[INFO] cloning repository https://github.com/guilgaly/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/guilgaly/advent-of-code-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguilgaly%2Fadvent-of-code-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguilgaly%2Fadvent-of-code-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 12ed35072eb6f5d5e8eaba70ae34c7d8f192961f
[INFO] building guilgaly/advent-of-code-2020 against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguilgaly%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/guilgaly/advent-of-code-2020 on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/guilgaly/advent-of-code-2020
[INFO] finished tweaking git repo https://github.com/guilgaly/advent-of-code-2020
[INFO] tweaked toml for git repo https://github.com/guilgaly/advent-of-code-2020 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/guilgaly/advent-of-code-2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d9744989de745205d033600ab3fa784f3938966529904573564088e24d34b8c8
[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" "d9744989de745205d033600ab3fa784f3938966529904573564088e24d34b8c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9744989de745205d033600ab3fa784f3938966529904573564088e24d34b8c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9744989de745205d033600ab3fa784f3938966529904573564088e24d34b8c8", kill_on_drop: false }`
[INFO] [stdout] d9744989de745205d033600ab3fa784f3938966529904573564088e24d34b8c8
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--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] 127aa3e5c2abccbc88d0027fec4ad9d6e4a3d742b6b17408345b1ca0b554da2d
[INFO] running `Command { std: "docker" "start" "-a" "127aa3e5c2abccbc88d0027fec4ad9d6e4a3d742b6b17408345b1ca0b554da2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling reduce v0.1.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling peg-runtime v0.6.3
[INFO] [stderr]    Compiling intmap v0.7.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling peg-macros v0.6.3
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling peg v0.6.3
[INFO] [stderr]    Compiling common v0.1.0 (/opt/rustwide/workdir/common)
[INFO] [stderr]    Compiling day_18 v0.1.0 (/opt/rustwide/workdir/day_18)
[INFO] [stderr]    Compiling day_16 v0.1.0 (/opt/rustwide/workdir/day_16)
[INFO] [stderr]    Compiling day_12 v0.1.0 (/opt/rustwide/workdir/day_12)
[INFO] [stderr]    Compiling day_10 v0.1.0 (/opt/rustwide/workdir/day_10)
[INFO] [stderr]    Compiling day_19 v0.1.0 (/opt/rustwide/workdir/day_19)
[INFO] [stderr]    Compiling day_20 v0.1.0 (/opt/rustwide/workdir/day_20)
[INFO] [stderr]    Compiling day_1 v0.1.0 (/opt/rustwide/workdir/day_1)
[INFO] [stderr]    Compiling day_25 v0.1.0 (/opt/rustwide/workdir/day_25)
[INFO] [stderr]    Compiling day_5 v0.1.0 (/opt/rustwide/workdir/day_5)
[INFO] [stderr]    Compiling day_22 v0.1.0 (/opt/rustwide/workdir/day_22)
[INFO] [stderr]    Compiling day_6 v0.1.0 (/opt/rustwide/workdir/day_6)
[INFO] [stderr]    Compiling day_11 v0.1.0 (/opt/rustwide/workdir/day_11)
[INFO] [stderr]    Compiling day_8 v0.1.0 (/opt/rustwide/workdir/day_8)
[INFO] [stderr]    Compiling day_4 v0.1.0 (/opt/rustwide/workdir/day_4)
[INFO] [stderr]    Compiling day_17 v0.1.0 (/opt/rustwide/workdir/day_17)
[INFO] [stderr]    Compiling day_9 v0.1.0 (/opt/rustwide/workdir/day_9)
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]   --> day_6/src/main.rs:27:18
[INFO] [stdout]    |
[INFO] [stdout] 27 |                 .reduce(|acc, next| acc.intersection(&next).copied().collect())
[INFO] [stdout]    |                  ^^^^^^ multiple `reduce` found
[INFO] [stdout]    |
[INFO] [stdout]    = note: candidate #1 is defined in an impl of the trait `Iterator` for the type `Map<I, F>`
[INFO] [stdout]    = note: candidate #2 is defined in an impl of the trait `Reduce` for the type `I`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]    |
[INFO] [stdout] 24 |             Iterator::reduce(group
[INFO] [stdout] 25 |                 .lines()
[INFO] [stdout] 26 |                 .map(|line| line.chars().collect::<HashSet<char>>()), |acc, next| acc.intersection(&next).copied().collect())
[INFO] [stdout]    |
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]    |
[INFO] [stdout] 24 |             Reduce::reduce(group
[INFO] [stdout] 25 |                 .lines()
[INFO] [stdout] 26 |                 .map(|line| line.chars().collect::<HashSet<char>>()), |acc, next| acc.intersection(&next).copied().collect())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `common::reduce::Reduce`
[INFO] [stdout]  --> day_6/src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use common::reduce::Reduce;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[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 E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `day_6`
[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: `Write`
[INFO] [stdout]  --> day_20/src/main.rs:7:36
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::fmt::{Display, Formatter, Write};
[INFO] [stdout]   |                                    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `TEST_INPUT`
[INFO] [stdout]   --> day_20/src/main.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | static TEST_INPUT: &str = include_str!("test_input");
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "127aa3e5c2abccbc88d0027fec4ad9d6e4a3d742b6b17408345b1ca0b554da2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "127aa3e5c2abccbc88d0027fec4ad9d6e4a3d742b6b17408345b1ca0b554da2d", kill_on_drop: false }`
[INFO] [stdout] 127aa3e5c2abccbc88d0027fec4ad9d6e4a3d742b6b17408345b1ca0b554da2d
