[INFO] fetching crate task-collection 0.0.4...
[INFO] testing task-collection-0.0.4 against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] extracting crate task-collection 0.0.4 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate task-collection 0.0.4 on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate task-collection 0.0.4
[INFO] finished tweaking crates.io crate task-collection 0.0.4
[INFO] tweaked toml for crates.io crate task-collection 0.0.4 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 126 packages to latest compatible versions
[INFO] [stderr]       Adding addr2line v0.21.0 (latest: v0.22.0)
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[INFO] [stderr]       Adding fastrand v1.9.0 (latest: v2.1.0)
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[INFO] [stderr]       Adding object v0.32.2 (latest: v0.35.0)
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[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.1+wasi-0.2.0)
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60af8cf8d59a8f5b1fd88bdc1684f3af79c9fff2cb46275bbad10fb757c23ab6
[INFO] running `Command { std: "docker" "start" "-a" "60af8cf8d59a8f5b1fd88bdc1684f3af79c9fff2cb46275bbad10fb757c23ab6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60af8cf8d59a8f5b1fd88bdc1684f3af79c9fff2cb46275bbad10fb757c23ab6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60af8cf8d59a8f5b1fd88bdc1684f3af79c9fff2cb46275bbad10fb757c23ab6", kill_on_drop: false }`
[INFO] [stdout] 60af8cf8d59a8f5b1fd88bdc1684f3af79c9fff2cb46275bbad10fb757c23ab6
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84a0b5bf2fd7661544a268e0495b2197b17718ac23577c357068f85c3bd49bf8
[INFO] running `Command { std: "docker" "start" "-a" "84a0b5bf2fd7661544a268e0495b2197b17718ac23577c357068f85c3bd49bf8", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling task-collection v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `core::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/lib.rs:112:22
[INFO] [stdout]     |
[INFO] [stdout] 112 |                     .compare_and_swap(current_tasks, new_tasks, SeqCst);
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.06s
[INFO] running `Command { std: "docker" "inspect" "84a0b5bf2fd7661544a268e0495b2197b17718ac23577c357068f85c3bd49bf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84a0b5bf2fd7661544a268e0495b2197b17718ac23577c357068f85c3bd49bf8", kill_on_drop: false }`
[INFO] [stdout] 84a0b5bf2fd7661544a268e0495b2197b17718ac23577c357068f85c3bd49bf8
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d24dd2c6faa12451e912a1e785187ca0458d69cbe72220f75f9c0b204cd50a0
[INFO] running `Command { std: "docker" "start" "-a" "2d24dd2c6faa12451e912a1e785187ca0458d69cbe72220f75f9c0b204cd50a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling parking v2.2.0
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling value-bag v1.9.0
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling atomic-waker v1.1.2
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling waker-fn v1.2.0
[INFO] [stderr]    Compiling async-lock v2.8.0
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling futures-lite v2.3.0
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]    Compiling piper v0.2.2
[INFO] [stderr]    Compiling async-fs v1.6.0
[INFO] [stderr]    Compiling futures-executor v0.3.30
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling futures v0.3.30
[INFO] [stdout] warning: use of deprecated method `core::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/lib.rs:112:22
[INFO] [stdout]     |
[INFO] [stdout] 112 |                     .compare_and_swap(current_tasks, new_tasks, SeqCst);
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling event-listener v4.0.3
[INFO] [stderr]    Compiling event-listener v5.3.0
[INFO] [stderr]    Compiling async-executor v1.11.0
[INFO] [stderr]    Compiling event-listener v3.1.0
[INFO] [stderr]    Compiling async-channel v1.9.0
[INFO] [stderr]    Compiling event-listener-strategy v0.4.0
[INFO] [stderr]    Compiling event-listener-strategy v0.5.2
[INFO] [stderr]    Compiling async-lock v3.3.0
[INFO] [stderr]    Compiling async-channel v2.3.1
[INFO] [stderr]    Compiling socket2 v0.4.10
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling socket2 v0.5.7
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling blocking v1.6.0
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling tokio v1.37.0
