[INFO] cloning repository https://github.com/weargoggles/aoc-2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/weargoggles/aoc-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fweargoggles%2Faoc-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fweargoggles%2Faoc-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9fbd1fe2715e7b16ca515e25f30d382c5e518a2d
[INFO] checking weargoggles/aoc-2020 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fweargoggles%2Faoc-2020" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/weargoggles/aoc-2020 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/weargoggles/aoc-2020
[INFO] finished tweaking git repo https://github.com/weargoggles/aoc-2020
[INFO] tweaked toml for git repo https://github.com/weargoggles/aoc-2020 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/weargoggles/aoc-2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scan_fmt v0.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1df22b1ffae32a39f4426ce630b3926235667f79f458d8a61be30bd9ee8427b
[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" "e1df22b1ffae32a39f4426ce630b3926235667f79f458d8a61be30bd9ee8427b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1df22b1ffae32a39f4426ce630b3926235667f79f458d8a61be30bd9ee8427b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1df22b1ffae32a39f4426ce630b3926235667f79f458d8a61be30bd9ee8427b", kill_on_drop: false }`
[INFO] [stdout] e1df22b1ffae32a39f4426ce630b3926235667f79f458d8a61be30bd9ee8427b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 76d6d58b0b43cfe63d047781b8dae938829993b08ff63aad1b8fd587cd57ca3a
[INFO] running `Command { std: "docker" "start" "-a" "76d6d58b0b43cfe63d047781b8dae938829993b08ff63aad1b8fd587cd57ca3a", kill_on_drop: false }`
[INFO] [stderr]     Checking util v0.1.0 (/opt/rustwide/workdir/util)
[INFO] [stderr]    Compiling anyhow v1.0.35
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking day-3 v0.1.0 (/opt/rustwide/workdir/day-3)
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> day-3/src/main.rs:34:14
[INFO] [stdout]    |
[INFO] [stdout] 34 |         .zip((0..)) // track the y-distance
[INFO] [stdout]    |              ^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> day-3/src/main.rs:34:14
[INFO] [stdout]    |
[INFO] [stdout] 34 |         .zip((0..)) // track the y-distance
[INFO] [stdout]    |              ^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day-6 v0.1.0 (/opt/rustwide/workdir/day-6)
[INFO] [stderr]     Checking aoc-2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> day-6/src/main.rs:4:26
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{BufReader, Read, BufRead};
[INFO] [stdout]   |                          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> day-6/src/main.rs:4:26
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{BufReader, Read, BufRead};
[INFO] [stdout]   |                          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day-1 v0.1.0 (/opt/rustwide/workdir/day-1)
[INFO] [stderr]     Checking day-5 v0.1.0 (/opt/rustwide/workdir/day-5)
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking scan_fmt v0.2.5
[INFO] [stderr]     Checking day-4 v0.1.0 (/opt/rustwide/workdir/day-4)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> day-4/src/main.rs:39:41
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let year_between: fn(&str, &str) -> (fn(&str) -> bool) = |min, max| {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> day-4/src/main.rs:39:41
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let year_between: fn(&str, &str) -> (fn(&str) -> bool) = |min, max| {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day-2 v0.1.0 (/opt/rustwide/workdir/day-2)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> day-4/src/main.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         |year| year.len() == 4 && min <= year && max >= year
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected fn pointer, found closure
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected fn pointer `for<'r> fn(&'r str) -> bool`
[INFO] [stdout]                  found closure `[closure@day-4/src/main.rs:40:9: 40:61]`
[INFO] [stdout] note: closures can only be coerced to `fn` types if they do not capture any variables
[INFO] [stdout]   --> day-4/src/main.rs:40:35
[INFO] [stdout]    |
[INFO] [stdout] 40 |         |year| year.len() == 4 && min <= year && max >= year
[INFO] [stdout]    |                                   ^^^            ^^^ `max` captured here
[INFO] [stdout]    |                                   |
[INFO] [stdout]    |                                   `min` captured here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> day-4/src/main.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         |year| year.len() == 4 && min <= year && max >= year
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected fn pointer, found closure
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected fn pointer `for<'r> fn(&'r str) -> bool`
[INFO] [stdout]                  found closure `[closure@day-4/src/main.rs:40:9: 40:61]`
[INFO] [stdout] note: closures can only be coerced to `fn` types if they do not capture any variables
[INFO] [stdout]   --> day-4/src/main.rs:40:35
[INFO] [stdout]    |
[INFO] [stdout] 40 |         |year| year.len() == 4 && min <= year && max >= year
[INFO] [stdout]    |                                   ^^^            ^^^ `max` captured here
[INFO] [stdout]    |                                   |
[INFO] [stdout]    |                                   `min` captured here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::Matches`
[INFO] [stdout]  --> day-2/src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::str::Matches;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `scan_fmt::parse::scan`
[INFO] [stdout]  --> day-2/src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use scan_fmt::parse::scan;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> day-2/src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `day-4`
[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] warning: unused import: `std::str::Matches`
[INFO] [stdout]  --> day-2/src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::str::Matches;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `scan_fmt::parse::scan`
[INFO] [stdout]  --> day-2/src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use scan_fmt::parse::scan;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> day-2/src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "76d6d58b0b43cfe63d047781b8dae938829993b08ff63aad1b8fd587cd57ca3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76d6d58b0b43cfe63d047781b8dae938829993b08ff63aad1b8fd587cd57ca3a", kill_on_drop: false }`
[INFO] [stdout] 76d6d58b0b43cfe63d047781b8dae938829993b08ff63aad1b8fd587cd57ca3a