[INFO] cloning repository https://github.com/adek05/AdventOfCode2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adek05/AdventOfCode2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadek05%2FAdventOfCode2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadek05%2FAdventOfCode2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1064c9dab59d38219c57e8bd53ec863071969b51
[INFO] checking adek05/AdventOfCode2021/1064c9dab59d38219c57e8bd53ec863071969b51 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadek05%2FAdventOfCode2021" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/adek05/AdventOfCode2021 on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/adek05/AdventOfCode2021
[INFO] finished tweaking git repo https://github.com/adek05/AdventOfCode2021
[INFO] tweaked toml for git repo https://github.com/adek05/AdventOfCode2021 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/adek05/AdventOfCode2021 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" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-segmentation v0.1.2
[INFO] [stderr]   Downloaded semver v0.1.20
[INFO] [stderr]   Downloaded rustc_version v0.1.7
[INFO] [stderr]   Downloaded strcursor v0.2.5
[INFO] [stderr]   Downloaded scan-rules v0.2.0
[INFO] [stderr]   Downloaded itertools v0.4.19
[INFO] [stderr]   Downloaded itertools v0.10.1
[INFO] [stderr]   Downloaded lazy_static v0.1.16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c9515fa2db53091119f232e63b2f6f9a071c2a704f973573ce137c50bd55c36
[INFO] running `Command { std: "docker" "start" "-a" "3c9515fa2db53091119f232e63b2f6f9a071c2a704f973573ce137c50bd55c36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c9515fa2db53091119f232e63b2f6f9a071c2a704f973573ce137c50bd55c36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c9515fa2db53091119f232e63b2f6f9a071c2a704f973573ce137c50bd55c36", kill_on_drop: false }`
[INFO] [stdout] 3c9515fa2db53091119f232e63b2f6f9a071c2a704f973573ce137c50bd55c36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38b5fbc116a8890b24f5996c31f36f1b617a63c0651fdc9b9dcebb45b59eb4d5
[INFO] running `Command { std: "docker" "start" "-a" "38b5fbc116a8890b24f5996c31f36f1b617a63c0651fdc9b9dcebb45b59eb4d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking unicode-segmentation v0.1.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking lazy_static v0.1.16
[INFO] [stderr]     Checking itertools v0.4.19
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling strcursor v0.2.5
[INFO] [stderr]    Compiling scan-rules v0.2.0
[INFO] [stderr]     Checking AdventOfCode2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `fold_first` found for struct `Cloned` in the current scope
[INFO] [stdout]    --> src/snailfish.rs:213:46
[INFO] [stdout]     |
[INFO] [stdout] 213 |     let res = reduce(numbers.iter().cloned().fold_first(add).unwrap());
[INFO] [stdout]     |                                              ^^^^^^^^^^ method not found in `Cloned<Iter<'_, Number>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `AdventOfCode2021` (bin "day18" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0599]: no method named `fold_first` found for struct `Cloned` in the current scope
[INFO] [stdout]    --> src/snailfish.rs:213:46
[INFO] [stdout]     |
[INFO] [stdout] 213 |     let res = reduce(numbers.iter().cloned().fold_first(add).unwrap());
[INFO] [stdout]     |                                              ^^^^^^^^^^ method not found in `Cloned<Iter<'_, Number>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `AdventOfCode2021` (bin "day18") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "38b5fbc116a8890b24f5996c31f36f1b617a63c0651fdc9b9dcebb45b59eb4d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38b5fbc116a8890b24f5996c31f36f1b617a63c0651fdc9b9dcebb45b59eb4d5", kill_on_drop: false }`
[INFO] [stdout] 38b5fbc116a8890b24f5996c31f36f1b617a63c0651fdc9b9dcebb45b59eb4d5