[INFO] cloning repository https://github.com/SnowballSH/XiangQi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SnowballSH/XiangQi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSnowballSH%2FXiangQi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSnowballSH%2FXiangQi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 14f8081d6fb198cb2840bc50deecec980e210ed8
[INFO] checking SnowballSH/XiangQi against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSnowballSH%2FXiangQi" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SnowballSH/XiangQi on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SnowballSH/XiangQi
[INFO] finished tweaking git repo https://github.com/SnowballSH/XiangQi
[INFO] tweaked toml for git repo https://github.com/SnowballSH/XiangQi written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/SnowballSH/XiangQi already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8986935a3fb261917277f5873ddb9ab143d6e2e71e3343949e8de9b9fdae09d2
[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" "8986935a3fb261917277f5873ddb9ab143d6e2e71e3343949e8de9b9fdae09d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8986935a3fb261917277f5873ddb9ab143d6e2e71e3343949e8de9b9fdae09d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8986935a3fb261917277f5873ddb9ab143d6e2e71e3343949e8de9b9fdae09d2", kill_on_drop: false }`
[INFO] [stdout] 8986935a3fb261917277f5873ddb9ab143d6e2e71e3343949e8de9b9fdae09d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aef96a09ac0da8875bbb7c70e6da02b9364b87b847d9dfbbfdd43883159cd96b
[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" "aef96a09ac0da8875bbb7c70e6da02b9364b87b847d9dfbbfdd43883159cd96b", 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] [stderr]     Checking xiang_qi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt::Write`
[INFO] [stdout]  --> src/types.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Write`
[INFO] [stdout]  --> src/types.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `any`
[INFO] [stdout]   --> src/bitboard.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn any(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: `toggle`
[INFO] [stdout]   --> src/bitboard.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn toggle<T: Into<Bitboard>>(&mut self, squares: T) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `discard`
[INFO] [stdout]   --> src/bitboard.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn discard<T: Into<Bitboard>>(&mut self, squares: T) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove`
[INFO] [stdout]   --> src/bitboard.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn remove(&mut self, sq: Square) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set`
[INFO] [stdout]   --> src/bitboard.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn set(&mut self, sq: Square, v: bool) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clear`
[INFO] [stdout]   --> src/bitboard.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn clear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with`
[INFO] [stdout]   --> src/bitboard.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn with<T: Into<Bitboard>>(self, squares: T) -> Bitboard {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `without`
[INFO] [stdout]   --> src/bitboard.rs:89:12
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn without<T: Into<Bitboard>>(self, squares: T) -> Bitboard {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_disjoint`
[INFO] [stdout]   --> src/bitboard.rs:94:12
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn is_disjoint<T: Into<Bitboard>>(self, other: T) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_subset`
[INFO] [stdout]   --> src/bitboard.rs:99:12
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn is_subset<T: Into<Bitboard>>(self, other: T) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_superset`
[INFO] [stdout]    --> src/bitboard.rs:104:12
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub fn is_superset<T: Into<Bitboard>>(self, other: T) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop_back`
[INFO] [stdout]    --> src/bitboard.rs:125:12
[INFO] [stdout]     |
[INFO] [stdout] 125 |     pub fn pop_back(&mut self) -> Option<Square> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `more_than_one`
[INFO] [stdout]    --> src/bitboard.rs:146:12
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub fn more_than_one(self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `single_square`
[INFO] [stdout]    --> src/bitboard.rs:151:12
[INFO] [stdout]     |
[INFO] [stdout] 151 |     pub fn single_square(self) -> Option<Square> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_line`
[INFO] [stdout]   --> src/main.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn read_line() -> String {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `any`
[INFO] [stdout]   --> src/bitboard.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn any(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: `toggle`
[INFO] [stdout]   --> src/bitboard.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn toggle<T: Into<Bitboard>>(&mut self, squares: T) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `discard`
[INFO] [stdout]   --> src/bitboard.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn discard<T: Into<Bitboard>>(&mut self, squares: T) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove`
[INFO] [stdout]   --> src/bitboard.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn remove(&mut self, sq: Square) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set`
[INFO] [stdout]   --> src/bitboard.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn set(&mut self, sq: Square, v: bool) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clear`
[INFO] [stdout]   --> src/bitboard.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn clear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with`
[INFO] [stdout]   --> src/bitboard.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn with<T: Into<Bitboard>>(self, squares: T) -> Bitboard {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `without`
[INFO] [stdout]   --> src/bitboard.rs:89:12
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn without<T: Into<Bitboard>>(self, squares: T) -> Bitboard {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_disjoint`
[INFO] [stdout]   --> src/bitboard.rs:94:12
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn is_disjoint<T: Into<Bitboard>>(self, other: T) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_subset`
[INFO] [stdout]   --> src/bitboard.rs:99:12
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn is_subset<T: Into<Bitboard>>(self, other: T) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_superset`
[INFO] [stdout]    --> src/bitboard.rs:104:12
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub fn is_superset<T: Into<Bitboard>>(self, other: T) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop_back`
[INFO] [stdout]    --> src/bitboard.rs:125:12
[INFO] [stdout]     |
[INFO] [stdout] 125 |     pub fn pop_back(&mut self) -> Option<Square> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `more_than_one`
[INFO] [stdout]    --> src/bitboard.rs:146:12
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub fn more_than_one(self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `single_square`
[INFO] [stdout]    --> src/bitboard.rs:151:12
[INFO] [stdout]     |
[INFO] [stdout] 151 |     pub fn single_square(self) -> Option<Square> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_line`
[INFO] [stdout]   --> src/main.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn read_line() -> String {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "aef96a09ac0da8875bbb7c70e6da02b9364b87b847d9dfbbfdd43883159cd96b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aef96a09ac0da8875bbb7c70e6da02b9364b87b847d9dfbbfdd43883159cd96b", kill_on_drop: false }`
[INFO] [stdout] aef96a09ac0da8875bbb7c70e6da02b9364b87b847d9dfbbfdd43883159cd96b