[INFO] fetching crate lisudoku-solver 0.1.22...
[INFO] checking lisudoku-solver-0.1.22 against master#8424f8e8cdf07010967a57584fd647b30e930d4d for pr-120095
[INFO] extracting crate lisudoku-solver 0.1.22 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate lisudoku-solver 0.1.22 on toolchain 8424f8e8cdf07010967a57584fd647b30e930d4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lisudoku-solver 0.1.22
[INFO] finished tweaking crates.io crate lisudoku-solver 0.1.22
[INFO] tweaked toml for crates.io crate lisudoku-solver 0.1.22 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lz-str v0.2.1
[INFO] [stderr]   Downloaded combinations v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4372c748ac7b62c56c15a689511419778eb279e2dfa520dfc4fb65295e6e74fe
[INFO] running `Command { std: "docker" "start" "-a" "4372c748ac7b62c56c15a689511419778eb279e2dfa520dfc4fb65295e6e74fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4372c748ac7b62c56c15a689511419778eb279e2dfa520dfc4fb65295e6e74fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4372c748ac7b62c56c15a689511419778eb279e2dfa520dfc4fb65295e6e74fe", kill_on_drop: false }`
[INFO] [stdout] 4372c748ac7b62c56c15a689511419778eb279e2dfa520dfc4fb65295e6e74fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 991e9fcd3185574a43bf5f9bcbcb17869cf9beed952782ffe822210bbb1d103b
[INFO] running `Command { std: "docker" "start" "-a" "991e9fcd3185574a43bf5f9bcbcb17869cf9beed952782ffe822210bbb1d103b", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.90
[INFO] [stderr]    Compiling bumpalo v3.14.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.90
[INFO] [stderr]     Checking combinations v0.1.0
[INFO] [stderr]     Checking lz-str v0.2.1
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.90
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.90
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.90
[INFO] [stderr]     Checking js-sys v0.3.67
[INFO] [stderr]     Checking console_error_panic_hook v0.1.7
[INFO] [stderr]     Checking web-sys v0.3.67
[INFO] [stderr]     Checking serde-wasm-bindgen v0.4.5
[INFO] [stderr]     Checking gloo-utils v0.1.7
[INFO] [stderr]     Checking lisudoku-solver v0.1.22 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.56s
[INFO] running `Command { std: "docker" "inspect" "991e9fcd3185574a43bf5f9bcbcb17869cf9beed952782ffe822210bbb1d103b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "991e9fcd3185574a43bf5f9bcbcb17869cf9beed952782ffe822210bbb1d103b", kill_on_drop: false }`
[INFO] [stdout] 991e9fcd3185574a43bf5f9bcbcb17869cf9beed952782ffe822210bbb1d103b
[INFO] checking lisudoku-solver-0.1.22 against try#047472f299946caf090d1b5608ae4bd9f0416256+rustflags=-Ddereferencing_mut_binding for pr-120095
[INFO] extracting crate lisudoku-solver 0.1.22 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate lisudoku-solver 0.1.22 on toolchain 047472f299946caf090d1b5608ae4bd9f0416256
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lisudoku-solver 0.1.22
[INFO] finished tweaking crates.io crate lisudoku-solver 0.1.22
[INFO] tweaked toml for crates.io crate lisudoku-solver 0.1.22 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83be02dd84fb1dc359ae125351937364c7c4af72f7dbe9ae9e6e7e0f805dc7a2
[INFO] running `Command { std: "docker" "start" "-a" "83be02dd84fb1dc359ae125351937364c7c4af72f7dbe9ae9e6e7e0f805dc7a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83be02dd84fb1dc359ae125351937364c7c4af72f7dbe9ae9e6e7e0f805dc7a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83be02dd84fb1dc359ae125351937364c7c4af72f7dbe9ae9e6e7e0f805dc7a2", kill_on_drop: false }`
[INFO] [stdout] 83be02dd84fb1dc359ae125351937364c7c4af72f7dbe9ae9e6e7e0f805dc7a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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 -Ddereferencing_mut_binding" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89c1db188057859efef0f33ad69dbf72062a4499d9c4ac2cb72a657ece5cd922
[INFO] running `Command { std: "docker" "start" "-a" "89c1db188057859efef0f33ad69dbf72062a4499d9c4ac2cb72a657ece5cd922", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.90
[INFO] [stderr]    Compiling bumpalo v3.14.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.90
[INFO] [stderr]     Checking lz-str v0.2.1
[INFO] [stderr]     Checking combinations v0.1.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.90
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.90
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.90
[INFO] [stderr]     Checking js-sys v0.3.67
[INFO] [stderr]     Checking console_error_panic_hook v0.1.7
[INFO] [stderr]     Checking web-sys v0.3.67
[INFO] [stderr]     Checking serde-wasm-bindgen v0.4.5
[INFO] [stderr]     Checking gloo-utils v0.1.7
[INFO] [stderr]     Checking lisudoku-solver v0.1.22 (/opt/rustwide/workdir)
[INFO] [stdout] error: dereferencing `mut` binding
[INFO] [stdout]   --> src/solver/logical_solver/empty_reclanges.rs:50:25
[INFO] [stdout]    |
[INFO] [stdout] 50 |           for (area, _, mut c1, mut c2) in strong_links {
[INFO] [stdout]    |                         ^^^^^^ `mut` dereferences the type of this binding
[INFO] [stdout]    |
[INFO] [stdout] help: this will change in edition 2024
[INFO] [stdout]   --> src/solver/logical_solver/empty_reclanges.rs:50:25
[INFO] [stdout]    |
[INFO] [stdout] 50 |           for (area, _, mut c1, mut c2) in strong_links {
