[INFO] cloning repository https://github.com/reyhanwiyasa/advprog-modul6
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/reyhanwiyasa/advprog-modul6" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freyhanwiyasa%2Fadvprog-modul6", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freyhanwiyasa%2Fadvprog-modul6'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2c2e1b1360248e85c317a00c6b7d63f081626341
[INFO] testing reyhanwiyasa/advprog-modul6 against master#595316b4006932405a63862d8fe65f71a6356293 for pr-128254
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freyhanwiyasa%2Fadvprog-modul6" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/reyhanwiyasa/advprog-modul6 on toolchain 595316b4006932405a63862d8fe65f71a6356293
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+595316b4006932405a63862d8fe65f71a6356293" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/reyhanwiyasa/advprog-modul6
[INFO] finished tweaking git repo https://github.com/reyhanwiyasa/advprog-modul6
[INFO] tweaked toml for git repo https://github.com/reyhanwiyasa/advprog-modul6 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/reyhanwiyasa/advprog-modul6 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" "+595316b4006932405a63862d8fe65f71a6356293" "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/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+595316b4006932405a63862d8fe65f71a6356293" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9cb6688073855878b5d244230b8a06ccba4d0783f220b3e5c2aae090b44ffe8
[INFO] running `Command { std: "docker" "start" "-a" "e9cb6688073855878b5d244230b8a06ccba4d0783f220b3e5c2aae090b44ffe8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9cb6688073855878b5d244230b8a06ccba4d0783f220b3e5c2aae090b44ffe8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9cb6688073855878b5d244230b8a06ccba4d0783f220b3e5c2aae090b44ffe8", kill_on_drop: false }`
[INFO] [stdout] e9cb6688073855878b5d244230b8a06ccba4d0783f220b3e5c2aae090b44ffe8
[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=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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+595316b4006932405a63862d8fe65f71a6356293" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] adfbacbdc15c829f6c9e9643390f8823fdbde2734317e90422856fb9ef3e95f2
[INFO] running `Command { std: "docker" "start" "-a" "adfbacbdc15c829f6c9e9643390f8823fdbde2734317e90422856fb9ef3e95f2", 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:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct ThreadPool {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 3 |     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:33:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | struct Worker {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 33 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 34 |     thread: thread::JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "adfbacbdc15c829f6c9e9643390f8823fdbde2734317e90422856fb9ef3e95f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adfbacbdc15c829f6c9e9643390f8823fdbde2734317e90422856fb9ef3e95f2", kill_on_drop: false }`
[INFO] [stdout] adfbacbdc15c829f6c9e9643390f8823fdbde2734317e90422856fb9ef3e95f2
[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=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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+595316b4006932405a63862d8fe65f71a6356293" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aba6b7d757a3cb73b85d645208127fe2fc3958f48f9879f1a8d4aaca97533050
[INFO] running `Command { std: "docker" "start" "-a" "aba6b7d757a3cb73b85d645208127fe2fc3958f48f9879f1a8d4aaca97533050", kill_on_drop: false }`
[INFO] [stdout] warning: field `workers` is never read
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct ThreadPool {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 3 |     workers: Vec<Worker>,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling hello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `id` and `thread` are never read
[INFO] [stdout]   --> src/lib.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | struct Worker {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 33 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 34 |     thread: thread::JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `workers` is never read
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct ThreadPool {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 3 |     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:33:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | struct Worker {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 33 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 34 |     thread: thread::JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "aba6b7d757a3cb73b85d645208127fe2fc3958f48f9879f1a8d4aaca97533050", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aba6b7d757a3cb73b85d645208127fe2fc3958f48f9879f1a8d4aaca97533050", kill_on_drop: false }`
[INFO] [stdout] aba6b7d757a3cb73b85d645208127fe2fc3958f48f9879f1a8d4aaca97533050
[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=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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+595316b4006932405a63862d8fe65f71a6356293" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 85172cde596aaff5b8471eb6500b465465dbdd9db1cbaaaff72aae99711e7a5c
[INFO] running `Command { std: "docker" "start" "-a" "85172cde596aaff5b8471eb6500b465465dbdd9db1cbaaaff72aae99711e7a5c", kill_on_drop: false }`
[INFO] [stderr] warning: field `workers` is never read
[INFO] [stderr]  --> src/lib.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub struct ThreadPool {
[INFO] [stderr]   |            ---------- field in this struct
[INFO] [stderr] 3 |     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:33:5
[INFO] [stderr]    |
[INFO] [stderr] 32 | struct Worker {
[INFO] [stderr]    |        ------ fields in this struct
