[INFO] cloning repository https://github.com/dhartunian/advent-of-code-2018
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dhartunian/advent-of-code-2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdhartunian%2Fadvent-of-code-2018", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdhartunian%2Fadvent-of-code-2018'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0ccb6ff4a6a92c7360daecc1e2ce0a5a940201ee
[INFO] testing dhartunian/advent-of-code-2018 against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdhartunian%2Fadvent-of-code-2018" "/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/dhartunian/advent-of-code-2018 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dhartunian/advent-of-code-2018
[INFO] finished tweaking git repo https://github.com/dhartunian/advent-of-code-2018
[INFO] tweaked toml for git repo https://github.com/dhartunian/advent-of-code-2018 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/dhartunian/advent-of-code-2018 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "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] c1cfd249c1fa067275950853314b27abd0d5760b1ae9c562cb9c952b5fac47e3
[INFO] running `Command { std: "docker" "start" "-a" "c1cfd249c1fa067275950853314b27abd0d5760b1ae9c562cb9c952b5fac47e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1cfd249c1fa067275950853314b27abd0d5760b1ae9c562cb9c952b5fac47e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1cfd249c1fa067275950853314b27abd0d5760b1ae9c562cb9c952b5fac47e3", kill_on_drop: false }`
[INFO] [stdout] c1cfd249c1fa067275950853314b27abd0d5760b1ae9c562cb9c952b5fac47e3
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7613b5ef066a6fa60d99e5a6d3a6186a956a566018d20678c7e393e161544afa
[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" "7613b5ef066a6fa60d99e5a6d3a6186a956a566018d20678c7e393e161544afa", kill_on_drop: false }`
[INFO] [stderr]    Compiling advent-of-code-2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `char_difference`
[INFO] [stdout]    --> src/main.rs:332:4
[INFO] [stdout]     |
[INFO] [stdout] 332 | fn char_difference(word1 : &String, word2 : &String) -> bool {
[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_letter_counts`
[INFO] [stdout]    --> src/main.rs:372:4
[INFO] [stdout]     |
[INFO] [stdout] 372 | fn get_letter_counts(word: &str) -> HashMap<char, i32> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "7613b5ef066a6fa60d99e5a6d3a6186a956a566018d20678c7e393e161544afa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7613b5ef066a6fa60d99e5a6d3a6186a956a566018d20678c7e393e161544afa", kill_on_drop: false }`
[INFO] [stdout] 7613b5ef066a6fa60d99e5a6d3a6186a956a566018d20678c7e393e161544afa
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a57b15395d870dbc2f0161f01b18edde428ebcac72648bd02356856548c4299d
[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" "a57b15395d870dbc2f0161f01b18edde428ebcac72648bd02356856548c4299d", kill_on_drop: false }`
[INFO] [stderr]    Compiling advent-of-code-2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `char_difference`
[INFO] [stdout]    --> src/main.rs:332:4
[INFO] [stdout]     |
[INFO] [stdout] 332 | fn char_difference(word1 : &String, word2 : &String) -> bool {
[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_letter_counts`
[INFO] [stdout]    --> src/main.rs:372:4
[INFO] [stdout]     |
[INFO] [stdout] 372 | fn get_letter_counts(word: &str) -> HashMap<char, i32> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "a57b15395d870dbc2f0161f01b18edde428ebcac72648bd02356856548c4299d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a57b15395d870dbc2f0161f01b18edde428ebcac72648bd02356856548c4299d", kill_on_drop: false }`
[INFO] [stdout] a57b15395d870dbc2f0161f01b18edde428ebcac72648bd02356856548c4299d
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 179cd06bfefed267912262c873537ae49e4283a2c1962ff2bd401d3c378c1647
[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" "179cd06bfefed267912262c873537ae49e4283a2c1962ff2bd401d3c378c1647", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `char_difference`
[INFO] [stderr]    --> src/main.rs:332:4
[INFO] [stderr]     |
[INFO] [stderr] 332 | fn char_difference(word1 : &String, word2 : &String) -> bool {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_letter_counts`
[INFO] [stderr]    --> src/main.rs:372:4
[INFO] [stderr]     |
[INFO] [stderr] 372 | fn get_letter_counts(word: &str) -> HashMap<char, i32> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/advent_of_code_2018-22422417cbfa6925
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_process_one_pass ... ok
[INFO] [stdout] test test_length_stuff ... ok
[INFO] [stdout] test test_process_until_done ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "179cd06bfefed267912262c873537ae49e4283a2c1962ff2bd401d3c378c1647", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "179cd06bfefed267912262c873537ae49e4283a2c1962ff2bd401d3c378c1647", kill_on_drop: false }`
[INFO] [stdout] 179cd06bfefed267912262c873537ae49e4283a2c1962ff2bd401d3c378c1647
