[INFO] cloning repository https://github.com/imjacobclark/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/imjacobclark/advent-of-code-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimjacobclark%2Fadvent-of-code-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimjacobclark%2Fadvent-of-code-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f1e4c5270d1a87570c348c7e043204d395e3f5bd
[INFO] testing imjacobclark/advent-of-code-2020 against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimjacobclark%2Fadvent-of-code-2020" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/imjacobclark/advent-of-code-2020 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/imjacobclark/advent-of-code-2020
[INFO] finished tweaking git repo https://github.com/imjacobclark/advent-of-code-2020
[INFO] tweaked toml for git repo https://github.com/imjacobclark/advent-of-code-2020 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/imjacobclark/advent-of-code-2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 1bcdb50d948ac60daf7aeff4fab0832feab1df2707d5891bf261f5cd29143984
[INFO] running `Command { std: "docker" "start" "-a" "1bcdb50d948ac60daf7aeff4fab0832feab1df2707d5891bf261f5cd29143984", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bcdb50d948ac60daf7aeff4fab0832feab1df2707d5891bf261f5cd29143984", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bcdb50d948ac60daf7aeff4fab0832feab1df2707d5891bf261f5cd29143984", kill_on_drop: false }`
[INFO] [stdout] 1bcdb50d948ac60daf7aeff4fab0832feab1df2707d5891bf261f5cd29143984
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff5b4b60c704695f324fbaca529eabe0682a482e57cb7ce21157ed3b3af704e7
[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" "ff5b4b60c704695f324fbaca529eabe0682a482e57cb7ce21157ed3b3af704e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling advent-of-code-2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `fix_expenses`
[INFO] [stdout]  --> src/one.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn fix_expenses() {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_occurrences`
[INFO] [stdout]  --> src/two.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn get_occurrences(sequence: Vec<String>, requirement: String) -> usize {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_char_at_index`
[INFO] [stdout]  --> src/two.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn get_char_at_index(sequence: Vec<String>, index: usize) -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `password_policy`
[INFO] [stdout]   --> src/two.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn password_policy() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `walk_items`
[INFO] [stdout]  --> src/three.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn walk_items(grid: Vec<Vec<String>>, row: usize, column: usize, trees: usize, right: usize, down: usize) -> usize {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `compute_tree_encounter`
[INFO] [stdout]   --> src/three.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn compute_tree_encounter() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.18s
[INFO] running `Command { std: "docker" "inspect" "ff5b4b60c704695f324fbaca529eabe0682a482e57cb7ce21157ed3b3af704e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff5b4b60c704695f324fbaca529eabe0682a482e57cb7ce21157ed3b3af704e7", kill_on_drop: false }`
[INFO] [stdout] ff5b4b60c704695f324fbaca529eabe0682a482e57cb7ce21157ed3b3af704e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--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] 7b6de89d2b2239173a8f334f7cd7c96fc2445dc1d6bf0de19cd9d107081b865e
[INFO] running `Command { std: "docker" "start" "-a" "7b6de89d2b2239173a8f334f7cd7c96fc2445dc1d6bf0de19cd9d107081b865e", kill_on_drop: false }`
[INFO] [stderr]    Compiling advent-of-code-2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `fix_expenses`
[INFO] [stdout]  --> src/one.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn fix_expenses() {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_occurrences`
[INFO] [stdout]  --> src/two.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn get_occurrences(sequence: Vec<String>, requirement: String) -> usize {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_char_at_index`
[INFO] [stdout]  --> src/two.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn get_char_at_index(sequence: Vec<String>, index: usize) -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `password_policy`
[INFO] [stdout]   --> src/two.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn password_policy() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `walk_items`
[INFO] [stdout]  --> src/three.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn walk_items(grid: Vec<Vec<String>>, row: usize, column: usize, trees: usize, right: usize, down: usize) -> usize {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `compute_tree_encounter`
[INFO] [stdout]   --> src/three.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn compute_tree_encounter() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "7b6de89d2b2239173a8f334f7cd7c96fc2445dc1d6bf0de19cd9d107081b865e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b6de89d2b2239173a8f334f7cd7c96fc2445dc1d6bf0de19cd9d107081b865e", kill_on_drop: false }`
[INFO] [stdout] 7b6de89d2b2239173a8f334f7cd7c96fc2445dc1d6bf0de19cd9d107081b865e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 009828951e57541028dbca9e66c92de046336aab945874758d393eff4df87b2e
[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" "009828951e57541028dbca9e66c92de046336aab945874758d393eff4df87b2e", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `fix_expenses`
[INFO] [stderr]  --> src/one.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn fix_expenses() {
[INFO] [stderr]   |        ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_occurrences`
[INFO] [stderr]  --> src/two.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn get_occurrences(sequence: Vec<String>, requirement: String) -> usize {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_char_at_index`
[INFO] [stderr]  --> src/two.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn get_char_at_index(sequence: Vec<String>, index: usize) -> String {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `password_policy`
[INFO] [stderr]   --> src/two.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub fn password_policy() {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `walk_items`
[INFO] [stderr]  --> src/three.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn walk_items(grid: Vec<Vec<String>>, row: usize, column: usize, trees: usize, right: usize, down: usize) -> usize {
[INFO] [stderr]   |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `compute_tree_encounter`
[INFO] [stderr]   --> src/three.rs:20:8
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub fn compute_tree_encounter() {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `advent-of-code-2020` (bin "advent-of-code-2020" test) generated 6 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/advent_of_code_2020-81d72d928a2a9850)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "009828951e57541028dbca9e66c92de046336aab945874758d393eff4df87b2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "009828951e57541028dbca9e66c92de046336aab945874758d393eff4df87b2e", kill_on_drop: false }`
[INFO] [stdout] 009828951e57541028dbca9e66c92de046336aab945874758d393eff4df87b2e