[INFO] fetching crate broker-tokio 0.2.16...
[INFO] checking broker-tokio-0.2.16 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate broker-tokio 0.2.16 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate broker-tokio 0.2.16 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate broker-tokio 0.2.16
[INFO] finished tweaking crates.io crate broker-tokio 0.2.16
[INFO] tweaked toml for crates.io crate broker-tokio 0.2.16 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 950d17fa1d190b50b0229d5f2e4b34fe0ba10a46a385673c38ed593deb7ae01e
[INFO] running `Command { std: "docker" "start" "-a" "950d17fa1d190b50b0229d5f2e4b34fe0ba10a46a385673c38ed593deb7ae01e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "950d17fa1d190b50b0229d5f2e4b34fe0ba10a46a385673c38ed593deb7ae01e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "950d17fa1d190b50b0229d5f2e4b34fe0ba10a46a385673c38ed593deb7ae01e", kill_on_drop: false }`
[INFO] [stdout] 950d17fa1d190b50b0229d5f2e4b34fe0ba10a46a385673c38ed593deb7ae01e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8be90c2ba3acbc885a036392a6ae830dd667b83619cc131f2f95b77ab17b11a
[INFO] running `Command { std: "docker" "start" "-a" "a8be90c2ba3acbc885a036392a6ae830dd667b83619cc131f2f95b77ab17b11a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling generator v0.6.25
[INFO] [stderr]     Checking broker-tokio v0.2.16 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `intra_doc_link_resolution_failure` has been removed: use `rustdoc::broken_intra_doc_links` instead
[INFO] [stdout]   --> src/lib.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![deny(intra_doc_link_resolution_failure)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/loom/std/mod.rs:49:44
[INFO] [stdout]    |
[INFO] [stdout] 49 |         pub(crate) use std::sync::atomic::{spin_loop_hint, AtomicBool};
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stdout] warning: field is never read: `spawner`
[INFO] [stdout]   --> src/runtime/handle.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub(super) spawner: Spawner,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `io_handle`
[INFO] [stdout]   --> src/runtime/handle.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub(super) io_handle: io::Handle,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `time_handle`
[INFO] [stdout]   --> src/runtime/handle.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub(super) time_handle: time::Handle,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `clock`
[INFO] [stdout]   --> src/runtime/handle.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub(super) clock: time::Clock,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `blocking_spawner`
[INFO] [stdout]   --> src/runtime/handle.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub(super) blocking_spawner: blocking::Spawner,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `blocking_pool`
[INFO] [stdout]    --> src/runtime/mod.rs:277:5
[INFO] [stdout]     |
[INFO] [stdout] 277 |     blocking_pool: BlockingPool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking tokio-test v0.2.1
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking rusty-fork v0.2.2
[INFO] [stderr]     Checking proptest v0.9.6
[INFO] [stderr]     Checking futures-executor v0.3.17
[INFO] [stderr]     Checking futures v0.3.17
[INFO] [stderr]     Checking loom v0.2.15
[INFO] [stdout] warning: lint `intra_doc_link_resolution_failure` has been removed: use `rustdoc::broken_intra_doc_links` instead
[INFO] [stdout]   --> src/lib.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![deny(intra_doc_link_resolution_failure)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/loom/std/mod.rs:49:44
[INFO] [stdout]    |
[INFO] [stdout] 49 |         pub(crate) use std::sync::atomic::{spin_loop_hint, AtomicBool};
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `spawner`
[INFO] [stdout]   --> src/runtime/handle.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub(super) spawner: Spawner,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `io_handle`
[INFO] [stdout]   --> src/runtime/handle.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub(super) io_handle: io::Handle,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `time_handle`
[INFO] [stdout]   --> src/runtime/handle.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub(super) time_handle: time::Handle,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `clock`
[INFO] [stdout]   --> src/runtime/handle.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub(super) clock: time::Clock,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `blocking_spawner`
[INFO] [stdout]   --> src/runtime/handle.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub(super) blocking_spawner: blocking::Spawner,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `blocking_pool`
[INFO] [stdout]    --> src/runtime/mod.rs:277:5
[INFO] [stdout]     |
[INFO] [stdout] 277 |     blocking_pool: BlockingPool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `backoff`
[INFO] [stdout]  --> src/tests/backoff.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub(crate) fn backoff(n: usize) -> impl Future<Output = ()> {
[INFO] [stdout]   |               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `backoff_clone`
[INFO] [stdout]   --> src/tests/backoff.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub(crate) fn backoff_clone(n: usize) -> impl Future<Output = ()> {
[INFO] [stdout]    |               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `track_drop`
[INFO] [stdout]   --> src/tests/track_drop.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub(crate) fn track_drop<T: Future>(
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_ref`
[INFO] [stdout]   --> src/tests/track_drop.rs:29:19
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub(crate) fn get_ref(&self) -> &T {
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `did_drop_future`
[INFO] [stdout]   --> src/tests/track_drop.rs:50:19
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub(crate) fn did_drop_future(&self) -> bool {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `did_drop_output`
[INFO] [stdout]   --> src/tests/track_drop.rs:54:19
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub(crate) fn did_drop_output(&self) -> bool {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.78s
[INFO] running `Command { std: "docker" "inspect" "a8be90c2ba3acbc885a036392a6ae830dd667b83619cc131f2f95b77ab17b11a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8be90c2ba3acbc885a036392a6ae830dd667b83619cc131f2f95b77ab17b11a", kill_on_drop: false }`
[INFO] [stdout] a8be90c2ba3acbc885a036392a6ae830dd667b83619cc131f2f95b77ab17b11a