[INFO] fetching crate is-prime2 0.1.0...
[INFO] checking is-prime2-0.1.0 against master#82310651b93a594a3fd69015e1562186a080d94c for pr-145770
[INFO] extracting crate is-prime2 0.1.0 into /workspace/builds/worker-6-tc1/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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate is-prime2 0.1.0 on toolchain 82310651b93a594a3fd69015e1562186a080d94c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "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" "+82310651b93a594a3fd69015e1562186a080d94c" "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 228 packages to latest compatible versions
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[INFO] [stderr]       Adding reqwest v0.11.27 (available: v0.12.23)
[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" "+82310651b93a594a3fd69015e1562186a080d94c" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3a5c33695bf3990dbc5fc8fec11ec571b660f5a195118674ab7b8d9dd6f8459
[INFO] running `Command { std: "docker" "start" "-a" "e3a5c33695bf3990dbc5fc8fec11ec571b660f5a195118674ab7b8d9dd6f8459", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3a5c33695bf3990dbc5fc8fec11ec571b660f5a195118674ab7b8d9dd6f8459", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3a5c33695bf3990dbc5fc8fec11ec571b660f5a195118674ab7b8d9dd6f8459", kill_on_drop: false }`
[INFO] [stdout] e3a5c33695bf3990dbc5fc8fec11ec571b660f5a195118674ab7b8d9dd6f8459
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43e4e0a0556fd4f7a697de74a0580eadd8932c73485788a15851d459d4d5b698
[INFO] running `Command { std: "docker" "start" "-a" "43e4e0a0556fd4f7a697de74a0580eadd8932c73485788a15851d459d4d5b698", kill_on_drop: false }`
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[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-1.13.2/src/lib.rs:164:73
[INFO] [stdout]     |
[INFO] [stdout] 164 |     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] [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-1.13.2/src/lib.rs:164:73
[INFO] [stdout]     |
[INFO] [stdout] 164 |     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 test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "43e4e0a0556fd4f7a697de74a0580eadd8932c73485788a15851d459d4d5b698", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43e4e0a0556fd4f7a697de74a0580eadd8932c73485788a15851d459d4d5b698", kill_on_drop: false }`
[INFO] [stdout] 43e4e0a0556fd4f7a697de74a0580eadd8932c73485788a15851d459d4d5b698
