[INFO] cloning repository https://github.com/kolson22/aoc-2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kolson22/aoc-2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkolson22%2Faoc-2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkolson22%2Faoc-2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e3fa0e5fd5bd4658205479648ec0cf25c84a19b1
[INFO] checking kolson22/aoc-2021 against master#a932eb36f8adf6c8cdfc450f063943da3112d621 for pr-140209-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkolson22%2Faoc-2021" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kolson22/aoc-2021 on toolchain a932eb36f8adf6c8cdfc450f063943da3112d621
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a932eb36f8adf6c8cdfc450f063943da3112d621" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kolson22/aoc-2021
[INFO] finished tweaking git repo https://github.com/kolson22/aoc-2021
[INFO] tweaked toml for git repo https://github.com/kolson22/aoc-2021 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kolson22/aoc-2021 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" "+a932eb36f8adf6c8cdfc450f063943da3112d621" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+a932eb36f8adf6c8cdfc450f063943da3112d621" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb9baf85593092da975d9f2c481a6aef52e2b06997faae2eb7a54740da4286e0
[INFO] running `Command { std: "docker" "start" "-a" "fb9baf85593092da975d9f2c481a6aef52e2b06997faae2eb7a54740da4286e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb9baf85593092da975d9f2c481a6aef52e2b06997faae2eb7a54740da4286e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb9baf85593092da975d9f2c481a6aef52e2b06997faae2eb7a54740da4286e0", kill_on_drop: false }`
[INFO] [stdout] fb9baf85593092da975d9f2c481a6aef52e2b06997faae2eb7a54740da4286e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+a932eb36f8adf6c8cdfc450f063943da3112d621" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c1f207fd7c301f0a9c7614322ec8315241d4c4ed781ea73ea5e7f42e521becc
[INFO] running `Command { std: "docker" "start" "-a" "3c1f207fd7c301f0a9c7614322ec8315241d4c4ed781ea73ea5e7f42e521becc", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.51
[INFO] [stderr]     Checking advent_of_code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/day4/main.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Marked(i32),
[INFO] [stdout]   |     ------ ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `BoardSlot` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 4 -     Marked(i32),
[INFO] [stdout] 4 +     Marked(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `drain_filter`
[INFO] [stdout]  --> src/day3/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(drain_filter)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `drain_filter`
[INFO] [stdout]  --> src/day3/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(drain_filter)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]   --> src/day8/main.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let output = vec![0u32; lines.len()];
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]   --> src/day8/main.rs:25:10
[INFO] [stdout]    |
[INFO] [stdout] 25 |     for (idx, line) in lines.iter().enumerate() {
[INFO] [stdout]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `inp`
[INFO] [stdout]   --> src/day8/main.rs:26:14
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let (inp, out) = line.split_once(" | ").unwrap();
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_inp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `out`
[INFO] [stdout]   --> src/day8/main.rs:26:19
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let (inp, out) = line.split_once(" | ").unwrap();
[INFO] [stdout]    |                   ^^^ help: if this is intentional, prefix it with an underscore: `_out`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `drain_filter` found for struct `Vec<&String>` in the current scope
[INFO] [stdout]   --> src/day3/main.rs:65:23
[INFO] [stdout]    |
[INFO] [stdout] 65 |         local_numbers.drain_filter(|x| x[i..].starts_with(current_bit_mask));
[INFO] [stdout]    |                       ^^^^^^^^^^^^ method not found in `Vec<&String>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]   --> src/day8/main.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let output = vec![0u32; lines.len()];
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]   --> src/day8/main.rs:25:10
[INFO] [stdout]    |
[INFO] [stdout] 25 |     for (idx, line) in lines.iter().enumerate() {
[INFO] [stdout]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `inp`
[INFO] [stdout]   --> src/day8/main.rs:26:14
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let (inp, out) = line.split_once(" | ").unwrap();
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_inp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `out`
[INFO] [stdout]   --> src/day8/main.rs:26:19
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let (inp, out) = line.split_once(" | ").unwrap();
[INFO] [stdout]    |                   ^^^ help: if this is intentional, prefix it with an underscore: `_out`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `advent_of_code` (bin "day3" test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0599]: no method named `drain_filter` found for struct `Vec<&String>` in the current scope
[INFO] [stdout]   --> src/day3/main.rs:65:23
[INFO] [stdout]    |
[INFO] [stdout] 65 |         local_numbers.drain_filter(|x| x[i..].starts_with(current_bit_mask));
[INFO] [stdout]    |                       ^^^^^^^^^^^^ method not found in `Vec<&String>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/day4/main.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Marked(i32),
[INFO] [stdout]   |     ------ ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `BoardSlot` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 4 -     Marked(i32),
[INFO] [stdout] 4 +     Marked(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `advent_of_code` (bin "day3") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "3c1f207fd7c301f0a9c7614322ec8315241d4c4ed781ea73ea5e7f42e521becc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c1f207fd7c301f0a9c7614322ec8315241d4c4ed781ea73ea5e7f42e521becc", kill_on_drop: false }`
[INFO] [stdout] 3c1f207fd7c301f0a9c7614322ec8315241d4c4ed781ea73ea5e7f42e521becc