[INFO] cloning repository https://github.com/mcpar-land/aoc-2020-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mcpar-land/aoc-2020-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmcpar-land%2Faoc-2020-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmcpar-land%2Faoc-2020-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3525c65f413f07ebdf4f397a7bd6c1e5b287cdc8
[INFO] checking mcpar-land/aoc-2020-rust against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmcpar-land%2Faoc-2020-rust" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mcpar-land/aoc-2020-rust on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mcpar-land/aoc-2020-rust
[INFO] finished tweaking git repo https://github.com/mcpar-land/aoc-2020-rust
[INFO] tweaked toml for git repo https://github.com/mcpar-land/aoc-2020-rust written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/mcpar-land/aoc-2020-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", 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] 4cfc0e7a0297aaeb7f7b77a283bb09170b8779302a41a2655fca6f3ffbbe976d
[INFO] running `Command { std: "docker" "start" "-a" "4cfc0e7a0297aaeb7f7b77a283bb09170b8779302a41a2655fca6f3ffbbe976d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4cfc0e7a0297aaeb7f7b77a283bb09170b8779302a41a2655fca6f3ffbbe976d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cfc0e7a0297aaeb7f7b77a283bb09170b8779302a41a2655fca6f3ffbbe976d", kill_on_drop: false }`
[INFO] [stdout] 4cfc0e7a0297aaeb7f7b77a283bb09170b8779302a41a2655fca6f3ffbbe976d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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] 6040b0d45a9450fa86d08eae160dcf11c539a9982c77991bb155e07f0f71f270
[INFO] running `Command { std: "docker" "start" "-a" "6040b0d45a9450fa86d08eae160dcf11c539a9982c77991bb155e07f0f71f270", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]     Checking tap v1.0.0
[INFO] [stderr]    Compiling paste v1.0.4
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking funty v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling nom v6.0.1
[INFO] [stderr]     Checking lexical-core v0.7.4
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking bitvec v0.19.4
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking simba v0.3.1
[INFO] [stderr]     Checking rand_distr v0.3.0
[INFO] [stderr]     Checking nalgebra v0.23.2
[INFO] [stderr]     Checking aoc-2020-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `newline`
[INFO] [stdout]  --> src/days/day07.rs:4:40
[INFO] [stdout]   |
[INFO] [stdout] 4 |     character::complete::{alpha1, digit1, newline, space1},
[INFO] [stdout]   |                                           ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/days/day07.rs:9:33
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `branch::alt`, `bytes::complete::tag`, `combinator::map`, `newline`
[INFO] [stdout]  --> src/days/day08.rs:2:2
[INFO] [stdout]   |
[INFO] [stdout] 2 |     branch::alt,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 3 |     bytes::complete::tag,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 4 |     character::complete::{alpha1, digit1, newline, one_of, space1},
[INFO] [stdout]   |                                           ^^^^^^^
[INFO] [stdout] 5 |     combinator::map,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `alpha1`
[INFO] [stdout]  --> src/days/day13.rs:3:24
[INFO] [stdout]   |
[INFO] [stdout] 3 |     character::complete::{alpha1, alphanumeric1, digit1},
[INFO] [stdout]   |                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `newline`
[INFO] [stdout]  --> src/days/day07.rs:4:40
[INFO] [stdout]   |
[INFO] [stdout] 4 |     character::complete::{alpha1, digit1, newline, space1},
[INFO] [stdout]   |                                           ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/days/day07.rs:9:33
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `branch::alt`, `bytes::complete::tag`, `combinator::map`, `newline`
[INFO] [stdout]  --> src/days/day08.rs:2:2
[INFO] [stdout]   |
[INFO] [stdout] 2 |     branch::alt,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 3 |     bytes::complete::tag,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 4 |     character::complete::{alpha1, digit1, newline, one_of, space1},
[INFO] [stdout]   |                                           ^^^^^^^
[INFO] [stdout] 5 |     combinator::map,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `alpha1`
[INFO] [stdout]  --> src/days/day13.rs:3:24
[INFO] [stdout]   |
[INFO] [stdout] 3 |     character::complete::{alpha1, alphanumeric1, digit1},
[INFO] [stdout]   |                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 58.15s
[INFO] running `Command { std: "docker" "inspect" "6040b0d45a9450fa86d08eae160dcf11c539a9982c77991bb155e07f0f71f270", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6040b0d45a9450fa86d08eae160dcf11c539a9982c77991bb155e07f0f71f270", kill_on_drop: false }`
[INFO] [stdout] 6040b0d45a9450fa86d08eae160dcf11c539a9982c77991bb155e07f0f71f270