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_top_mut` [INFO] [stdout] --> src/lib.rs:1619:8 [INFO] [stdout] | [INFO] [stdout] 1619 | fn get_top_mut(&mut self, rect_id: usize) -> Option<&mut Rect> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_rank` [INFO] [stdout] --> src/lib.rs:2109:8 [INFO] [stdout] | [INFO] [stdout] 2109 | fn get_rank(&self, rect_id: usize) -> Result { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_depth` [INFO] [stdout] --> src/lib.rs:2135:8 [INFO] [stdout] | [INFO] [stdout] 2135 | fn get_depth(&self, rect_id: usize) -> Option { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `trace_lineage` [INFO] [stdout] --> src/lib.rs:2166:8 [INFO] [stdout] | [INFO] [stdout] 2166 | fn trace_lineage(&self, rect_id: usize) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_rect_id` [INFO] [stdout] --> src/lib.rs:2395:8 [INFO] [stdout] | [INFO] [stdout] 2395 | fn get_rect_id(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_plain` [INFO] [stdout] --> src/lib.rs:2535:12 [INFO] [stdout] | [INFO] [stdout] 2535 | pub fn is_plain(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_bold` [INFO] [stdout] --> src/lib.rs:2539:8 [INFO] [stdout] | [INFO] [stdout] 2539 | fn is_bold(&self) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_underlined` [INFO] [stdout] --> src/lib.rs:2543:8 [INFO] [stdout] | [INFO] [stdout] 2543 | fn is_underlined(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_inverted` [INFO] [stdout] --> src/lib.rs:2547:8 [INFO] [stdout] | [INFO] [stdout] 2547 | fn is_inverted(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_italicized` [INFO] [stdout] --> src/lib.rs:2551:8 [INFO] [stdout] | [INFO] [stdout] 2551 | fn is_italicized(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_striken` [INFO] [stdout] --> src/lib.rs:2555:8 [INFO] [stdout] | [INFO] [stdout] 2555 | fn is_striken(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_blinking` [INFO] [stdout] --> src/lib.rs:2559:8 [INFO] [stdout] | [INFO] [stdout] 2559 | fn is_blinking(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `has_child` [INFO] [stdout] --> src/lib.rs:2735:12 [INFO] [stdout] | [INFO] [stdout] 2735 | pub fn has_child(&self, child_id: usize) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_fg_color` [INFO] [stdout] --> src/lib.rs:2751:12 [INFO] [stdout] | [INFO] [stdout] 2751 | pub fn get_fg_color(&self) -> RectColor { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_bg_color` [INFO] [stdout] --> src/lib.rs:2754:12 [INFO] [stdout] | [INFO] [stdout] 2754 | pub fn get_bg_color(&self) -> RectColor { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `parent` is assigned to, but never used [INFO] [stdout] --> src/lib.rs:522:13 [INFO] [stdout] | [INFO] [stdout] 522 | let mut parent = None; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_parent` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `parent` is never read [INFO] [stdout] --> src/lib.rs:527:17 [INFO] [stdout] | [INFO] [stdout] 527 | parent = rect.parent; [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: `i` [INFO] [stdout] --> src/tests.rs:272:9 [INFO] [stdout] | [INFO] [stdout] 272 | for i in 0 .. 4 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/lib.rs:536:13 [INFO] [stdout] | [INFO] [stdout] 536 | self.update_child_space(rect_id); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/lib.rs:1729:13 [INFO] [stdout] | [INFO] [stdout] 1729 | self._update_cached_display(*child_id); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 24 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:1676:13 [INFO] [stdout] | [INFO] [stdout] 1676 | let mut max_cache_ranks: HashMap<(isize, isize), usize> = HashMap::new(); [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: associated function is never used: `get_rect_id` [INFO] [stdout] --> src/lib.rs:2395:8 [INFO] [stdout] | [INFO] [stdout] 2395 | fn get_rect_id(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_blinking` [INFO] [stdout] --> src/lib.rs:2559:8 [INFO] [stdout] | [INFO] [stdout] 2559 | fn is_blinking(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/lib.rs:536:13 [INFO] [stdout] | [INFO] [stdout] 536 | self.update_child_space(rect_id); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/lib.rs:1729:13 [INFO] [stdout] | [INFO] [stdout] 1729 | self._update_cached_display(*child_id); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.95s [INFO] running `Command { std: "docker" "inspect" "77d3b0d61ac3c76f9d4464a9f757a056cb53e5a4f644a8d3479273b499e6e8ba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "77d3b0d61ac3c76f9d4464a9f757a056cb53e5a4f644a8d3479273b499e6e8ba", kill_on_drop: false }` [INFO] [stdout] 77d3b0d61ac3c76f9d4464a9f757a056cb53e5a4f644a8d3479273b499e6e8ba