[INFO] cloning repository https://github.com/not-fl3/derivebug
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/not-fl3/derivebug" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnot-fl3%2Fderivebug", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnot-fl3%2Fderivebug'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] edfbffdc17ded85fbfa9400eaa6831a0145f785c
[INFO] testing not-fl3/derivebug against beta-2025-09-21 for beta-1.91-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnot-fl3%2Fderivebug" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/not-fl3/derivebug
[INFO] finished tweaking git repo https://github.com/not-fl3/derivebug
[INFO] tweaked toml for git repo https://github.com/not-fl3/derivebug written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/not-fl3/derivebug on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/not-fl3/derivebug 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1ba2f1325a98bea1f1dcecdc0f05b68b74cf83a4acdd0e20a15d3b8cd8e3044
[INFO] running `Command { std: "docker" "start" "-a" "e1ba2f1325a98bea1f1dcecdc0f05b68b74cf83a4acdd0e20a15d3b8cd8e3044", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1ba2f1325a98bea1f1dcecdc0f05b68b74cf83a4acdd0e20a15d3b8cd8e3044", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1ba2f1325a98bea1f1dcecdc0f05b68b74cf83a4acdd0e20a15d3b8cd8e3044", kill_on_drop: false }`
[INFO] [stdout] e1ba2f1325a98bea1f1dcecdc0f05b68b74cf83a4acdd0e20a15d3b8cd8e3044
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87f3033e6d98fd993ada445757002bc3e52fdfb59d269879365d73be2b70ac9f
[INFO] running `Command { std: "docker" "start" "-a" "87f3033e6d98fd993ada445757002bc3e52fdfb59d269879365d73be2b70ac9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling foobar v0.1.0 (/opt/rustwide/workdir/foobar)
[INFO] [stderr]    Compiling derivebug v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `bar` is never read
[INFO] [stdout]  --> src/main.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 5 |     pub struct Foo {
[INFO] [stdout]   |                --- field in this struct
[INFO] [stdout] 6 |         pub bar: Bar,
[INFO] [stdout]   |             ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Foo` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "87f3033e6d98fd993ada445757002bc3e52fdfb59d269879365d73be2b70ac9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87f3033e6d98fd993ada445757002bc3e52fdfb59d269879365d73be2b70ac9f", kill_on_drop: false }`
[INFO] [stdout] 87f3033e6d98fd993ada445757002bc3e52fdfb59d269879365d73be2b70ac9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b100caa351dbeefc5af64f277e7bdd21006437168be94d619709854bad5d75c
[INFO] running `Command { std: "docker" "start" "-a" "5b100caa351dbeefc5af64f277e7bdd21006437168be94d619709854bad5d75c", kill_on_drop: false }`
[INFO] [stderr]    Compiling derivebug v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `bar` is never read
[INFO] [stdout]  --> src/main.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 5 |     pub struct Foo {
[INFO] [stdout]   |                --- field in this struct
[INFO] [stdout] 6 |         pub bar: Bar,
[INFO] [stdout]   |             ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Foo` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "5b100caa351dbeefc5af64f277e7bdd21006437168be94d619709854bad5d75c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b100caa351dbeefc5af64f277e7bdd21006437168be94d619709854bad5d75c", kill_on_drop: false }`
[INFO] [stdout] 5b100caa351dbeefc5af64f277e7bdd21006437168be94d619709854bad5d75c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9886a0a945b69482668a30c2b0ee42816bd8e6a11a63edc92469632e54f90565
[INFO] running `Command { std: "docker" "start" "-a" "9886a0a945b69482668a30c2b0ee42816bd8e6a11a63edc92469632e54f90565", kill_on_drop: false }`
[INFO] [stderr] warning: field `bar` is never read
[INFO] [stderr]  --> src/main.rs:6:13
[INFO] [stderr]   |
[INFO] [stderr] 5 |     pub struct Foo {
[INFO] [stderr]   |                --- field in this struct
[INFO] [stderr] 6 |         pub bar: Bar,
[INFO] [stderr]   |             ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Foo` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `derivebug` (bin "derivebug" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/derivebug-38c33f63d778aaa0)
[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" "9886a0a945b69482668a30c2b0ee42816bd8e6a11a63edc92469632e54f90565", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9886a0a945b69482668a30c2b0ee42816bd8e6a11a63edc92469632e54f90565", kill_on_drop: false }`
[INFO] [stdout] 9886a0a945b69482668a30c2b0ee42816bd8e6a11a63edc92469632e54f90565