[INFO] fetching crate is-prime2 0.1.0...
[INFO] testing is-prime2-0.1.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate is-prime2 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate is-prime2 0.1.0
[INFO] finished tweaking crates.io crate is-prime2 0.1.0
[INFO] tweaked toml for crates.io crate is-prime2 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate is-prime2 0.1.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 214 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.5.1 (available: v0.8.2)
[INFO] [stderr]       Adding itertools v0.10.5 (available: v0.14.0)
[INFO] [stderr]       Adding reqwest v0.11.27 (available: v0.13.2)
[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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ee1600da7fb1cf93a67d7e63ca693bf2de50e0565a36487693640474558842e
[INFO] running `Command { std: "docker" "start" "-a" "1ee1600da7fb1cf93a67d7e63ca693bf2de50e0565a36487693640474558842e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ee1600da7fb1cf93a67d7e63ca693bf2de50e0565a36487693640474558842e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ee1600da7fb1cf93a67d7e63ca693bf2de50e0565a36487693640474558842e", kill_on_drop: false }`
[INFO] [stdout] 1ee1600da7fb1cf93a67d7e63ca693bf2de50e0565a36487693640474558842e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81e1d993b0036ae8f80a1fc05adecb1ec85daba6846e953ce9987d4c7f0de9d8
[INFO] running `Command { std: "docker" "start" "-a" "81e1d993b0036ae8f80a1fc05adecb1ec85daba6846e953ce9987d4c7f0de9d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-lite v2.6.1
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling waker-fn v1.2.0
[INFO] [stderr]    Compiling rustix v0.37.28
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[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 serde v1.0.228
[INFO] [stderr]    Compiling zerocopy-derive v0.8.48
[INFO] [stderr]    Compiling socket2 v0.4.10
[INFO] [stderr]    Compiling futures-task v0.3.32
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]    Compiling sct v0.7.1
[INFO] [stderr]    Compiling rustls-webpki v0.101.7
[INFO] [stderr]    Compiling async-fs v1.6.0
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling event-listener v3.1.0
[INFO] [stderr]    Compiling clap_builder v4.6.0
[INFO] [stderr]    Compiling async-channel v2.5.0
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling is-terminal v0.4.17
[INFO] [stderr]    Compiling webpki-roots v0.25.4
[INFO] [stderr]    Compiling blocking v1.6.2
[INFO] [stderr]    Compiling async-executor v1.14.0
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling h2 v0.3.27
[INFO] [stderr]    Compiling tokio-rustls v0.24.1
[INFO] [stderr]    Compiling clap v4.6.0
[INFO] [stderr]    Compiling async-net v1.8.0
[INFO] [stderr]    Compiling hyper v0.14.32
[INFO] [stderr]    Compiling polling v3.11.0
[INFO] [stderr]    Compiling async-io v2.6.0
[INFO] [stderr]    Compiling async-signal v0.2.14
[INFO] [stderr]    Compiling async-process v1.8.1
[INFO] [stderr]    Compiling smol v1.3.0
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling hyper-rustls v0.24.2
[INFO] [stderr]    Compiling reqwest v0.11.27
[INFO] [stderr]    Compiling is-prime2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: future cannot be sent between threads safely
[INFO] [stdout]    --> src/lib.rs:52:14
[INFO] [stdout]     |
[INFO] [stdout]  52 |             .spawn(async move {
[INFO] [stdout]     |              ^^^^^ future created by async block is not `Send`
[INFO] [stdout]     |
[INFO] [stdout]     = help: within `{async block@src/lib.rs:52:20: 52:30}`, the trait `std::marker::Send` is not implemented for `*mut ()`
[INFO] [stdout] note: future is not `Send` as this value is used across an await
[INFO] [stdout]    --> src/lib.rs:61:26
[INFO] [stdout]     |
[INFO] [stdout]  57 |                 let _e = rt.enter();
[INFO] [stdout]     |                     -- has type `EnterGuard<'_>` which is not `Send`
[INFO] [stdout] ...
[INFO] [stdout]  61 |                         .await
[INFO] [stdout]     |                          ^^^^^ await occurs here, with `_e` maybe used later
[INFO] [stdout] note: required by a bound in `Executor::<'a>::spawn`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/async-executor-1.14.0/src/lib.rs:169:73
[INFO] [stdout]     |
[INFO] [stdout] 169 |     pub fn spawn<T: Send + 'a>(&self, future: impl Future<Output = T> + Send + 'a) -> Task<T> {
[INFO] [stdout]     |                                                                         ^^^^ required by this bound in `Executor::<'a>::spawn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `is-prime2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "81e1d993b0036ae8f80a1fc05adecb1ec85daba6846e953ce9987d4c7f0de9d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81e1d993b0036ae8f80a1fc05adecb1ec85daba6846e953ce9987d4c7f0de9d8", kill_on_drop: false }`
[INFO] [stdout] 81e1d993b0036ae8f80a1fc05adecb1ec85daba6846e953ce9987d4c7f0de9d8