[INFO] [stderr] 33 |     id: usize,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 34 |     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 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/hello-219d581da9353ec1)
[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]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/hello-4c84cebda6509487)
[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" "85172cde596aaff5b8471eb6500b465465dbdd9db1cbaaaff72aae99711e7a5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85172cde596aaff5b8471eb6500b465465dbdd9db1cbaaaff72aae99711e7a5c", kill_on_drop: false }`
[INFO] [stdout] 85172cde596aaff5b8471eb6500b465465dbdd9db1cbaaaff72aae99711e7a5c
[INFO] testing reyhanwiyasa/advprog-modul6 against try#5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b for pr-128254
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freyhanwiyasa%2Fadvprog-modul6" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/reyhanwiyasa/advprog-modul6 on toolchain 5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/reyhanwiyasa/advprog-modul6
[INFO] finished tweaking git repo https://github.com/reyhanwiyasa/advprog-modul6
[INFO] tweaked toml for git repo https://github.com/reyhanwiyasa/advprog-modul6 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/reyhanwiyasa/advprog-modul6 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" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09376dee64f048b2f7c81aa5062aca3a33d298a8005b8f7e93bee2e61bfba6bd
[INFO] running `Command { std: "docker" "start" "-a" "09376dee64f048b2f7c81aa5062aca3a33d298a8005b8f7e93bee2e61bfba6bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09376dee64f048b2f7c81aa5062aca3a33d298a8005b8f7e93bee2e61bfba6bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09376dee64f048b2f7c81aa5062aca3a33d298a8005b8f7e93bee2e61bfba6bd", kill_on_drop: false }`
[INFO] [stdout] 09376dee64f048b2f7c81aa5062aca3a33d298a8005b8f7e93bee2e61bfba6bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e7e959e2919383f68d56b86aaeee227bf2f306e9984556c08a7ea728009a2f0
[INFO] running `Command { std: "docker" "start" "-a" "3e7e959e2919383f68d56b86aaeee227bf2f306e9984556c08a7ea728009a2f0", 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:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct ThreadPool {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 3 |     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:33:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | struct Worker {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 33 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 34 |     thread: thread::JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: LC_ALL="C" PATH="/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/bin/self-contained:/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/bin/self-contained:/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/bin/self-contained:/opt/rustwide/cargo-home/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" VSLANG="1033" "cc" "-m64" "/tmp/rustcfVUS48/symbols.o" "/opt/rustwide/target/debug/deps/hello-d8e4eb03d34ba832.hello.b3807ac6b00cc49a-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/hello-d8e4eb03d34ba832.hello.b3807ac6b00cc49a-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/hello-d8e4eb03d34ba832.hello.b3807ac6b00cc49a-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/hello-d8e4eb03d34ba832.3qyxbhfat7xmcnhmxi3mouhvh.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libhello-2514b4a62d0781ef.rlib" "/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-9506e3738f23e7c7.rlib" "/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-0e87bdc388165b9b.rlib" "/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-28d2ee21ffecbcd0.rlib" "/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-4cd64c3d9fc2560b.rlib" "/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-a1fedeceba4cc892.rlib" "/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-0b8915cbc76cd410.rlib" "/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-fec2ce82fc5b17fa.rlib" "/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-fdb02324b55b2840.rlib" "/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-db981ef273c68b12.rlib" "/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-2c4968ed4cb29e9c.rlib" "/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-661cdd70a5b83118.rlib" "/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-9cbb3bfdc8e63ca5.rlib" "/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-a4c5ad4392a26401.rlib" "/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-9409cd7d030362b9.rlib" "/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-7b90a2705bcf265b.rlib" "/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-80d2f129fb536a6f.rlib" "/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-f72b956e24d1de70.rlib" "/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-632ae0f28c5e55ff.rlib" "/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-7586cb84705120bb.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-B/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-B/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-B/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-L" "/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/lib/self-contained" "-o" "/opt/rustwide/target/debug/deps/hello-d8e4eb03d34ba832" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: collect2: fatal error: ld terminated with signal 7 [Bus error], core dumped
[INFO] [stdout]           compilation terminated.
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hello` (bin "hello") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "3e7e959e2919383f68d56b86aaeee227bf2f306e9984556c08a7ea728009a2f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e7e959e2919383f68d56b86aaeee227bf2f306e9984556c08a7ea728009a2f0", kill_on_drop: false }`
[INFO] [stdout] 3e7e959e2919383f68d56b86aaeee227bf2f306e9984556c08a7ea728009a2f0