[INFO] cloning repository https://github.com/bodagovsky/aoc2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bodagovsky/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbodagovsky%2Faoc2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbodagovsky%2Faoc2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dbff8107798b237c9467157abef39a4c508ee006
[INFO] testing bodagovsky/aoc2020 against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbodagovsky%2Faoc2020" "/workspace/builds/worker-72/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-72/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bodagovsky/aoc2020 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/bodagovsky/aoc2020
[INFO] finished tweaking git repo https://github.com/bodagovsky/aoc2020
[INFO] tweaked toml for git repo https://github.com/bodagovsky/aoc2020 written to /workspace/builds/worker-72/source/Cargo.toml
[INFO] crate git repo https://github.com/bodagovsky/aoc2020 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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] e1e7221a5df276b35641cc7429ff3884413baebe8131a7e66e0e63ddd75df912
[INFO] running `Command { std: "docker" "start" "-a" "e1e7221a5df276b35641cc7429ff3884413baebe8131a7e66e0e63ddd75df912", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1e7221a5df276b35641cc7429ff3884413baebe8131a7e66e0e63ddd75df912", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1e7221a5df276b35641cc7429ff3884413baebe8131a7e66e0e63ddd75df912", kill_on_drop: false }`
[INFO] [stdout] e1e7221a5df276b35641cc7429ff3884413baebe8131a7e66e0e63ddd75df912
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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] d8dd483db9928a3eb4a694c900a65dce93b3bd1be2ddd601397262de4e6ed80d
[INFO] running `Command { std: "docker" "start" "-a" "d8dd483db9928a3eb4a694c900a65dce93b3bd1be2ddd601397262de4e6ed80d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling aoc2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day3.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn count_trees(mut right: usize, mut down: usize, forest: Vec<String>) -> i64 {
[INFO] [stdout]    |                ----^^^^^
[INFO] [stdout]    |                |
[INFO] [stdout]    |                help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day3.rs:17:34
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn count_trees(mut right: usize, mut down: usize, forest: Vec<String>) -> i64 {
[INFO] [stdout]    |                                  ----^^^^
[INFO] [stdout]    |                                  |
[INFO] [stdout]    |                                  help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.63s
[INFO] running `Command { std: "docker" "inspect" "d8dd483db9928a3eb4a694c900a65dce93b3bd1be2ddd601397262de4e6ed80d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8dd483db9928a3eb4a694c900a65dce93b3bd1be2ddd601397262de4e6ed80d", kill_on_drop: false }`
[INFO] [stdout] d8dd483db9928a3eb4a694c900a65dce93b3bd1be2ddd601397262de4e6ed80d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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] d062885e95f3e5bec24bb3fdf72b9b3afb6c33a5c75921895f5b29cd7cc0e2c8
[INFO] running `Command { std: "docker" "start" "-a" "d062885e95f3e5bec24bb3fdf72b9b3afb6c33a5c75921895f5b29cd7cc0e2c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling aoc2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day3.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn count_trees(mut right: usize, mut down: usize, forest: Vec<String>) -> i64 {
[INFO] [stdout]    |                ----^^^^^
[INFO] [stdout]    |                |
[INFO] [stdout]    |                help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day3.rs:17:34
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn count_trees(mut right: usize, mut down: usize, forest: Vec<String>) -> i64 {
[INFO] [stdout]    |                                  ----^^^^
[INFO] [stdout]    |                                  |
[INFO] [stdout]    |                                  help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.88s
[INFO] running `Command { std: "docker" "inspect" "d062885e95f3e5bec24bb3fdf72b9b3afb6c33a5c75921895f5b29cd7cc0e2c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d062885e95f3e5bec24bb3fdf72b9b3afb6c33a5c75921895f5b29cd7cc0e2c8", kill_on_drop: false }`
[INFO] [stdout] d062885e95f3e5bec24bb3fdf72b9b3afb6c33a5c75921895f5b29cd7cc0e2c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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] 7ff1473ec54d2887bf4cf528a1fdfa05367c673223cdbf530cdcbd933ce2feaf
[INFO] running `Command { std: "docker" "start" "-a" "7ff1473ec54d2887bf4cf528a1fdfa05367c673223cdbf530cdcbd933ce2feaf", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stdout] 
[INFO] [stderr]   --> src/day3.rs:17:16
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 17 | fn count_trees(mut right: usize, mut down: usize, forest: Vec<String>) -> i64 {
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |                ----^^^^^
[INFO] [stdout] 
[INFO] [stderr]    |                |
[INFO] [stderr]    |                help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day3.rs:17:34
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn count_trees(mut right: usize, mut down: usize, forest: Vec<String>) -> i64 {
[INFO] [stderr]    |                                  ----^^^^
[INFO] [stderr]    |                                  |
[INFO] [stderr]    |                                  help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `aoc2020` (bin "aoc2020" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/aoc2020-6291a4da328a87b8)
[INFO] running `Command { std: "docker" "inspect" "7ff1473ec54d2887bf4cf528a1fdfa05367c673223cdbf530cdcbd933ce2feaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ff1473ec54d2887bf4cf528a1fdfa05367c673223cdbf530cdcbd933ce2feaf", kill_on_drop: false }`
[INFO] [stdout] 7ff1473ec54d2887bf4cf528a1fdfa05367c673223cdbf530cdcbd933ce2feaf