[INFO] cloning repository https://github.com/georgyangelov/chess-lib
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/georgyangelov/chess-lib" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgeorgyangelov%2Fchess-lib", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgeorgyangelov%2Fchess-lib'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bd666c6d8f625ae08021a11bf228c9e4ce45e9de
[INFO] checking georgyangelov/chess-lib against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgeorgyangelov%2Fchess-lib" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/georgyangelov/chess-lib on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/georgyangelov/chess-lib
[INFO] finished tweaking git repo https://github.com/georgyangelov/chess-lib
[INFO] tweaked toml for git repo https://github.com/georgyangelov/chess-lib written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/georgyangelov/chess-lib already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.119
[INFO] [stderr]   Downloaded itoa v0.4.7
[INFO] [stderr]   Downloaded memchr v2.3.4
[INFO] [stderr]   Downloaded cfg-if v1.0.0
[INFO] [stderr]   Downloaded serde v1.0.119
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.69
[INFO] [stderr]   Downloaded aho-corasick v0.7.15
[INFO] [stderr]   Downloaded lazy_static v1.4.0
[INFO] [stderr]   Downloaded cfg-if v0.1.10
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.69
[INFO] [stderr]   Downloaded js-sys v0.3.46
[INFO] [stderr]   Downloaded serde_json v1.0.61
[INFO] [stderr]   Downloaded bumpalo v3.4.0
[INFO] [stderr]   Downloaded thread_local v1.1.0
[INFO] [stderr]   Downloaded syn v1.0.58
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.69
[INFO] [stderr]   Downloaded regex-syntax v0.6.22
[INFO] [stderr]   Downloaded regex v1.4.3
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.69
[INFO] [stderr]   Downloaded log v0.4.13
[INFO] [stderr]   Downloaded quote v1.0.8
[INFO] [stderr]   Downloaded unicode-xid v0.2.1
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.69
[INFO] [stderr]   Downloaded ryu v1.0.5
[INFO] [stderr]   Downloaded proc-macro2 v1.0.24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d87487f9adc52f4522107a037b8dd4ad13b506f09f8e5ba8309b6c1a426ca1c0
[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" "d87487f9adc52f4522107a037b8dd4ad13b506f09f8e5ba8309b6c1a426ca1c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d87487f9adc52f4522107a037b8dd4ad13b506f09f8e5ba8309b6c1a426ca1c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d87487f9adc52f4522107a037b8dd4ad13b506f09f8e5ba8309b6c1a426ca1c0", kill_on_drop: false }`
[INFO] [stdout] d87487f9adc52f4522107a037b8dd4ad13b506f09f8e5ba8309b6c1a426ca1c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f62cf2c74d51a70da87118abd305e734e0e6f7b770ae8e4abb6fc54ffb61e87
[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" "5f62cf2c74d51a70da87118abd305e734e0e6f7b770ae8e4abb6fc54ffb61e87", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.69
[INFO] [stderr]    Compiling serde_derive v1.0.119
[INFO] [stderr]    Compiling bumpalo v3.4.0
[INFO] [stderr]    Compiling serde v1.0.119
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling wasm-bindgen v0.2.69
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking thread_local v1.1.0
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.69
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.69
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.69
[INFO] [stderr]     Checking serde_json v1.0.61
[INFO] [stderr]     Checking js-sys v0.3.46
[INFO] [stderr]     Checking pgn-lib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `PGNMove`
[INFO] [stdout]  --> src/game/mod.rs:7:41
[INFO] [stdout]   |
[INFO] [stdout] 7 | use super::parser::{Parser, ParseError, PGNMove};
[INFO] [stdout]   |                                         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PGNMove`
[INFO] [stdout]  --> src/game/mod.rs:7:41
[INFO] [stdout]   |
[INFO] [stdout] 7 | use super::parser::{Parser, ParseError, PGNMove};
[INFO] [stdout]   |                                         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/parser/mod.rs:241:67
[INFO] [stdout]     |
[INFO] [stdout] 241 |         let number = consume_value_optional!(self, Token::Integer(value), value);
[INFO] [stdout]     |                                                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `chars`
[INFO] [stdout]    --> src/game/mod.rs:727:13
[INFO] [stdout]     |
[INFO] [stdout] 727 |         let chars: Vec<char> = notation.chars().collect();
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_chars`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `promotion_piece`
[INFO] [stdout]    --> src/game/mod.rs:740:13
[INFO] [stdout]     |
[INFO] [stdout] 740 |         let promotion_piece = matches.name("promotion").and_then( |m| Self::parse_piece_letter(m.as_str()) );
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_promotion_piece`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/parser/mod.rs:241:67
[INFO] [stdout]     |
[INFO] [stdout] 241 |         let number = consume_value_optional!(self, Token::Integer(value), value);
[INFO] [stdout]     |                                                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `chars`
[INFO] [stdout]    --> src/game/mod.rs:727:13
[INFO] [stdout]     |
[INFO] [stdout] 727 |         let chars: Vec<char> = notation.chars().collect();
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_chars`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `promotion_piece`
[INFO] [stdout]    --> src/game/mod.rs:740:13
[INFO] [stdout]     |
[INFO] [stdout] 740 |         let promotion_piece = matches.name("promotion").and_then( |m| Self::parse_piece_letter(m.as_str()) );
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_promotion_piece`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `Command { std: "docker" "inspect" "5f62cf2c74d51a70da87118abd305e734e0e6f7b770ae8e4abb6fc54ffb61e87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f62cf2c74d51a70da87118abd305e734e0e6f7b770ae8e4abb6fc54ffb61e87", kill_on_drop: false }`
[INFO] [stdout] 5f62cf2c74d51a70da87118abd305e734e0e6f7b770ae8e4abb6fc54ffb61e87