[INFO] fetching crate fixity 0.0.1...
[INFO] testing fixity-0.0.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate fixity 0.0.1 into /workspace/builds/worker-0-tc2/source
[INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain
[INFO] started tweaking crates.io crate fixity 0.0.1
[INFO] finished tweaking crates.io crate fixity 0.0.1
[INFO] tweaked toml for crates.io crate fixity 0.0.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fixity 0.0.1 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 202 packages to latest compatible versions
[INFO] [stderr]       Adding aho-corasick v0.7.15 (available: v0.7.20)
[INFO] [stderr]       Adding async-recursion v0.3.2 (available: v1.1.1)
[INFO] [stderr]       Adding backtrace v0.3.59 (available: v0.3.76)
[INFO] [stderr]       Adding blake3 v0.3.8 (available: v1.8.2)
[INFO] [stderr]       Adding borsh v0.9.3 (available: v1.5.7)
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.7.0)
[INFO] [stderr]       Adding env_logger v0.8.4 (available: v0.11.8)
[INFO] [stderr]       Adding fastcdc v1.0.8 (available: v3.2.1)
[INFO] [stderr]       Adding lru v0.6.6 (available: v0.16.1)
[INFO] [stderr]       Adding memchr v2.3.4 (available: v2.7.6)
[INFO] [stderr]       Adding nom v6.2.2 (available: v8.0.0)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding regex v1.4.6 (available: v1.11.3)
[INFO] [stderr]       Adding speedy v0.7.1 (available: v0.8.7)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[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] [stderr]     Blocking waiting for file lock on package cache
[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] 75034906c08044f9e6664b09a856489218df65ce44f233a4ef904a6aa71cff59
[INFO] running `Command { std: "docker" "start" "-a" "75034906c08044f9e6664b09a856489218df65ce44f233a4ef904a6aa71cff59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75034906c08044f9e6664b09a856489218df65ce44f233a4ef904a6aa71cff59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75034906c08044f9e6664b09a856489218df65ce44f233a4ef904a6aa71cff59", kill_on_drop: false }`
[INFO] [stdout] 75034906c08044f9e6664b09a856489218df65ce44f233a4ef904a6aa71cff59
[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] 581af3f066066b2120620bc79f7f45dd636ef34b465f5bb7ac245f6c07cf4382
[INFO] running `Command { std: "docker" "start" "-a" "581af3f066066b2120620bc79f7f45dd636ef34b465f5bb7ac245f6c07cf4382", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling cc v1.2.39
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling data-encoding v2.9.0
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling nom v6.2.2
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling const-str v0.4.3
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling bitvec v0.19.6
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.64
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling base-x v0.2.11
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling fbuzhash v0.0.1
[INFO] [stderr]    Compiling lru v0.6.6
[INFO] [stderr]    Compiling blake3 v0.3.8
[INFO] [stderr]    Compiling dyn-clone v1.0.20
[INFO] [stderr]    Compiling fastcdc v1.0.8
[INFO] [stderr]    Compiling borsh-derive-internal v0.9.3
[INFO] [stderr]    Compiling borsh-schema-derive-internal v0.9.3
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.16
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling data-encoding-macro v0.1.18
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling match-lookup v0.1.1
[INFO] [stderr]    Compiling speedy-derive v0.7.1
[INFO] [stderr]    Compiling async-recursion v0.3.2
[INFO] [stderr]    Compiling base256emoji v1.0.2
[INFO] [stderr]    Compiling multibase v0.9.2
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling speedy v0.7.1
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling cjson v0.1.2
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling borsh-derive v0.9.3
[INFO] [stderr]    Compiling tokio-stream v0.1.17
[INFO] [stderr]    Compiling borsh v0.9.3
[INFO] [stderr]    Compiling fixity v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(generic_associated_types)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `generic_associated_types` has been stable since `1.65.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `generic_associated_types` has been stable since 1.65.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(generic_associated_types)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: missing required bound on `Guard`
[INFO] [stdout]   --> src/core/workspace.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     type Guard<'a>: Guard;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          help: add the required where clause: `where Self: 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this bound is currently required to ensure that impls have maximum flexibility
[INFO] [stdout]    = note: we are soliciting feedback, see issue #87479 <https://github.com/rust-lang/rust/issues/87479> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fixity` (lib) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "581af3f066066b2120620bc79f7f45dd636ef34b465f5bb7ac245f6c07cf4382", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "581af3f066066b2120620bc79f7f45dd636ef34b465f5bb7ac245f6c07cf4382", kill_on_drop: false }`
[INFO] [stdout] 581af3f066066b2120620bc79f7f45dd636ef34b465f5bb7ac245f6c07cf4382
