[INFO] fetching crate wrecked 0.1.6...
[INFO] checking wrecked-0.1.6 against master#430feb24a46993e5073c1bb1b39da190d83fa2bf for pr-78363
[INFO] extracting crate wrecked 0.1.6 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate wrecked 0.1.6 on toolchain 430feb24a46993e5073c1bb1b39da190d83fa2bf
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wrecked 0.1.6
[INFO] finished tweaking crates.io crate wrecked 0.1.6
[INFO] tweaked toml for crates.io crate wrecked 0.1.6 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd0d300888209a576ea33b9f9e6e5cac0d8c21cafc7f809813e8544f3f082140
[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" "fd0d300888209a576ea33b9f9e6e5cac0d8c21cafc7f809813e8544f3f082140", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd0d300888209a576ea33b9f9e6e5cac0d8c21cafc7f809813e8544f3f082140", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd0d300888209a576ea33b9f9e6e5cac0d8c21cafc7f809813e8544f3f082140", kill_on_drop: false }`
[INFO] [stdout] fd0d300888209a576ea33b9f9e6e5cac0d8c21cafc7f809813e8544f3f082140
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4f2b23b4f8f8fc8ae2649353eef098d43f83a0a23a9b4f36629f7012975208a
[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" "f4f2b23b4f8f8fc8ae2649353eef098d43f83a0a23a9b4f36629f7012975208a", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.80
[INFO] [stderr]     Checking termios v0.3.3
[INFO] [stderr]     Checking wrecked v0.1.6 (/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:21:44
[INFO] [stdout]    |
[INFO] [stdout] 21 |     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:21:44
[INFO] [stdout]    |
[INFO] [stdout] 21 |     use libc::{winsize, TIOCGWINSZ, ioctl, isatty};
[INFO] [stdout]    |                                            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_empty`
[INFO] [stdout]    --> src/lib.rs:122:12
[INFO] [stdout]     |
[INFO] [stdout] 122 |     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:1590:8
[INFO] [stdout]      |
[INFO] [stdout] 1590 |     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:1623:8
[INFO] [stdout]      |
[INFO] [stdout] 1623 |     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:2067:8
[INFO] [stdout]      |
[INFO] [stdout] 2067 |     fn get_rank(&self, rect_id: usize) -> Result<usize, RectError> {
[INFO] [stdout]      |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_depth`
[INFO] [stdout]     --> src/lib.rs:2093:8
[INFO] [stdout]      |
[INFO] [stdout] 2093 |     fn get_depth(&self, rect_id: usize) -> Option<usize> {
[INFO] [stdout]      |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `trace_lineage`
[INFO] [stdout]     --> src/lib.rs:2124:8
[INFO] [stdout]      |
[INFO] [stdout] 2124 |     fn trace_lineage(&self, rect_id: usize) -> Vec<usize> {
[INFO] [stdout]      |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_rect_id`
[INFO] [stdout]     --> src/lib.rs:2329:8
[INFO] [stdout]      |
[INFO] [stdout] 2329 |     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:2467:12
[INFO] [stdout]      |
[INFO] [stdout] 2467 |     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:2471:8
[INFO] [stdout]      |
[INFO] [stdout] 2471 |     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:2475:8
[INFO] [stdout]      |
[INFO] [stdout] 2475 |     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:2479:8
[INFO] [stdout]      |
[INFO] [stdout] 2479 |     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:2483:8
[INFO] [stdout]      |
[INFO] [stdout] 2483 |     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:2487:8
[INFO] [stdout]      |
[INFO] [stdout] 2487 |     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:2491:8
[INFO] [stdout]      |
[INFO] [stdout] 2491 |     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:2667:12
[INFO] [stdout]      |
[INFO] [stdout] 2667 |     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:2683:12
[INFO] [stdout]      |
[INFO] [stdout] 2683 |     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:2686:12
[INFO] [stdout]      |
[INFO] [stdout] 2686 |     pub fn get_bg_color(&self) -> RectColor {
[INFO] [stdout]      |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[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]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_rect_id`
[INFO] [stdout]     --> src/lib.rs:2329:8
[INFO] [stdout]      |
[INFO] [stdout] 2329 |     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:2491:8
[INFO] [stdout]      |
[INFO] [stdout] 2491 |     fn is_blinking(&self) -> bool {
[INFO] [stdout]      |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.39s
[INFO] running `Command { std: "docker" "inspect" "f4f2b23b4f8f8fc8ae2649353eef098d43f83a0a23a9b4f36629f7012975208a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4f2b23b4f8f8fc8ae2649353eef098d43f83a0a23a9b4f36629f7012975208a", kill_on_drop: false }`
[INFO] [stdout] f4f2b23b4f8f8fc8ae2649353eef098d43f83a0a23a9b4f36629f7012975208a