[INFO] cloning repository https://github.com/loloof64/ChessCombinationsReviser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/loloof64/ChessCombinationsReviser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Floloof64%2FChessCombinationsReviser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Floloof64%2FChessCombinationsReviser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1ab3c0e35fbec67e26eb68cdb51b24822126a01e
[INFO] checking loloof64/ChessCombinationsReviser against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Floloof64%2FChessCombinationsReviser" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/loloof64/ChessCombinationsReviser on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/loloof64/ChessCombinationsReviser
[INFO] finished tweaking git repo https://github.com/loloof64/ChessCombinationsReviser
[INFO] tweaked toml for git repo https://github.com/loloof64/ChessCombinationsReviser written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/loloof64/ChessCombinationsReviser already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded roxmltree v0.14.1
[INFO] [stderr]   Downloaded rgb v0.8.27
[INFO] [stderr]   Downloaded pico-args v0.4.2
[INFO] [stderr]   Downloaded unicode-script v0.5.3
[INFO] [stderr]   Downloaded tiny-skia v0.5.1
[INFO] [stderr]   Downloaded fontdb v0.5.4
[INFO] [stderr]   Downloaded kurbo v0.8.0
[INFO] [stderr]   Downloaded unicode-ccc v0.1.2
[INFO] [stderr]   Downloaded ttf-parser v0.12.3
[INFO] [stderr]   Downloaded resvg v0.15.0
[INFO] [stderr]   Downloaded usvg v0.15.0
[INFO] [stderr]   Downloaded svgfilters v0.3.0
[INFO] [stderr]   Downloaded fltk-derive v1.1.0
[INFO] [stderr]   Downloaded fltk v1.1.1
[INFO] [stderr]   Downloaded fltk-sys v1.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ffde85593608ee0cd21cfab77352cfa55fff7ba9e0d5191140ebc2ba694e6d03
[INFO] running `Command { std: "docker" "start" "-a" "ffde85593608ee0cd21cfab77352cfa55fff7ba9e0d5191140ebc2ba694e6d03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffde85593608ee0cd21cfab77352cfa55fff7ba9e0d5191140ebc2ba694e6d03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffde85593608ee0cd21cfab77352cfa55fff7ba9e0d5191140ebc2ba694e6d03", kill_on_drop: false }`
[INFO] [stdout] ffde85593608ee0cd21cfab77352cfa55fff7ba9e0d5191140ebc2ba694e6d03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce06b066b24ea009e01fe95794d79db1a03ff06fe891f7d9556ab3c133da25bd
[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" "ce06b066b24ea009e01fe95794d79db1a03ff06fe891f7d9556ab3c133da25bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking bytemuck v1.7.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking float-cmp v0.5.3
[INFO] [stderr]     Checking unicode-script v0.5.3
[INFO] [stderr]     Checking xmlparser v0.13.3
[INFO] [stderr]     Checking unicode-ccc v0.1.2
[INFO] [stderr]     Checking ttf-parser v0.9.0
[INFO] [stderr]     Checking pico-args v0.4.2
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking mucow v0.1.0
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]     Checking kurbo v0.8.0
[INFO] [stderr]     Checking crossbeam-utils v0.8.5
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]     Checking unicode-general-category v0.2.0
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking data-url v0.1.0
[INFO] [stderr]     Checking simplecss v0.2.0
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[INFO] [stderr]     Checking safe_arch v0.5.2
[INFO] [stderr]     Checking rgb v0.8.27
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking roxmltree v0.14.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling fltk-sys v1.1.1
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking tiny-skia v0.5.1
[INFO] [stderr]     Checking svgfilters v0.3.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking memmap2 v0.2.3
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking fontdb v0.5.4
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking rustybuzz v0.3.0
[INFO] [stderr]    Compiling fltk-derive v1.1.0
