[INFO] fetching crate rust_observable 0.2.1...
[INFO] testing rust_observable-0.2.1 against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] extracting crate rust_observable 0.2.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate rust_observable 0.2.1 on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust_observable 0.2.1
[INFO] finished tweaking crates.io crate rust_observable 0.2.1
[INFO] tweaked toml for crates.io crate rust_observable 0.2.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rust_observable_literal v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 21178832394ce546731dd65efed20fba9334ee5b8109e511d6694d341cf9f373
[INFO] running `Command { std: "docker" "start" "-a" "21178832394ce546731dd65efed20fba9334ee5b8109e511d6694d341cf9f373", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21178832394ce546731dd65efed20fba9334ee5b8109e511d6694d341cf9f373", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21178832394ce546731dd65efed20fba9334ee5b8109e511d6694d341cf9f373", kill_on_drop: false }`
[INFO] [stdout] 21178832394ce546731dd65efed20fba9334ee5b8109e511d6694d341cf9f373
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1cca902d412d1acccadc94ede95cd3b2c87ff3622d7f833d1b8194319286b37b
[INFO] running `Command { std: "docker" "start" "-a" "1cca902d412d1acccadc94ede95cd3b2c87ff3622d7f833d1b8194319286b37b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.83
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling rust_observable_literal v0.1.0
[INFO] [stderr]    Compiling rust_observable v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.54s
[INFO] running `Command { std: "docker" "inspect" "1cca902d412d1acccadc94ede95cd3b2c87ff3622d7f833d1b8194319286b37b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cca902d412d1acccadc94ede95cd3b2c87ff3622d7f833d1b8194319286b37b", kill_on_drop: false }`
[INFO] [stdout] 1cca902d412d1acccadc94ede95cd3b2c87ff3622d7f833d1b8194319286b37b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 158d35f739a6b807d3dd5564b84876c34b0ade2b9a533c1354e75ddc5935df61
[INFO] running `Command { std: "docker" "start" "-a" "158d35f739a6b807d3dd5564b84876c34b0ade2b9a533c1354e75ddc5935df61", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_observable v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "158d35f739a6b807d3dd5564b84876c34b0ade2b9a533c1354e75ddc5935df61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "158d35f739a6b807d3dd5564b84876c34b0ade2b9a533c1354e75ddc5935df61", kill_on_drop: false }`
[INFO] [stdout] 158d35f739a6b807d3dd5564b84876c34b0ade2b9a533c1354e75ddc5935df61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 16ffa4d19c7ae096cf365298eecdb6ac0950c439cd8fa7d1b1de5739eb603a59
[INFO] running `Command { std: "docker" "start" "-a" "16ffa4d19c7ae096cf365298eecdb6ac0950c439cd8fa7d1b1de5739eb603a59", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_observable-1271e8115387d6b5)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::subscription ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust_observable
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 17) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 50) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 17) stdout ----
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> src/lib.rs:45:6
[INFO] [stdout]     |
[INFO] [stdout] 31  |     .filter(|value| true)
[INFO] [stdout]     |      ^^^^^^ cannot infer type for type parameter `F` declared on the method `filter`
[INFO] [stdout]     |
[INFO] [stdout]     = note: cannot satisfy `_: rust_observable::SubscriberFunction<String>`
[INFO] [stdout] note: required by a bound in `rust_observable::Observable::<T, Error>::filter`
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:138:16
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn filter<F>(&self, filter_fn: impl Fn(T) -> bool + 'static + Send + Sync) -> Observable<T, Error>
[INFO] [stdout]     |            ------ required by a bound in this associated function
[INFO] [stdout] ...
[INFO] [stdout] 138 |             F: SubscriberFunction<T, Error>,
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Observable::<T, Error>::filter`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 17)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.17s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "16ffa4d19c7ae096cf365298eecdb6ac0950c439cd8fa7d1b1de5739eb603a59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16ffa4d19c7ae096cf365298eecdb6ac0950c439cd8fa7d1b1de5739eb603a59", kill_on_drop: false }`
[INFO] [stdout] 16ffa4d19c7ae096cf365298eecdb6ac0950c439cd8fa7d1b1de5739eb603a59
