[INFO] cloning repository https://github.com/hsmtkk/solid-invention
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hsmtkk/solid-invention" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhsmtkk%2Fsolid-invention", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhsmtkk%2Fsolid-invention'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] db717d83fc70d30afe1f86b7236b1a21770b9aa4
[INFO] checking hsmtkk/solid-invention against master#4eb62535fc12dd1a63fd43a4173e224e79313c4d for pr-158816
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhsmtkk%2Fsolid-invention" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/hsmtkk/solid-invention
[INFO] finished tweaking git repo https://github.com/hsmtkk/solid-invention
[INFO] tweaked toml for git repo https://github.com/hsmtkk/solid-invention written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hsmtkk/solid-invention on toolchain 4eb62535fc12dd1a63fd43a4173e224e79313c4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hsmtkk/solid-invention 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" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] a8a4416a88ae3244b4c4d8677ca9e785367aa04cf17c0019c870c5122eb184ab
[INFO] running `Command { std: "docker" "start" "a8a4416a88ae3244b4c4d8677ca9e785367aa04cf17c0019c870c5122eb184ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8a4416a88ae3244b4c4d8677ca9e785367aa04cf17c0019c870c5122eb184ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a8a4416a88ae3244b4c4d8677ca9e785367aa04cf17c0019c870c5122eb184ab" "/opt/rustwide/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8a4416a88ae3244b4c4d8677ca9e785367aa04cf17c0019c870c5122eb184ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a8a4416a88ae3244b4c4d8677ca9e785367aa04cf17c0019c870c5122eb184ab" "/opt/rustwide/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling anyhow v1.0.52
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking solid-invention v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Problem` is never constructed
[INFO] [stdout]  --> src/musikui.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Problem {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `solve` are never used
[INFO] [stdout]   --> src/musikui.rs:7:8
[INFO] [stdout]    |
[INFO] [stdout]  6 | impl Problem{
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout]  7 |     fn new(a:u16,b:u16) -> Problem {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     fn solve(&self) -> Option<Answer> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Answer` is never constructed
[INFO] [stdout]   --> src/musikui.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct Answer {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/musikui.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl Answer{
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 32 |     fn new(x:u16,y:u16) -> Answer {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.86s
[INFO] running `Command { std: "docker" "inspect" "a8a4416a88ae3244b4c4d8677ca9e785367aa04cf17c0019c870c5122eb184ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8a4416a88ae3244b4c4d8677ca9e785367aa04cf17c0019c870c5122eb184ab", kill_on_drop: false }`
[INFO] [stdout] a8a4416a88ae3244b4c4d8677ca9e785367aa04cf17c0019c870c5122eb184ab
