[INFO] crate desync 0.4.1 is already in cache
[INFO] checking desync-0.4.1 against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] extracting crate desync 0.4.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate desync 0.4.1 on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate desync 0.4.1
[INFO] finished tweaking crates.io crate desync 0.4.1
[INFO] tweaked toml for crates.io crate desync 0.4.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c5b9469686763789b3ca725575b71e93da409d8eab0db1484d2ee910cc22c68c
[INFO] running `"docker" "start" "-a" "c5b9469686763789b3ca725575b71e93da409d8eab0db1484d2ee910cc22c68c"`
[INFO] [stderr]     Checking desync v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused implementer of `futures::Future` that must be used
[INFO] [stderr]   --> tests/scheduler/suspend.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |             scheduler.suspend(&queue);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: futures do nothing unless polled
[INFO] [stderr] 
[INFO] [stderr] warning: unused implementer of `futures::Future` that must be used
[INFO] [stderr]   --> tests/scheduler/suspend.rs:60:9
[INFO] [stderr]    |
[INFO] [stderr] 60 |         scheduler.suspend(&queue);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: futures do nothing unless polled
[INFO] [stderr] 
[INFO] [stderr] warning: unused implementer of `futures::Future` that must be used
[INFO] [stderr]   --> tests/scheduler/suspend.rs:90:13
[INFO] [stderr]    |
[INFO] [stderr] 90 |             scheduler.suspend(&queue);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: futures do nothing unless polled
[INFO] [stderr] 
[INFO] [stderr] warning: unused implementer of `futures::Future` that must be used
[INFO] [stderr]    --> tests/scheduler/suspend.rs:111:9
[INFO] [stderr]     |
[INFO] [stderr] 111 |         scheduler.suspend(&queue);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: futures do nothing unless polled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.72s
[INFO] running `"docker" "inspect" "c5b9469686763789b3ca725575b71e93da409d8eab0db1484d2ee910cc22c68c"`
[INFO] running `"docker" "rm" "-f" "c5b9469686763789b3ca725575b71e93da409d8eab0db1484d2ee910cc22c68c"`
[INFO] [stdout] c5b9469686763789b3ca725575b71e93da409d8eab0db1484d2ee910cc22c68c