[INFO] cloning repository https://github.com/AlexanderThaller/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/AlexanderThaller/advent_of_code_2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexanderThaller%2Fadvent_of_code_2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexanderThaller%2Fadvent_of_code_2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 36be1bc3ef9760d9a951c7a7d7db5a7fe69a7533
[INFO] checking AlexanderThaller/advent_of_code_2020 against try#ddcf048784667508cd676fef4667f88ae15628a3 for pr-148271
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexanderThaller%2Fadvent_of_code_2020" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AlexanderThaller/advent_of_code_2020
[INFO] finished tweaking git repo https://github.com/AlexanderThaller/advent_of_code_2020
[INFO] tweaked toml for git repo https://github.com/AlexanderThaller/advent_of_code_2020 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AlexanderThaller/advent_of_code_2020 on toolchain ddcf048784667508cd676fef4667f88ae15628a3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ddcf048784667508cd676fef4667f88ae15628a3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AlexanderThaller/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" "+ddcf048784667508cd676fef4667f88ae15628a3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ddcf048784667508cd676fef4667f88ae15628a3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88ed84591d862bda4e8c9a12e1564b6597f7a61ed3423bea4c0d896bb91114d1
[INFO] running `Command { std: "docker" "start" "-a" "88ed84591d862bda4e8c9a12e1564b6597f7a61ed3423bea4c0d896bb91114d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88ed84591d862bda4e8c9a12e1564b6597f7a61ed3423bea4c0d896bb91114d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88ed84591d862bda4e8c9a12e1564b6597f7a61ed3423bea4c0d896bb91114d1", kill_on_drop: false }`
[INFO] [stdout] 88ed84591d862bda4e8c9a12e1564b6597f7a61ed3423bea4c0d896bb91114d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ddcf048784667508cd676fef4667f88ae15628a3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45c12222c4aeb85394b3f30b7497925bff97a183f1982076a8f8d2acf2dd4c0d
[INFO] running `Command { std: "docker" "start" "-a" "45c12222c4aeb85394b3f30b7497925bff97a183f1982076a8f8d2acf2dd4c0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling const_fn v0.4.4
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling anyhow v1.0.34
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]     Checking scan_fmt v0.2.5
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking advent_of_code_2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/day04/passports.rs:95:14
[INFO] [stdout]    |
[INFO] [stdout] 95 |             };
[INFO] [stdout]    |              ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/day04/passports_strict.rs:99:14
[INFO] [stdout]    |
[INFO] [stdout] 99 |             };
[INFO] [stdout]    |              ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[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/main.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] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/day04/passports.rs:95:14
[INFO] [stdout]    |
[INFO] [stdout] 95 |             };
[INFO] [stdout]    |              ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/day04/passports_strict.rs:99:14
[INFO] [stdout]    |
[INFO] [stdout] 99 |             };
[INFO] [stdout]    |              ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `fold_first` found for struct `std::iter::Map<I, F>` in the current scope
[INFO] [stdout]   --> src/day06/answers.rs:24:18
[INFO] [stdout]    |
[INFO] [stdout] 21 | /             group
[INFO] [stdout] 22 | |                 .lines()
[INFO] [stdout] 23 | |                 .map(|line| line.chars().collect::<HashSet<_>>())
[INFO] [stdout] 24 | |                 .fold_first(|set1, set2| set1.bitand(&set2))
[INFO] [stdout]    | |                 -^^^^^^^^^^ method not found in `std::iter::Map<std::str::Lines<'_>, {closure@src/day06/answers.rs:23:22: 23:28}>`
[INFO] [stdout]    | |_________________|
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/day06/answers.rs:24:30
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 .fold_first(|set1, set2| set1.bitand(&set2))
[INFO] [stdout]    |                              ^^^^        ---- type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 .fold_first(|set1: /* Type */, set2| set1.bitand(&set2))
[INFO] [stdout]    |                                  ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/day06/answers.rs:25:29
[INFO] [stdout]    |
[INFO] [stdout] 25 |                 .map_or(0, |group| group.len())
[INFO] [stdout]    |                             ^^^^^  ----- type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]    |
[INFO] [stdout] 25 |                 .map_or(0, |group: /* Type */| group.len())
[INFO] [stdout]    |                                  ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[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/main.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] Some errors have detailed explanations: E0282, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `advent_of_code_2020` (bin "advent_of_code_2020") due to 3 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0599]: no method named `fold_first` found for struct `std::iter::Map<I, F>` in the current scope
[INFO] [stdout]   --> src/day06/answers.rs:24:18
[INFO] [stdout]    |
[INFO] [stdout] 21 | /             group
[INFO] [stdout] 22 | |                 .lines()
[INFO] [stdout] 23 | |                 .map(|line| line.chars().collect::<HashSet<_>>())
[INFO] [stdout] 24 | |                 .fold_first(|set1, set2| set1.bitand(&set2))
[INFO] [stdout]    | |                 -^^^^^^^^^^ method not found in `std::iter::Map<std::str::Lines<'_>, {closure@src/day06/answers.rs:23:22: 23:28}>`
[INFO] [stdout]    | |_________________|
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/day06/answers.rs:24:30
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 .fold_first(|set1, set2| set1.bitand(&set2))
[INFO] [stdout]    |                              ^^^^        ---- type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 .fold_first(|set1: /* Type */, set2| set1.bitand(&set2))
[INFO] [stdout]    |                                  ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/day06/answers.rs:25:29
[INFO] [stdout]    |
[INFO] [stdout] 25 |                 .map_or(0, |group| group.len())
[INFO] [stdout]    |                             ^^^^^  ----- type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]    |
[INFO] [stdout] 25 |                 .map_or(0, |group: /* Type */| group.len())
[INFO] [stdout]    |                                  ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `advent_of_code_2020` (bin "advent_of_code_2020" test) due to 3 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "45c12222c4aeb85394b3f30b7497925bff97a183f1982076a8f8d2acf2dd4c0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45c12222c4aeb85394b3f30b7497925bff97a183f1982076a8f8d2acf2dd4c0d", kill_on_drop: false }`
[INFO] [stdout] 45c12222c4aeb85394b3f30b7497925bff97a183f1982076a8f8d2acf2dd4c0d
