[INFO] cloning repository https://github.com/Varedis/advent-of-code-2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Varedis/advent-of-code-2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVaredis%2Fadvent-of-code-2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVaredis%2Fadvent-of-code-2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f352b892a4b2947ff5fefe558873e8e66bc74111
[INFO] checking Varedis/advent-of-code-2021 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVaredis%2Fadvent-of-code-2021" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Varedis/advent-of-code-2021 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/Varedis/advent-of-code-2021
[INFO] finished tweaking git repo https://github.com/Varedis/advent-of-code-2021
[INFO] tweaked toml for git repo https://github.com/Varedis/advent-of-code-2021 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Varedis/advent-of-code-2021 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 derive_builder_macro v0.10.2
[INFO] [stderr]   Downloaded globset v0.4.6
[INFO] [stderr]   Downloaded darling v0.12.4
[INFO] [stderr]   Downloaded watchexec v1.17.1
[INFO] [stderr]   Downloaded derive_builder_core v0.10.2
[INFO] [stderr]   Downloaded derive_builder v0.10.2
[INFO] [stderr]   Downloaded cargo-watch v8.1.1
[INFO] [stderr]   Downloaded smartstring v0.2.9
[INFO] [stderr]   Downloaded crates-index v0.17.0
[INFO] [stderr]   Downloaded env_proxy v0.4.1
[INFO] [stderr]   Downloaded enumflags2_derive v0.6.4
[INFO] [stderr]   Downloaded subprocess v0.2.8
[INFO] [stderr]   Downloaded serde_json v1.0.72
[INFO] [stderr]   Downloaded toml_edit v0.3.1
[INFO] [stderr]   Downloaded ureq v1.5.5
[INFO] [stderr]   Downloaded windows_i686_msvc v0.24.0
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.24.0
[INFO] [stderr]   Downloaded windows_i686_gnu v0.24.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.24.0
[INFO] [stderr]   Downloaded winrt-notification v0.5.0
[INFO] [stderr]   Downloaded zvariant v2.10.0
[INFO] [stderr]   Downloaded zvariant_derive v2.10.0
[INFO] [stderr]   Downloaded notify-rust v4.5.5
[INFO] [stderr]   Downloaded clearscreen v1.0.7
[INFO] [stderr]   Downloaded command-group v1.0.8
[INFO] [stderr]   Downloaded darling_core v0.12.4
[INFO] [stderr]   Downloaded vec1 v1.8.0
[INFO] [stderr]   Downloaded ryu v1.0.6
[INFO] [stderr]   Downloaded socks v0.3.3
[INFO] [stderr]   Downloaded cargo-edit v0.8.0
[INFO] [stderr]   Downloaded mac-notification-sys v0.3.0
[INFO] [stderr]   Downloaded strum_macros v0.22.0
[INFO] [stderr]   Downloaded nb-connect v1.2.0
[INFO] [stderr]   Downloaded terminfo v0.7.3
[INFO] [stderr]   Downloaded which v4.2.2
[INFO] [stderr]   Downloaded darling_macro v0.12.4
[INFO] [stderr]   Downloaded nix v0.22.2
[INFO] [stderr]   Downloaded dunce v1.0.2
[INFO] [stderr]   Downloaded strum v0.22.0
[INFO] [stderr]   Downloaded zbus_macros v1.9.2
[INFO] [stderr]   Downloaded zbus v1.9.2
[INFO] [stderr]   Downloaded enumflags2 v0.6.4
[INFO] [stderr]   Downloaded windows v0.24.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 80d62007259f4c0c88e167717f93d898e8f6ba4c24ef06b149f484574e07beb2
[INFO] running `Command { std: "docker" "start" "-a" "80d62007259f4c0c88e167717f93d898e8f6ba4c24ef06b149f484574e07beb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80d62007259f4c0c88e167717f93d898e8f6ba4c24ef06b149f484574e07beb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80d62007259f4c0c88e167717f93d898e8f6ba4c24ef06b149f484574e07beb2", kill_on_drop: false }`
[INFO] [stdout] 80d62007259f4c0c88e167717f93d898e8f6ba4c24ef06b149f484574e07beb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 389a91ba63fc2617ea8c1c9cb1ea83ab3cc84a63f2e790bd1c420239001876c3
[INFO] running `Command { std: "docker" "start" "-a" "389a91ba63fc2617ea8c1c9cb1ea83ab3cc84a63f2e790bd1c420239001876c3", kill_on_drop: false }`
[INFO] [stderr] warning: advent-of-code-2021 v0.1.0 (/opt/rustwide/workdir) ignoring invalid dependency `cargo-watch` which is missing a lib target
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]    Compiling ryu v1.0.6
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]    Compiling camino v1.0.5
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]     Checking object v0.27.1
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking combine v4.6.2
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking socks v0.3.3
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling openssl-sys v0.9.71
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling libssh2-sys v0.2.23
[INFO] [stderr]    Compiling libgit2-sys v0.12.25+1.3.0
[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking qstring v0.7.2
[INFO] [stderr]     Checking chunked_transfer v1.4.0
[INFO] [stderr]     Checking vec1 v1.8.0
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking env_proxy v0.4.1
[INFO] [stderr]     Checking subprocess v0.2.8
[INFO] [stderr]     Checking dunce v1.0.2
[INFO] [stderr]     Checking pathdiff v0.2.1
[INFO] [stderr]     Checking advent-of-code-2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]     Checking webpki-roots v0.21.1
[INFO] [stderr]     Checking structopt v0.3.25
[INFO] [stderr]     Checking git2 v0.13.24
[INFO] [stderr]     Checking smartstring v0.2.9
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking cargo-platform v0.1.2
[INFO] [stderr]     Checking toml_edit v0.3.1
[INFO] [stderr]     Checking cargo_metadata v0.14.1
[INFO] [stderr]     Checking ureq v1.5.5
[INFO] [stderr]     Checking crates-index v0.17.0
[INFO] [stderr]     Checking cargo-edit v0.8.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 30s
[INFO] running `Command { std: "docker" "inspect" "389a91ba63fc2617ea8c1c9cb1ea83ab3cc84a63f2e790bd1c420239001876c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "389a91ba63fc2617ea8c1c9cb1ea83ab3cc84a63f2e790bd1c420239001876c3", kill_on_drop: false }`
[INFO] [stdout] 389a91ba63fc2617ea8c1c9cb1ea83ab3cc84a63f2e790bd1c420239001876c3