[INFO] cloning repository https://github.com/justinwoo/tokio-process-test [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/justinwoo/tokio-process-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustinwoo%2Ftokio-process-test", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustinwoo%2Ftokio-process-test'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5a42b3265e927c5cf86aa806d6382e15bb78e843 [INFO] checking justinwoo/tokio-process-test against 1.95.0 for pr-155915 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustinwoo%2Ftokio-process-test" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/justinwoo/tokio-process-test [INFO] finished tweaking git repo https://github.com/justinwoo/tokio-process-test [INFO] tweaked toml for git repo https://github.com/justinwoo/tokio-process-test written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/justinwoo/tokio-process-test on toolchain 1.95.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/justinwoo/tokio-process-test 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tokio-process v0.3.0-alpha.2 [INFO] [stderr] Downloaded tokio-codec v0.2.0-alpha.2 [INFO] [stderr] Downloaded tokio-sync v0.2.0-alpha.2 [INFO] [stderr] Downloaded mio-named-pipes v0.1.6 [INFO] [stderr] Downloaded futures-sink-preview v0.3.0-alpha.18 [INFO] [stderr] Downloaded futures-core-preview v0.3.0-alpha.18 [INFO] [stderr] Downloaded pin-project-lite v0.1.2 [INFO] [stderr] Downloaded socket2 v0.3.11 [INFO] [stderr] Downloaded bytes v0.5.3 [INFO] [stderr] Downloaded lock_api v0.3.3 [INFO] [stderr] Downloaded miow v0.3.3 [INFO] [stderr] Downloaded tokio-net v0.2.0-alpha.2 [INFO] [stderr] Downloaded tokio-executor v0.2.0-alpha.2 [INFO] [stderr] Downloaded futures-util-preview v0.3.0-alpha.18 [INFO] [stderr] Downloaded tokio-io v0.2.0-alpha.2 [INFO] [stderr] Downloaded tokio v0.2.9 [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3d0a95bcab73227eac0d15c803f542f5e5744d1e1c951c27c5fa7b808a788966 [INFO] running `Command { std: "docker" "start" "-a" "3d0a95bcab73227eac0d15c803f542f5e5744d1e1c951c27c5fa7b808a788966", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3d0a95bcab73227eac0d15c803f542f5e5744d1e1c951c27c5fa7b808a788966", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3d0a95bcab73227eac0d15c803f542f5e5744d1e1c951c27c5fa7b808a788966", kill_on_drop: false }` [INFO] [stdout] 3d0a95bcab73227eac0d15c803f542f5e5744d1e1c951c27c5fa7b808a788966 [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=forbid" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a6130d0592b83b8fb83959b890154ce69d35533f924650c69920607e8126b3bd [INFO] running `Command { std: "docker" "start" "-a" "a6130d0592b83b8fb83959b890154ce69d35533f924650c69920607e8126b3bd", kill_on_drop: false }` [INFO] [stderr] Checking futures-core-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Checking pin-utils v0.1.0-alpha.4 [INFO] [stderr] Compiling memchr v2.3.0 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Checking arc-swap v0.4.4 [INFO] [stderr] Checking tokio-executor v0.2.0-alpha.2 [INFO] [stderr] Checking bytes v0.5.3 [INFO] [stderr] Checking pin-project-lite v0.1.2 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking num_cpus v1.11.1 [INFO] [stderr] Checking parking_lot_core v0.6.2 [INFO] [stderr] Checking lock_api v0.3.3 [INFO] [stderr] Checking futures-util-preview v0.3.0-alpha.18 [INFO] [stderr] Checking futures-sink-preview v0.3.0-alpha.18 [INFO] [stderr] Checking mio v0.6.21 [INFO] [stderr] Checking signal-hook-registry v1.2.0 [INFO] [stderr] Checking parking_lot v0.9.0 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking tokio v0.2.9 [INFO] [stderr] Checking tokio-io v0.2.0-alpha.2 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking tokio-codec v0.2.0-alpha.2 [INFO] [stderr] Checking tokio-sync v0.2.0-alpha.2 [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/tokio-sync-0.2.0-alpha.2/src/lib.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | #![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 `tokio-sync` (lib) due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "a6130d0592b83b8fb83959b890154ce69d35533f924650c69920607e8126b3bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a6130d0592b83b8fb83959b890154ce69d35533f924650c69920607e8126b3bd", kill_on_drop: false }` [INFO] [stdout] a6130d0592b83b8fb83959b890154ce69d35533f924650c69920607e8126b3bd