[INFO] fetching crate tokio-lk 0.2.2... [INFO] building tokio-lk-0.2.2 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2 [INFO] extracting crate tokio-lk 0.2.2 into /workspace/builds/worker-1-tc1/source [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-1-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate tokio-lk 0.2.2 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--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] Locking 48 packages to latest compatible versions [INFO] [stderr] Adding crossbeam v0.7.3 (available: v0.8.4) [INFO] [stderr] Adding dashmap v3.11.10 (available: v6.1.0) [INFO] [stderr] Adding hashbrown v0.7.2 (available: v0.16.0) [INFO] [stderr] Adding tokio v0.2.25 (available: v1.47.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tokio-macros v0.2.6 [INFO] [stderr] Downloaded crossbeam v0.7.3 [INFO] [stderr] Downloaded hashbrown v0.7.2 [INFO] [stderr] Downloaded dashmap v3.11.10 [INFO] [stderr] Downloaded tokio v0.2.25 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2b9e88f3ae712e4eabf47843c4bb21c9077de363010f70e6c27362f30dc5667a [INFO] running `Command { std: "docker" "start" "-a" "2b9e88f3ae712e4eabf47843c4bb21c9077de363010f70e6c27362f30dc5667a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2b9e88f3ae712e4eabf47843c4bb21c9077de363010f70e6c27362f30dc5667a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2b9e88f3ae712e4eabf47843c4bb21c9077de363010f70e6c27362f30dc5667a", kill_on_drop: false }` [INFO] [stdout] 2b9e88f3ae712e4eabf47843c4bb21c9077de363010f70e6c27362f30dc5667a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 022d6d39f36f8cb047cb71199f2f07fffcf49f33a250b56243b4bbe93d1c54d2 [INFO] running `Command { std: "docker" "start" "-a" "022d6d39f36f8cb047cb71199f2f07fffcf49f33a250b56243b4bbe93d1c54d2", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling crunchy v0.2.4 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling tiny-keccak v2.0.2 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling cfg-if v1.0.3 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling once_cell v1.21.3 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling hashbrown v0.7.2 [INFO] [stderr] Compiling bytes v0.5.6 [INFO] [stderr] Compiling pin-project-lite v0.1.12 [INFO] [stderr] Compiling tokio-macros v0.2.6 [INFO] [stderr] Compiling getrandom v0.2.16 [INFO] [stderr] Compiling tokio v0.2.25 [INFO] [stderr] Compiling const-random-macro v0.1.16 [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling const-random v0.1.18 [INFO] [stderr] Compiling ahash v0.3.8 [INFO] [stderr] Compiling crossbeam-queue v0.2.3 [INFO] [stderr] Compiling crossbeam-channel v0.4.4 [INFO] [stderr] Compiling crossbeam-deque v0.7.4 [INFO] [stderr] Compiling crossbeam v0.7.3 [INFO] [stderr] Compiling futures-executor v0.3.31 [INFO] [stderr] Compiling futures v0.3.31 [INFO] [stderr] Compiling 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: trait `AssertSync` is never used [INFO] [stdout] --> src/atomic_serial_waker.rs:32:15 [INFO] [stdout] | [INFO] [stdout] 32 | trait AssertSync: Sync {} [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.77s [INFO] running `Command { std: "docker" "inspect" "022d6d39f36f8cb047cb71199f2f07fffcf49f33a250b56243b4bbe93d1c54d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "022d6d39f36f8cb047cb71199f2f07fffcf49f33a250b56243b4bbe93d1c54d2", kill_on_drop: false }` [INFO] [stdout] 022d6d39f36f8cb047cb71199f2f07fffcf49f33a250b56243b4bbe93d1c54d2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f2ec35c372e9cd29d4eee164d40663ac878f07935371a97fbd69552ea25ff074 [INFO] running `Command { std: "docker" "start" "-a" "f2ec35c372e9cd29d4eee164d40663ac878f07935371a97fbd69552ea25ff074", kill_on_drop: false }` [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: trait `AssertSync` is never used [INFO] [stdout] --> src/atomic_serial_waker.rs:32:15 [INFO] [stdout] | [INFO] [stdout] 32 | trait AssertSync: Sync {} [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling 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: trait `AssertSync` is never used [INFO] [stdout] --> src/atomic_serial_waker.rs:32:15 [INFO] [stdout] | [INFO] [stdout] 32 | trait AssertSync: Sync {} [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.65s [INFO] running `Command { std: "docker" "inspect" "f2ec35c372e9cd29d4eee164d40663ac878f07935371a97fbd69552ea25ff074", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f2ec35c372e9cd29d4eee164d40663ac878f07935371a97fbd69552ea25ff074", kill_on_drop: false }` [INFO] [stdout] f2ec35c372e9cd29d4eee164d40663ac878f07935371a97fbd69552ea25ff074