[INFO] fetching crate twiml_derive 0.1.0...
[INFO] testing twiml_derive-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate twiml_derive 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate twiml_derive 0.1.0
[INFO] finished tweaking crates.io crate twiml_derive 0.1.0
[INFO] tweaked toml for crates.io crate twiml_derive 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate twiml_derive 0.1.0 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] crate crates.io crate twiml_derive 0.1.0 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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 082900bb398a2ba104e583fcad6e612a0d4c5da1a50e0ba14b6c3902ba094ce9
[INFO] running `Command { std: "docker" "start" "-a" "082900bb398a2ba104e583fcad6e612a0d4c5da1a50e0ba14b6c3902ba094ce9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "082900bb398a2ba104e583fcad6e612a0d4c5da1a50e0ba14b6c3902ba094ce9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "082900bb398a2ba104e583fcad6e612a0d4c5da1a50e0ba14b6c3902ba094ce9", kill_on_drop: false }`
[INFO] [stdout] 082900bb398a2ba104e583fcad6e612a0d4c5da1a50e0ba14b6c3902ba094ce9
[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=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] 07ecddcb0e2761e9f1db0bb54ceff5810dd78e001eb76e8ffb6c09df15b1fa0c
[INFO] running `Command { std: "docker" "start" "-a" "07ecddcb0e2761e9f1db0bb54ceff5810dd78e001eb76e8ffb6c09df15b1fa0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling twiml_derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `is_content` is assigned to, but never used
[INFO] [stdout]   --> src/lib.rs:28:17
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let mut is_content = false;
[INFO] [stdout]    |                 ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_is_content` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `is_content` is never read
[INFO] [stdout]   --> src/lib.rs:47:45
[INFO] [stdout]    |
[INFO] [stdout] 47 | ...                   is_content = true;
[INFO] [stdout]    |                       ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.17s
[INFO] running `Command { std: "docker" "inspect" "07ecddcb0e2761e9f1db0bb54ceff5810dd78e001eb76e8ffb6c09df15b1fa0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07ecddcb0e2761e9f1db0bb54ceff5810dd78e001eb76e8ffb6c09df15b1fa0c", kill_on_drop: false }`
[INFO] [stdout] 07ecddcb0e2761e9f1db0bb54ceff5810dd78e001eb76e8ffb6c09df15b1fa0c
[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=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] e134ca8967693200529b4c74ea98efe2e0ad423193e6c4c6de3cdf0aae334cf7
[INFO] running `Command { std: "docker" "start" "-a" "e134ca8967693200529b4c74ea98efe2e0ad423193e6c4c6de3cdf0aae334cf7", kill_on_drop: false }`
[INFO] [stderr]    Compiling twiml_derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `is_content` is assigned to, but never used
[INFO] [stdout]   --> src/lib.rs:28:17
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let mut is_content = false;
[INFO] [stdout]    |                 ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_is_content` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `is_content` is never read
[INFO] [stdout]   --> src/lib.rs:47:45
[INFO] [stdout]    |
[INFO] [stdout] 47 | ...                   is_content = true;
[INFO] [stdout]    |                       ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `is_content` is assigned to, but never used
[INFO] [stdout]   --> src/lib.rs:28:17
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let mut is_content = false;
[INFO] [stdout]    |                 ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_is_content` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `is_content` is never read
[INFO] [stdout]   --> src/lib.rs:47:45
[INFO] [stdout]    |
[INFO] [stdout] 47 | ...                   is_content = true;
[INFO] [stdout]    |                       ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "e134ca8967693200529b4c74ea98efe2e0ad423193e6c4c6de3cdf0aae334cf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e134ca8967693200529b4c74ea98efe2e0ad423193e6c4c6de3cdf0aae334cf7", kill_on_drop: false }`
[INFO] [stdout] e134ca8967693200529b4c74ea98efe2e0ad423193e6c4c6de3cdf0aae334cf7
[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=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] be935603f6948e169db467256d3a1e1186da018f9a9186c93648e5b02c68ceac
[INFO] running `Command { std: "docker" "start" "-a" "be935603f6948e169db467256d3a1e1186da018f9a9186c93648e5b02c68ceac", kill_on_drop: false }`
[INFO] [stderr] warning: variable `is_content` is assigned to, but never used
[INFO] [stderr]   --> src/lib.rs:28:17
[INFO] [stderr]    |
[INFO] [stderr] 28 |         let mut is_content = false;
[INFO] [stderr]    |                 ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: consider using `_is_content` instead
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `is_content` is never read
[INFO] [stderr]   --> src/lib.rs:47:45
[INFO] [stderr]    |
[INFO] [stderr] 47 | ...                   is_content = true;
[INFO] [stderr]    |                       ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `twiml_derive` (lib) generated 2 warnings
[INFO] [stderr] warning: `twiml_derive` (lib test) generated 2 warnings (2 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/twiml_derive-c2fa15afdcea203e)
[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 twiml_derive
[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" "be935603f6948e169db467256d3a1e1186da018f9a9186c93648e5b02c68ceac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be935603f6948e169db467256d3a1e1186da018f9a9186c93648e5b02c68ceac", kill_on_drop: false }`
[INFO] [stdout] be935603f6948e169db467256d3a1e1186da018f9a9186c93648e5b02c68ceac