[INFO] cloning repository https://github.com/sseemayer/aoc2015
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sseemayer/aoc2015" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsseemayer%2Faoc2015", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsseemayer%2Faoc2015'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7d23773a15e59df9bf9cbb60825d5284acae28fd
[INFO] checking sseemayer/aoc2015 against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsseemayer%2Faoc2015" "/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/sseemayer/aoc2015 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sseemayer/aoc2015
[INFO] finished tweaking git repo https://github.com/sseemayer/aoc2015
[INFO] tweaked toml for git repo https://github.com/sseemayer/aoc2015 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/sseemayer/aoc2015 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-format v0.4.0
[INFO] [stderr]   Downloaded integer-sqrt v0.1.2
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d80f628da664e00ebdd1971c48b4034ac39ddfb08eac493173014f409e269ff
[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" "1d80f628da664e00ebdd1971c48b4034ac39ddfb08eac493173014f409e269ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d80f628da664e00ebdd1971c48b4034ac39ddfb08eac493173014f409e269ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d80f628da664e00ebdd1971c48b4034ac39ddfb08eac493173014f409e269ff", kill_on_drop: false }`
[INFO] [stdout] 1d80f628da664e00ebdd1971c48b4034ac39ddfb08eac493173014f409e269ff
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e1d15f2fb6c863ac8d650cda859c2ba54dead355d6bffb9b74f1f0b7e1a38c9
[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" "4e1d15f2fb6c863ac8d650cda859c2ba54dead355d6bffb9b74f1f0b7e1a38c9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking integer-sqrt v0.1.2
[INFO] [stderr]     Checking permutohedron v0.2.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking num-format v0.4.0
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking aoc2015 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Error`, `format_err`
[INFO] [stdout]  --> src/bin/day17.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use aoc2015::{format_err, Error, Result};
[INFO] [stdout]   |               ^^^^^^^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Error`, `format_err`
[INFO] [stdout]  --> src/bin/day03.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use aoc2015::{format_err, Error, Result};
[INFO] [stdout]   |               ^^^^^^^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Error`, `format_err`
[INFO] [stdout]  --> src/bin/day03.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use aoc2015::{format_err, Error, Result};
[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] [stdout] warning: unused import: `Direction`
[INFO] [stdout]  --> src/bin/day06.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use aoc2015::board::{Board, Direction, Position};
[INFO] [stdout]   |                             ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/bin/day08.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use aoc2015::{format_err, Error, Result};
[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: unused import: `format_err`
[INFO] [stdout]  --> src/bin/day16.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use aoc2015::{format_err, Error, Result};
[INFO] [stdout]   |               ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/bin/day09.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use aoc2015::{format_err, Error, Result};
[INFO] [stdout]   |                           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Error`, `format_err`
[INFO] [stdout]  --> src/bin/day12.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use aoc2015::{format_err, Error, Result};
[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] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/bin/day13.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use aoc2015::{format_err, Error, Result};
[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: unused imports: `Error`, `format_err`
[INFO] [stdout]  --> src/bin/day17.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use aoc2015::{format_err, Error, Result};
[INFO] [stdout]   |               ^^^^^^^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/bin/day16.rs:100:19
[INFO] [stdout]     |
[INFO] [stdout] 100 |         .filter(|(i, s)| s.matches(&description.knowledge))
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/bin/day16.rs:108:19
[INFO] [stdout]     |
[INFO] [stdout] 108 |         .filter(|(i, s)| s.matches_pt2(&description.knowledge))
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vs`
[INFO] [stdout]   --> src/bin/day16.rs:45:18
[INFO] [stdout]    |
[INFO] [stdout] 45 |         for (ks, vs) in self.knowledge.iter() {
[INFO] [stdout]    |                  ^^ help: if this is intentional, prefix it with an underscore: `_vs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vs`
[INFO] [stdout]   --> src/bin/day16.rs:77:18
[INFO] [stdout]    |
[INFO] [stdout] 77 |         for (ks, vs) in self.knowledge.iter() {
[INFO] [stdout]    |                  ^^ help: if this is intentional, prefix it with an underscore: `_vs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/day16.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |     let mut sues: Vec<Sue> = read_to_parsed_lines("data/day16/input", &|l| l.parse())?;
[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: unused import: `Error`
[INFO] [stdout]  --> src/bin/day09.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use aoc2015::{format_err, Error, Result};
[INFO] [stdout]   |                           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[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] [stdout] warning: unused import: `Direction`
[INFO] [stdout]  --> src/bin/day18.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use aoc2015::board::{Board, Direction, Position};
[INFO] [stdout]   |                             ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Error`, `format_err`
[INFO] [stdout]  --> src/bin/day18.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use aoc2015::{format_err, Error, Result};
[INFO] [stdout]   |               ^^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Error`, `format_err`
[INFO] [stdout]  --> src/bin/day12.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use aoc2015::{format_err, Error, Result};
[INFO] [stdout]   |               ^^^^^^^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/bin/day08.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use aoc2015::{format_err, Error, Result};
[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] [stdout] warning: unused import: `Direction`
[INFO] [stdout]  --> src/bin/day06.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use aoc2015::board::{Board, Direction, Position};
[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: unused import: `format_err`
[INFO] [stdout]  --> src/bin/day16.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use aoc2015::{format_err, Error, Result};
[INFO] [stdout]   |               ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/bin/day18.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |     for i in 0..100 {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/bin/day13.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use aoc2015::{format_err, Error, Result};
[INFO] [stdout]   |                           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/bin/day16.rs:100:19
[INFO] [stdout]     |
[INFO] [stdout] 100 |         .filter(|(i, s)| s.matches(&description.knowledge))
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Direction`
[INFO] [stdout]  --> src/bin/day18.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use aoc2015::board::{Board, Direction, Position};
[INFO] [stdout]   |                             ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Error`, `format_err`
[INFO] [stdout]  --> src/bin/day18.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use aoc2015::{format_err, Error, Result};
[INFO] [stdout]   |               ^^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/bin/day16.rs:108:19
[INFO] [stdout]     |
[INFO] [stdout] 108 |         .filter(|(i, s)| s.matches_pt2(&description.knowledge))
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vs`
[INFO] [stdout]   --> src/bin/day16.rs:45:18
[INFO] [stdout]    |
[INFO] [stdout] 45 |         for (ks, vs) in self.knowledge.iter() {
[INFO] [stdout]    |                  ^^ help: if this is intentional, prefix it with an underscore: `_vs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vs`
[INFO] [stdout]   --> src/bin/day16.rs:77:18
[INFO] [stdout]    |
[INFO] [stdout] 77 |         for (ks, vs) in self.knowledge.iter() {
[INFO] [stdout]    |                  ^^ help: if this is intentional, prefix it with an underscore: `_vs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/day16.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |     let mut sues: Vec<Sue> = read_to_parsed_lines("data/day16/input", &|l| l.parse())?;
[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: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/bin/day18.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |     for i in 0..100 {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.88s
[INFO] running `Command { std: "docker" "inspect" "4e1d15f2fb6c863ac8d650cda859c2ba54dead355d6bffb9b74f1f0b7e1a38c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e1d15f2fb6c863ac8d650cda859c2ba54dead355d6bffb9b74f1f0b7e1a38c9", kill_on_drop: false }`
[INFO] [stdout] 4e1d15f2fb6c863ac8d650cda859c2ba54dead355d6bffb9b74f1f0b7e1a38c9