[INFO] [stdout]    |                         ^^^^^^
[INFO] [stdout]    = note: requested on the command line with `-D dereferencing-mut-binding`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: dereferencing `mut` binding
[INFO] [stdout]   --> src/solver/logical_solver/empty_reclanges.rs:50:33
[INFO] [stdout]    |
[INFO] [stdout] 50 |           for (area, _, mut c1, mut c2) in strong_links {
[INFO] [stdout]    |                                 ^^^^^^ `mut` dereferences the type of this binding
[INFO] [stdout]    |
[INFO] [stdout] help: this will change in edition 2024
[INFO] [stdout]   --> src/solver/logical_solver/empty_reclanges.rs:50:33
[INFO] [stdout]    |
[INFO] [stdout] 50 |           for (area, _, mut c1, mut c2) in strong_links {
[INFO] [stdout]    |                                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: dereferencing `mut` binding
[INFO] [stdout]   --> src/solver/logical_solver/empty_reclanges.rs:84:25
[INFO] [stdout]    |
[INFO] [stdout] 84 |           for (area, _, mut c1, mut c2) in strong_links {
[INFO] [stdout]    |                         ^^^^^^ `mut` dereferences the type of this binding
[INFO] [stdout]    |
[INFO] [stdout] help: this will change in edition 2024
[INFO] [stdout]   --> src/solver/logical_solver/empty_reclanges.rs:84:25
[INFO] [stdout]    |
[INFO] [stdout] 84 |           for (area, _, mut c1, mut c2) in strong_links {
[INFO] [stdout]    |                         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: dereferencing `mut` binding
[INFO] [stdout]   --> src/solver/logical_solver/empty_reclanges.rs:84:33
[INFO] [stdout]    |
[INFO] [stdout] 84 |           for (area, _, mut c1, mut c2) in strong_links {
[INFO] [stdout]    |                                 ^^^^^^ `mut` dereferences the type of this binding
[INFO] [stdout]    |
[INFO] [stdout] help: this will change in edition 2024
[INFO] [stdout]   --> src/solver/logical_solver/empty_reclanges.rs:84:33
[INFO] [stdout]    |
[INFO] [stdout] 84 |           for (area, _, mut c1, mut c2) in strong_links {
[INFO] [stdout]    |                                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: dereferencing `mut` binding
[INFO] [stdout]   --> src/solver/logical_solver/empty_reclanges.rs:50:25
[INFO] [stdout]    |
[INFO] [stdout] 50 |           for (area, _, mut c1, mut c2) in strong_links {
[INFO] [stdout]    |                         ^^^^^^ `mut` dereferences the type of this binding
[INFO] [stdout]    |
[INFO] [stdout] help: this will change in edition 2024
[INFO] [stdout]   --> src/solver/logical_solver/empty_reclanges.rs:50:25
[INFO] [stdout]    |
[INFO] [stdout] 50 |           for (area, _, mut c1, mut c2) in strong_links {
[INFO] [stdout]    |                         ^^^^^^
[INFO] [stdout]    = note: requested on the command line with `-D dereferencing-mut-binding`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: dereferencing `mut` binding
[INFO] [stdout]   --> src/solver/logical_solver/empty_reclanges.rs:50:33
[INFO] [stdout]    |
[INFO] [stdout] 50 |           for (area, _, mut c1, mut c2) in strong_links {
[INFO] [stdout]    |                                 ^^^^^^ `mut` dereferences the type of this binding
[INFO] [stdout]    |
[INFO] [stdout] help: this will change in edition 2024
[INFO] [stdout]   --> src/solver/logical_solver/empty_reclanges.rs:50:33
[INFO] [stdout]    |
[INFO] [stdout] 50 |           for (area, _, mut c1, mut c2) in strong_links {
[INFO] [stdout]    |                                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: dereferencing `mut` binding
[INFO] [stdout]   --> src/solver/logical_solver/empty_reclanges.rs:84:25
[INFO] [stdout]    |
[INFO] [stdout] 84 |           for (area, _, mut c1, mut c2) in strong_links {
[INFO] [stdout]    |                         ^^^^^^ `mut` dereferences the type of this binding
[INFO] [stdout]    |
[INFO] [stdout] help: this will change in edition 2024
[INFO] [stdout]   --> src/solver/logical_solver/empty_reclanges.rs:84:25
[INFO] [stdout]    |
[INFO] [stdout] 84 |           for (area, _, mut c1, mut c2) in strong_links {
[INFO] [stdout]    |                         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: dereferencing `mut` binding
[INFO] [stdout]   --> src/solver/logical_solver/empty_reclanges.rs:84:33
[INFO] [stdout]    |
[INFO] [stdout] 84 |           for (area, _, mut c1, mut c2) in strong_links {
[INFO] [stdout]    |                                 ^^^^^^ `mut` dereferences the type of this binding
[INFO] [stdout]    |
[INFO] [stdout] help: this will change in edition 2024
[INFO] [stdout]   --> src/solver/logical_solver/empty_reclanges.rs:84:33
[INFO] [stdout]    |
[INFO] [stdout] 84 |           for (area, _, mut c1, mut c2) in strong_links {
[INFO] [stdout]    |                                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lisudoku-solver` (lib) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lisudoku-solver` (lib test) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "89c1db188057859efef0f33ad69dbf72062a4499d9c4ac2cb72a657ece5cd922", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89c1db188057859efef0f33ad69dbf72062a4499d9c4ac2cb72a657ece5cd922", kill_on_drop: false }`
[INFO] [stdout] 89c1db188057859efef0f33ad69dbf72062a4499d9c4ac2cb72a657ece5cd922