[INFO] fetching crate yrs-warp 0.7.0...
[INFO] checking yrs-warp-0.7.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate yrs-warp 0.7.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate yrs-warp 0.7.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate yrs-warp 0.7.0
[INFO] finished tweaking crates.io crate yrs-warp 0.7.0
[INFO] tweaked toml for crates.io crate yrs-warp 0.7.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate yrs-warp 0.7.0 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--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]  Downloading crates ...
[INFO] [stderr]   Downloaded y-sync v0.4.0
[INFO] [stderr]   Downloaded smallstr v0.3.0
[INFO] [stderr]   Downloaded yrs v0.17.1
[INFO] [stderr]   Downloaded warp v0.3.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ecf3f4d9ec48eca8331e609425a070f7b67c7f7da3d66eab844de4e0079f6c8f
[INFO] running `Command { std: "docker" "start" "-a" "ecf3f4d9ec48eca8331e609425a070f7b67c7f7da3d66eab844de4e0079f6c8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ecf3f4d9ec48eca8331e609425a070f7b67c7f7da3d66eab844de4e0079f6c8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecf3f4d9ec48eca8331e609425a070f7b67c7f7da3d66eab844de4e0079f6c8f", kill_on_drop: false }`
[INFO] [stdout] ecf3f4d9ec48eca8331e609425a070f7b67c7f7da3d66eab844de4e0079f6c8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ea5e78f7f64e55fe28388ad650e4ef9c4ca6487b058f6b15cd641b9e3b7e12a
[INFO] running `Command { std: "docker" "start" "-a" "1ea5e78f7f64e55fe28388ad650e4ef9c4ca6487b058f6b15cd641b9e3b7e12a", kill_on_drop: false }`
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[INFO] [stderr]    Compiling serde v1.0.192
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[INFO] [stderr]    Compiling serde_derive v1.0.192
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[INFO] [stderr]     Checking yrs-warp v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `server`
[INFO] [stdout]    --> src/ws.rs:380:13
[INFO] [stdout]     |
[INFO] [stdout] 380 |         let server = start_server("0.0.0.0:6600", Arc::new(bcast)).await?;
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_server`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sub`
[INFO] [stdout]    --> src/ws.rs:383:17
[INFO] [stdout]     |
[INFO] [stdout] 383 |         let (n, sub) = create_notifier(&doc);
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_sub`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `server`
[INFO] [stdout]    --> src/ws.rs:413:13
[INFO] [stdout]     |
[INFO] [stdout] 413 |         let server = start_server("0.0.0.0:6601", Arc::new(bcast)).await?;
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_server`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sub`
[INFO] [stdout]    --> src/ws.rs:416:17
[INFO] [stdout]     |
[INFO] [stdout] 416 |         let (n, sub) = create_notifier(&doc);
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_sub`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `text`
[INFO] [stdout]    --> src/ws.rs:435:13
[INFO] [stdout]     |
[INFO] [stdout] 435 |         let text = doc.get_or_insert_text("test");
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_text`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `server`
[INFO] [stdout]    --> src/ws.rs:439:13
[INFO] [stdout]     |
[INFO] [stdout] 439 |         let server = start_server("0.0.0.0:6602", Arc::new(bcast)).await?;
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_server`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sub11`
[INFO] [stdout]    --> src/ws.rs:444:13
[INFO] [stdout]     |
[INFO] [stdout] 444 |         let sub11 = {
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_sub11`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sub2`
[INFO] [stdout]    --> src/ws.rs:464:18
[INFO] [stdout]     |
[INFO] [stdout] 464 |         let (n2, sub2) = create_notifier(&d2);
[INFO] [stdout]     |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_sub2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txn`
[INFO] [stdout]    --> src/ws.rs:448:41
[INFO] [stdout]     |
[INFO] [stdout] 448 |             doc.observe_update_v1(move |txn, e| {
[INFO] [stdout]     |                                         ^^^ help: if this is intentional, prefix it with an underscore: `_txn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `text`
[INFO] [stdout]    --> src/ws.rs:490:13
[INFO] [stdout]     |
[INFO] [stdout] 490 |         let text = doc.get_or_insert_text("test");
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_text`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `server`
[INFO] [stdout]    --> src/ws.rs:494:13
[INFO] [stdout]     |
[INFO] [stdout] 494 |         let server = start_server("0.0.0.0:6603", Arc::new(bcast)).await?;
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_server`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sub11`
[INFO] [stdout]    --> src/ws.rs:499:13
[INFO] [stdout]     |
[INFO] [stdout] 499 |         let sub11 = {
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_sub11`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sub2`
[INFO] [stdout]    --> src/ws.rs:561:18
[INFO] [stdout]     |
[INFO] [stdout] 561 |         let (n2, sub2) = {
[INFO] [stdout]     |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_sub2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txn`
[INFO] [stdout]    --> src/ws.rs:503:41
[INFO] [stdout]     |
[INFO] [stdout] 503 |             doc.observe_update_v1(move |txn, e| {
[INFO] [stdout]     |                                         ^^^ help: if this is intentional, prefix it with an underscore: `_txn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.99s
[INFO] running `Command { std: "docker" "inspect" "1ea5e78f7f64e55fe28388ad650e4ef9c4ca6487b058f6b15cd641b9e3b7e12a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ea5e78f7f64e55fe28388ad650e4ef9c4ca6487b058f6b15cd641b9e3b7e12a", kill_on_drop: false }`
[INFO] [stdout] 1ea5e78f7f64e55fe28388ad650e4ef9c4ca6487b058f6b15cd641b9e3b7e12a