[INFO] fetching crate wrecked 1.0.8... [INFO] checking wrecked-1.0.8 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3 [INFO] extracting crate wrecked 1.0.8 into /workspace/builds/worker-31/source [INFO] validating manifest of crates.io crate wrecked 1.0.8 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate wrecked 1.0.8 [INFO] finished tweaking crates.io crate wrecked 1.0.8 [INFO] tweaked toml for crates.io crate wrecked 1.0.8 written to /workspace/builds/worker-31/source/Cargo.toml [INFO] crate crates.io crate wrecked 1.0.8 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--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-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e12947d6be28f8539842f5d6364b481d14d081b9e16fdd2c5f1010a64eacd1c7 [INFO] running `Command { std: "docker" "start" "-a" "e12947d6be28f8539842f5d6364b481d14d081b9e16fdd2c5f1010a64eacd1c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e12947d6be28f8539842f5d6364b481d14d081b9e16fdd2c5f1010a64eacd1c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e12947d6be28f8539842f5d6364b481d14d081b9e16fdd2c5f1010a64eacd1c7", kill_on_drop: false }` [INFO] [stdout] e12947d6be28f8539842f5d6364b481d14d081b9e16fdd2c5f1010a64eacd1c7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 36b98b9a30186d7369395d0eb9f1e7894bfa6fb6c5a22f46ddfb90507e7daca2 [INFO] running `Command { std: "docker" "start" "-a" "36b98b9a30186d7369395d0eb9f1e7894bfa6fb6c5a22f46ddfb90507e7daca2", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.79 [INFO] [stderr] Checking termios v0.3.2 [INFO] [stderr] Checking wrecked v1.0.8 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/tests.rs:760:17 [INFO] [stdout] | [INFO] [stdout] 760 | let s = (10 - (3 * i)); [INFO] [stdout] | ^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rect` [INFO] [stdout] --> src/lib.rs:1172:18 [INFO] [stdout] | [INFO] [stdout] 1172 | Some(rect) => { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_rect` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `changed` is never read [INFO] [stdout] --> src/lib.rs:2652:21 [INFO] [stdout] | [INFO] [stdout] 2652 | let mut changed = true; [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: `rect` [INFO] [stdout] --> src/lib.rs:1172:18 [INFO] [stdout] | [INFO] [stdout] 1172 | Some(rect) => { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_rect` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `changed` is never read [INFO] [stdout] --> src/lib.rs:2652:21 [INFO] [stdout] | [INFO] [stdout] 2652 | let mut changed = true; [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: associated function is never used: `len` [INFO] [stdout] --> src/lib.rs:138:12 [INFO] [stdout] | [INFO] [stdout] 138 | pub fn len(&mut 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_plain` [INFO] [stdout] --> src/lib.rs:2895:8 [INFO] [stdout] | [INFO] [stdout] 2895 | 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:2899:8 [INFO] [stdout] | [INFO] [stdout] 2899 | 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:2903:8 [INFO] [stdout] | [INFO] [stdout] 2903 | 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:2907:8 [INFO] [stdout] | [INFO] [stdout] 2907 | 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:2911:8 [INFO] [stdout] | [INFO] [stdout] 2911 | 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:2915:8 [INFO] [stdout] | [INFO] [stdout] 2915 | 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:2919:8 [INFO] [stdout] | [INFO] [stdout] 2919 | 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:2923:8 [INFO] [stdout] | [INFO] [stdout] 2923 | fn has_child(&self, child_id: usize) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:1075:9 [INFO] [stdout] | [INFO] [stdout] 1075 | self.flag_parent_refresh(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: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `len` [INFO] [stdout] --> src/lib.rs:138:12 [INFO] [stdout] | [INFO] [stdout] 138 | pub fn len(&mut self) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> examples/wave.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | for x in 0 .. width { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> examples/wave.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | rectmanager.set_bg_color(rect_id, wrecked::Color::YELLOW); [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 `Result` that must be used [INFO] [stdout] --> examples/wave.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | rectmanager.set_character(rect_id, 0, 0, ' '); [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: unused `Result` that must be used [INFO] [stdout] --> examples/wave.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | rectmanager.render(); [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: unused `Result` that must be used [INFO] [stdout] --> examples/wave.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | rectmanager.set_position(rect_id, (x % width) as isize, y); [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: unused `Result` that must be used [INFO] [stdout] --> examples/wave.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | rectmanager.draw(rect_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: unused `Result` that must be used [INFO] [stdout] --> examples/wave.rs:30:9 [INFO] [stdout] | [INFO] [stdout] 30 | rectmanager.set_bg_color(*rect, wrecked::Color::BLUE); [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: unused `Result` that must be used [INFO] [stdout] --> examples/wave.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | rectmanager.set_position(rect_id, (x % width) as isize, y); [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: unused `Result` that must be used [INFO] [stdout] --> examples/wave.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | rectmanager.render(); [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: unused `Result` that must be used [INFO] [stdout] --> examples/wave.rs:43:5 [INFO] [stdout] | [INFO] [stdout] 43 | rectmanager.kill(); [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: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:1075:9 [INFO] [stdout] | [INFO] [stdout] 1075 | self.flag_parent_refresh(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 `Result` that must be used [INFO] [stdout] --> src/tests.rs:706:5 [INFO] [stdout] | [INFO] [stdout] 706 | rectmanager.set_bg_color(rect_id, Color::BLUE); [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: unused `Result` that must be used [INFO] [stdout] --> src/tests.rs:736:9 [INFO] [stdout] | [INFO] [stdout] 736 | rectmanager.new_rect(ROOT); [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: unused `Result` that must be used [INFO] [stdout] --> src/tests.rs:739:5 [INFO] [stdout] | [INFO] [stdout] 739 | rectmanager.delete_rect(4); [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: unused `Result` that must be used [INFO] [stdout] --> src/tests.rs:741:5 [INFO] [stdout] | [INFO] [stdout] 741 | rectmanager.delete_rect(1); [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: unused `Result` that must be used [INFO] [stdout] --> src/tests.rs:744:5 [INFO] [stdout] | [INFO] [stdout] 744 | rectmanager.delete_rect(2); [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: unused `Result` that must be used [INFO] [stdout] --> src/tests.rs:747:5 [INFO] [stdout] | [INFO] [stdout] 747 | rectmanager.delete_rect(3); [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: unused `Result` that must be used [INFO] [stdout] --> src/tests.rs:761:9 [INFO] [stdout] | [INFO] [stdout] 761 | rectmanager.resize(working_rect, s, s); [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: unused `Result` that must be used [INFO] [stdout] --> src/tests.rs:762:9 [INFO] [stdout] | [INFO] [stdout] 762 | rectmanager.set_position(working_rect, 2, 2); [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: unused `Result` that must be used [INFO] [stdout] --> src/tests.rs:767:5 [INFO] [stdout] | [INFO] [stdout] 767 | rectmanager.render(); [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: unused `Result` that must be used [INFO] [stdout] --> src/tests.rs:770:5 [INFO] [stdout] | [INFO] [stdout] 770 | rectmanager.set_character(*rects.last().unwrap(), 0, 0, 'X'); [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] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.08s [INFO] running `Command { std: "docker" "inspect" "36b98b9a30186d7369395d0eb9f1e7894bfa6fb6c5a22f46ddfb90507e7daca2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "36b98b9a30186d7369395d0eb9f1e7894bfa6fb6c5a22f46ddfb90507e7daca2", kill_on_drop: false }` [INFO] [stdout] 36b98b9a30186d7369395d0eb9f1e7894bfa6fb6c5a22f46ddfb90507e7daca2