[INFO] cloning repository https://github.com/krcz/advent-of-code-2020.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/krcz/advent-of-code-2020.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrcz%2Fadvent-of-code-2020.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrcz%2Fadvent-of-code-2020.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fad6552319dcf7a498e1344bfddd8021a9d4d9bd
[INFO] checking krcz/advent-of-code-2020.rs against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrcz%2Fadvent-of-code-2020.rs" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/krcz/advent-of-code-2020.rs on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/krcz/advent-of-code-2020.rs
[INFO] finished tweaking git repo https://github.com/krcz/advent-of-code-2020.rs
[INFO] tweaked toml for git repo https://github.com/krcz/advent-of-code-2020.rs written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/krcz/advent-of-code-2020.rs 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fixedbitset v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 315c094eab23c1d64204bfa8db61c58cf24bffbc988df6b36078ffbe6875cdee
[INFO] running `Command { std: "docker" "start" "-a" "315c094eab23c1d64204bfa8db61c58cf24bffbc988df6b36078ffbe6875cdee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "315c094eab23c1d64204bfa8db61c58cf24bffbc988df6b36078ffbe6875cdee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "315c094eab23c1d64204bfa8db61c58cf24bffbc988df6b36078ffbe6875cdee", kill_on_drop: false }`
[INFO] [stdout] 315c094eab23c1d64204bfa8db61c58cf24bffbc988df6b36078ffbe6875cdee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3fbf12a466842947653a3e2a564e05b8055326787531c8765d460bbb49aaa2dd
[INFO] running `Command { std: "docker" "start" "-a" "3fbf12a466842947653a3e2a564e05b8055326787531c8765d460bbb49aaa2dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking fixedbitset v0.3.1
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking advent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/day13b.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `:`, `@`, or `|`, found `)`
[INFO] [stdout]   --> src/day20a.rs:38:33
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn get_board(&self, rotation) -> Vec<Vec<char>> {
[INFO] [stdout]    |                                 ^ expected one of `:`, `@`, or `|`
[INFO] [stdout]    |
[INFO] [stdout]    = note: anonymous parameters are removed in the 2018 edition (see RFC 1685)
[INFO] [stdout] help: if this is a parameter name, give it a type
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn get_board(&self, rotation: TypeName) -> Vec<Vec<char>> {
[INFO] [stdout]    |                                 ++++++++++
[INFO] [stdout] help: if this is a type, explicitly ignore the parameter name
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn get_board(&self, _: rotation) -> Vec<Vec<char>> {
[INFO] [stdout]    |                         ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FoldWhile`
[INFO] [stdout]   --> src/day09b.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 | use itertools::{FoldWhile, Itertools};
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> src/day12b.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::iter::Iterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `option_result_contains`
[INFO] [stdout]  --> src/day09b.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(option_result_contains)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/day15a.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> src/day04b.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::iter::Iterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/day13b.rs:49:17
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let (g, (x, y)) = egcd(a as i64, n as i64);
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> src/day03a.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::iter::Iterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[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 E0635`.
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `advent` (bin "day09b" test) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/day20a.rs:35:42
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn rotate(board: &Vec<Vec<char>>) -> Vec<Vec<char>> {
[INFO] [stdout]    |        ------                            ^^^^^^^^^^^^^^ expected `Vec<Vec<char>>`, found `()`
[INFO] [stdout]    |        |
[INFO] [stdout]    |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `Vec<Vec<char>>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/day20a.rs:38:38
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn get_board(&self, rotation) -> Vec<Vec<char>> {
[INFO] [stdout]    |        ---------                     ^^^^^^^^^^^^^^ expected `Vec<Vec<char>>`, found `()`
[INFO] [stdout]    |        |
[INFO] [stdout]    |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `Vec<Vec<char>>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> src/day12a.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::iter::Iterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/day13b.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]  --> src/day16b.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::VecDeque;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dir`
[INFO] [stdout]   --> src/day12a.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let (x, y, dir) = stdin
[INFO] [stdout]    |                ^^^ help: if this is intentional, prefix it with an underscore: `_dir`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/day13b.rs:49:17
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let (g, (x, y)) = egcd(a as i64, n as i64);
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `advent` (bin "day20a" test) due to 4 previous errors
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/day16b.rs:136:46
[INFO] [stdout]     |
[INFO] [stdout] 136 |     let res: u64 = mmatch.iter().filter(|(k, v)| k.starts_with("departure")).fold(1, |acc, (_, &v)| acc * my_ticket[v]);
[INFO] [stdout]     |                                              ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3fbf12a466842947653a3e2a564e05b8055326787531c8765d460bbb49aaa2dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fbf12a466842947653a3e2a564e05b8055326787531c8765d460bbb49aaa2dd", kill_on_drop: false }`
[INFO] [stdout] 3fbf12a466842947653a3e2a564e05b8055326787531c8765d460bbb49aaa2dd