[INFO] fetching crate dlzht-socks5 0.1.0...
[INFO] testing dlzht-socks5-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate dlzht-socks5 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate dlzht-socks5 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate dlzht-socks5 0.1.0
[INFO] tweaked toml for crates.io crate dlzht-socks5 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dlzht-socks5 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate dlzht-socks5 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio v1.39.3
[INFO] [stderr]   Downloaded libc v0.2.157
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3df9747f89cc3103a4d3bd749cb6409ca43dbb0b2fe8089c9f44657d18bb053
[INFO] running `Command { std: "docker" "start" "-a" "c3df9747f89cc3103a4d3bd749cb6409ca43dbb0b2fe8089c9f44657d18bb053", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3df9747f89cc3103a4d3bd749cb6409ca43dbb0b2fe8089c9f44657d18bb053", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3df9747f89cc3103a4d3bd749cb6409ca43dbb0b2fe8089c9f44657d18bb053", kill_on_drop: false }`
[INFO] [stdout] c3df9747f89cc3103a4d3bd749cb6409ca43dbb0b2fe8089c9f44657d18bb053
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54f96f496fe71136e108afd2042edb6585fa3e56311a8409d72d981743da2735
[INFO] running `Command { std: "docker" "start" "-a" "54f96f496fe71136e108afd2042edb6585fa3e56311a8409d72d981743da2735", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.157
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling syn v2.0.75
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling mio v1.0.2
[INFO] [stderr]    Compiling socket2 v0.5.7
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling async-trait v0.1.81
[INFO] [stderr]    Compiling tokio v1.39.3
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling dlzht-socks5 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(io_error_more)]
[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 `dlzht-socks5` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "54f96f496fe71136e108afd2042edb6585fa3e56311a8409d72d981743da2735", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54f96f496fe71136e108afd2042edb6585fa3e56311a8409d72d981743da2735", kill_on_drop: false }`
[INFO] [stdout] 54f96f496fe71136e108afd2042edb6585fa3e56311a8409d72d981743da2735
