[INFO] cloning repository https://github.com/lissitz/aoc-2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lissitz/aoc-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flissitz%2Faoc-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flissitz%2Faoc-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 44460dffad73e09790b131364d7140396a6d96d8
[INFO] checking lissitz/aoc-2020 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flissitz%2Faoc-2020" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lissitz/aoc-2020 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lissitz/aoc-2020
[INFO] finished tweaking git repo https://github.com/lissitz/aoc-2020
[INFO] tweaked toml for git repo https://github.com/lissitz/aoc-2020 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/lissitz/aoc-2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2998fcbdcf131b8ad1c7baa38fe6a7baada63e696d9746a562448b44e2ff71e
[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" "d2998fcbdcf131b8ad1c7baa38fe6a7baada63e696d9746a562448b44e2ff71e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2998fcbdcf131b8ad1c7baa38fe6a7baada63e696d9746a562448b44e2ff71e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2998fcbdcf131b8ad1c7baa38fe6a7baada63e696d9746a562448b44e2ff71e", kill_on_drop: false }`
[INFO] [stdout] d2998fcbdcf131b8ad1c7baa38fe6a7baada63e696d9746a562448b44e2ff71e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d848149a17bf9828030b9a3c16d8f829bfc2b8e2e837dd5e305c5f6b33aee2c
[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" "5d848149a17bf9828030b9a3c16d8f829bfc2b8e2e837dd5e305c5f6b33aee2c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking aoc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]  --> examples/25/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let N = 20201227;
[INFO] [stdout]   |         ^ help: convert the identifier to snake case: `n`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> examples/24/main.rs:138:44
[INFO] [stdout]     |
[INFO] [stdout] 138 |     fn _index(index: [usize; 2], x: usize, y: usize) -> usize {
[INFO] [stdout]     |                                            ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> examples/20/main.rs:222:44
[INFO] [stdout]     |
[INFO] [stdout] 222 |     fn _index(index: [usize; 2], x: usize, y: usize) -> usize {
[INFO] [stdout]     |                                            ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `timestamp`
[INFO] [stdout]   --> examples/13/main.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let timestamp = lines.next().unwrap().parse::<u64>().unwrap();
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_timestamp`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.08s
[INFO] running `Command { std: "docker" "inspect" "5d848149a17bf9828030b9a3c16d8f829bfc2b8e2e837dd5e305c5f6b33aee2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d848149a17bf9828030b9a3c16d8f829bfc2b8e2e837dd5e305c5f6b33aee2c", kill_on_drop: false }`
[INFO] [stdout] 5d848149a17bf9828030b9a3c16d8f829bfc2b8e2e837dd5e305c5f6b33aee2c