[INFO] fetching crate multiline-logger 0.2.0...
[INFO] testing multiline-logger-0.2.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate multiline-logger 0.2.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate multiline-logger 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate multiline-logger 0.2.0
[INFO] tweaked toml for crates.io crate multiline-logger 0.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate multiline-logger 0.2.0 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] crate crates.io crate multiline-logger 0.2.0 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 8fa71995910bf03224fce68432b3965be5762989e64ceaacf34e561c4000387e
[INFO] running `Command { std: "docker" "start" "-a" "8fa71995910bf03224fce68432b3965be5762989e64ceaacf34e561c4000387e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8fa71995910bf03224fce68432b3965be5762989e64ceaacf34e561c4000387e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fa71995910bf03224fce68432b3965be5762989e64ceaacf34e561c4000387e", kill_on_drop: false }`
[INFO] [stdout] 8fa71995910bf03224fce68432b3965be5762989e64ceaacf34e561c4000387e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 7bb0d8ea32b4bf3dde08b0fd38da88b9389d9ab948ad0dafe0b94167db8254e7
[INFO] running `Command { std: "docker" "start" "-a" "7bb0d8ea32b4bf3dde08b0fd38da88b9389d9ab948ad0dafe0b94167db8254e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling num_threads v0.1.7
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling log v0.4.25
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling time v0.3.37
[INFO] [stderr]    Compiling multiline-logger v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(ptr_metadata, panic_payload_as_str)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `panic_payload_as_str` has been stable since 1.91.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:5:26
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(ptr_metadata, panic_payload_as_str)]
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` 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 `multiline-logger` (lib) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7bb0d8ea32b4bf3dde08b0fd38da88b9389d9ab948ad0dafe0b94167db8254e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bb0d8ea32b4bf3dde08b0fd38da88b9389d9ab948ad0dafe0b94167db8254e7", kill_on_drop: false }`
[INFO] [stdout] 7bb0d8ea32b4bf3dde08b0fd38da88b9389d9ab948ad0dafe0b94167db8254e7
