[INFO] fetching crate wfqueue 0.2.1...
[INFO] building wfqueue-0.2.1 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate wfqueue 0.2.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate wfqueue 0.2.1
[INFO] finished tweaking crates.io crate wfqueue 0.2.1
[INFO] tweaked toml for crates.io crate wfqueue 0.2.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate wfqueue 0.2.1 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] crate crates.io crate wfqueue 0.2.1 already has a lockfile, it will not be regenerated
[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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded parking_lot_core v0.8.0
[INFO] [stderr]   Downloaded lock_api v0.4.1
[INFO] [stderr]   Downloaded cloudabi v0.1.0
[INFO] [stderr]   Downloaded instant v0.1.6
[INFO] [stderr]   Downloaded smallvec v1.4.2
[INFO] [stderr]   Downloaded parking_lot v0.11.0
[INFO] [stderr]   Downloaded cc v1.0.59
[INFO] [stderr]   Downloaded loom v0.3.5
[INFO] [stderr]   Downloaded log v0.4.11
[INFO] [stderr]   Downloaded generator v0.6.21
[INFO] [stderr]   Downloaded libc v0.2.76
[INFO] [stderr]   Downloaded per-thread-object v0.4.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] cfd6a50dfbc138e14c8723910f6beca0c00db51080a278fa7fa7db9e0041b4c0
[INFO] running `Command { std: "docker" "start" "-a" "cfd6a50dfbc138e14c8723910f6beca0c00db51080a278fa7fa7db9e0041b4c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cfd6a50dfbc138e14c8723910f6beca0c00db51080a278fa7fa7db9e0041b4c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfd6a50dfbc138e14c8723910f6beca0c00db51080a278fa7fa7db9e0041b4c0", kill_on_drop: false }`
[INFO] [stdout] cfd6a50dfbc138e14c8723910f6beca0c00db51080a278fa7fa7db9e0041b4c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 216643668de3a61b24d74fbd2e0092a1e17df08fe22305157c66b4b043247f42
[INFO] running `Command { std: "docker" "start" "-a" "216643668de3a61b24d74fbd2e0092a1e17df08fe22305157c66b4b043247f42", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling instant v0.1.6
[INFO] [stderr]    Compiling smallvec v1.4.2
[INFO] [stderr]    Compiling lock_api v0.4.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.0
[INFO] [stderr]    Compiling parking_lot v0.11.0
[INFO] [stderr]    Compiling per-thread-object v0.4.3
[INFO] [stderr]    Compiling wfqueue v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.34s
[INFO] running `Command { std: "docker" "inspect" "216643668de3a61b24d74fbd2e0092a1e17df08fe22305157c66b4b043247f42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "216643668de3a61b24d74fbd2e0092a1e17df08fe22305157c66b4b043247f42", kill_on_drop: false }`
[INFO] [stdout] 216643668de3a61b24d74fbd2e0092a1e17df08fe22305157c66b4b043247f42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 39a4c63204e93347615b160a79a5ed88fe5dc9cd979a871dc6ac6bf4d22e7af9
[INFO] running `Command { std: "docker" "start" "-a" "39a4c63204e93347615b160a79a5ed88fe5dc9cd979a871dc6ac6bf4d22e7af9", kill_on_drop: false }`
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling wfqueue v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> tests/queue.rs:67:41
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     loom::sync::atomic::spin_loop_hint();
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` 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]   --> tests/queue.rs:83:37
[INFO] [stdout]    |
[INFO] [stdout] 83 |                 loom::sync::atomic::spin_loop_hint();
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]    --> tests/queue.rs:105:41
[INFO] [stdout]     |
[INFO] [stdout] 105 |                     loom::sync::atomic::spin_loop_hint();
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]    --> tests/queue.rs:117:41
[INFO] [stdout]     |
[INFO] [stdout] 117 |                     loom::sync::atomic::spin_loop_hint();
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]    --> tests/queue.rs:132:37
[INFO] [stdout]     |
[INFO] [stdout] 132 |                 loom::sync::atomic::spin_loop_hint();
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]    --> tests/queue.rs:160:41
[INFO] [stdout]     |
[INFO] [stdout] 160 |                     loom::sync::atomic::spin_loop_hint();
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]    --> tests/queue.rs:176:41
[INFO] [stdout]     |
[INFO] [stdout] 176 |                     loom::sync::atomic::spin_loop_hint();
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]    --> tests/queue.rs:193:37
[INFO] [stdout]     |
[INFO] [stdout] 193 |                 loom::sync::atomic::spin_loop_hint();
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> tests/generic_queue.rs:32:44
[INFO] [stdout]    |
[INFO] [stdout] 32 |                         std::sync::atomic::spin_loop_hint();
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` 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]   --> tests/generic_queue.rs:46:44
[INFO] [stdout]    |
[INFO] [stdout] 46 |                 None => std::sync::atomic::spin_loop_hint()
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.75s
[INFO] running `Command { std: "docker" "inspect" "39a4c63204e93347615b160a79a5ed88fe5dc9cd979a871dc6ac6bf4d22e7af9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39a4c63204e93347615b160a79a5ed88fe5dc9cd979a871dc6ac6bf4d22e7af9", kill_on_drop: false }`
[INFO] [stdout] 39a4c63204e93347615b160a79a5ed88fe5dc9cd979a871dc6ac6bf4d22e7af9