[INFO] cloning repository https://github.com/foo-dogsquared/advent-of-code-2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/foo-dogsquared/advent-of-code-2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffoo-dogsquared%2Fadvent-of-code-2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffoo-dogsquared%2Fadvent-of-code-2019'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3db882b283f3d0cd022c3492fb18cf7f8b341a72
[INFO] testing foo-dogsquared/advent-of-code-2019 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffoo-dogsquared%2Fadvent-of-code-2019" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/foo-dogsquared/advent-of-code-2019 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/foo-dogsquared/advent-of-code-2019
[INFO] finished tweaking git repo https://github.com/foo-dogsquared/advent-of-code-2019
[INFO] tweaked toml for git repo https://github.com/foo-dogsquared/advent-of-code-2019 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/foo-dogsquared/advent-of-code-2019 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5bbbb44d35868e5559072c165dad73932ecee8ac7b81428ee68b681d9068ddc2
[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" "5bbbb44d35868e5559072c165dad73932ecee8ac7b81428ee68b681d9068ddc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5bbbb44d35868e5559072c165dad73932ecee8ac7b81428ee68b681d9068ddc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bbbb44d35868e5559072c165dad73932ecee8ac7b81428ee68b681d9068ddc2", kill_on_drop: false }`
[INFO] [stdout] 5bbbb44d35868e5559072c165dad73932ecee8ac7b81428ee68b681d9068ddc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 171fca119c43c2753ba7501fcf237575d9a18f6ca7fa53c3d93eab674ca662c1
[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" "171fca119c43c2753ba7501fcf237575d9a18f6ca7fa53c3d93eab674ca662c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling advent-of-code-2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/day2/part1.rs:60:18
[INFO] [stdout]    |
[INFO] [stdout] 60 |             Some(v) => Ok(()), 
[INFO] [stdout]    |                  ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/day1/part1.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut input = fs::read_to_string("inputs/day1.txt")?;
[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/day1/part2.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut input = fs::read_to_string("inputs/day1.txt")?;
[INFO] [stdout]   |         ----^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.04s
[INFO] running `Command { std: "docker" "inspect" "171fca119c43c2753ba7501fcf237575d9a18f6ca7fa53c3d93eab674ca662c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "171fca119c43c2753ba7501fcf237575d9a18f6ca7fa53c3d93eab674ca662c1", kill_on_drop: false }`
[INFO] [stdout] 171fca119c43c2753ba7501fcf237575d9a18f6ca7fa53c3d93eab674ca662c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb9db6bd295ad8f9beb022a88e730f9bbafd9a9296b450424a66bcb6825a7e72
[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" "cb9db6bd295ad8f9beb022a88e730f9bbafd9a9296b450424a66bcb6825a7e72", kill_on_drop: false }`
[INFO] [stderr]    Compiling advent-of-code-2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/day2/part1.rs:60:18
[INFO] [stdout]    |
[INFO] [stdout] 60 |             Some(v) => Ok(()), 
[INFO] [stdout]    |                  ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/day1/part1.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut input = fs::read_to_string("inputs/day1.txt")?;
[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/day1/part2.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut input = fs::read_to_string("inputs/day1.txt")?;
[INFO] [stdout]   |         ----^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `Command { std: "docker" "inspect" "cb9db6bd295ad8f9beb022a88e730f9bbafd9a9296b450424a66bcb6825a7e72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb9db6bd295ad8f9beb022a88e730f9bbafd9a9296b450424a66bcb6825a7e72", kill_on_drop: false }`
[INFO] [stdout] cb9db6bd295ad8f9beb022a88e730f9bbafd9a9296b450424a66bcb6825a7e72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", 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] 95537c8ab8831c210080fea675e2e48d24cccc5063ca782393d13bbf5b6d2d87
[INFO] running `Command { std: "docker" "start" "-a" "95537c8ab8831c210080fea675e2e48d24cccc5063ca782393d13bbf5b6d2d87", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stdout] running 5 tests
[INFO] [stderr]   --> src/day2/part1.rs:60:18
[INFO] [stderr]    |
[INFO] [stderr] 60 |             Some(v) => Ok(()), 
[INFO] [stderr]    |                  ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/day1/part1.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let mut input = fs::read_to_string("inputs/day1.txt")?;
[INFO] [stderr]   |         ----^^^^^
[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/day1/part2.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let mut input = fs::read_to_string("inputs/day1.txt")?;
[INFO] [stderr]   |         ----^^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/advent_of_code_2019-93e5f9c8159baa0c
[INFO] [stdout] test day1::part1::tests::basic_example ... ok
[INFO] [stdout] test day1::part2::tests::basic_example ... ok
[INFO] [stdout] test day2::part1::tests::basic_example ... ok
[INFO] [stdout] test day2::part2::tests::basic_example ... ok
[INFO] [stdout] test day2::part2::tests::basic_internal_inspection ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "95537c8ab8831c210080fea675e2e48d24cccc5063ca782393d13bbf5b6d2d87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95537c8ab8831c210080fea675e2e48d24cccc5063ca782393d13bbf5b6d2d87", kill_on_drop: false }`
[INFO] [stdout] 95537c8ab8831c210080fea675e2e48d24cccc5063ca782393d13bbf5b6d2d87