[INFO] fetching crate websocket-rs 0.1.4...
[INFO] testing websocket-rs-0.1.4 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate websocket-rs 0.1.4 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate websocket-rs 0.1.4
[INFO] finished tweaking crates.io crate websocket-rs 0.1.4
[INFO] tweaked toml for crates.io crate websocket-rs 0.1.4 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate websocket-rs 0.1.4 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 107 packages to highest compatible versions
[INFO] [stderr]       Adding base64 v0.12.3 (available: v0.23.1)
[INFO] [stderr]       Adding bytes v0.5.6 (available: v1.12.1)
[INFO] [stderr]       Adding http v0.2.12 (available: v1.5.0)
[INFO] [stderr]       Adding sha1 v0.6.1 (available: v0.11.0)
[INFO] [stderr]       Adding tokio v0.2.25 (available: v1.53.3)
[INFO] [stderr]       Adding tokio-util v0.3.1 (available: v0.7.20)
[INFO] [stderr]       Adding tracing-subscriber v0.2.25 (available: v0.3.23)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded pin-project-lite v0.1.12
[INFO] [stderr]   Downloaded mio-named-pipes v0.1.7
[INFO] [stderr]   Downloaded tokio-macros v0.2.6
[INFO] [stderr]   Downloaded sha1 v0.6.1
[INFO] [stderr]   Downloaded tokio-util v0.3.1
[INFO] [stderr]   Downloaded miow v0.3.7
[INFO] [stderr]   Downloaded tokio v0.2.25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 359a947aa0be1b45ca51c3a18585df8a048a3169e8b2b67da05fd50dc921be0f
[INFO] running `Command { std: "docker" "start" "359a947aa0be1b45ca51c3a18585df8a048a3169e8b2b67da05fd50dc921be0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "359a947aa0be1b45ca51c3a18585df8a048a3169e8b2b67da05fd50dc921be0f", 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" "359a947aa0be1b45ca51c3a18585df8a048a3169e8b2b67da05fd50dc921be0f" "/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" "359a947aa0be1b45ca51c3a18585df8a048a3169e8b2b67da05fd50dc921be0f", 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" "359a947aa0be1b45ca51c3a18585df8a048a3169e8b2b67da05fd50dc921be0f" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.191
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling log v0.4.34
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling futures-sink v0.3.34
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling lazy_static v1.5.1
[INFO] [stderr]    Compiling futures-macro v0.3.34
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling futures-io v0.3.34
[INFO] [stderr]    Compiling regex-automata v0.4.18
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling thread_local v1.1.10
[INFO] [stderr]    Compiling serde_json v1.0.154
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling futures-channel v0.3.34
[INFO] [stderr]    Compiling smallvec v1.16.3
[INFO] [stderr]    Compiling sha1_smol v1.0.1
[INFO] [stderr]    Compiling tracing-log v0.1.4
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling sha1 v0.6.1
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling futures-util v0.3.34
[INFO] [stderr]    Compiling tracing-serde v0.1.3
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling net2 v0.2.39
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling regex v1.13.1
[INFO] [stderr]    Compiling futures-executor v0.3.34
[INFO] [stderr]    Compiling futures v0.3.34
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling pin-project-internal v1.1.13
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling pin-project v1.1.13
[INFO] [stderr]    Compiling tracing-subscriber v0.2.25
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling websocket-rs v0.1.4 (/opt/rustwide/workdir)
[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(test)]
[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 `websocket-rs` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "359a947aa0be1b45ca51c3a18585df8a048a3169e8b2b67da05fd50dc921be0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "359a947aa0be1b45ca51c3a18585df8a048a3169e8b2b67da05fd50dc921be0f", kill_on_drop: false }`
[INFO] [stdout] 359a947aa0be1b45ca51c3a18585df8a048a3169e8b2b67da05fd50dc921be0f
