[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] testing neodevelop/hello_rust against 1.90.0 for beta-1.91-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneodevelop%2Fhello_rust" "/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/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-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/neodevelop/hello_rust on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/neodevelop/hello_rust 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 807d8de07d9e2919441f0c7239d69ead19e7c5c73f446dfb96ac9cbbc27c416f
[INFO] running `Command { std: "docker" "start" "-a" "807d8de07d9e2919441f0c7239d69ead19e7c5c73f446dfb96ac9cbbc27c416f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "807d8de07d9e2919441f0c7239d69ead19e7c5c73f446dfb96ac9cbbc27c416f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "807d8de07d9e2919441f0c7239d69ead19e7c5c73f446dfb96ac9cbbc27c416f", kill_on_drop: false }`
[INFO] [stdout] 807d8de07d9e2919441f0c7239d69ead19e7c5c73f446dfb96ac9cbbc27c416f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 821f6caa32e41e490d8f4bb61cd9ee560cd36cea83d16d7162b2eecfa10d6b40
[INFO] running `Command { std: "docker" "start" "-a" "821f6caa32e41e490d8f4bb61cd9ee560cd36cea83d16d7162b2eecfa10d6b40", 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "821f6caa32e41e490d8f4bb61cd9ee560cd36cea83d16d7162b2eecfa10d6b40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "821f6caa32e41e490d8f4bb61cd9ee560cd36cea83d16d7162b2eecfa10d6b40", kill_on_drop: false }`
[INFO] [stdout] 821f6caa32e41e490d8f4bb61cd9ee560cd36cea83d16d7162b2eecfa10d6b40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 259f8daa6bc9861f8ab4a02374fe8e2ada49779c54041669d1867a60fbb26cb4
[INFO] running `Command { std: "docker" "start" "-a" "259f8daa6bc9861f8ab4a02374fe8e2ada49779c54041669d1867a60fbb26cb4", 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: 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]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "259f8daa6bc9861f8ab4a02374fe8e2ada49779c54041669d1867a60fbb26cb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "259f8daa6bc9861f8ab4a02374fe8e2ada49779c54041669d1867a60fbb26cb4", kill_on_drop: false }`
[INFO] [stdout] 259f8daa6bc9861f8ab4a02374fe8e2ada49779c54041669d1867a60fbb26cb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 41e396dfe0fb6b74ce61acb7aded153ddc07e022fb409cffcd983493c72b7b75
[INFO] running `Command { std: "docker" "start" "-a" "41e396dfe0fb6b74ce61acb7aded153ddc07e022fb409cffcd983493c72b7b75", kill_on_drop: false }`
[INFO] [stderr] warning: field `workers` is never read
[INFO] [stderr]  --> src/lib.rs:7:3
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct ThreadPool{
[INFO] [stderr]   |            ---------- field in this struct
[INFO] [stderr] 7 |   workers: Vec<Worker>,
[INFO] [stderr]   |   ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `id` and `thread` are never read
[INFO] [stderr]   --> src/lib.rs:42:3
[INFO] [stderr]    |
[INFO] [stderr] 41 | struct Worker {
[INFO] [stderr]    |        ------ fields in this struct
[INFO] [stderr] 42 |   id: usize,
[INFO] [stderr]    |   ^^
[INFO] [stderr] 43 |   thread: thread::JoinHandle<()>,
[INFO] [stderr]    |   ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `hello` (lib) generated 2 warnings
[INFO] [stderr] warning: `hello` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/hello-a8a38a2ce1f64e39)
[INFO] [stderr]      Running unittests src/bin/main.rs (/opt/rustwide/target/debug/deps/main-ca0c90a26f3cd179)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests hello
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "41e396dfe0fb6b74ce61acb7aded153ddc07e022fb409cffcd983493c72b7b75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41e396dfe0fb6b74ce61acb7aded153ddc07e022fb409cffcd983493c72b7b75", kill_on_drop: false }`
[INFO] [stdout] 41e396dfe0fb6b74ce61acb7aded153ddc07e022fb409cffcd983493c72b7b75