[INFO] fetching crate futures-micro 1.0.0-rc0...
[INFO] testing futures-micro-1.0.0-rc0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate futures-micro 1.0.0-rc0 into /workspace/builds/worker-53/source
[INFO] validating manifest of crates.io crate futures-micro 1.0.0-rc0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futures-micro 1.0.0-rc0
[INFO] finished tweaking crates.io crate futures-micro 1.0.0-rc0
[INFO] tweaked toml for crates.io crate futures-micro 1.0.0-rc0 written to /workspace/builds/worker-53/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b26ace241ade70ed4909d3b7613843e1d2dcef3f29df0e27f3d7223935cf4e49
[INFO] running `Command { std: "docker" "start" "-a" "b26ace241ade70ed4909d3b7613843e1d2dcef3f29df0e27f3d7223935cf4e49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b26ace241ade70ed4909d3b7613843e1d2dcef3f29df0e27f3d7223935cf4e49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b26ace241ade70ed4909d3b7613843e1d2dcef3f29df0e27f3d7223935cf4e49", kill_on_drop: false }`
[INFO] [stdout] b26ace241ade70ed4909d3b7613843e1d2dcef3f29df0e27f3d7223935cf4e49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7cf151e4b8144e2930b21be111fe68c77c8154f8ff32585a1b111eac58451d1
[INFO] running `Command { std: "docker" "start" "-a" "e7cf151e4b8144e2930b21be111fe68c77c8154f8ff32585a1b111eac58451d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling pin-project-lite v0.2.8
[INFO] [stderr]    Compiling futures-micro v1.0.0-rc0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "e7cf151e4b8144e2930b21be111fe68c77c8154f8ff32585a1b111eac58451d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7cf151e4b8144e2930b21be111fe68c77c8154f8ff32585a1b111eac58451d1", kill_on_drop: false }`
[INFO] [stdout] e7cf151e4b8144e2930b21be111fe68c77c8154f8ff32585a1b111eac58451d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9c229946f849058b55f64be55eeb35c5be4b6434df787bb4c61256d0946c928
[INFO] running `Command { std: "docker" "start" "-a" "f9c229946f849058b55f64be55eeb35c5be4b6434df787bb4c61256d0946c928", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling futures-io v0.3.21
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling futures-lite v0.1.11
[INFO] [stderr]    Compiling futures-micro v1.0.0-rc0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> tests/test.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[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 `futures-micro` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f9c229946f849058b55f64be55eeb35c5be4b6434df787bb4c61256d0946c928", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9c229946f849058b55f64be55eeb35c5be4b6434df787bb4c61256d0946c928", kill_on_drop: false }`
[INFO] [stdout] f9c229946f849058b55f64be55eeb35c5be4b6434df787bb4c61256d0946c928