[INFO] fetching crate ppl 0.1.6...
[INFO] testing ppl-0.1.6 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate ppl 0.1.6 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate ppl 0.1.6
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate ppl 0.1.6
[INFO] tweaked toml for crates.io crate ppl 0.1.6 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ppl 0.1.6 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ppl 0.1.6 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.14
[INFO] [stderr]   Downloaded thiserror-impl v1.0.49
[INFO] [stderr]   Downloaded hermit-abi v0.3.3
[INFO] [stderr]   Downloaded ff_buffer v0.1.0
[INFO] [stderr]   Downloaded rand_core v0.9.0
[INFO] [stderr]   Downloaded kanal v0.1.0
[INFO] [stderr]   Downloaded env_logger v0.11.7
[INFO] [stderr]   Downloaded anstream v0.6.11
[INFO] [stderr]   Downloaded thiserror v1.0.49
[INFO] [stderr]   Downloaded scc v2.1.0
[INFO] [stderr]   Downloaded plotters-backend v0.3.5
[INFO] [stderr]   Downloaded ciborium-io v0.2.1
[INFO] [stderr]   Downloaded plotters-svg v0.3.5
[INFO] [stderr]   Downloaded clap_lex v0.5.1
[INFO] [stderr]   Downloaded errno v0.3.3
[INFO] [stderr]   Downloaded ciborium-ll v0.2.1
[INFO] [stderr]   Downloaded smallvec v1.11.1
[INFO] [stderr]   Downloaded fdeflate v0.3.0
[INFO] [stderr]   Downloaded bitflags v2.4.0
[INFO] [stderr]   Downloaded bytemuck v1.14.0
[INFO] [stderr]   Downloaded ciborium v0.2.1
[INFO] [stderr]   Downloaded flate2 v1.0.27
[INFO] [stderr]   Downloaded memchr v2.6.3
[INFO] [stderr]   Downloaded jiff-static v0.2.4
[INFO] [stderr]   Downloaded png v0.17.10
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.14
[INFO] [stderr]   Downloaded clap v4.4.6
[INFO] [stderr]   Downloaded serde_json v1.0.107
[INFO] [stderr]   Downloaded plotters v0.3.5
[INFO] [stderr]   Downloaded aho-corasick v1.1.1
[INFO] [stderr]   Downloaded zerocopy v0.8.14
[INFO] [stderr]   Downloaded clap_builder v4.4.6
[INFO] [stderr]   Downloaded exr v1.71.0
[INFO] [stderr]   Downloaded regex v1.9.6
[INFO] [stderr]   Downloaded rustix v0.38.15
[INFO] [stderr]   Downloaded jiff v0.2.4
[INFO] [stderr]   Downloaded jpeg-decoder v0.3.0
[INFO] [stderr]   Downloaded linux-raw-sys v0.4.8
[INFO] [stderr]   Downloaded tiff v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 79d9c0d4d2f6615ba2c53cd1c3d80f00c599ab26af4c46cb33223833fa42172e
[INFO] running `Command { std: "docker" "start" "79d9c0d4d2f6615ba2c53cd1c3d80f00c599ab26af4c46cb33223833fa42172e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79d9c0d4d2f6615ba2c53cd1c3d80f00c599ab26af4c46cb33223833fa42172e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "79d9c0d4d2f6615ba2c53cd1c3d80f00c599ab26af4c46cb33223833fa42172e" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79d9c0d4d2f6615ba2c53cd1c3d80f00c599ab26af4c46cb33223833fa42172e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "79d9c0d4d2f6615ba2c53cd1c3d80f00c599ab26af4c46cb33223833fa42172e" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling dyn-clone v1.0.19
[INFO] [stderr]    Compiling log v0.4.26
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-channel v0.5.14
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling core_affinity v0.8.3
[INFO] [stderr]    Compiling ppl v0.1.6 (/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(unsized_fn_params)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `let_chains` has been stable since `1.88.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `unsized_fn_params` is internal to the compiler or standard library
[INFO] [stdout]  --> src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(unsized_fn_params)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: using it is strongly discouraged
[INFO] [stdout]   = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `let_chains` has been stable since 1.88.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(let_chains)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::Atomic::<usize>::fetch_update`: renamed to `try_update` for consistency
[INFO] [stdout]    --> src/core/orchestrator.rs:153:40
[INFO] [stdout]     |
[INFO] [stdout] 153 |         let _ = self.available_workers.fetch_update(
[INFO] [stdout]     |                                        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 153 -         let _ = self.available_workers.fetch_update(
[INFO] [stdout] 153 +         let _ = self.available_workers.try_update(
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ppl` (lib) due to 1 previous error; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "79d9c0d4d2f6615ba2c53cd1c3d80f00c599ab26af4c46cb33223833fa42172e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79d9c0d4d2f6615ba2c53cd1c3d80f00c599ab26af4c46cb33223833fa42172e", kill_on_drop: false }`
[INFO] [stdout] 79d9c0d4d2f6615ba2c53cd1c3d80f00c599ab26af4c46cb33223833fa42172e
