[INFO] fetching crate quiver-qpack 0.1.1...
[INFO] testing quiver-qpack-0.1.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate quiver-qpack 0.1.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate quiver-qpack 0.1.1
[INFO] finished tweaking crates.io crate quiver-qpack 0.1.1
[INFO] tweaked toml for crates.io crate quiver-qpack 0.1.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate quiver-qpack 0.1.1 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 45 packages to latest compatible versions
[INFO] [stderr]       Adding bitstream-io v1.10.0 (available: v4.9.0)
[INFO] [stderr]       Adding phf v0.11.3 (available: v0.13.1)
[INFO] [stderr]       Adding phf_codegen v0.11.3 (available: v0.13.1)
[INFO] [stderr]       Adding phf_shared v0.11.3 (available: v0.13.1)
[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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 15cb19dbe67dbe81d68f82b9ea9fc0436b456aeac212cb0197ca825e2e24e0ec
[INFO] running `Command { std: "docker" "start" "-a" "15cb19dbe67dbe81d68f82b9ea9fc0436b456aeac212cb0197ca825e2e24e0ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15cb19dbe67dbe81d68f82b9ea9fc0436b456aeac212cb0197ca825e2e24e0ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15cb19dbe67dbe81d68f82b9ea9fc0436b456aeac212cb0197ca825e2e24e0ec", kill_on_drop: false }`
[INFO] [stdout] 15cb19dbe67dbe81d68f82b9ea9fc0436b456aeac212cb0197ca825e2e24e0ec
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff0d85d963119a222dc464ac07e02aeae465cc5ca24df687bd8a6ff9de5c812a
[INFO] running `Command { std: "docker" "start" "-a" "ff0d85d963119a222dc464ac07e02aeae465cc5ca24df687bd8a6ff9de5c812a", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitstream-io v1.10.0
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling phf v0.11.3
[INFO] [stderr]    Compiling phf_codegen v0.11.3
[INFO] [stderr]    Compiling quiver-qpack v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling tokio-bitstream-io v0.0.7
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(extract_if)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `extract_if` has been stable since 1.87.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(extract_if)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed for `(_, _)`
[INFO] [stdout]   --> src/decoder.rs:68:26
[INFO] [stdout]    |
[INFO] [stdout] 68 |             .extract_if(|(riq, _)| *riq >= insert_count)
[INFO] [stdout]    |                          ^^^^^^^^  ---- type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving this closure parameter an explicit type, where the placeholders `_` are specified
[INFO] [stdout]    |
[INFO] [stdout] 68 |             .extract_if(|(riq, _): (_, _)| *riq >= insert_count)
[INFO] [stdout]    |                                  ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this method takes 2 arguments but 1 argument was supplied
[INFO] [stdout]   --> src/decoder.rs:68:14
[INFO] [stdout]    |
[INFO] [stdout] 68 |             .extract_if(|(riq, _)| *riq >= insert_count)
[INFO] [stdout]    |              ^^^^^^^^^^--------------------------------- argument #2 is missing
[INFO] [stdout]    |
[INFO] [stdout] note: method defined here
[INFO] [stdout]   --> /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/vec/mod.rs:3970:12
[INFO] [stdout] help: provide the argument
[INFO] [stdout]    |
[INFO] [stdout] 68 |             .extract_if(|(riq, _)| *riq >= insert_count, /* filter */)
[INFO] [stdout]    |                                                        ++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `quiver-qpack` (lib) due to 3 previous errors; 1 warning emitted
[INFO] [stdout] Some errors have detailed explanations: E0061, E0282, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ff0d85d963119a222dc464ac07e02aeae465cc5ca24df687bd8a6ff9de5c812a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff0d85d963119a222dc464ac07e02aeae465cc5ca24df687bd8a6ff9de5c812a", kill_on_drop: false }`
[INFO] [stdout] ff0d85d963119a222dc464ac07e02aeae465cc5ca24df687bd8a6ff9de5c812a