[INFO] fetching crate dynec 0.2.0-alpha.1...
[INFO] documenting dynec-0.2.0-alpha.1 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate dynec 0.2.0-alpha.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate dynec 0.2.0-alpha.1 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate dynec 0.2.0-alpha.1
[INFO] finished tweaking crates.io crate dynec 0.2.0-alpha.1
[INFO] tweaked toml for crates.io crate dynec 0.2.0-alpha.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate dynec 0.2.0-alpha.1 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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded matches2 v1.2.1
[INFO] [stderr]   Downloaded dynec-codegen v0.2.0-alpha.1
[INFO] [stderr]   Downloaded xias v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 966ae68e38c53d7fbca88b91a488c188607ab6c3128485f775284e4635620343
[INFO] running `Command { std: "docker" "start" "-a" "966ae68e38c53d7fbca88b91a488c188607ab6c3128485f775284e4635620343", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "966ae68e38c53d7fbca88b91a488c188607ab6c3128485f775284e4635620343", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "966ae68e38c53d7fbca88b91a488c188607ab6c3128485f775284e4635620343", kill_on_drop: false }`
[INFO] [stdout] 966ae68e38c53d7fbca88b91a488c188607ab6c3128485f775284e4635620343
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac8873efcdfa83344c9415b8fd5b8f4022b82c45b37fd001bc31a3320032a1b1
[INFO] running `Command { std: "docker" "start" "-a" "ac8873efcdfa83344c9415b8fd5b8f4022b82c45b37fd001bc31a3320032a1b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling rayon-core v1.10.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.5
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling matches2 v1.2.1
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking xias v0.3.0
[INFO] [stderr]     Checking rayon v1.6.1
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]    Compiling dynec-codegen v0.2.0-alpha.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/dynec-codegen-0.2.0-alpha.1/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(drain_filter)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dynec-codegen` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "ac8873efcdfa83344c9415b8fd5b8f4022b82c45b37fd001bc31a3320032a1b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac8873efcdfa83344c9415b8fd5b8f4022b82c45b37fd001bc31a3320032a1b1", kill_on_drop: false }`
[INFO] [stdout] ac8873efcdfa83344c9415b8fd5b8f4022b82c45b37fd001bc31a3320032a1b1
