[INFO] cloning repository https://github.com/brian-dawn/advent-of-code-2020 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brian-dawn/advent-of-code-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrian-dawn%2Fadvent-of-code-2020", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrian-dawn%2Fadvent-of-code-2020'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4c50fba034162becea25dae21e9c32def9ad47ac [INFO] checking brian-dawn/advent-of-code-2020/4c50fba034162becea25dae21e9c32def9ad47ac against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrian-dawn%2Fadvent-of-code-2020" "/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/brian-dawn/advent-of-code-2020 on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain [INFO] started tweaking git repo https://github.com/brian-dawn/advent-of-code-2020 [INFO] finished tweaking git repo https://github.com/brian-dawn/advent-of-code-2020 [INFO] tweaked toml for git repo https://github.com/brian-dawn/advent-of-code-2020 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/brian-dawn/advent-of-code-2020 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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded quote v1.0.7 [INFO] [stderr] Downloaded parse-display v0.4.0 [INFO] [stderr] Downloaded parse-display-derive v0.4.0 [INFO] [stderr] Downloaded memchr v2.3.4 [INFO] [stderr] Downloaded once_cell v1.5.2 [INFO] [stderr] Downloaded anyhow v1.0.34 [INFO] [stderr] Downloaded aho-corasick v0.7.15 [INFO] [stderr] Downloaded regex v1.4.2 [INFO] [stderr] Downloaded syn v1.0.53 [INFO] [stderr] Downloaded regex-syntax v0.6.21 [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 68a88aadaaba5a89a5670d9d0c362783572cf588e71c1820f6139f062daa988e [INFO] running `Command { std: "docker" "start" "-a" "68a88aadaaba5a89a5670d9d0c362783572cf588e71c1820f6139f062daa988e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "68a88aadaaba5a89a5670d9d0c362783572cf588e71c1820f6139f062daa988e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "68a88aadaaba5a89a5670d9d0c362783572cf588e71c1820f6139f062daa988e", kill_on_drop: false }` [INFO] [stdout] 68a88aadaaba5a89a5670d9d0c362783572cf588e71c1820f6139f062daa988e [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] daa5c71e244532262254d7e9c5bc47c278118aec0593d418d1f6f8343de8776a [INFO] running `Command { std: "docker" "start" "-a" "daa5c71e244532262254d7e9c5bc47c278118aec0593d418d1f6f8343de8776a", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.53 [INFO] [stderr] Compiling regex-syntax v0.6.21 [INFO] [stderr] Compiling once_cell v1.5.2 [INFO] [stderr] Compiling anyhow v1.0.34 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Compiling aho-corasick v0.7.15 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Compiling parse-display-derive v0.4.0 [INFO] [stderr] Checking parse-display v0.4.0 [INFO] [stderr] Checking advent-of-code-2020 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `iterator_fold_self` has been stable since 1.51.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/bin/day6.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(iterator_fold_self)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `fold_first` found for struct `Map` in the current scope [INFO] [stdout] --> src/bin/day6.rs:36:18 [INFO] [stdout] | [INFO] [stdout] 33 | / group [INFO] [stdout] 34 | | .iter() [INFO] [stdout] 35 | | .map(|line| line.chars().collect::>()) [INFO] [stdout] 36 | | .fold_first(|acc, val| combine_fn(&acc, &val)) [INFO] [stdout] | | -^^^^^^^^^^ method not found in `Map, {closure@day6.rs:35:22}>` [INFO] [stdout] | |_________________| [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0599`. [INFO] [stdout] [INFO] [stderr] error: could not compile `advent-of-code-2020` (bin "day6") due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: the feature `iterator_fold_self` has been stable since 1.51.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/bin/day6.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(iterator_fold_self)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `fold_first` found for struct `Map` in the current scope [INFO] [stdout] --> src/bin/day6.rs:36:18 [INFO] [stdout] | [INFO] [stdout] 33 | / group [INFO] [stdout] 34 | | .iter() [INFO] [stdout] 35 | | .map(|line| line.chars().collect::>()) [INFO] [stdout] 36 | | .fold_first(|acc, val| combine_fn(&acc, &val)) [INFO] [stdout] | | -^^^^^^^^^^ method not found in `Map, {closure@day6.rs:35:22}>` [INFO] [stdout] | |_________________| [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0599`. [INFO] [stdout] [INFO] [stderr] error: could not compile `advent-of-code-2020` (bin "day6" test) due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "daa5c71e244532262254d7e9c5bc47c278118aec0593d418d1f6f8343de8776a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "daa5c71e244532262254d7e9c5bc47c278118aec0593d418d1f6f8343de8776a", kill_on_drop: false }` [INFO] [stdout] daa5c71e244532262254d7e9c5bc47c278118aec0593d418d1f6f8343de8776a