[INFO] cloning repository https://github.com/hazzarust/advent-of-code
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hazzarust/advent-of-code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhazzarust%2Fadvent-of-code", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhazzarust%2Fadvent-of-code'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3092a83fb69a26ea72dad672af8e4a0346ed0443
[INFO] checking hazzarust/advent-of-code against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhazzarust%2Fadvent-of-code" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/hazzarust/advent-of-code
[INFO] finished tweaking git repo https://github.com/hazzarust/advent-of-code
[INFO] tweaked toml for git repo https://github.com/hazzarust/advent-of-code written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hazzarust/advent-of-code on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hazzarust/advent-of-code 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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]   |
[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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] edc866f13450f85a9e254540c9613ad33938bd412dc1b5313972ee01eb4834a7
[INFO] running `Command { std: "docker" "start" "-a" "edc866f13450f85a9e254540c9613ad33938bd412dc1b5313972ee01eb4834a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edc866f13450f85a9e254540c9613ad33938bd412dc1b5313972ee01eb4834a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edc866f13450f85a9e254540c9613ad33938bd412dc1b5313972ee01eb4834a7", kill_on_drop: false }`
[INFO] [stdout] edc866f13450f85a9e254540c9613ad33938bd412dc1b5313972ee01eb4834a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 206159639e6dbdc9e207f359f5735ace6206c4c6592f750f8c23b83cf1fc6a20
[INFO] running `Command { std: "docker" "start" "-a" "206159639e6dbdc9e207f359f5735ace6206c4c6592f750f8c23b83cf1fc6a20", 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]   |
[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 one v0.1.0 (/opt/rustwide/workdir/one)
[INFO] [stderr]     Checking two v0.1.0 (/opt/rustwide/workdir/two)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> two/src/main.rs:19:20
[INFO] [stdout]    |
[INFO] [stdout] 19 |                 if (vector.iter().is_sorted() || vector.iter().rev().is_sorted()){
[INFO] [stdout]    |                    ^                                                            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 19 -                 if (vector.iter().is_sorted() || vector.iter().rev().is_sorted()){
[INFO] [stdout] 19 +                 if vector.iter().is_sorted() || vector.iter().rev().is_sorted() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> two/src/main.rs:19:20
[INFO] [stdout]    |
[INFO] [stdout] 19 |                 if (vector.iter().is_sorted() || vector.iter().rev().is_sorted()){
[INFO] [stdout]    |                    ^                                                            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 19 -                 if (vector.iter().is_sorted() || vector.iter().rev().is_sorted()){
[INFO] [stdout] 19 +                 if vector.iter().is_sorted() || vector.iter().rev().is_sorted() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]   --> two/src/main.rs:21:31
[INFO] [stdout]    |
[INFO] [stdout] 21 |                     for (pos, num) in vector.iter().enumerate(){
[INFO] [stdout]    |                               ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> two/src/main.rs:30:40
[INFO] [stdout]    |
[INFO] [stdout] 30 |                         else if pos == (vector.len() - 1).try_into().unwrap(){
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]   --> two/src/main.rs:21:31
[INFO] [stdout]    |
[INFO] [stdout] 21 |                     for (pos, num) in vector.iter().enumerate(){
[INFO] [stdout]    |                               ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> two/src/main.rs:30:40
[INFO] [stdout]    |
[INFO] [stdout] 30 |                         else if pos == (vector.len() - 1).try_into().unwrap(){
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `two` (bin "two" test) due to 1 previous error; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `two` (bin "two") due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "206159639e6dbdc9e207f359f5735ace6206c4c6592f750f8c23b83cf1fc6a20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "206159639e6dbdc9e207f359f5735ace6206c4c6592f750f8c23b83cf1fc6a20", kill_on_drop: false }`
[INFO] [stdout] 206159639e6dbdc9e207f359f5735ace6206c4c6592f750f8c23b83cf1fc6a20
