[INFO] cloning repository https://github.com/thibaudio/advent-of-code-2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thibaudio/advent-of-code-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthibaudio%2Fadvent-of-code-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthibaudio%2Fadvent-of-code-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9e009bb087bc263e3ea552b0a51893bfa2acd00e
[INFO] checking thibaudio/advent-of-code-2020 against try#81275a1445c7502a974118e0c69b795ab60be991 for pr-80243
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthibaudio%2Fadvent-of-code-2020" "/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/thibaudio/advent-of-code-2020 on toolchain 81275a1445c7502a974118e0c69b795ab60be991
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/thibaudio/advent-of-code-2020
[INFO] finished tweaking git repo https://github.com/thibaudio/advent-of-code-2020
[INFO] tweaked toml for git repo https://github.com/thibaudio/advent-of-code-2020 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/thibaudio/advent-of-code-2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 048085e3f0c1c3e72cfafdc67320ed0740ebb1e33afd927a72059b4488d98741
[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" "048085e3f0c1c3e72cfafdc67320ed0740ebb1e33afd927a72059b4488d98741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "048085e3f0c1c3e72cfafdc67320ed0740ebb1e33afd927a72059b4488d98741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "048085e3f0c1c3e72cfafdc67320ed0740ebb1e33afd927a72059b4488d98741", kill_on_drop: false }`
[INFO] [stdout] 048085e3f0c1c3e72cfafdc67320ed0740ebb1e33afd927a72059b4488d98741
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2655c12870c64cb67ecdfa6617403ed24da94849ff9de5f9bd3f435c849ba691
[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" "2655c12870c64cb67ecdfa6617403ed24da94849ff9de5f9bd3f435c849ba691", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking advent-of-code-2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `birth_year`
[INFO] [stdout]   --> src/day4.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let birth_year = match birth_year.parse::<u32>() {
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_birth_year`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `issue_year`
[INFO] [stdout]   --> src/day4.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let issue_year = match issue_year.parse::<u32>() {
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_issue_year`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expiration_year`
[INFO] [stdout]   --> src/day4.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |     let expiration_year  = match expiration_year.parse::<u32>() {
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expiration_year`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `country_id`
[INFO] [stdout]   --> src/day4.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let country_id = get_passport_property("cid", passport);
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_country_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `birth_year`
[INFO] [stdout]   --> src/day4.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let birth_year = match birth_year.parse::<u32>() {
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_birth_year`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `issue_year`
[INFO] [stdout]   --> src/day4.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let issue_year = match issue_year.parse::<u32>() {
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_issue_year`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expiration_year`
[INFO] [stdout]   --> src/day4.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |     let expiration_year  = match expiration_year.parse::<u32>() {
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expiration_year`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `country_id`
[INFO] [stdout]   --> src/day4.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let country_id = get_passport_property("cid", passport);
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_country_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.77s
[INFO] running `Command { std: "docker" "inspect" "2655c12870c64cb67ecdfa6617403ed24da94849ff9de5f9bd3f435c849ba691", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2655c12870c64cb67ecdfa6617403ed24da94849ff9de5f9bd3f435c849ba691", kill_on_drop: false }`
[INFO] [stdout] 2655c12870c64cb67ecdfa6617403ed24da94849ff9de5f9bd3f435c849ba691