[INFO] cloning repository https://github.com/sepiropht/sudoku-wasm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sepiropht/sudoku-wasm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsepiropht%2Fsudoku-wasm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsepiropht%2Fsudoku-wasm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 28ccbaac1e82198a523c12c6a4837d5ac95aebb8
[INFO] checking sepiropht/sudoku-wasm against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsepiropht%2Fsudoku-wasm" "/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/sepiropht/sudoku-wasm 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/sepiropht/sudoku-wasm
[INFO] finished tweaking git repo https://github.com/sepiropht/sudoku-wasm
[INFO] tweaked toml for git repo https://github.com/sepiropht/sudoku-wasm written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sepiropht/sudoku-wasm 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] warning: 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] 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] 4c5019cb27352c7f5042a1f6e3b78449208d4ee4262817813fe330d3151b36d0
[INFO] running `Command { std: "docker" "start" "-a" "4c5019cb27352c7f5042a1f6e3b78449208d4ee4262817813fe330d3151b36d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c5019cb27352c7f5042a1f6e3b78449208d4ee4262817813fe330d3151b36d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c5019cb27352c7f5042a1f6e3b78449208d4ee4262817813fe330d3151b36d0", kill_on_drop: false }`
[INFO] [stdout] 4c5019cb27352c7f5042a1f6e3b78449208d4ee4262817813fe330d3151b36d0
[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] 08e660516c1fe50fd7d615115999bb5d439fbe3e21c8eaa4e0f9d0ff2daad526
[INFO] running `Command { std: "docker" "start" "-a" "08e660516c1fe50fd7d615115999bb5d439fbe3e21c8eaa4e0f9d0ff2daad526", kill_on_drop: false }`
[INFO] [stderr] warning: 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 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.53
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bumpalo v2.6.0
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling wasm-bindgen v0.2.53
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling unicode-segmentation v1.5.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling sourcefile v0.1.4
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.2.50
[INFO] [stderr]    Compiling weedle v0.10.0
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.53
[INFO] [stderr]    Compiling synstructure v0.12.1
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.53
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling wasm-bindgen-webidl v0.2.53
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.53
[INFO] [stderr]    Compiling web-sys v0.3.30
[INFO] [stderr]     Checking js-sys v0.3.30
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]     Checking wasm-bindgen-futures v0.3.27
[INFO] [stderr]     Checking wasm-bindgen-test v0.2.50
[INFO] [stderr]     Checking rust-webpack-template v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.60s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3, wasm-bindgen v0.2.53
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "08e660516c1fe50fd7d615115999bb5d439fbe3e21c8eaa4e0f9d0ff2daad526", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08e660516c1fe50fd7d615115999bb5d439fbe3e21c8eaa4e0f9d0ff2daad526", kill_on_drop: false }`
[INFO] [stdout] 08e660516c1fe50fd7d615115999bb5d439fbe3e21c8eaa4e0f9d0ff2daad526
[INFO] checking sepiropht/sudoku-wasm against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsepiropht%2Fsudoku-wasm" "/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/sepiropht/sudoku-wasm 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/sepiropht/sudoku-wasm
[INFO] finished tweaking git repo https://github.com/sepiropht/sudoku-wasm
[INFO] tweaked toml for git repo https://github.com/sepiropht/sudoku-wasm written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/sepiropht/sudoku-wasm 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] [stderr] warning: 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] 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] 09f260372f5741cdcc951cc9897e0f181304d9f8a24039320f39d2521cc86664
[INFO] running `Command { std: "docker" "start" "-a" "09f260372f5741cdcc951cc9897e0f181304d9f8a24039320f39d2521cc86664", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09f260372f5741cdcc951cc9897e0f181304d9f8a24039320f39d2521cc86664", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09f260372f5741cdcc951cc9897e0f181304d9f8a24039320f39d2521cc86664", kill_on_drop: false }`
[INFO] [stdout] 09f260372f5741cdcc951cc9897e0f181304d9f8a24039320f39d2521cc86664
[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] 1a695218d4317cf2372e335ad08e97993567ecd4c3f2f9c478894722e1d65d25
[INFO] running `Command { std: "docker" "start" "-a" "1a695218d4317cf2372e335ad08e97993567ecd4c3f2f9c478894722e1d65d25", kill_on_drop: false }`
[INFO] [stderr] warning: 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 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.53
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bumpalo v2.6.0
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling wasm-bindgen v0.2.53
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling unicode-segmentation v1.5.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling sourcefile v0.1.4
[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 nom v4.2.3
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.2.50
[INFO] [stderr]    Compiling weedle v0.10.0
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.53
[INFO] [stderr]    Compiling synstructure v0.12.1
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.53
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling wasm-bindgen-webidl v0.2.53
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.53
[INFO] [stderr]    Compiling web-sys v0.3.30
[INFO] [stderr]     Checking js-sys v0.3.30
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]     Checking wasm-bindgen-futures v0.3.27
[INFO] [stderr]     Checking wasm-bindgen-test v0.2.50
[INFO] [stderr]     Checking rust-webpack-template v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.43s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3, wasm-bindgen v0.2.53
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "1a695218d4317cf2372e335ad08e97993567ecd4c3f2f9c478894722e1d65d25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a695218d4317cf2372e335ad08e97993567ecd4c3f2f9c478894722e1d65d25", kill_on_drop: false }`
[INFO] [stdout] 1a695218d4317cf2372e335ad08e97993567ecd4c3f2f9c478894722e1d65d25