[INFO] fetching crate task-collection 0.0.4...
[INFO] building task-collection-0.0.4 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate task-collection 0.0.4 into /workspace/builds/worker-1-tc2/source
[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-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate task-collection 0.0.4 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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 126 packages to latest compatible versions
[INFO] [stderr]       Adding smol v1.3.0 (available: v2.0.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 683b59e263a0ea14edc63c5958ec0357be024c993852698cd8779c6862c8022d
[INFO] running `Command { std: "docker" "start" "-a" "683b59e263a0ea14edc63c5958ec0357be024c993852698cd8779c6862c8022d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "683b59e263a0ea14edc63c5958ec0357be024c993852698cd8779c6862c8022d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "683b59e263a0ea14edc63c5958ec0357be024c993852698cd8779c6862c8022d", kill_on_drop: false }`
[INFO] [stdout] 683b59e263a0ea14edc63c5958ec0357be024c993852698cd8779c6862c8022d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c8555bc30a42ac93c00e7a865d4120ecc4b6cbc7fbb7511efa821c072ad1913
[INFO] running `Command { std: "docker" "start" "-a" "7c8555bc30a42ac93c00e7a865d4120ecc4b6cbc7fbb7511efa821c072ad1913", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling futures-util v0.3.31
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.00s
[INFO] running `Command { std: "docker" "inspect" "7c8555bc30a42ac93c00e7a865d4120ecc4b6cbc7fbb7511efa821c072ad1913", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c8555bc30a42ac93c00e7a865d4120ecc4b6cbc7fbb7511efa821c072ad1913", kill_on_drop: false }`
[INFO] [stdout] 7c8555bc30a42ac93c00e7a865d4120ecc4b6cbc7fbb7511efa821c072ad1913
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d2459545fa0c0a08cb6e5ed407cc59c430e5f1c20895fa82bf669f0ab1a429e
[INFO] running `Command { std: "docker" "start" "-a" "7d2459545fa0c0a08cb6e5ed407cc59c430e5f1c20895fa82bf669f0ab1a429e", kill_on_drop: false }`
[INFO] [stderr]    Compiling parking v2.2.1
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling value-bag v1.11.1
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling async-io v2.6.0
[INFO] [stderr]    Compiling futures-lite v2.6.1
[INFO] [stderr]    Compiling async-task v4.7.1
[INFO] [stderr]    Compiling atomic-waker v1.1.2
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling piper v0.2.4
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling rustix v0.37.28
[INFO] [stderr]    Compiling waker-fn v1.2.0
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]    Compiling async-channel v2.5.0
[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 rustix v0.38.44
[INFO] [stderr]    Compiling async-fs v1.6.0
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling blocking v1.6.2
[INFO] [stderr]    Compiling async-executor v1.13.3
[INFO] [stderr]    Compiling async-lock v3.4.1
[INFO] [stderr]    Compiling async-channel v1.9.0
[INFO] [stderr]    Compiling event-listener v3.1.0
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling futures v0.3.31
[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] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling socket2 v0.4.10
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling polling v3.11.0
[INFO] [stderr]    Compiling async-signal v0.2.13
[INFO] [stderr]    Compiling async-global-executor v2.4.1
[INFO] [stderr]    Compiling async-net v1.8.0
[INFO] [stderr]    Compiling async-process v1.8.1
[INFO] [stderr]    Compiling async-std v1.13.2
[INFO] [stderr]    Compiling smol v1.3.0
[INFO] [stderr]    Compiling task-collection v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `TaskCollection` and `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)]` (part of `#[warn(unused)]`) 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 45.28s
[INFO] running `Command { std: "docker" "inspect" "7d2459545fa0c0a08cb6e5ed407cc59c430e5f1c20895fa82bf669f0ab1a429e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d2459545fa0c0a08cb6e5ed407cc59c430e5f1c20895fa82bf669f0ab1a429e", kill_on_drop: false }`
[INFO] [stdout] 7d2459545fa0c0a08cb6e5ed407cc59c430e5f1c20895fa82bf669f0ab1a429e