[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] testing brian-dawn/advent-of-code-2020 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrian-dawn%2Fadvent-of-code-2020" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/brian-dawn/advent-of-code-2020 on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-0/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-0/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: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c021b43a9be18bb12ea972a2e342916dfd881907a656852b13e14ce54f99e2f3 [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" "c021b43a9be18bb12ea972a2e342916dfd881907a656852b13e14ce54f99e2f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c021b43a9be18bb12ea972a2e342916dfd881907a656852b13e14ce54f99e2f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c021b43a9be18bb12ea972a2e342916dfd881907a656852b13e14ce54f99e2f3", kill_on_drop: false }` [INFO] [stdout] c021b43a9be18bb12ea972a2e342916dfd881907a656852b13e14ce54f99e2f3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f8f883695f09dac7d3290b6b5ed66b131fa5e8d2a09c8d8e094e746b33ca583d [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" "f8f883695f09dac7d3290b6b5ed66b131fa5e8d2a09c8d8e094e746b33ca583d", kill_on_drop: false }` [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling syn v1.0.53 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Compiling regex v1.4.2 [INFO] [stderr] Compiling parse-display-derive v0.4.0 [INFO] [stderr] Compiling parse-display v0.4.0 [INFO] [stderr] Compiling advent-of-code-2020 v0.1.0 (/opt/rustwide/workdir) [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] 36 | .fold_first(|acc, val| combine_fn(&acc, &val)) [INFO] [stdout] | ^^^^^^^^^^ method not found in `Map, [closure@src/bin/day6.rs:35:22: 35:65]>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [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` due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "f8f883695f09dac7d3290b6b5ed66b131fa5e8d2a09c8d8e094e746b33ca583d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f8f883695f09dac7d3290b6b5ed66b131fa5e8d2a09c8d8e094e746b33ca583d", kill_on_drop: false }` [INFO] [stdout] f8f883695f09dac7d3290b6b5ed66b131fa5e8d2a09c8d8e094e746b33ca583d