[INFO] cloning repository https://github.com/basile-henry/aoc2020 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/basile-henry/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbasile-henry%2Faoc2020", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbasile-henry%2Faoc2020'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cbefad2b7694eb49c87519b8f3168f148b452c59 [INFO] testing basile-henry/aoc2020 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbasile-henry%2Faoc2020" "/workspace/builds/worker-14/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/basile-henry/aoc2020 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/basile-henry/aoc2020 [INFO] finished tweaking git repo https://github.com/basile-henry/aoc2020 [INFO] tweaked toml for git repo https://github.com/basile-henry/aoc2020 written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/basile-henry/aoc2020 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5a7aba09a2faf91f5c5fb074461850cdaa22cd43cdd956dd7dc745145ccf06dc [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "5a7aba09a2faf91f5c5fb074461850cdaa22cd43cdd956dd7dc745145ccf06dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5a7aba09a2faf91f5c5fb074461850cdaa22cd43cdd956dd7dc745145ccf06dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a7aba09a2faf91f5c5fb074461850cdaa22cd43cdd956dd7dc745145ccf06dc", kill_on_drop: false }` [INFO] [stdout] 5a7aba09a2faf91f5c5fb074461850cdaa22cd43cdd956dd7dc745145ccf06dc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2951b633ec04b433c1235447807ed3522d454717027a76194caa074d3b4a6af3 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "2951b633ec04b433c1235447807ed3522d454717027a76194caa074d3b4a6af3", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.53 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling structopt-derive v0.4.14 [INFO] [stderr] Compiling structopt v0.3.21 [INFO] [stderr] Compiling aoc2020 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/day06.rs:49:44 [INFO] [stdout] | [INFO] [stdout] 49 | .map(|group| group.iter().cloned().fold_first(f.clone()).unwrap().len()) [INFO] [stdout] | ^^^^^^^^^^ method not found in `Cloned>>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `fold_first` found for struct `std::iter::Map` in the current scope [INFO] [stdout] --> src/day16.rs:146:14 [INFO] [stdout] | [INFO] [stdout] 146 | .fold_first(|a, b| a.intersection(&b).copied().collect()) [INFO] [stdout] | ^^^^^^^^^^ method not found in `std::iter::Map, [closure@src/day16.rs:145:18: 145:57]>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0599`. [INFO] [stdout] [INFO] [stderr] error: could not compile `aoc2020` due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "2951b633ec04b433c1235447807ed3522d454717027a76194caa074d3b4a6af3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2951b633ec04b433c1235447807ed3522d454717027a76194caa074d3b4a6af3", kill_on_drop: false }` [INFO] [stdout] 2951b633ec04b433c1235447807ed3522d454717027a76194caa074d3b4a6af3