[INFO] cloning repository https://github.com/jo/microcouch-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jo/microcouch-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjo%2Fmicrocouch-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjo%2Fmicrocouch-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5d6b50a06b2b1793f710aa9b28b3e412a10836af
[INFO] building jo/microcouch-rs against try#f41a2ab7b0d9462073425dd6c04abbeb4805cb77 for pr-97334-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjo%2Fmicrocouch-rs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jo/microcouch-rs on toolchain f41a2ab7b0d9462073425dd6c04abbeb4805cb77
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f41a2ab7b0d9462073425dd6c04abbeb4805cb77" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jo/microcouch-rs
[INFO] finished tweaking git repo https://github.com/jo/microcouch-rs
[INFO] tweaked toml for git repo https://github.com/jo/microcouch-rs written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/jo/microcouch-rs 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" "+f41a2ab7b0d9462073425dd6c04abbeb4805cb77" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+f41a2ab7b0d9462073425dd6c04abbeb4805cb77" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1f1bf82c3d16d43f9bc02ba73e7904349136da6ace56192684ceb42aa8b9037
[INFO] running `Command { std: "docker" "start" "-a" "f1f1bf82c3d16d43f9bc02ba73e7904349136da6ace56192684ceb42aa8b9037", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1f1bf82c3d16d43f9bc02ba73e7904349136da6ace56192684ceb42aa8b9037", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1f1bf82c3d16d43f9bc02ba73e7904349136da6ace56192684ceb42aa8b9037", kill_on_drop: false }`
[INFO] [stdout] f1f1bf82c3d16d43f9bc02ba73e7904349136da6ace56192684ceb42aa8b9037
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+f41a2ab7b0d9462073425dd6c04abbeb4805cb77" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d16612dada28aea350bce0933a7d8de4f36814ff22c74c9e9ad4d7658c335f83
[INFO] running `Command { std: "docker" "start" "-a" "d16612dada28aea350bce0933a7d8de4f36814ff22c74c9e9ad4d7658c335f83", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.38
[INFO] [stderr]    Compiling unicode-xid v0.2.3
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[INFO] [stderr]    Compiling scopeguard v1.1.0
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[INFO] [stderr]    Compiling futures-sink v0.3.21
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[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling lock_api v0.4.7
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[INFO] [stderr]    Compiling form_urlencoded v1.0.1
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[INFO] [stderr]    Compiling http-body v0.4.4
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[INFO] [stderr]    Compiling futures v0.3.21
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[INFO] [stderr]    Compiling tokio-util v0.7.1
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[INFO] [stderr]    Compiling tokio-util v0.6.9
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[INFO] [stderr]    Compiling hyper-tls v0.5.0
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[INFO] [stderr]    Compiling microcouch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: future cannot be sent between threads safely
[INFO] [stdout]    --> src/http_database.rs:159:95
[INFO] [stdout]     |
[INFO] [stdout] 159 |       async fn get_changes(&self, since: Option<String>, batch_size: usize) -> ReplicationBatch {
[INFO] [stdout]     |  _______________________________________________________________________________________________^
[INFO] [stdout] 160 | |         println!(
[INFO] [stdout] 161 | |             "[{}] # get_changes {:?}",
[INFO] [stdout] 162 | |             START_TIME.elapsed().as_millis(),
[INFO] [stdout] ...   |
[INFO] [stdout] 288 | |         }
[INFO] [stdout] 289 | |     }
[INFO] [stdout]     | |_____^ future created by async block is not `Send`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Sync` is not implemented for `dyn for<'a> Fn(&'a str) -> Cow<'_, [u8]>`
[INFO] [stdout] note: future is not `Send` as this value is used across an await
[INFO] [stdout]    --> src/http_database.rs:184:46
[INFO] [stdout]     |
[INFO] [stdout] 169 |         url.query_pairs_mut().append_pair("feed", "normal");
[INFO] [stdout]     |         --------------------------------------------------- has type `&mut url::form_urlencoded::Serializer<'_, UrlQuery<'_>>` which is not `Send`
[INFO] [stdout] ...
[INFO] [stdout] 184 |         let response = client.get(url).send().await;
[INFO] [stdout]     |                                              ^^^^^^ await occurs here, with `url.query_pairs_mut().append_pair("feed", "normal")` maybe used later
[INFO] [stdout] ...
[INFO] [stdout] 289 |     }
[INFO] [stdout]     |     - `url.query_pairs_mut().append_pair("feed", "normal")` is later dropped here
[INFO] [stdout]     = note: required for the cast from `[async block@src/http_database.rs:159:95: 289:6]` to the object type `dyn futures::Future<Output = ReplicationBatch> + std::marker::Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: future cannot be sent between threads safely
[INFO] [stdout]    --> src/http_database.rs:369:79
[INFO] [stdout]     |
[INFO] [stdout] 369 |       async fn get_revs(&self, mut batch: ReplicationBatch) -> ReplicationBatch {
[INFO] [stdout]     |  _______________________________________________________________________________^
[INFO] [stdout] 370 | |         println!(
[INFO] [stdout] 371 | |             "[{}]   # get_revs {}",
[INFO] [stdout] 372 | |             START_TIME.elapsed().as_millis(),
[INFO] [stdout] ...   |
[INFO] [stdout] 479 | |         }
[INFO] [stdout] 480 | |     }
[INFO] [stdout]     | |_____^ future created by async block is not `Send`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Sync` is not implemented for `dyn for<'a> Fn(&'a str) -> Cow<'_, [u8]>`
[INFO] [stdout] note: future is not `Send` as this value is used across an await
[INFO] [stdout]    --> src/http_database.rs:409:75
[INFO] [stdout]     |
[INFO] [stdout] 378 |         url.query_pairs_mut().append_pair("revs", "true");
[INFO] [stdout]     |         ------------------------------------------------- has type `&mut url::form_urlencoded::Serializer<'_, UrlQuery<'_>>` which is not `Send`
[INFO] [stdout] ...
[INFO] [stdout] 409 |                 let response = client.post(url).json(&docs_request).send().await;
[INFO] [stdout]     |                                                                           ^^^^^^ await occurs here, with `url.query_pairs_mut().append_pair("revs", "true")` maybe used later
[INFO] [stdout] ...
[INFO] [stdout] 480 |     }
[INFO] [stdout]     |     - `url.query_pairs_mut().append_pair("revs", "true")` is later dropped here
[INFO] [stdout]     = note: required for the cast from `[async block@src/http_database.rs:369:79: 480:6]` to the object type `dyn futures::Future<Output = ReplicationBatch> + std::marker::Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `microcouch` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "d16612dada28aea350bce0933a7d8de4f36814ff22c74c9e9ad4d7658c335f83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d16612dada28aea350bce0933a7d8de4f36814ff22c74c9e9ad4d7658c335f83", kill_on_drop: false }`
[INFO] [stdout] d16612dada28aea350bce0933a7d8de4f36814ff22c74c9e9ad4d7658c335f83