[INFO] [stderr]    Compiling async-net v1.8.0
[INFO] [stderr]    Compiling polling v3.7.0
[INFO] [stderr]    Compiling async-io v2.3.2
[INFO] [stderr]    Compiling async-signal v0.2.6
[INFO] [stderr]    Compiling async-global-executor v2.4.1
[INFO] [stderr]    Compiling async-process v1.8.1
[INFO] [stderr]    Compiling async-std v1.12.0
[INFO] [stderr]    Compiling smol v1.3.0
[INFO] [stderr]    Compiling task-collection v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `TaskCollection`, `Tracker`
[INFO] [stdout]    --> src/lib.rs:241:17
[INFO] [stdout]     |
[INFO] [stdout] 241 |     use crate::{TaskCollection, Tracker};
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^  ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::panic`
[INFO] [stdout]    --> src/lib.rs:242:9
[INFO] [stdout]     |
[INFO] [stdout] 242 |     use core::panic;
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `smol::future::FutureExt`
[INFO] [stdout]    --> src/lib.rs:243:9
[INFO] [stdout]     |
[INFO] [stdout] 243 |     use smol::future::FutureExt;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]    --> src/lib.rs:244:9
[INFO] [stdout]     |
[INFO] [stdout] 244 |     use std::time::Duration;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/lib.rs:112:22
[INFO] [stdout]     |
[INFO] [stdout] 112 |                     .compare_and_swap(current_tasks, new_tasks, SeqCst);
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.71s
[INFO] running `Command { std: "docker" "inspect" "2d24dd2c6faa12451e912a1e785187ca0458d69cbe72220f75f9c0b204cd50a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d24dd2c6faa12451e912a1e785187ca0458d69cbe72220f75f9c0b204cd50a0", kill_on_drop: false }`
[INFO] [stdout] 2d24dd2c6faa12451e912a1e785187ca0458d69cbe72220f75f9c0b204cd50a0
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e72fa290032555bb73939fbbd1601badab28728f713ebca9d0f877079f8ab03e
[INFO] running `Command { std: "docker" "start" "-a" "e72fa290032555bb73939fbbd1601badab28728f713ebca9d0f877079f8ab03e", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated method `core::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/lib.rs:112:22
[INFO] [stderr]     |
[INFO] [stderr] 112 |                     .compare_and_swap(current_tasks, new_tasks, SeqCst);
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `task-collection` (lib) generated 1 warning
[INFO] [stderr] warning: unused imports: `TaskCollection`, `Tracker`
[INFO] [stderr]    --> src/lib.rs:241:17
[INFO] [stderr]     |
[INFO] [stderr] 241 |     use crate::{TaskCollection, Tracker};
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^  ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `core::panic`
[INFO] [stderr]    --> src/lib.rs:242:9
[INFO] [stderr]     |
[INFO] [stderr] 242 |     use core::panic;
[INFO] [stderr]     |         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `smol::future::FutureExt`
[INFO] [stderr]    --> src/lib.rs:243:9
[INFO] [stderr]     |
[INFO] [stderr] 243 |     use smol::future::FutureExt;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]    --> src/lib.rs:244:9
[INFO] [stderr]     |
[INFO] [stderr] 244 |     use std::time::Duration;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `task-collection` (lib test) generated 5 warnings (1 duplicate) (run `cargo fix --lib -p task-collection --tests` to apply 4 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/task_collection-d40ccef40bc74049)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests task_collection
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 15) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 15) stdout ----
[INFO] [stdout] error[E0277]: the trait bound `&Runtime: Spawner` is not satisfied
[INFO] [stdout]   --> src/lib.rs:33:46
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let collection = TaskCollection::new(&runtime);
[INFO] [stdout]    |                          ------------------- ^^^^^^^^ the trait `Spawner` is not implemented for `&Runtime`
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          required by a bound introduced by this call
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `TaskCollection::<S, ()>::new`
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 |     S: Spawner,
[INFO] [stdout]    |        ^^^^^^^ required by this bound in `TaskCollection::<S, ()>::new`
[INFO] [stdout] ...
