[INFO] fetching crate tokio-lk 0.2.2... [INFO] checking tokio-lk-0.2.2 against master#31be8cc41148983e742fea8f559aacca0f6647db for pr-116494-1 [INFO] extracting crate tokio-lk 0.2.2 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate tokio-lk 0.2.2 on toolchain 31be8cc41148983e742fea8f559aacca0f6647db [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31be8cc41148983e742fea8f559aacca0f6647db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate tokio-lk 0.2.2 [INFO] finished tweaking crates.io crate tokio-lk 0.2.2 [INFO] tweaked toml for crates.io crate tokio-lk 0.2.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31be8cc41148983e742fea8f559aacca0f6647db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31be8cc41148983e742fea8f559aacca0f6647db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded futures-task v0.3.28 [INFO] [stderr] Downloaded const-random v0.1.15 [INFO] [stderr] Downloaded bytes v0.5.6 [INFO] [stderr] Downloaded unicode-ident v1.0.12 [INFO] [stderr] Downloaded lazy_static v1.4.0 [INFO] [stderr] Downloaded pin-project-lite v0.2.13 [INFO] [stderr] Downloaded syn v1.0.109 [INFO] [stderr] Downloaded futures-util v0.3.28 [INFO] [stderr] Downloaded once_cell v1.18.0 [INFO] [stderr] Downloaded crossbeam v0.7.3 [INFO] [stderr] Downloaded proc-macro2 v1.0.69 [INFO] [stderr] Downloaded hashbrown v0.7.2 [INFO] [stderr] Downloaded scopeguard v1.2.0 [INFO] [stderr] Downloaded slab v0.4.9 [INFO] [stderr] Downloaded pin-project-lite v0.1.12 [INFO] [stderr] Downloaded wasi v0.11.0+wasi-snapshot-preview1 [INFO] [stderr] Downloaded maybe-uninit v2.0.0 [INFO] [stderr] Downloaded crossbeam-epoch v0.8.2 [INFO] [stderr] Downloaded quote v1.0.33 [INFO] [stderr] Downloaded libc v0.2.149 [INFO] [stderr] Downloaded crossbeam-channel v0.4.4 [INFO] [stderr] Downloaded futures-channel v0.3.28 [INFO] [stderr] Downloaded tokio v0.2.25 [INFO] [stderr] Downloaded syn v2.0.38 [INFO] [stderr] Downloaded futures v0.3.28 [INFO] [stderr] Downloaded crossbeam-utils v0.7.2 [INFO] [stderr] Downloaded cfg-if v1.0.0 [INFO] [stderr] Downloaded tokio-macros v0.2.6 [INFO] [stderr] Downloaded futures-executor v0.3.28 [INFO] [stderr] Downloaded tiny-keccak v2.0.2 [INFO] [stderr] Downloaded memoffset v0.5.6 [INFO] [stderr] Downloaded crossbeam-queue v0.2.3 [INFO] [stderr] Downloaded cfg-if v0.1.10 [INFO] [stderr] Downloaded crunchy v0.2.2 [INFO] [stderr] Downloaded futures-macro v0.3.28 [INFO] [stderr] Downloaded autocfg v1.1.0 [INFO] [stderr] Downloaded const-random-macro v0.1.15 [INFO] [stderr] Downloaded futures-core v0.3.28 [INFO] [stderr] Downloaded ahash v0.3.8 [INFO] [stderr] Downloaded futures-sink v0.3.28 [INFO] [stderr] Downloaded proc-macro-hack v0.5.20+deprecated [INFO] [stderr] Downloaded futures-io v0.3.28 [INFO] [stderr] Downloaded pin-utils v0.1.0 [INFO] [stderr] Downloaded crossbeam-deque v0.7.4 [INFO] [stderr] Downloaded dashmap v3.11.10 [INFO] [stderr] Downloaded getrandom v0.2.10 [INFO] [stderr] Downloaded memchr v2.6.4 [INFO] [stderr] Downloaded hermit-abi v0.3.3 [INFO] [stderr] Downloaded num_cpus v1.16.0 [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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+31be8cc41148983e742fea8f559aacca0f6647db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] de266f4192def267b18a56d2d7c77f6c684b755714b0788aaa1d1d2b7b3b8e57 [INFO] running `Command { std: "docker" "start" "-a" "de266f4192def267b18a56d2d7c77f6c684b755714b0788aaa1d1d2b7b3b8e57", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "de266f4192def267b18a56d2d7c77f6c684b755714b0788aaa1d1d2b7b3b8e57", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "de266f4192def267b18a56d2d7c77f6c684b755714b0788aaa1d1d2b7b3b8e57", kill_on_drop: false }` [INFO] [stdout] de266f4192def267b18a56d2d7c77f6c684b755714b0788aaa1d1d2b7b3b8e57 [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=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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+31be8cc41148983e742fea8f559aacca0f6647db" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8fbad18fff975d9cb4064675d7a58edf6cebfc621c39a43e27e90ffeefa9334d [INFO] running `Command { std: "docker" "start" "-a" "8fbad18fff975d9cb4064675d7a58edf6cebfc621c39a43e27e90ffeefa9334d", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling proc-macro2 v1.0.69 [INFO] [stderr] Compiling libc v0.2.149 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling futures-core v0.3.28 [INFO] [stderr] Compiling tiny-keccak v2.0.2 [INFO] [stderr] Compiling proc-macro-hack v0.5.20+deprecated [INFO] [stderr] Compiling futures-task v0.3.28 [INFO] [stderr] Compiling futures-channel v0.3.28 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling futures-util v0.3.28 [INFO] [stderr] Compiling once_cell v1.18.0 [INFO] [stderr] Checking futures-sink v0.3.28 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking futures-io v0.3.28 [INFO] [stderr] Checking memchr v2.6.4 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking pin-project-lite v0.2.13 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking pin-project-lite v0.1.12 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling hashbrown v0.7.2 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Compiling syn v2.0.38 [INFO] [stderr] Checking crossbeam-channel v0.4.4 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Compiling getrandom v0.2.10 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Compiling const-random-macro v0.1.15 [INFO] [stderr] Checking crossbeam-deque v0.7.4 [INFO] [stderr] Checking crossbeam v0.7.3 [INFO] [stderr] Checking const-random v0.1.15 [INFO] [stderr] Checking ahash v0.3.8 [INFO] [stderr] Compiling futures-macro v0.3.28 [INFO] [stderr] Compiling tokio-macros v0.2.6 [INFO] [stderr] Checking tokio v0.2.25 [INFO] [stderr] Checking futures-executor v0.3.28 [INFO] [stderr] Checking futures v0.3.28 [INFO] [stderr] Checking tokio-lk v0.2.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:66:18 [INFO] [stdout] | [INFO] [stdout] 66 | #![feature(test, specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:66:18 [INFO] [stdout] | [INFO] [stdout] 66 | #![feature(test, specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.16s [INFO] running `Command { std: "docker" "inspect" "8fbad18fff975d9cb4064675d7a58edf6cebfc621c39a43e27e90ffeefa9334d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8fbad18fff975d9cb4064675d7a58edf6cebfc621c39a43e27e90ffeefa9334d", kill_on_drop: false }` [INFO] [stdout] 8fbad18fff975d9cb4064675d7a58edf6cebfc621c39a43e27e90ffeefa9334d