[INFO] fetching crate icentral-timer 0.1.0...
[INFO] testing icentral-timer-0.1.0 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate icentral-timer 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate icentral-timer 0.1.0
[INFO] finished tweaking crates.io crate icentral-timer 0.1.0
[INFO] tweaked toml for crates.io crate icentral-timer 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate icentral-timer 0.1.0 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 icentral-timer 0.1.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 7a5eb4a2678d297ce549da2a876ab7a3eb45f6132b195564ecc45d007682536c
[INFO] running `Command { std: "docker" "start" "7a5eb4a2678d297ce549da2a876ab7a3eb45f6132b195564ecc45d007682536c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a5eb4a2678d297ce549da2a876ab7a3eb45f6132b195564ecc45d007682536c", 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" "7a5eb4a2678d297ce549da2a876ab7a3eb45f6132b195564ecc45d007682536c" "/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" "7a5eb4a2678d297ce549da2a876ab7a3eb45f6132b195564ecc45d007682536c", 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" "7a5eb4a2678d297ce549da2a876ab7a3eb45f6132b195564ecc45d007682536c" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling tempfile v3.12.0
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling serde_json v1.0.128
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling delegate v0.10.0
[INFO] [stderr]    Compiling simba v0.7.3
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.13
[INFO] [stderr]    Compiling crossbeam-queue v0.3.11
[INFO] [stderr]    Compiling case v0.1.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling time-macros v0.2.18
[INFO] [stderr]    Compiling derive-error v0.0.5
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling priority-queue v1.4.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling colored v2.1.0
[INFO] [stderr]    Compiling roaring v0.10.6
[INFO] [stderr]    Compiling ordered-float v3.9.2
[INFO] [stderr]    Compiling owned-alloc v0.2.0
[INFO] [stderr]    Compiling pbx v0.1.0
[INFO] [stderr]    Compiling lockfree v0.5.1
[INFO] [stderr]    Compiling nanorand v0.7.0
[INFO] [stderr]    Compiling text_io v0.1.12
[INFO] [stderr]    Compiling queue v0.3.1
[INFO] [stderr]    Compiling matchers v0.1.0
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling tracing-serde v0.1.3
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling regex v1.10.6
[INFO] [stderr]    Compiling time v0.3.36
[INFO] [stderr]    Compiling nalgebra v0.31.4
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling scan-crate-for-typedefs v0.6.0
[INFO] [stderr]    Compiling traced-test v0.3.6
[INFO] [stderr]    Compiling error-tree v0.3.6
[INFO] [stderr]    Compiling icentral-3p v0.1.0
[INFO] [stderr]    Compiling tracing-setup v0.3.6
[INFO] [stderr]    Compiling dachshund v0.1.10
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/dachshund-0.1.10/src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(binary_heap_into_iter_sorted)]
[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 `dachshund` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "7a5eb4a2678d297ce549da2a876ab7a3eb45f6132b195564ecc45d007682536c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a5eb4a2678d297ce549da2a876ab7a3eb45f6132b195564ecc45d007682536c", kill_on_drop: false }`
[INFO] [stdout] 7a5eb4a2678d297ce549da2a876ab7a3eb45f6132b195564ecc45d007682536c
