[INFO] cloning repository https://github.com/neodevelop/hello_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/neodevelop/hello_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneodevelop%2Fhello_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneodevelop%2Fhello_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b1c9ed2822ebc7d1895b7085d3d5fa6fbcef633f
[INFO] building neodevelop/hello_rust against try#14accda7ba2c586835d15379a621955d9f047371 for pr-103610
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneodevelop%2Fhello_rust" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/neodevelop/hello_rust on toolchain 14accda7ba2c586835d15379a621955d9f047371
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+14accda7ba2c586835d15379a621955d9f047371" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/neodevelop/hello_rust
[INFO] finished tweaking git repo https://github.com/neodevelop/hello_rust
[INFO] tweaked toml for git repo https://github.com/neodevelop/hello_rust written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/neodevelop/hello_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+14accda7ba2c586835d15379a621955d9f047371" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+14accda7ba2c586835d15379a621955d9f047371" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42a7c2cd1657aaaef2c2a0c1944a6117cd5c5a83923458cb060788c92a99bad2
[INFO] running `Command { std: "docker" "start" "-a" "42a7c2cd1657aaaef2c2a0c1944a6117cd5c5a83923458cb060788c92a99bad2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42a7c2cd1657aaaef2c2a0c1944a6117cd5c5a83923458cb060788c92a99bad2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42a7c2cd1657aaaef2c2a0c1944a6117cd5c5a83923458cb060788c92a99bad2", kill_on_drop: false }`
[INFO] [stdout] 42a7c2cd1657aaaef2c2a0c1944a6117cd5c5a83923458cb060788c92a99bad2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+14accda7ba2c586835d15379a621955d9f047371" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79de668189819b48ffa9b9e66c3b47ee1715b1b56e344de61f8466701bb1fbf0
[INFO] running `Command { std: "docker" "start" "-a" "79de668189819b48ffa9b9e66c3b47ee1715b1b56e344de61f8466701bb1fbf0", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `workers` is never read
[INFO] [stdout]  --> src/lib.rs:7:3
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct ThreadPool{
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 7 |   workers: Vec<Worker>,
[INFO] [stdout]   |   ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `thread` are never read
[INFO] [stdout]   --> src/lib.rs:42:3
[INFO] [stdout]    |
[INFO] [stdout] 41 | struct Worker {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 42 |   id: usize,
[INFO] [stdout]    |   ^^
[INFO] [stdout] 43 |   thread: thread::JoinHandle<()>,
[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 0.55s
[INFO] running `Command { std: "docker" "inspect" "79de668189819b48ffa9b9e66c3b47ee1715b1b56e344de61f8466701bb1fbf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79de668189819b48ffa9b9e66c3b47ee1715b1b56e344de61f8466701bb1fbf0", kill_on_drop: false }`
[INFO] [stdout] 79de668189819b48ffa9b9e66c3b47ee1715b1b56e344de61f8466701bb1fbf0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+14accda7ba2c586835d15379a621955d9f047371" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0fcbb9fd27ed769d8d3d689a63e84bf9a5bacf818504666e1b984d9735bfd62a
[INFO] running `Command { std: "docker" "start" "-a" "0fcbb9fd27ed769d8d3d689a63e84bf9a5bacf818504666e1b984d9735bfd62a", kill_on_drop: false }`
[INFO] [stdout] warning: field `workers` is never read
[INFO] [stdout]  --> src/lib.rs:7:3
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct ThreadPool{
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 7 |   workers: Vec<Worker>,
[INFO] [stdout]   |   ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `thread` are never read
[INFO] [stdout]   --> src/lib.rs:42:3
[INFO] [stdout]    |
[INFO] [stdout] 41 | struct Worker {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 42 |   id: usize,
[INFO] [stdout]    |   ^^
[INFO] [stdout] 43 |   thread: thread::JoinHandle<()>,
[INFO] [stdout]    |   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling hello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `workers` is never read
[INFO] [stdout]  --> src/lib.rs:7:3
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct ThreadPool{
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 7 |   workers: Vec<Worker>,
[INFO] [stdout]   |   ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `thread` are never read
[INFO] [stdout]   --> src/lib.rs:42:3
[INFO] [stdout]    |
[INFO] [stdout] 41 | struct Worker {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 42 |   id: usize,
[INFO] [stdout]    |   ^^
[INFO] [stdout] 43 |   thread: thread::JoinHandle<()>,
[INFO] [stdout]    |   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "0fcbb9fd27ed769d8d3d689a63e84bf9a5bacf818504666e1b984d9735bfd62a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fcbb9fd27ed769d8d3d689a63e84bf9a5bacf818504666e1b984d9735bfd62a", kill_on_drop: false }`
[INFO] [stdout] 0fcbb9fd27ed769d8d3d689a63e84bf9a5bacf818504666e1b984d9735bfd62a