[INFO] cloning repository https://github.com/jmattfield/aoc2020 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jmattfield/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmattfield%2Faoc2020", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmattfield%2Faoc2020'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 30906adf4a6fbaa906b94a0e35501ac1a424b7cb [INFO] testing jmattfield/aoc2020 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmattfield%2Faoc2020" "/workspace/builds/worker-46/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-46/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jmattfield/aoc2020 on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jmattfield/aoc2020 [INFO] finished tweaking git repo https://github.com/jmattfield/aoc2020 [INFO] tweaked toml for git repo https://github.com/jmattfield/aoc2020 written to /workspace/builds/worker-46/source/Cargo.toml [INFO] crate git repo https://github.com/jmattfield/aoc2020 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--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 libc v0.2.81 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e10ea01fa8d942f6cfe21f9966043577f9cc060b149b8068e15626a3f922e396 [INFO] running `Command { std: "docker" "start" "-a" "e10ea01fa8d942f6cfe21f9966043577f9cc060b149b8068e15626a3f922e396", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e10ea01fa8d942f6cfe21f9966043577f9cc060b149b8068e15626a3f922e396", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e10ea01fa8d942f6cfe21f9966043577f9cc060b149b8068e15626a3f922e396", kill_on_drop: false }` [INFO] [stdout] e10ea01fa8d942f6cfe21f9966043577f9cc060b149b8068e15626a3f922e396 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a15319b131181b2bd2cd667c32bc8a3d45bd80653787bfdee3a2d74f22e4ba8f [INFO] running `Command { std: "docker" "start" "-a" "a15319b131181b2bd2cd667c32bc8a3d45bd80653787bfdee3a2d74f22e4ba8f", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling regex-syntax v0.6.21 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling aho-corasick v0.7.15 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling regex v1.4.2 [INFO] [stderr] Compiling aoc2020 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `HashMap` [INFO] [stdout] --> src/days/day_21.rs:1:24 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::{HashMap, HashSet}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `intersection` [INFO] [stdout] --> src/days/day_21.rs:71:17 [INFO] [stdout] | [INFO] [stdout] 71 | let mut intersection: HashSet = HashSet::new(); [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_intersection` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/days/day_21.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | let mut remaining_allergens: HashSet = foods [INFO] [stdout] | ----^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/days/day_21.rs:71:13 [INFO] [stdout] | [INFO] [stdout] 71 | let mut intersection: HashSet = HashSet::new(); [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/days/day_21.rs:80:9 [INFO] [stdout] | [INFO] [stdout] 80 | let mut result = HashSet::new(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `parse_input` [INFO] [stdout] --> src/days/day_21.rs:51:4 [INFO] [stdout] | [INFO] [stdout] 51 | fn parse_input(data: &[&str]) -> Result, String> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `find_foods_without_allergens` [INFO] [stdout] --> src/days/day_21.rs:62:4 [INFO] [stdout] | [INFO] [stdout] 62 | fn find_foods_without_allergens(foods: Vec) -> HashSet { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Filter` that must be used [INFO] [stdout] --> src/days/day_21.rs:74:13 [INFO] [stdout] | [INFO] [stdout] 74 | / remaining_foods [INFO] [stdout] 75 | | .iter_mut() [INFO] [stdout] 76 | | .filter(|f| f.allergens.contains(&allergen)); [INFO] [stdout] | |_____________________________________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: iterators are lazy and do nothing unless consumed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.70s [INFO] running `Command { std: "docker" "inspect" "a15319b131181b2bd2cd667c32bc8a3d45bd80653787bfdee3a2d74f22e4ba8f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a15319b131181b2bd2cd667c32bc8a3d45bd80653787bfdee3a2d74f22e4ba8f", kill_on_drop: false }` [INFO] [stdout] a15319b131181b2bd2cd667c32bc8a3d45bd80653787bfdee3a2d74f22e4ba8f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8a0ecebb011396b88e6edd330ad7bffdc75929fb62cb09915bad5caff7884e6c [INFO] running `Command { std: "docker" "start" "-a" "8a0ecebb011396b88e6edd330ad7bffdc75929fb62cb09915bad5caff7884e6c", kill_on_drop: false }` [INFO] [stderr] Compiling aoc2020 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `HashMap` [INFO] [stdout] --> src/days/day_21.rs:1:24 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::{HashMap, HashSet}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/days/day_21.rs:124:59 [INFO] [stdout] | [INFO] [stdout] 124 | assert_eq!(expected, find_foods_without_allergens(&foods)); [INFO] [stdout] | ^^^^^^ expected struct `Vec`, found reference [INFO] [stdout] | [INFO] [stdout] = note: expected struct `Vec` [INFO] [stdout] found reference `&Vec` [INFO] [stdout] help: consider removing the borrow [INFO] [stdout] | [INFO] [stdout] 124 - assert_eq!(expected, find_foods_without_allergens(&foods)); [INFO] [stdout] 124 + assert_eq!(expected, find_foods_without_allergens(foods)); [INFO] [stdout] | [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] [stderr] error: could not compile `aoc2020` due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "8a0ecebb011396b88e6edd330ad7bffdc75929fb62cb09915bad5caff7884e6c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a0ecebb011396b88e6edd330ad7bffdc75929fb62cb09915bad5caff7884e6c", kill_on_drop: false }` [INFO] [stdout] 8a0ecebb011396b88e6edd330ad7bffdc75929fb62cb09915bad5caff7884e6c