[INFO] [stdout] 75 |     pub fn new(spawner: S) -> TaskCollection<S, alloc::sync::Arc<Tracker>> {
[INFO] [stdout]    |            --- required by a bound in this associated function
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `spawn` exists for struct `TaskCollection<&Runtime, Arc<Tracker>>`, but its trait bounds were not satisfied
[INFO] [stdout]   --> src/lib.rs:35:24
[INFO] [stdout]    |
[INFO] [stdout] 22 |             collection.spawn(async move {
[INFO] [stdout]    |             -----------^^^^^ method cannot be called on `TaskCollection<&Runtime, Arc<Tracker>>` due to unsatisfied trait bounds
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `&Runtime: Spawner`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0599.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 15)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.21s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "e72fa290032555bb73939fbbd1601badab28728f713ebca9d0f877079f8ab03e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e72fa290032555bb73939fbbd1601badab28728f713ebca9d0f877079f8ab03e", kill_on_drop: false }`
[INFO] [stdout] e72fa290032555bb73939fbbd1601badab28728f713ebca9d0f877079f8ab03e
[INFO] testing task-collection-0.0.4 against try#b642703cf9526da1e72c0b6755753b939a9c6b6d for pr-125151
[INFO] extracting crate task-collection 0.0.4 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate task-collection 0.0.4 on toolchain b642703cf9526da1e72c0b6755753b939a9c6b6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate task-collection 0.0.4
[INFO] finished tweaking crates.io crate task-collection 0.0.4
[INFO] tweaked toml for crates.io crate task-collection 0.0.4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 126 packages to latest compatible versions
[INFO] [stderr]       Adding addr2line v0.21.0 (latest: v0.22.0)
[INFO] [stderr]       Adding async-channel v1.9.0 (latest: v2.3.1)
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[INFO] [stderr]       Adding linux-raw-sys v0.3.8 (latest: v0.6.4)
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[INFO] [stderr]       Adding object v0.32.2 (latest: v0.35.0)
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[INFO] [stderr]       Adding rustix v0.37.27 (latest: v0.38.34)
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[INFO] [stderr]       Adding socket2 v0.4.10 (latest: v0.5.7)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.1+wasi-0.2.0)
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.52.0)
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[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.5)
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[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.5)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb8672768cf77a14615984b6e44ef7e02befcf11c20f35c7dd1eea54076280b8
[INFO] running `Command { std: "docker" "start" "-a" "cb8672768cf77a14615984b6e44ef7e02befcf11c20f35c7dd1eea54076280b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb8672768cf77a14615984b6e44ef7e02befcf11c20f35c7dd1eea54076280b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb8672768cf77a14615984b6e44ef7e02befcf11c20f35c7dd1eea54076280b8", kill_on_drop: false }`
[INFO] [stdout] cb8672768cf77a14615984b6e44ef7e02befcf11c20f35c7dd1eea54076280b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b7b9583144be14589c9c4ae525c43cda62b2da375500f6835b04a09c4548b37
[INFO] running `Command { std: "docker" "start" "-a" "5b7b9583144be14589c9c4ae525c43cda62b2da375500f6835b04a09c4548b37", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling task-collection v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `core::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/lib.rs:112:22
[INFO] [stdout]     |
[INFO] [stdout] 112 |                     .compare_and_swap(current_tasks, new_tasks, SeqCst);
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.05s
[INFO] running `Command { std: "docker" "inspect" "5b7b9583144be14589c9c4ae525c43cda62b2da375500f6835b04a09c4548b37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b7b9583144be14589c9c4ae525c43cda62b2da375500f6835b04a09c4548b37", kill_on_drop: false }`
[INFO] [stdout] 5b7b9583144be14589c9c4ae525c43cda62b2da375500f6835b04a09c4548b37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b101ead4780d16dfce96d31a895d34debf0a7c5feceae1a352a79a0b5ff08685
[INFO] running `Command { std: "docker" "start" "-a" "b101ead4780d16dfce96d31a895d34debf0a7c5feceae1a352a79a0b5ff08685", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling parking v2.2.0
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling value-bag v1.9.0
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling waker-fn v1.2.0
[INFO] [stderr]    Compiling atomic-waker v1.1.2
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]    Compiling async-lock v2.8.0
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling async-fs v1.6.0
[INFO] [stderr]    Compiling futures-executor v0.3.30
[INFO] [stderr]    Compiling futures-lite v2.3.0
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling piper v0.2.2
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling futures v0.3.30
[INFO] [stdout] warning: use of deprecated method `core::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/lib.rs:112:22
[INFO] [stdout]     |
[INFO] [stdout] 112 |                     .compare_and_swap(current_tasks, new_tasks, SeqCst);
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling event-listener v4.0.3
[INFO] [stderr]    Compiling event-listener v5.3.0
[INFO] [stderr]    Compiling async-channel v1.9.0
[INFO] [stderr]    Compiling event-listener v3.1.0
[INFO] [stderr]    Compiling async-executor v1.11.0
[INFO] [stderr]    Compiling event-listener-strategy v0.5.2
[INFO] [stderr]    Compiling event-listener-strategy v0.4.0
[INFO] [stderr]    Compiling async-lock v3.3.0
