[INFO] cloning repository https://github.com/rfuzzo/aoc2021-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rfuzzo/aoc2021-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frfuzzo%2Faoc2021-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frfuzzo%2Faoc2021-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c48a59a7814861b5083f1db58c159784407621c0
[INFO] testing rfuzzo/aoc2021-rs against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frfuzzo%2Faoc2021-rs" "/workspace/builds/worker-22/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-22/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rfuzzo/aoc2021-rs on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rfuzzo/aoc2021-rs
[INFO] finished tweaking git repo https://github.com/rfuzzo/aoc2021-rs
[INFO] tweaked toml for git repo https://github.com/rfuzzo/aoc2021-rs written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] crate git repo https://github.com/rfuzzo/aoc2021-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d6eeb2eb9c81128a4f439f5f6d5d490ca8535c2dfd2c0ca6bc504dc2aa434be1
[INFO] running `Command { std: "docker" "start" "-a" "d6eeb2eb9c81128a4f439f5f6d5d490ca8535c2dfd2c0ca6bc504dc2aa434be1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6eeb2eb9c81128a4f439f5f6d5d490ca8535c2dfd2c0ca6bc504dc2aa434be1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6eeb2eb9c81128a4f439f5f6d5d490ca8535c2dfd2c0ca6bc504dc2aa434be1", kill_on_drop: false }`
[INFO] [stdout] d6eeb2eb9c81128a4f439f5f6d5d490ca8535c2dfd2c0ca6bc504dc2aa434be1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 015cf3d21aaaf92ec2bd560e41163928349f616d7271bf2a30d4e9678eff4da6
[INFO] running `Command { std: "docker" "start" "-a" "015cf3d21aaaf92ec2bd560e41163928349f616d7271bf2a30d4e9678eff4da6", kill_on_drop: false }`
[INFO] [stderr]    Compiling aoc2021-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `mcv`
[INFO] [stdout]   --> src/adv3.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let mcv = r.map(|x| if x < slices_count / 2 { 0 } else { 1 });
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_mcv`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lcv`
[INFO] [stdout]   --> src/adv3.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let lcv = r.map(|x| if x >= slices_count / 2 { 0 } else { 1 });
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_lcv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_lines`
[INFO] [stdout]  --> src/common.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn read_lines<P>(filename: P) -> io::Result<io::Lines<io::BufReader<fs::File>>>
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_as_vec`
[INFO] [stdout]   --> src/common.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn read_as_vec<P>(filename: P) -> Vec<String>
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `Command { std: "docker" "inspect" "015cf3d21aaaf92ec2bd560e41163928349f616d7271bf2a30d4e9678eff4da6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "015cf3d21aaaf92ec2bd560e41163928349f616d7271bf2a30d4e9678eff4da6", kill_on_drop: false }`
[INFO] [stdout] 015cf3d21aaaf92ec2bd560e41163928349f616d7271bf2a30d4e9678eff4da6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef0142fe4adcff73ef0bd06fdcab07c7b00828608908c1330369382ae52efd4c
[INFO] running `Command { std: "docker" "start" "-a" "ef0142fe4adcff73ef0bd06fdcab07c7b00828608908c1330369382ae52efd4c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling aoc2021-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `mcv`
[INFO] [stdout]   --> src/adv3.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let mcv = r.map(|x| if x < slices_count / 2 { 0 } else { 1 });
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_mcv`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lcv`
[INFO] [stdout]   --> src/adv3.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let lcv = r.map(|x| if x >= slices_count / 2 { 0 } else { 1 });
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_lcv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_lines`
[INFO] [stdout]  --> src/common.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn read_lines<P>(filename: P) -> io::Result<io::Lines<io::BufReader<fs::File>>>
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_as_vec`
[INFO] [stdout]   --> src/common.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn read_as_vec<P>(filename: P) -> Vec<String>
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.84s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/aoc2021_rs-4e8426b182bf619f)
[INFO] running `Command { std: "docker" "inspect" "ef0142fe4adcff73ef0bd06fdcab07c7b00828608908c1330369382ae52efd4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef0142fe4adcff73ef0bd06fdcab07c7b00828608908c1330369382ae52efd4c", kill_on_drop: false }`
[INFO] [stdout] ef0142fe4adcff73ef0bd06fdcab07c7b00828608908c1330369382ae52efd4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 32d547c10935381e25bf999b00db3563ed9f61fa65d61101744329c259919322
[INFO] running `Command { std: "docker" "start" "-a" "32d547c10935381e25bf999b00db3563ed9f61fa65d61101744329c259919322", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `mcv`
[INFO] [stderr]   --> src/adv3.rs:61:9
[INFO] [stderr]    |
[INFO] [stderr] 61 |     let mcv = r.map(|x| if x < slices_count / 2 { 0 } else { 1 });
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_mcv`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lcv`
[INFO] [stderr]   --> src/adv3.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 |     let lcv = r.map(|x| if x >= slices_count / 2 { 0 } else { 1 });
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_lcv`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_lines`
[INFO] [stderr]  --> src/common.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn read_lines<P>(filename: P) -> io::Result<io::Lines<io::BufReader<fs::File>>>
[INFO] [stderr]   |        ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_as_vec`
[INFO] [stderr]   --> src/common.rs:16:8
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub fn read_as_vec<P>(filename: P) -> Vec<String>
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `aoc2021-rs` (bin "aoc2021-rs" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/aoc2021_rs-4e8426b182bf619f)
[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" "32d547c10935381e25bf999b00db3563ed9f61fa65d61101744329c259919322", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32d547c10935381e25bf999b00db3563ed9f61fa65d61101744329c259919322", kill_on_drop: false }`
[INFO] [stdout] 32d547c10935381e25bf999b00db3563ed9f61fa65d61101744329c259919322