[INFO] cloning repository https://github.com/riginding/rust-hero
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/riginding/rust-hero" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Friginding%2Frust-hero", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Friginding%2Frust-hero'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7e626ab5b2a930cc8e0f837af2e6e76c76638463
[INFO] checking riginding/rust-hero against c319ab3d7cf6bd67099fd3635f0e3c0fccb07e40 for pr-160391-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Friginding%2Frust-hero" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/riginding/rust-hero
[INFO] finished tweaking git repo https://github.com/riginding/rust-hero
[INFO] tweaked toml for git repo https://github.com/riginding/rust-hero written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/riginding/rust-hero on toolchain c319ab3d7cf6bd67099fd3635f0e3c0fccb07e40
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c319ab3d7cf6bd67099fd3635f0e3c0fccb07e40" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/riginding/rust-hero 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" "+c319ab3d7cf6bd67099fd3635f0e3c0fccb07e40" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:c0af3998e971868164375a7dfb646c9933ddd1a3bdb00fa2041266763dc1eeab" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 3a406091b66bdd1b19c4d734ab52b78442c8e9f93d24ed48f7457a79ee48afff
[INFO] running `Command { std: "docker" "start" "3a406091b66bdd1b19c4d734ab52b78442c8e9f93d24ed48f7457a79ee48afff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a406091b66bdd1b19c4d734ab52b78442c8e9f93d24ed48f7457a79ee48afff", 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" "3a406091b66bdd1b19c4d734ab52b78442c8e9f93d24ed48f7457a79ee48afff" "/opt/rustwide/cargo-home/bin/cargo" "+c319ab3d7cf6bd67099fd3635f0e3c0fccb07e40" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a406091b66bdd1b19c4d734ab52b78442c8e9f93d24ed48f7457a79ee48afff", 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" "3a406091b66bdd1b19c4d734ab52b78442c8e9f93d24ed48f7457a79ee48afff" "/opt/rustwide/cargo-home/bin/cargo" "+c319ab3d7cf6bd67099fd3635f0e3c0fccb07e40" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking rusthero v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Segment` is never constructed
[INFO] [stdout]  --> src/main.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Segment(i32, char);
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Segments` is never constructed
[INFO] [stdout]   --> src/main.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Segments(pub Vec<Segment>);
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rust_hero_solve` is never used
[INFO] [stdout]   --> src/main.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn rust_hero_solve(input: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `recursive_super_duper_function` is never used
[INFO] [stdout]   --> src/main.rs:50:4
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn recursive_super_duper_function(input: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "3a406091b66bdd1b19c4d734ab52b78442c8e9f93d24ed48f7457a79ee48afff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a406091b66bdd1b19c4d734ab52b78442c8e9f93d24ed48f7457a79ee48afff", kill_on_drop: false }`
[INFO] [stdout] 3a406091b66bdd1b19c4d734ab52b78442c8e9f93d24ed48f7457a79ee48afff
