[INFO] fetching crate unix-fifo-async 0.0.3... [INFO] testing unix-fifo-async-0.0.3 against 1.90.0 for beta-1.91-3 [INFO] extracting crate unix-fifo-async 0.0.3 into /workspace/builds/worker-6-tc1/source [INFO] started tweaking crates.io crate unix-fifo-async 0.0.3 [INFO] finished tweaking crates.io crate unix-fifo-async 0.0.3 [INFO] tweaked toml for crates.io crate unix-fifo-async 0.0.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate unix-fifo-async 0.0.3 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 unix-fifo-async 0.0.3 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] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded bitflags v1.1.0 [INFO] [stderr] Downloaded cfg-if v0.1.9 [INFO] [stderr] Downloaded pin-utils v0.1.0-alpha.4 [INFO] [stderr] Downloaded num_cpus v1.10.1 [INFO] [stderr] Downloaded mio v0.6.19 [INFO] [stderr] Downloaded futures-executor-preview v0.3.0-alpha.18 [INFO] [stderr] Downloaded async-task v1.0.0 [INFO] [stderr] Downloaded futures-preview v0.3.0-alpha.18 [INFO] [stderr] Downloaded async-std v0.99.3 [INFO] [stderr] Downloaded cc v1.0.40 [INFO] [stderr] Downloaded nix v0.15.0 [INFO] [stderr] Downloaded crossbeam-channel v0.3.9 [INFO] [stderr] Downloaded crossbeam-utils v0.6.6 [INFO] [stderr] Downloaded futures-util-preview v0.3.0-alpha.18 [INFO] [stderr] Downloaded libc v0.2.62 [INFO] [stderr] Downloaded futures-channel-preview v0.3.0-alpha.18 [INFO] [stderr] Downloaded futures-io-preview v0.3.0-alpha.18 [INFO] [stderr] Downloaded futures-timer v0.3.0 [INFO] [stderr] Downloaded lazy_static v1.3.0 [INFO] [stderr] Downloaded memchr v2.2.1 [INFO] [stderr] Downloaded iovec v0.1.2 [INFO] [stderr] Downloaded futures-core-preview v0.3.0-alpha.18 [INFO] [stderr] Downloaded winapi v0.3.7 [INFO] [stderr] Downloaded futures-sink-preview v0.3.0-alpha.18 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 0669b2dd673031f67cd73d7127ee2cb83b3d296e6f9a4380f6b675e980395b09 [INFO] running `Command { std: "docker" "start" "-a" "0669b2dd673031f67cd73d7127ee2cb83b3d296e6f9a4380f6b675e980395b09", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0669b2dd673031f67cd73d7127ee2cb83b3d296e6f9a4380f6b675e980395b09", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0669b2dd673031f67cd73d7127ee2cb83b3d296e6f9a4380f6b675e980395b09", kill_on_drop: false }` [INFO] [stdout] 0669b2dd673031f67cd73d7127ee2cb83b3d296e6f9a4380f6b675e980395b09 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 368aa410f73a525b8f2471c5c8ee7844f0524205792bc5b4e82f9aab5d2cd7b0 [INFO] running `Command { std: "docker" "start" "-a" "368aa410f73a525b8f2471c5c8ee7844f0524205792bc5b4e82f9aab5d2cd7b0", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling futures-core-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling pin-utils v0.1.0-alpha.4 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling futures-io-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling nix v0.15.0 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling futures-sink-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling futures-channel-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling crossbeam-channel v0.3.9 [INFO] [stderr] Compiling async-task v1.0.0 [INFO] [stderr] Compiling futures-util-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling num_cpus v1.10.1 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling mio v0.6.19 [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling futures-executor-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling futures-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling futures-timer v0.3.0 [INFO] [stderr] Compiling async-std v0.99.3 [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/async-std-0.99.3/src/lib.rs:30:1 [INFO] [stdout] | [INFO] [stdout] 30 | #![feature(async_await)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute [INFO] [stdout] | [INFO] [stdout] = help: the feature `async_await` has been stable since `1.39.0` and no longer requires an attribute to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `async-std` (lib) due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "368aa410f73a525b8f2471c5c8ee7844f0524205792bc5b4e82f9aab5d2cd7b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "368aa410f73a525b8f2471c5c8ee7844f0524205792bc5b4e82f9aab5d2cd7b0", kill_on_drop: false }` [INFO] [stdout] 368aa410f73a525b8f2471c5c8ee7844f0524205792bc5b4e82f9aab5d2cd7b0