[INFO] cloning repository https://github.com/ConfusedSky/rusty-sudoku
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ConfusedSky/rusty-sudoku" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FConfusedSky%2Frusty-sudoku", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FConfusedSky%2Frusty-sudoku'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 13d731cc7662b17d42f48d4bf7e4575a81de5e79
[INFO] checking ConfusedSky/rusty-sudoku against master#292be5c7c05138d753bbd4b30db7a3f1a5c914f7 for pr-148271
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FConfusedSky%2Frusty-sudoku" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ConfusedSky/rusty-sudoku
[INFO] finished tweaking git repo https://github.com/ConfusedSky/rusty-sudoku
[INFO] tweaked toml for git repo https://github.com/ConfusedSky/rusty-sudoku written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ConfusedSky/rusty-sudoku on toolchain 292be5c7c05138d753bbd4b30db7a3f1a5c914f7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+292be5c7c05138d753bbd4b30db7a3f1a5c914f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ConfusedSky/rusty-sudoku already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+292be5c7c05138d753bbd4b30db7a3f1a5c914f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /workspace/builds/worker-5-tc1/source/app/Cargo.toml
[INFO] [stderr] workspace: /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] [stderr] warning: /workspace/builds/worker-5-tc1/source/app/Cargo.toml: Found `debug_assertions` in `target.'cfg(...)'.dependencies`. This value is not supported for selecting dependencies and will not work as expected. To learn more visit https://doc.rust-lang.org/cargo/reference/specifying-dependencies.html#platform-specific-dependencies
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.67
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.67
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.2.50
[INFO] [stderr]   Downloaded hermit-abi v0.1.15
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.67
[INFO] [stderr]   Downloaded proc-macro2 v1.0.19
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.3.27
[INFO] [stderr]   Downloaded js-sys v0.3.44
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.2.50
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.67
[INFO] [stderr]   Downloaded serde_json v1.0.57
[INFO] [stderr]   Downloaded syn v1.0.36
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.67
[INFO] [stderr]   Downloaded libc v0.2.74
[INFO] [stderr]   Downloaded web-sys v0.3.44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+292be5c7c05138d753bbd4b30db7a3f1a5c914f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 21db90a0a01562cdb17824fe61cf4e8ab3b20bda6e65ce3db63c1513b6fd59b8
[INFO] running `Command { std: "docker" "start" "-a" "21db90a0a01562cdb17824fe61cf4e8ab3b20bda6e65ce3db63c1513b6fd59b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21db90a0a01562cdb17824fe61cf4e8ab3b20bda6e65ce3db63c1513b6fd59b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21db90a0a01562cdb17824fe61cf4e8ab3b20bda6e65ce3db63c1513b6fd59b8", kill_on_drop: false }`
[INFO] [stdout] 21db90a0a01562cdb17824fe61cf4e8ab3b20bda6e65ce3db63c1513b6fd59b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+292be5c7c05138d753bbd4b30db7a3f1a5c914f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4e8c8836b9701f84e96ff24215b772140960a4ec80d633eb9ed18b9150b76e7
[INFO] running `Command { std: "docker" "start" "-a" "b4e8c8836b9701f84e96ff24215b772140960a4ec80d633eb9ed18b9150b76e7", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /opt/rustwide/workdir/app/Cargo.toml
[INFO] [stderr] workspace: /opt/rustwide/workdir/Cargo.toml
[INFO] [stderr] warning: /opt/rustwide/workdir/app/Cargo.toml: Found `debug_assertions` in `target.'cfg(...)'.dependencies`. This value is not supported for selecting dependencies and will not work as expected. To learn more visit https://doc.rust-lang.org/cargo/reference/specifying-dependencies.html#platform-specific-dependencies
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.67
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling bumpalo v3.4.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling wasm-bindgen v0.2.67
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.2.50
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.67
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.67
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.67
[INFO] [stderr]     Checking sudoku_core v0.1.0 (/opt/rustwide/workdir/sudoku_core)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> sudoku_core/src/lib.rs:31:26
[INFO] [stdout]    |
[INFO] [stdout] 31 |             Self::Top => (1..4),
[INFO] [stdout]    |                          ^    ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 31 -             Self::Top => (1..4),
[INFO] [stdout] 31 +             Self::Top => 1..4,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> sudoku_core/src/lib.rs:32:29
[INFO] [stdout]    |
[INFO] [stdout] 32 |             Self::Middle => (4..7),
[INFO] [stdout]    |                             ^    ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 32 -             Self::Middle => (4..7),
[INFO] [stdout] 32 +             Self::Middle => 4..7,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> sudoku_core/src/lib.rs:33:29
[INFO] [stdout]    |
[INFO] [stdout] 33 |             Self::Bottom => (7..10),
[INFO] [stdout]    |                             ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 33 -             Self::Bottom => (7..10),
[INFO] [stdout] 33 +             Self::Bottom => 7..10,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> sudoku_core/src/lib.rs:172:21
[INFO] [stdout]     |
[INFO] [stdout] 172 |     pub fn solve<F>(&mut self, before_step: F) -> GridIterator<F>
[INFO] [stdout]     |                     ^^^^^^^^^                     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 172 |     pub fn solve<F>(&mut self, before_step: F) -> GridIterator<'_, F>
[INFO] [stdout]     |                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> sudoku_core/src/lib.rs:31:26
[INFO] [stdout]    |
[INFO] [stdout] 31 |             Self::Top => (1..4),
[INFO] [stdout]    |                          ^    ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 31 -             Self::Top => (1..4),
[INFO] [stdout] 31 +             Self::Top => 1..4,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> sudoku_core/src/lib.rs:32:29
[INFO] [stdout]    |
[INFO] [stdout] 32 |             Self::Middle => (4..7),
[INFO] [stdout]    |                             ^    ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 32 -             Self::Middle => (4..7),
[INFO] [stdout] 32 +             Self::Middle => 4..7,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> sudoku_core/src/lib.rs:33:29
[INFO] [stdout]    |
[INFO] [stdout] 33 |             Self::Bottom => (7..10),
[INFO] [stdout]    |                             ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 33 -             Self::Bottom => (7..10),
[INFO] [stdout] 33 +             Self::Bottom => 7..10,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> sudoku_core/src/lib.rs:172:21
[INFO] [stdout]     |
[INFO] [stdout] 172 |     pub fn solve<F>(&mut self, before_step: F) -> GridIterator<F>
[INFO] [stdout]     |                     ^^^^^^^^^                     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 172 |     pub fn solve<F>(&mut self, before_step: F) -> GridIterator<'_, F>
[INFO] [stdout]     |                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: older versions of the `wasm-bindgen` crate are incompatible with current versions of Rust; please update to `wasm-bindgen` v0.2.88
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wasm-bindgen` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "b4e8c8836b9701f84e96ff24215b772140960a4ec80d633eb9ed18b9150b76e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4e8c8836b9701f84e96ff24215b772140960a4ec80d633eb9ed18b9150b76e7", kill_on_drop: false }`
[INFO] [stdout] b4e8c8836b9701f84e96ff24215b772140960a4ec80d633eb9ed18b9150b76e7
