[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] b62ba697544648b6f16ddf4a9432c3dfc231011a [INFO] checking sigh/Large-Sudoku-Solver against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsigh%2FLarge-Sudoku-Solver" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sigh/Large-Sudoku-Solver on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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-3-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded num v0.4.0 [INFO] [stderr] Downloaded number_prefix v0.4.0 [INFO] [stderr] Downloaded num-bigint v0.4.3 [INFO] [stderr] Downloaded plotters-svg v0.3.2 [INFO] [stderr] Downloaded ctrlc v3.2.2 [INFO] [stderr] Downloaded num-complex v0.4.2 [INFO] [stderr] Downloaded os_str_bytes v6.2.0 [INFO] [stderr] Downloaded serde_derive v1.0.139 [INFO] [stderr] Downloaded rayon-core v1.9.3 [INFO] [stderr] Downloaded clap v3.2.12 [INFO] [stderr] Downloaded plotters v0.3.2 [INFO] [stderr] Downloaded crossbeam-channel v0.5.5 [INFO] [stderr] Downloaded rayon v1.5.3 [INFO] [stderr] Downloaded csv v1.1.6 [INFO] [stderr] Downloaded serde v1.0.139 [INFO] [stderr] Downloaded nix v0.24.2 [INFO] [stderr] Downloaded plotters-backend v0.3.4 [INFO] [stderr] Downloaded either v1.7.0 [INFO] [stderr] Downloaded crossbeam-epoch v0.9.9 [INFO] [stderr] Downloaded crossbeam-utils v0.8.10 [INFO] [stderr] Downloaded semver v1.0.12 [INFO] [stderr] Downloaded indicatif v0.16.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b42005d4fbca19c69a21b86d376647e66f4e70e2c91f61c67a0f8c34a1c18ab8 [INFO] running `Command { std: "docker" "start" "-a" "b42005d4fbca19c69a21b86d376647e66f4e70e2c91f61c67a0f8c34a1c18ab8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b42005d4fbca19c69a21b86d376647e66f4e70e2c91f61c67a0f8c34a1c18ab8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b42005d4fbca19c69a21b86d376647e66f4e70e2c91f61c67a0f8c34a1c18ab8", kill_on_drop: false }` [INFO] [stdout] b42005d4fbca19c69a21b86d376647e66f4e70e2c91f61c67a0f8c34a1c18ab8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 55dd5c7f9b5d8f28a6c6197be9fec85411c7fd1d6352d85e15ca4db3144aee71 [INFO] running `Command { std: "docker" "start" "-a" "55dd5c7f9b5d8f28a6c6197be9fec85411c7fd1d6352d85e15ca4db3144aee71", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling num-traits v0.2.15 [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] Compiling num-rational v0.4.1 [INFO] [stderr] Compiling num-iter v0.1.43 [INFO] [stderr] Checking regex-syntax v0.6.27 [INFO] [stderr] Compiling rayon-core v1.9.3 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Checking either v1.7.0 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Checking os_str_bytes v6.2.0 [INFO] [stderr] Checking indexmap v1.9.1 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking clap_lex v0.2.4 [INFO] [stderr] Checking crossbeam-channel v0.5.5 [INFO] [stderr] Compiling rayon v1.5.3 [INFO] [stderr] Checking number_prefix v0.4.0 [INFO] [stderr] Checking plotters-backend v0.3.4 [INFO] [stderr] Compiling convert_case v0.4.0 [INFO] [stderr] Checking num-complex v0.4.2 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Compiling serde_derive v1.0.139 [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 rand_core v0.6.3 [INFO] [stderr] Checking console v0.15.0 [INFO] [stderr] Checking nix v0.24.2 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking textwrap v0.15.0 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking plotters-svg v0.3.2 [INFO] [stderr] Checking regex v1.6.0 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking ctrlc v3.2.2 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking plotters v0.3.2 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking num v0.4.0 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking serde_json v1.0.82 [INFO] [stderr] Checking indicatif v0.16.2 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking criterion-plot v0.4.5 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking tinytemplate v1.2.1 [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 36.23s [INFO] running `Command { std: "docker" "inspect" "55dd5c7f9b5d8f28a6c6197be9fec85411c7fd1d6352d85e15ca4db3144aee71", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "55dd5c7f9b5d8f28a6c6197be9fec85411c7fd1d6352d85e15ca4db3144aee71", kill_on_drop: false }` [INFO] [stdout] 55dd5c7f9b5d8f28a6c6197be9fec85411c7fd1d6352d85e15ca4db3144aee71 [INFO] checking sigh/Large-Sudoku-Solver against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsigh%2FLarge-Sudoku-Solver" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sigh/Large-Sudoku-Solver on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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-3-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 40f04d9275c8af579a8272c5f191ac80cefcc6f7f8fa70a4a74c9e65c06fe7f7 [INFO] running `Command { std: "docker" "start" "-a" "40f04d9275c8af579a8272c5f191ac80cefcc6f7f8fa70a4a74c9e65c06fe7f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "40f04d9275c8af579a8272c5f191ac80cefcc6f7f8fa70a4a74c9e65c06fe7f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "40f04d9275c8af579a8272c5f191ac80cefcc6f7f8fa70a4a74c9e65c06fe7f7", kill_on_drop: false }` [INFO] [stdout] 40f04d9275c8af579a8272c5f191ac80cefcc6f7f8fa70a4a74c9e65c06fe7f7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 553e6ccac9b7092ec929aed1116332cb929bd6acae84aa3fcc187fb637b81067 [INFO] running `Command { std: "docker" "start" "-a" "553e6ccac9b7092ec929aed1116332cb929bd6acae84aa3fcc187fb637b81067", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling num-traits v0.2.15 [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 num-bigint v0.4.3 [INFO] [stderr] Compiling crossbeam-epoch v0.9.9 [INFO] [stderr] Compiling num-iter v0.1.43 [INFO] [stderr] Compiling num-rational v0.4.1 [INFO] [stderr] Checking regex-syntax v0.6.27 [INFO] [stderr] Compiling rayon-core v1.9.3 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Checking either v1.7.0 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Checking os_str_bytes v6.2.0 [INFO] [stderr] Checking indexmap v1.9.1 [INFO] [stderr] Checking clap_lex v0.2.4 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking crossbeam-channel v0.5.5 [INFO] [stderr] Compiling rayon v1.5.3 [INFO] [stderr] Checking textwrap v0.15.0 [INFO] [stderr] Checking num-complex v0.4.2 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Compiling convert_case v0.4.0 [INFO] [stderr] Compiling serde_derive v1.0.139 [INFO] [stderr] Checking getrandom v0.2.7 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking terminal_size v0.1.17 [INFO] [stderr] Checking nix v0.24.2 [INFO] [stderr] Checking console v0.15.0 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking plotters-backend v0.3.4 [INFO] [stderr] Checking number_prefix v0.4.0 [INFO] [stderr] Checking plotters-svg v0.3.2 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking regex v1.6.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking num v0.4.0 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking ctrlc v3.2.2 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking plotters v0.3.2 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking serde_json v1.0.82 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking indicatif v0.16.2 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking criterion-plot v0.4.5 [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 44.72s [INFO] running `Command { std: "docker" "inspect" "553e6ccac9b7092ec929aed1116332cb929bd6acae84aa3fcc187fb637b81067", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "553e6ccac9b7092ec929aed1116332cb929bd6acae84aa3fcc187fb637b81067", kill_on_drop: false }` [INFO] [stdout] 553e6ccac9b7092ec929aed1116332cb929bd6acae84aa3fcc187fb637b81067