[INFO] [stderr]    Compiling async-channel v2.3.1
[INFO] [stderr]    Compiling blocking v1.6.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling socket2 v0.4.10
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling socket2 v0.5.7
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling tokio v1.37.0
[INFO] [stderr]    Compiling async-net v1.8.0
[INFO] [stderr]    Compiling polling v3.7.0
[INFO] [stderr]    Compiling async-io v2.3.2
[INFO] [stderr]    Compiling async-signal v0.2.6
[INFO] [stderr]    Compiling async-global-executor v2.4.1
[INFO] [stderr]    Compiling async-process v1.8.1
[INFO] [stderr]    Compiling async-std v1.12.0
[INFO] [stderr]    Compiling smol v1.3.0
[INFO] [stderr]    Compiling task-collection v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `TaskCollection`, `Tracker`
[INFO] [stdout]    --> src/lib.rs:241:17
[INFO] [stdout]     |
[INFO] [stdout] 241 |     use crate::{TaskCollection, Tracker};
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^  ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::panic`
[INFO] [stdout]    --> src/lib.rs:242:9
[INFO] [stdout]     |
[INFO] [stdout] 242 |     use core::panic;
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `smol::future::FutureExt`
[INFO] [stdout]    --> src/lib.rs:243:9
[INFO] [stdout]     |
[INFO] [stdout] 243 |     use smol::future::FutureExt;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]    --> src/lib.rs:244:9
[INFO] [stdout]     |
[INFO] [stdout] 244 |     use std::time::Duration;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/lib.rs:112:22
[INFO] [stdout]     |
[INFO] [stdout] 112 |                     .compare_and_swap(current_tasks, new_tasks, SeqCst);
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 8.97s
[INFO] running `Command { std: "docker" "inspect" "b101ead4780d16dfce96d31a895d34debf0a7c5feceae1a352a79a0b5ff08685", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b101ead4780d16dfce96d31a895d34debf0a7c5feceae1a352a79a0b5ff08685", kill_on_drop: false }`
[INFO] [stdout] b101ead4780d16dfce96d31a895d34debf0a7c5feceae1a352a79a0b5ff08685
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0232febbc2bf61585513dc431f333c61415173ef8fe887c03087506704b5a2bf
[INFO] running `Command { std: "docker" "start" "-a" "0232febbc2bf61585513dc431f333c61415173ef8fe887c03087506704b5a2bf", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated method `core::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/lib.rs:112:22
[INFO] [stderr]     |
[INFO] [stderr] 112 |                     .compare_and_swap(current_tasks, new_tasks, SeqCst);
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `task-collection` (lib) generated 1 warning
[INFO] [stderr] warning: unused imports: `TaskCollection`, `Tracker`
[INFO] [stderr]    --> src/lib.rs:241:17
[INFO] [stderr]     |
[INFO] [stderr] 241 |     use crate::{TaskCollection, Tracker};
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^  ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `core::panic`
[INFO] [stderr]    --> src/lib.rs:242:9
[INFO] [stderr]     |
[INFO] [stderr] 242 |     use core::panic;
[INFO] [stderr]     |         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `smol::future::FutureExt`
[INFO] [stderr]    --> src/lib.rs:243:9
[INFO] [stderr]     |
[INFO] [stderr] 243 |     use smol::future::FutureExt;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]    --> src/lib.rs:244:9
[INFO] [stderr]     |
[INFO] [stderr] 244 |     use std::time::Duration;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `task-collection` (lib test) generated 5 warnings (1 duplicate) (run `cargo fix --lib -p task-collection --tests` to apply 4 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/task_collection-d40ccef40bc74049)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests task_collection
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 15) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 15) stdout ----
[INFO] [stdout] error[E0277]: the trait bound `&Runtime: Spawner` is not satisfied
[INFO] [stdout]   --> src/lib.rs:33:46
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let collection = TaskCollection::new(&runtime);
[INFO] [stdout]    |                          ------------------- ^^^^^^^^ the trait `Spawner` is not implemented for `&Runtime`
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          required by a bound introduced by this call
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `TaskCollection::<S, ()>::new`
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 |     S: Spawner,
[INFO] [stdout]    |        ^^^^^^^ required by this bound in `TaskCollection::<S, ()>::new`
[INFO] [stdout] ...
[INFO] [stdout] 75 |     pub fn new(spawner: S) -> TaskCollection<S, alloc::sync::Arc<Tracker>> {
[INFO] [stdout]    |            --- required by a bound in this associated function
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `spawn` exists for struct `TaskCollection<&Runtime, Arc<Tracker>>`, but its trait bounds were not satisfied
[INFO] [stdout]   --> src/lib.rs:35:24
[INFO] [stdout]    |
[INFO] [stdout] 22 |             collection.spawn(async move {
[INFO] [stdout]    |             -----------^^^^^ method cannot be called on `TaskCollection<&Runtime, Arc<Tracker>>` due to unsatisfied trait bounds
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `&Runtime: Spawner`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0599.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 15)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "0232febbc2bf61585513dc431f333c61415173ef8fe887c03087506704b5a2bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0232febbc2bf61585513dc431f333c61415173ef8fe887c03087506704b5a2bf", kill_on_drop: false }`
[INFO] [stdout] 0232febbc2bf61585513dc431f333c61415173ef8fe887c03087506704b5a2bf
