[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 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdhartunian%2Fadvent-of-code-2018" "/workspace/builds/worker-96/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-96/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dhartunian/advent-of-code-2018 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-96/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" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b197d9b8d26a794f2b093baf2c46507b1a61226e7d72ccb83c1f08bf6bfb5d49
[INFO] running `Command { std: "docker" "start" "-a" "b197d9b8d26a794f2b093baf2c46507b1a61226e7d72ccb83c1f08bf6bfb5d49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b197d9b8d26a794f2b093baf2c46507b1a61226e7d72ccb83c1f08bf6bfb5d49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b197d9b8d26a794f2b093baf2c46507b1a61226e7d72ccb83c1f08bf6bfb5d49", kill_on_drop: false }`
[INFO] [stdout] b197d9b8d26a794f2b093baf2c46507b1a61226e7d72ccb83c1f08bf6bfb5d49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a68a85e16472fa5c83c149f4bb4101354b01db3df3ff22a6cbfd962059324cf7
[INFO] running `Command { std: "docker" "start" "-a" "a68a85e16472fa5c83c149f4bb4101354b01db3df3ff22a6cbfd962059324cf7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 1.88s
[INFO] running `Command { std: "docker" "inspect" "a68a85e16472fa5c83c149f4bb4101354b01db3df3ff22a6cbfd962059324cf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a68a85e16472fa5c83c149f4bb4101354b01db3df3ff22a6cbfd962059324cf7", kill_on_drop: false }`
[INFO] [stdout] a68a85e16472fa5c83c149f4bb4101354b01db3df3ff22a6cbfd962059324cf7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f80f036d529f2b61715991360c529374359e0a1e825ada4541c9e42fb1fbad3
[INFO] running `Command { std: "docker" "start" "-a" "9f80f036d529f2b61715991360c529374359e0a1e825ada4541c9e42fb1fbad3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 1.19s
[INFO] running `Command { std: "docker" "inspect" "9f80f036d529f2b61715991360c529374359e0a1e825ada4541c9e42fb1fbad3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f80f036d529f2b61715991360c529374359e0a1e825ada4541c9e42fb1fbad3", kill_on_drop: false }`
[INFO] [stdout] 9f80f036d529f2b61715991360c529374359e0a1e825ada4541c9e42fb1fbad3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bb0d8f0b39c90a43585b458e783a02f90e345e00d210f824ef24f3c31feb72ed
[INFO] running `Command { std: "docker" "start" "-a" "bb0d8f0b39c90a43585b458e783a02f90e345e00d210f824ef24f3c31feb72ed", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: function is never used: `char_difference`
[INFO] [stdout] 
[INFO] [stderr]    --> src/main.rs:332:4
[INFO] [stdout] running 3 tests
[INFO] [stderr]     |
[INFO] [stdout] test test_process_one_pass ... ok
[INFO] [stderr] 332 | fn char_difference(word1 : &String, word2 : &String) -> bool {
[INFO] [stdout] test test_length_stuff ... ok
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] test test_process_until_done ... ok
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 
[INFO] [stdout] 
[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: `advent-of-code-2018` (bin "advent-of-code-2018" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.17s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/advent_of_code_2018-909d3ae9ec0fea9a)
[INFO] running `Command { std: "docker" "inspect" "bb0d8f0b39c90a43585b458e783a02f90e345e00d210f824ef24f3c31feb72ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb0d8f0b39c90a43585b458e783a02f90e345e00d210f824ef24f3c31feb72ed", kill_on_drop: false }`
[INFO] [stdout] bb0d8f0b39c90a43585b458e783a02f90e345e00d210f824ef24f3c31feb72ed