[INFO] [stderr]     Checking pleco v0.5.0
[INFO] [stderr]     Checking usvg v0.15.0
[INFO] [stderr]     Checking resvg v0.15.0
[INFO] [stderr]     Checking fltk v1.1.1
[INFO] [stderr]     Checking chess-combination-reviser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `try_removing_correct_cell`
[INFO] [stdout]    --> src/chessboard/mod.rs:256:12
[INFO] [stdout]     |
[INFO] [stdout] 256 |     pub fn try_removing_correct_cell(&mut self, cell: Coordinates) {
[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: `try_removing_wrong_cell`
[INFO] [stdout]    --> src/chessboard/mod.rs:276:12
[INFO] [stdout]     |
[INFO] [stdout] 276 |     pub fn try_removing_wrong_cell(&mut self, cell: Coordinates) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `try_clearing_correct_and_wrong_cells`
[INFO] [stdout]    --> src/chessboard/mod.rs:286:12
[INFO] [stdout]     |
[INFO] [stdout] 286 |     pub fn try_clearing_correct_and_wrong_cells(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove_correct_cell`
[INFO] [stdout]    --> src/chessboard/mod.rs:310:8
[INFO] [stdout]     |
[INFO] [stdout] 310 |     fn remove_correct_cell(&mut self, cell: Coordinates) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove_wrong_cell`
[INFO] [stdout]    --> src/chessboard/mod.rs:321:8
[INFO] [stdout]     |
[INFO] [stdout] 321 |     fn remove_wrong_cell(&mut self, cell: Coordinates) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clear`
[INFO] [stdout]    --> src/chessboard/mod.rs:328:8
[INFO] [stdout]     |
[INFO] [stdout] 328 |     fn clear(&mut self) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Playable`
[INFO] [stdout]    --> src/chessboard/mod.rs:340:5
[INFO] [stdout]     |
[INFO] [stdout] 340 |     Playable(PlayableModeData),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Editable`
[INFO] [stdout]    --> src/chessboard/mod.rs:341:5
[INFO] [stdout]     |
[INFO] [stdout] 341 |     Editable(EditableModeData),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `try_removing_correct_cell`
[INFO] [stdout]    --> src/chessboard/mod.rs:256:12
[INFO] [stdout]     |
[INFO] [stdout] 256 |     pub fn try_removing_correct_cell(&mut self, cell: Coordinates) {
[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: `try_removing_wrong_cell`
[INFO] [stdout]    --> src/chessboard/mod.rs:276:12
[INFO] [stdout]     |
[INFO] [stdout] 276 |     pub fn try_removing_wrong_cell(&mut self, cell: Coordinates) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `try_clearing_correct_and_wrong_cells`
[INFO] [stdout]    --> src/chessboard/mod.rs:286:12
[INFO] [stdout]     |
[INFO] [stdout] 286 |     pub fn try_clearing_correct_and_wrong_cells(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove_correct_cell`
[INFO] [stdout]    --> src/chessboard/mod.rs:310:8
[INFO] [stdout]     |
[INFO] [stdout] 310 |     fn remove_correct_cell(&mut self, cell: Coordinates) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove_wrong_cell`
[INFO] [stdout]    --> src/chessboard/mod.rs:321:8
[INFO] [stdout]     |
[INFO] [stdout] 321 |     fn remove_wrong_cell(&mut self, cell: Coordinates) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clear`
[INFO] [stdout]    --> src/chessboard/mod.rs:328:8
[INFO] [stdout]     |
[INFO] [stdout] 328 |     fn clear(&mut self) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Playable`
[INFO] [stdout]    --> src/chessboard/mod.rs:340:5
[INFO] [stdout]     |
[INFO] [stdout] 340 |     Playable(PlayableModeData),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Editable`
[INFO] [stdout]    --> src/chessboard/mod.rs:341:5
[INFO] [stdout]     |
[INFO] [stdout] 341 |     Editable(EditableModeData),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] running `Command { std: "docker" "inspect" "ce06b066b24ea009e01fe95794d79db1a03ff06fe891f7d9556ab3c133da25bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce06b066b24ea009e01fe95794d79db1a03ff06fe891f7d9556ab3c133da25bd", kill_on_drop: false }`
[INFO] [stdout] ce06b066b24ea009e01fe95794d79db1a03ff06fe891f7d9556ab3c133da25bd