[INFO] cloning repository https://github.com/kaskelotti/advent-of-code2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kaskelotti/advent-of-code2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaskelotti%2Fadvent-of-code2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaskelotti%2Fadvent-of-code2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a2a9420a1594af65d7fd0b13c16eff2a478eb40f
[INFO] checking kaskelotti/advent-of-code2020 against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaskelotti%2Fadvent-of-code2020" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kaskelotti/advent-of-code2020 on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kaskelotti/advent-of-code2020
[INFO] finished tweaking git repo https://github.com/kaskelotti/advent-of-code2020
[INFO] tweaked toml for git repo https://github.com/kaskelotti/advent-of-code2020 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/kaskelotti/advent-of-code2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ddd3ab81b9135a6747de0ba199811f8532d9a069a316dd725e43300dc4a26b8
[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" "5ddd3ab81b9135a6747de0ba199811f8532d9a069a316dd725e43300dc4a26b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ddd3ab81b9135a6747de0ba199811f8532d9a069a316dd725e43300dc4a26b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ddd3ab81b9135a6747de0ba199811f8532d9a069a316dd725e43300dc4a26b8", kill_on_drop: false }`
[INFO] [stdout] 5ddd3ab81b9135a6747de0ba199811f8532d9a069a316dd725e43300dc4a26b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0498e9da75079219da8edb234c6efd94c2becac87aa6dc25553a2d24b61e0796
[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" "0498e9da75079219da8edb234c6efd94c2becac87aa6dc25553a2d24b61e0796", kill_on_drop: false }`
[INFO] [stderr]     Checking advent-of-code-2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `is_valid`
[INFO] [stdout]   --> src/bin/day2.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let is_valid = |password: &Password| {
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_valid`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `compare_a`
[INFO] [stdout]   --> src/bin/day1.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn compare_a(mut list: Vec<u32>) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/bin/day1.rs:17:51
[INFO] [stdout]    |
[INFO] [stdout] 17 | ...                   Err(reason) => panic!(reason),
[INFO] [stdout]    |                                             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 17 |                             Err(reason) => panic!("{}", reason),
[INFO] [stdout]    |                                                   ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 17 |                             Err(reason) => std::panic::panic_any(reason),
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_valid`
[INFO] [stdout]   --> src/bin/day2.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let is_valid = |password: &Password| {
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_valid`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[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: function is never used: `compare_a`
[INFO] [stdout]   --> src/bin/day1.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn compare_a(mut list: Vec<u32>) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/bin/day1.rs:17:51
[INFO] [stdout]    |
[INFO] [stdout] 17 | ...                   Err(reason) => panic!(reason),
[INFO] [stdout]    |                                             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 17 |                             Err(reason) => panic!("{}", reason),
[INFO] [stdout]    |                                                   ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 17 |                             Err(reason) => std::panic::panic_any(reason),
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "0498e9da75079219da8edb234c6efd94c2becac87aa6dc25553a2d24b61e0796", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0498e9da75079219da8edb234c6efd94c2becac87aa6dc25553a2d24b61e0796", kill_on_drop: false }`
[INFO] [stdout] 0498e9da75079219da8edb234c6efd94c2becac87aa6dc25553a2d24b61e0796