[INFO] fetching crate concoct-macros 0.2.0...
[INFO] testing concoct-macros-0.2.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate concoct-macros 0.2.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate concoct-macros 0.2.0
[INFO] finished tweaking crates.io crate concoct-macros 0.2.0
[INFO] tweaked toml for crates.io crate concoct-macros 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate concoct-macros 0.2.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 7b7c750b3f490d99f18c4d2bc9b6b90c2cc0c8a84c0f9459c5683df121a6f606
[INFO] running `Command { std: "docker" "start" "-a" "7b7c750b3f490d99f18c4d2bc9b6b90c2cc0c8a84c0f9459c5683df121a6f606", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b7c750b3f490d99f18c4d2bc9b6b90c2cc0c8a84c0f9459c5683df121a6f606", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b7c750b3f490d99f18c4d2bc9b6b90c2cc0c8a84c0f9459c5683df121a6f606", kill_on_drop: false }`
[INFO] [stdout] 7b7c750b3f490d99f18c4d2bc9b6b90c2cc0c8a84c0f9459c5683df121a6f606
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] ba0dc9c8ddcbbdfa2d288d904debfec78b2e4861f16f403e79184593637d577e
[INFO] running `Command { std: "docker" "start" "-a" "ba0dc9c8ddcbbdfa2d288d904debfec78b2e4861f16f403e79184593637d577e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling concoct-macros v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `checks`
[INFO] [stdout]    --> src/lib.rs:110:17
[INFO] [stdout]     |
[INFO] [stdout] 110 |             let checks = input_pats.iter().enumerate().map(|(idx, input)| {
[INFO] [stdout]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_checks`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `mask` is assigned to, but never used
[INFO] [stdout]    --> src/lib.rs:119:21
[INFO] [stdout]     |
[INFO] [stdout] 119 |             let mut mask = 1u32;
[INFO] [stdout]     |                     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_mask` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `value` is assigned to, but never used
[INFO] [stdout]    --> src/lib.rs:120:21
[INFO] [stdout]     |
[INFO] [stdout] 120 |             let mut value = 0u32;
[INFO] [stdout]     |                     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_value` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/lib.rs:110:67
[INFO] [stdout]     |
[INFO] [stdout] 110 |             let checks = input_pats.iter().enumerate().map(|(idx, input)| {
[INFO] [stdout]     |                                                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.78s
[INFO] running `Command { std: "docker" "inspect" "ba0dc9c8ddcbbdfa2d288d904debfec78b2e4861f16f403e79184593637d577e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba0dc9c8ddcbbdfa2d288d904debfec78b2e4861f16f403e79184593637d577e", kill_on_drop: false }`
[INFO] [stdout] ba0dc9c8ddcbbdfa2d288d904debfec78b2e4861f16f403e79184593637d577e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] d4de931aa1f05904de5500b6f4c6dc1a9fa3f61de99067009d1f5289c075e3f4
[INFO] running `Command { std: "docker" "start" "-a" "d4de931aa1f05904de5500b6f4c6dc1a9fa3f61de99067009d1f5289c075e3f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling concoct-macros v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `checks`
[INFO] [stdout]    --> src/lib.rs:110:17
[INFO] [stdout]     |
[INFO] [stdout] 110 |             let checks = input_pats.iter().enumerate().map(|(idx, input)| {
[INFO] [stdout]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_checks`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `mask` is assigned to, but never used
[INFO] [stdout]    --> src/lib.rs:119:21
[INFO] [stdout]     |
[INFO] [stdout] 119 |             let mut mask = 1u32;
[INFO] [stdout]     |                     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_mask` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `value` is assigned to, but never used
[INFO] [stdout]    --> src/lib.rs:120:21
[INFO] [stdout]     |
[INFO] [stdout] 120 |             let mut value = 0u32;
[INFO] [stdout]     |                     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_value` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/lib.rs:110:67
[INFO] [stdout]     |
[INFO] [stdout] 110 |             let checks = input_pats.iter().enumerate().map(|(idx, input)| {
[INFO] [stdout]     |                                                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `checks`
[INFO] [stdout]    --> src/lib.rs:110:17
[INFO] [stdout]     |
[INFO] [stdout] 110 |             let checks = input_pats.iter().enumerate().map(|(idx, input)| {
[INFO] [stdout]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_checks`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `mask` is assigned to, but never used
[INFO] [stdout]    --> src/lib.rs:119:21
[INFO] [stdout]     |
[INFO] [stdout] 119 |             let mut mask = 1u32;
[INFO] [stdout]     |                     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_mask` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `value` is assigned to, but never used
[INFO] [stdout]    --> src/lib.rs:120:21
[INFO] [stdout]     |
[INFO] [stdout] 120 |             let mut value = 0u32;
[INFO] [stdout]     |                     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_value` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/lib.rs:110:67
[INFO] [stdout]     |
[INFO] [stdout] 110 |             let checks = input_pats.iter().enumerate().map(|(idx, input)| {
[INFO] [stdout]     |                                                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "d4de931aa1f05904de5500b6f4c6dc1a9fa3f61de99067009d1f5289c075e3f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4de931aa1f05904de5500b6f4c6dc1a9fa3f61de99067009d1f5289c075e3f4", kill_on_drop: false }`
[INFO] [stdout] d4de931aa1f05904de5500b6f4c6dc1a9fa3f61de99067009d1f5289c075e3f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 6cebbc77cf30b37ab3e125dfb2419748ab66be25c8f4f5e9839e20b25c14bc33
[INFO] running `Command { std: "docker" "start" "-a" "6cebbc77cf30b37ab3e125dfb2419748ab66be25c8f4f5e9839e20b25c14bc33", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `checks`
[INFO] [stderr]    --> src/lib.rs:110:17
[INFO] [stderr]     |
[INFO] [stderr] 110 |             let checks = input_pats.iter().enumerate().map(|(idx, input)| {
[INFO] [stderr]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_checks`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `mask` is assigned to, but never used
[INFO] [stderr]    --> src/lib.rs:119:21
[INFO] [stderr]     |
[INFO] [stderr] 119 |             let mut mask = 1u32;
[INFO] [stderr]     |                     ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_mask` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variable `value` is assigned to, but never used
[INFO] [stderr]    --> src/lib.rs:120:21
[INFO] [stderr]     |
[INFO] [stderr] 120 |             let mut value = 0u32;
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_value` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]    --> src/lib.rs:110:67
[INFO] [stderr]     |
[INFO] [stderr] 110 |             let checks = input_pats.iter().enumerate().map(|(idx, input)| {
[INFO] [stderr]     |                                                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: `concoct-macros` (lib) generated 4 warnings
[INFO] [stderr] warning: `concoct-macros` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/concoct_macros-9b72a885c2c44577)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests concoct_macros
[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] running `Command { std: "docker" "inspect" "6cebbc77cf30b37ab3e125dfb2419748ab66be25c8f4f5e9839e20b25c14bc33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cebbc77cf30b37ab3e125dfb2419748ab66be25c8f4f5e9839e20b25c14bc33", kill_on_drop: false }`
[INFO] [stdout] 6cebbc77cf30b37ab3e125dfb2419748ab66be25c8f4f5e9839e20b25c14bc33