[INFO] fetching crate srfs 0.1.2...
[INFO] testing srfs-0.1.2 against 1.91.0 for beta-1.92-2
[INFO] extracting crate srfs 0.1.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate srfs 0.1.2
[INFO] finished tweaking crates.io crate srfs 0.1.2
[INFO] tweaked toml for crates.io crate srfs 0.1.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate srfs 0.1.2 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v2.4.2 (available: v2.10.0)
[INFO] [stderr]       Adding lru v0.12.5 (available: v0.16.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded srfs-core v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80b1fd3552b08a10791351647aa1f1c8343f1cf0103cf8b49cecfe7eced4882e
[INFO] running `Command { std: "docker" "start" "-a" "80b1fd3552b08a10791351647aa1f1c8343f1cf0103cf8b49cecfe7eced4882e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80b1fd3552b08a10791351647aa1f1c8343f1cf0103cf8b49cecfe7eced4882e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80b1fd3552b08a10791351647aa1f1c8343f1cf0103cf8b49cecfe7eced4882e", kill_on_drop: false }`
[INFO] [stdout] 80b1fd3552b08a10791351647aa1f1c8343f1cf0103cf8b49cecfe7eced4882e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 015f353d879c3090af760e85590fb93d25dc89daa90bbf5ce55d1c6b5548ba54
[INFO] running `Command { std: "docker" "start" "-a" "015f353d879c3090af760e85590fb93d25dc89daa90bbf5ce55d1c6b5548ba54", kill_on_drop: false }`
[INFO] [stderr]    Compiling crc v3.3.0
[INFO] [stderr]    Compiling lru v0.12.5
[INFO] [stderr]    Compiling srfs-core v0.1.2
[INFO] [stderr]    Compiling srfs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | #![feature(const_option)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | #![feature(io_error_more)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `const_option` has been stable since 1.83.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | #![feature(const_option)]
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `FilesystemQuotaExceeded` found for enum `ErrorKind` in the current scope
[INFO] [stdout]  --> src/error.rs:9:51
[INFO] [stdout]   |
[INFO] [stdout] 9 |         FsError::FsFull => Error::from(ErrorKind::FilesystemQuotaExceeded),
[INFO] [stdout]   |                                                   ^^^^^^^^^^^^^^^^^^^^^^^ variant or associated item not found in `ErrorKind`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `srfs` (lib) due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "015f353d879c3090af760e85590fb93d25dc89daa90bbf5ce55d1c6b5548ba54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "015f353d879c3090af760e85590fb93d25dc89daa90bbf5ce55d1c6b5548ba54", kill_on_drop: false }`
[INFO] [stdout] 015f353d879c3090af760e85590fb93d25dc89daa90bbf5ce55d1c6b5548ba54
