[INFO] cloning repository https://github.com/leo-lb/hyper-async-std [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/leo-lb/hyper-async-std" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleo-lb%2Fhyper-async-std", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleo-lb%2Fhyper-async-std'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d135cbb13f402d3112a67a91eff359e60c0fbd4b [INFO] checking leo-lb/hyper-async-std against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleo-lb%2Fhyper-async-std" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/leo-lb/hyper-async-std on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/leo-lb/hyper-async-std [INFO] finished tweaking git repo https://github.com/leo-lb/hyper-async-std [INFO] tweaked toml for git repo https://github.com/leo-lb/hyper-async-std written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/leo-lb/hyper-async-std already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating git repository `https://github.com/leo-lb/tokio-compat.git` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded async-task v1.2.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9cde2a8b616e4540ca456ba58317770c2bc746326dea2c36488d30576e7a2ab4 [INFO] running `Command { std: "docker" "start" "-a" "9cde2a8b616e4540ca456ba58317770c2bc746326dea2c36488d30576e7a2ab4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9cde2a8b616e4540ca456ba58317770c2bc746326dea2c36488d30576e7a2ab4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9cde2a8b616e4540ca456ba58317770c2bc746326dea2c36488d30576e7a2ab4", kill_on_drop: false }` [INFO] [stdout] 9cde2a8b616e4540ca456ba58317770c2bc746326dea2c36488d30576e7a2ab4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c04b036f215e6dd1f5556a92424ce5a5661fd641eaefddef72b6c6841ee40b8d [INFO] running `Command { std: "docker" "start" "-a" "c04b036f215e6dd1f5556a92424ce5a5661fd641eaefddef72b6c6841ee40b8d", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.13 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking futures v0.1.29 [INFO] [stderr] Compiling memchr v2.3.0 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking futures-core v0.3.1 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling proc-macro-nested v0.1.3 [INFO] [stderr] Checking pin-utils v0.1.0-alpha.4 [INFO] [stderr] Checking futures-sink v0.3.1 [INFO] [stderr] Checking futures-io v0.3.1 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking futures-task v0.3.1 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Checking futures-timer v2.0.2 [INFO] [stderr] Checking once_cell v1.2.0 [INFO] [stderr] Checking tower-service v0.3.0 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking lock_api v0.3.3 [INFO] [stderr] Checking log v0.4.8 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking async-task v1.2.1 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Checking crossbeam-channel v0.4.0 [INFO] [stderr] Compiling proc-macro2 v1.0.7 [INFO] [stderr] Checking http v0.2.0 [INFO] [stderr] Checking futures-channel v0.3.1 [INFO] [stderr] Checking mio v0.6.21 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking kv-log-macro v1.0.4 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking tokio v0.2.9 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking tokio-executor v0.1.9 [INFO] [stderr] Checking tokio-sync v0.1.7 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking tokio-timer v0.2.12 [INFO] [stderr] Checking tokio-current-thread v0.1.6 [INFO] [stderr] Checking http-body v0.3.1 [INFO] [stderr] Checking tokio-reactor v0.1.11 [INFO] [stderr] Checking tokio-util v0.2.0 [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Compiling pin-project-internal v0.4.6 [INFO] [stderr] Compiling async-attributes v1.1.1 [INFO] [stderr] Checking async-std v1.4.0 [INFO] [stderr] Compiling futures-macro v0.3.1 [INFO] [stderr] Checking futures-util v0.3.1 [INFO] [stderr] Checking pin-project v0.4.6 [INFO] [stderr] Checking h2 v0.2.1 [INFO] [stderr] Checking tokio-compat v0.1.2 (https://github.com/leo-lb/tokio-compat.git#2d8033c8) [INFO] [stderr] Checking hyper v0.13.1 [INFO] [stderr] Checking hyper-async-std v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable [INFO] [stdout] --> src/main.rs:93:19 [INFO] [stdout] | [INFO] [stdout] 93 | type Future = impl Future>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #63063 for more information [INFO] [stdout] = help: add `#![feature(min_type_alias_impl_trait)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `type_alias_impl_trait` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(type_alias_impl_trait)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #63063 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable [INFO] [stdout] --> src/main.rs:93:19 [INFO] [stdout] | [INFO] [stdout] 93 | type Future = impl Future>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #63063 for more information [INFO] [stdout] = help: add `#![feature(min_type_alias_impl_trait)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `type_alias_impl_trait` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(type_alias_impl_trait)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #63063 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0658`. [INFO] [stdout] [INFO] [stderr] error: could not compile `hyper-async-std` due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0658`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "c04b036f215e6dd1f5556a92424ce5a5661fd641eaefddef72b6c6841ee40b8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c04b036f215e6dd1f5556a92424ce5a5661fd641eaefddef72b6c6841ee40b8d", kill_on_drop: false }` [INFO] [stdout] c04b036f215e6dd1f5556a92424ce5a5661fd641eaefddef72b6c6841ee40b8d