[INFO] fetching crate tt-identifier 0.1.1...
[INFO] testing tt-identifier-0.1.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate tt-identifier 0.1.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate tt-identifier 0.1.1
[INFO] finished tweaking crates.io crate tt-identifier 0.1.1
[INFO] tweaked toml for crates.io crate tt-identifier 0.1.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tt-identifier 0.1.1 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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-2025-10-28" "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] [stderr]       Adding proc-macro2 v0.4.30 (available: v1.0.103)
[INFO] [stderr]       Adding syn v0.15.44 (available: v2.0.108)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6685e3bed4b700df2a9a040db05dbb7a0976674066b3d055a80b4105b39ffb3
[INFO] running `Command { std: "docker" "start" "-a" "e6685e3bed4b700df2a9a040db05dbb7a0976674066b3d055a80b4105b39ffb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6685e3bed4b700df2a9a040db05dbb7a0976674066b3d055a80b4105b39ffb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6685e3bed4b700df2a9a040db05dbb7a0976674066b3d055a80b4105b39ffb3", kill_on_drop: false }`
[INFO] [stdout] e6685e3bed4b700df2a9a040db05dbb7a0976674066b3d055a80b4105b39ffb3
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 883f44b1aa50b4d2ba5935331adcb17b8cb13ca656f925963877bdeccb0b5101
[INFO] running `Command { std: "docker" "start" "-a" "883f44b1aa50b4d2ba5935331adcb17b8cb13ca656f925963877bdeccb0b5101", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling tt-identifier v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.00s
[INFO] running `Command { std: "docker" "inspect" "883f44b1aa50b4d2ba5935331adcb17b8cb13ca656f925963877bdeccb0b5101", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "883f44b1aa50b4d2ba5935331adcb17b8cb13ca656f925963877bdeccb0b5101", kill_on_drop: false }`
[INFO] [stdout] 883f44b1aa50b4d2ba5935331adcb17b8cb13ca656f925963877bdeccb0b5101
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d56d5032140fe25487d2b25a08c9d593c1707d9d0159534a8d236b54aec9f4a
[INFO] running `Command { std: "docker" "start" "-a" "2d56d5032140fe25487d2b25a08c9d593c1707d9d0159534a8d236b54aec9f4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling tt-identifier v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> tests/test.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro_hygiene)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `identify_string`
[INFO] [stdout]  --> tests/test.rs:2:31
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tt_identifier::{identify, identify_string};
[INFO] [stdout]   |                               ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tt-identifier` (test "test") due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "2d56d5032140fe25487d2b25a08c9d593c1707d9d0159534a8d236b54aec9f4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d56d5032140fe25487d2b25a08c9d593c1707d9d0159534a8d236b54aec9f4a", kill_on_drop: false }`
[INFO] [stdout] 2d56d5032140fe25487d2b25a08c9d593c1707d9d0159534a8d236b54aec9f4a