[INFO] fetching crate implicit-await 0.1.0... [INFO] testing implicit-await-0.1.0 against 1.90.0 for beta-1.91-3 [INFO] extracting crate implicit-await 0.1.0 into /workspace/builds/worker-5-tc1/source [INFO] started tweaking crates.io crate implicit-await 0.1.0 [INFO] finished tweaking crates.io crate implicit-await 0.1.0 [INFO] tweaked toml for crates.io crate implicit-await 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate implicit-await 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 36 packages to latest compatible versions [INFO] [stderr] Adding futures-channel-preview v0.3.0-alpha.18 (available: v0.3.0-alpha.19) [INFO] [stderr] Adding futures-core-preview v0.3.0-alpha.18 (available: v0.3.0-alpha.19) [INFO] [stderr] Adding futures-executor-preview v0.3.0-alpha.18 (available: v0.3.0-alpha.19) [INFO] [stderr] Adding futures-io-preview v0.3.0-alpha.18 (available: v0.3.0-alpha.19) [INFO] [stderr] Adding futures-join-macro-preview v0.3.0-alpha.18 (available: v0.3.0-alpha.19) [INFO] [stderr] Adding futures-preview v0.3.0-alpha.18 (available: v0.3.0-alpha.19) [INFO] [stderr] Adding futures-select-macro-preview v0.3.0-alpha.18 (available: v0.3.0-alpha.19) [INFO] [stderr] Adding futures-sink-preview v0.3.0-alpha.18 (available: v0.3.0-alpha.19) [INFO] [stderr] Adding futures-util-preview v0.3.0-alpha.18 (available: v0.3.0-alpha.19) [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 implicit-await-macro v0.1.0 [INFO] [stderr] Downloaded rand_hc v0.2.0 [INFO] [stderr] Downloaded unicode-xid v0.1.0 [INFO] [stderr] Downloaded rand_chacha v0.2.2 [INFO] [stderr] Downloaded quote v0.6.13 [INFO] [stderr] Downloaded futures-executor-preview v0.3.0-alpha.18 [INFO] [stderr] Downloaded getrandom v0.1.16 [INFO] [stderr] Downloaded futures-channel-preview v0.3.0-alpha.18 [INFO] [stderr] Downloaded rand v0.7.3 [INFO] [stderr] Downloaded futures-io-preview v0.3.0-alpha.18 [INFO] [stderr] Downloaded futures-util-preview v0.3.0-alpha.18 [INFO] [stderr] Downloaded futures-core-preview v0.3.0-alpha.18 [INFO] [stderr] Downloaded proc-macro-hack v0.5.20+deprecated [INFO] [stderr] Downloaded rand_core v0.5.1 [INFO] [stderr] Downloaded syn v0.15.44 [INFO] [stderr] Downloaded futures-preview v0.3.0-alpha.18 [INFO] [stderr] Downloaded futures-join-macro-preview v0.3.0-alpha.18 [INFO] [stderr] Downloaded futures-select-macro-preview v0.3.0-alpha.18 [INFO] [stderr] Downloaded futures-sink-preview v0.3.0-alpha.18 [INFO] [stderr] Downloaded proc-macro-nested v0.1.7 [INFO] [stderr] Downloaded proc-macro2 v0.4.30 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 25457cc8e796c60f02aa473b541eb80be359ae5ece8a3ba6dfca5c1924d38ecf [INFO] running `Command { std: "docker" "start" "-a" "25457cc8e796c60f02aa473b541eb80be359ae5ece8a3ba6dfca5c1924d38ecf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "25457cc8e796c60f02aa473b541eb80be359ae5ece8a3ba6dfca5c1924d38ecf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "25457cc8e796c60f02aa473b541eb80be359ae5ece8a3ba6dfca5c1924d38ecf", kill_on_drop: false }` [INFO] [stdout] 25457cc8e796c60f02aa473b541eb80be359ae5ece8a3ba6dfca5c1924d38ecf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] d5a514dccc941be3f261eda8924b44ce420b4ec751348289530892152ff67578 [INFO] running `Command { std: "docker" "start" "-a" "d5a514dccc941be3f261eda8924b44ce420b4ec751348289530892152ff67578", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling implicit-await-macro v0.1.0 [INFO] [stderr] Compiling implicit-await v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated type alias `std::alloc::LayoutErr`: Name does not follow std convention, use LayoutError [INFO] [stdout] --> src/as_future_core.rs:3:18 [INFO] [stdout] | [INFO] [stdout] 3 | core::alloc::LayoutErr [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.59s [INFO] running `Command { std: "docker" "inspect" "d5a514dccc941be3f261eda8924b44ce420b4ec751348289530892152ff67578", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d5a514dccc941be3f261eda8924b44ce420b4ec751348289530892152ff67578", kill_on_drop: false }` [INFO] [stdout] d5a514dccc941be3f261eda8924b44ce420b4ec751348289530892152ff67578 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ecdd03e6b9c4eb953a2995d202fab8b5e1cada69d1de965a56749ea44ccfd887 [INFO] running `Command { std: "docker" "start" "-a" "ecdd03e6b9c4eb953a2995d202fab8b5e1cada69d1de965a56749ea44ccfd887", kill_on_drop: false }` [INFO] [stderr] Compiling zerocopy v0.8.27 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling proc-macro-hack v0.5.20+deprecated [INFO] [stderr] Compiling futures-core-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Compiling futures-io-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling num_cpus v1.17.0 [INFO] [stdout] warning: use of deprecated type alias `std::alloc::LayoutErr`: Name does not follow std convention, use LayoutError [INFO] [stdout] --> src/as_future_core.rs:3:18 [INFO] [stdout] | [INFO] [stdout] 3 | core::alloc::LayoutErr [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling futures-sink-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling futures-channel-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling futures-join-macro-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling futures-select-macro-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling ppv-lite86 v0.2.21 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling futures-util-preview v0.3.0-alpha.18 [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/futures-util-preview-0.3.0-alpha.18/src/lib.rs:4:38 [INFO] [stdout] | [INFO] [stdout] 4 | #![cfg_attr(feature = "async-await", 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 `futures-util-preview` (lib) due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "ecdd03e6b9c4eb953a2995d202fab8b5e1cada69d1de965a56749ea44ccfd887", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ecdd03e6b9c4eb953a2995d202fab8b5e1cada69d1de965a56749ea44ccfd887", kill_on_drop: false }` [INFO] [stdout] ecdd03e6b9c4eb953a2995d202fab8b5e1cada69d1de965a56749ea44ccfd887