[INFO] cloning repository https://github.com/Robbe7730/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/Robbe7730/advent_of_code_2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRobbe7730%2Fadvent_of_code_2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRobbe7730%2Fadvent_of_code_2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f71818e9dec0803488027a15939bc6ab06ec57b5
[INFO] checking Robbe7730/advent_of_code_2020 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRobbe7730%2Fadvent_of_code_2020" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Robbe7730/advent_of_code_2020 on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Robbe7730/advent_of_code_2020
[INFO] finished tweaking git repo https://github.com/Robbe7730/advent_of_code_2020
[INFO] tweaked toml for git repo https://github.com/Robbe7730/advent_of_code_2020 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Robbe7730/advent_of_code_2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 59ecebdeeb0b6e3754bcddcc3fa5a6fc7d55222df03daf64cba31495e6150046
[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" "59ecebdeeb0b6e3754bcddcc3fa5a6fc7d55222df03daf64cba31495e6150046", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59ecebdeeb0b6e3754bcddcc3fa5a6fc7d55222df03daf64cba31495e6150046", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59ecebdeeb0b6e3754bcddcc3fa5a6fc7d55222df03daf64cba31495e6150046", kill_on_drop: false }`
[INFO] [stdout] 59ecebdeeb0b6e3754bcddcc3fa5a6fc7d55222df03daf64cba31495e6150046
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2bb6cc7ff6d578a5fb03da91ab51064f9f5869b7536fad81846c497efc6e76ee
[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" "2bb6cc7ff6d578a5fb03da91ab51064f9f5869b7536fad81846c497efc6e76ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking advent_of_code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `fold_first` found for struct `Map<Map<Filter<Enumerate<Skip<std::slice::Iter<'_, Option<usize>>>>, [closure@src/days/day13.rs:49:21: 49:41]>, [closure@src/days/day13.rs:50:18: 50:58]>, [closure@src/days/day13.rs:51:18: 51:43]>` in the current scope
[INFO] [stdout]   --> src/days/day13.rs:52:14
[INFO] [stdout]    |
[INFO] [stdout] 52 |             .fold_first(|(a, m), (b, n)| {
[INFO] [stdout]    |              ^^^^^^^^^^ method not found in `Map<Map<Filter<Enumerate<Skip<std::slice::Iter<'_, Option<usize>>>>, [closure@src/days/day13.rs:49:21: 49:41]>, [closure@src/days/day13.rs:50:18: 50:58]>, [closure@src/days/day13.rs:51:18: 51:43]>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `fold_first` found for struct `Map<Map<Filter<Enumerate<Skip<std::slice::Iter<'_, Option<usize>>>>, [closure@src/days/day13.rs:49:21: 49:41]>, [closure@src/days/day13.rs:50:18: 50:58]>, [closure@src/days/day13.rs:51:18: 51:43]>` in the current scope
[INFO] [stdout]   --> src/days/day13.rs:52:14
[INFO] [stdout]    |
[INFO] [stdout] 52 |             .fold_first(|(a, m), (b, n)| {
[INFO] [stdout]    |              ^^^^^^^^^^ method not found in `Map<Map<Filter<Enumerate<Skip<std::slice::Iter<'_, Option<usize>>>>, [closure@src/days/day13.rs:49:21: 49:41]>, [closure@src/days/day13.rs:50:18: 50:58]>, [closure@src/days/day13.rs:51:18: 51:43]>`
[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`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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: build failed
[INFO] running `Command { std: "docker" "inspect" "2bb6cc7ff6d578a5fb03da91ab51064f9f5869b7536fad81846c497efc6e76ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bb6cc7ff6d578a5fb03da91ab51064f9f5869b7536fad81846c497efc6e76ee", kill_on_drop: false }`
[INFO] [stdout] 2bb6cc7ff6d578a5fb03da91ab51064f9f5869b7536fad81846c497efc6e76ee