[INFO] cloning repository https://github.com/magomi/aoc-2022
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/magomi/aoc-2022" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmagomi%2Faoc-2022", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmagomi%2Faoc-2022'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 45241a7c856ef218d12fe0c44035a0123da35d7d
[INFO] checking magomi/aoc-2022 against try#51b1964e35e5e26f8cd938940f0da6f7b5cc54fc for pr-138176
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmagomi%2Faoc-2022" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/magomi/aoc-2022 on toolchain 51b1964e35e5e26f8cd938940f0da6f7b5cc54fc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+51b1964e35e5e26f8cd938940f0da6f7b5cc54fc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/magomi/aoc-2022
[INFO] finished tweaking git repo https://github.com/magomi/aoc-2022
[INFO] tweaked toml for git repo https://github.com/magomi/aoc-2022 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/magomi/aoc-2022 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+51b1964e35e5e26f8cd938940f0da6f7b5cc54fc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+51b1964e35e5e26f8cd938940f0da6f7b5cc54fc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d886cd7a0e424b7bdcefd7b0bf7a97eeaaf1ab5ab58f3aa9f98c70d6b335b820
[INFO] running `Command { std: "docker" "start" "-a" "d886cd7a0e424b7bdcefd7b0bf7a97eeaaf1ab5ab58f3aa9f98c70d6b335b820", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d886cd7a0e424b7bdcefd7b0bf7a97eeaaf1ab5ab58f3aa9f98c70d6b335b820", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d886cd7a0e424b7bdcefd7b0bf7a97eeaaf1ab5ab58f3aa9f98c70d6b335b820", kill_on_drop: false }`
[INFO] [stdout] d886cd7a0e424b7bdcefd7b0bf7a97eeaaf1ab5ab58f3aa9f98c70d6b335b820
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+51b1964e35e5e26f8cd938940f0da6f7b5cc54fc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d264698e478aec94add928ac7f9b249efe2465e1e2db3b48855c8b371ad1187e
[INFO] running `Command { std: "docker" "start" "-a" "d264698e478aec94add928ac7f9b249efe2465e1e2db3b48855c8b371ad1187e", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Checking day-04 v0.1.0 (/opt/rustwide/workdir/day-04)
[INFO] [stderr]     Checking day-02 v0.1.0 (/opt/rustwide/workdir/day-02)
[INFO] [stderr]     Checking day-05 v0.1.0 (/opt/rustwide/workdir/day-05)
[INFO] [stderr]     Checking day-03 v0.1.0 (/opt/rustwide/workdir/day-03)
[INFO] [stderr]     Checking day-01 v0.1.0 (/opt/rustwide/workdir/day-01)
[INFO] [stderr]     Checking day-06 v0.1.0 (/opt/rustwide/workdir/day-06)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> day-03/src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::Split`
[INFO] [stdout]  --> day-04/src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::str::Split;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::Split`
[INFO] [stdout]  --> day-05/src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::str::Split;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::Split`
[INFO] [stdout]  --> day-05/src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::str::Split;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> day-03/src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::Split`
[INFO] [stdout]  --> day-04/src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::str::Split;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> day-05/src/main.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     for i in 0..stacks_count {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> day-05/src/main.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     for i in 0..stacks_count {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> day-05/src/main.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |         for i in 0..mv.count {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> day-05/src/main.rs:99:13
[INFO] [stdout]    |
[INFO] [stdout] 99 |         for i in 0..mv.count {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> day-05/src/main.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |         for i in 0..mv.count {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> day-05/src/main.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |         for i in 0..mv.count {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> day-05/src/main.rs:99:13
[INFO] [stdout]    |
[INFO] [stdout] 99 |         for i in 0..mv.count {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> day-05/src/main.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |         for i in 0..mv.count {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "d264698e478aec94add928ac7f9b249efe2465e1e2db3b48855c8b371ad1187e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d264698e478aec94add928ac7f9b249efe2465e1e2db3b48855c8b371ad1187e", kill_on_drop: false }`
[INFO] [stdout] d264698e478aec94add928ac7f9b249efe2465e1e2db3b48855c8b371ad1187e