[INFO] cloning repository https://github.com/sigh/Large-Sudoku-Solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sigh/Large-Sudoku-Solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsigh%2FLarge-Sudoku-Solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsigh%2FLarge-Sudoku-Solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e9ceeec949575706bb847a9fe9338747ad36a20c
[INFO] checking sigh/Large-Sudoku-Solver against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsigh%2FLarge-Sudoku-Solver" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sigh/Large-Sudoku-Solver on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sigh/Large-Sudoku-Solver
[INFO] finished tweaking git repo https://github.com/sigh/Large-Sudoku-Solver
[INFO] tweaked toml for git repo https://github.com/sigh/Large-Sudoku-Solver written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sigh/Large-Sudoku-Solver 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d962e9e5cccae95c422224f64a04e8fd29c5114cfc061548e7b34ddd31147bc
[INFO] running `Command { std: "docker" "start" "-a" "8d962e9e5cccae95c422224f64a04e8fd29c5114cfc061548e7b34ddd31147bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d962e9e5cccae95c422224f64a04e8fd29c5114cfc061548e7b34ddd31147bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d962e9e5cccae95c422224f64a04e8fd29c5114cfc061548e7b34ddd31147bc", kill_on_drop: false }`
[INFO] [stdout] 8d962e9e5cccae95c422224f64a04e8fd29c5114cfc061548e7b34ddd31147bc
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abc7f65636b22b1cecd06e78c475743e07f22b7caf2a913989126521723e3216
[INFO] running `Command { std: "docker" "start" "-a" "abc7f65636b22b1cecd06e78c475743e07f22b7caf2a913989126521723e3216", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling serde v1.0.139
[INFO] [stderr]    Compiling crossbeam-utils v0.8.10
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.9
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking either v1.7.0
[INFO] [stderr]     Checking os_str_bytes v6.2.0
[INFO] [stderr]    Compiling serde_json v1.0.82
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.139
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking plotters-backend v0.3.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.5
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking plotters-svg v0.3.2
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking num-complex v0.4.2
[INFO] [stderr]     Checking plotters v0.3.2
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking nix v0.24.2
[INFO] [stderr]     Checking console v0.15.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking ctrlc v3.2.2
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking indicatif v0.16.2
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.2.7
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking clap v3.2.12
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stderr]     Checking large_sudoku_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.39s
[INFO] running `Command { std: "docker" "inspect" "abc7f65636b22b1cecd06e78c475743e07f22b7caf2a913989126521723e3216", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abc7f65636b22b1cecd06e78c475743e07f22b7caf2a913989126521723e3216", kill_on_drop: false }`
[INFO] [stdout] abc7f65636b22b1cecd06e78c475743e07f22b7caf2a913989126521723e3216
[INFO] checking sigh/Large-Sudoku-Solver against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsigh%2FLarge-Sudoku-Solver" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sigh/Large-Sudoku-Solver on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sigh/Large-Sudoku-Solver
[INFO] finished tweaking git repo https://github.com/sigh/Large-Sudoku-Solver
[INFO] tweaked toml for git repo https://github.com/sigh/Large-Sudoku-Solver written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/sigh/Large-Sudoku-Solver 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc54f7e6a1ab5bdb50f52b38d89eb77eafa1f7d606c6a52fe3877daa08f8df87
[INFO] running `Command { std: "docker" "start" "-a" "fc54f7e6a1ab5bdb50f52b38d89eb77eafa1f7d606c6a52fe3877daa08f8df87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc54f7e6a1ab5bdb50f52b38d89eb77eafa1f7d606c6a52fe3877daa08f8df87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc54f7e6a1ab5bdb50f52b38d89eb77eafa1f7d606c6a52fe3877daa08f8df87", kill_on_drop: false }`
[INFO] [stdout] fc54f7e6a1ab5bdb50f52b38d89eb77eafa1f7d606c6a52fe3877daa08f8df87
[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" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95c2254c9566ccb4269cb62324baddd17296a1a49ed1171dc17f47b011b36498
[INFO] running `Command { std: "docker" "start" "-a" "95c2254c9566ccb4269cb62324baddd17296a1a49ed1171dc17f47b011b36498", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling serde v1.0.139
[INFO] [stderr]    Compiling crossbeam-utils v0.8.10
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.9
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]    Compiling serde_json v1.0.82
[INFO] [stderr]     Checking os_str_bytes v6.2.0
[INFO] [stderr]     Checking either v1.7.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking plotters-backend v0.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.139
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking plotters-svg v0.3.2
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking nix v0.24.2
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking console v0.15.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking num-complex v0.4.2
[INFO] [stderr]     Checking plotters v0.3.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking ctrlc v3.2.2
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking indicatif v0.16.2
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.2.7
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking clap v3.2.12
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stderr]     Checking large_sudoku_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.55s
[INFO] running `Command { std: "docker" "inspect" "95c2254c9566ccb4269cb62324baddd17296a1a49ed1171dc17f47b011b36498", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95c2254c9566ccb4269cb62324baddd17296a1a49ed1171dc17f47b011b36498", kill_on_drop: false }`
[INFO] [stdout] 95c2254c9566ccb4269cb62324baddd17296a1a49ed1171dc17f47b011b36498