[INFO] fetching crate rust_observable 0.2.1... [INFO] testing rust_observable-0.2.1 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [INFO] extracting crate rust_observable 0.2.1 into /workspace/builds/worker-4-tc2/source [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-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate rust_observable 0.2.1 on toolchain b83b707f97d809763b7861afa7638871f3339a33 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "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] Locking 5 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 88d5a56075ac1d34d1a4a9b6fdfe5b2a1ecd825cf0b3bdf1f28b4a01863e6e90 [INFO] running `Command { std: "docker" "start" "-a" "88d5a56075ac1d34d1a4a9b6fdfe5b2a1ecd825cf0b3bdf1f28b4a01863e6e90", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "88d5a56075ac1d34d1a4a9b6fdfe5b2a1ecd825cf0b3bdf1f28b4a01863e6e90", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "88d5a56075ac1d34d1a4a9b6fdfe5b2a1ecd825cf0b3bdf1f28b4a01863e6e90", kill_on_drop: false }` [INFO] [stdout] 88d5a56075ac1d34d1a4a9b6fdfe5b2a1ecd825cf0b3bdf1f28b4a01863e6e90 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4d0f585a3af693bbb232d64283d168689d6c30beddce029da4405b7fa5805a25 [INFO] running `Command { std: "docker" "start" "-a" "4d0f585a3af693bbb232d64283d168689d6c30beddce029da4405b7fa5805a25", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.101 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling rust_observable_literal v0.1.0 [INFO] [stderr] Compiling rust_observable v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:212:51 [INFO] [stdout] | [INFO] [stdout] 212 | type BoxedSubscriberFunction = Arc<(dyn SubscriberFunction)>; [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 212 - type BoxedSubscriberFunction = Arc<(dyn SubscriberFunction)>; [INFO] [stdout] 212 + type BoxedSubscriberFunction = Arc>; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.32s [INFO] running `Command { std: "docker" "inspect" "4d0f585a3af693bbb232d64283d168689d6c30beddce029da4405b7fa5805a25", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d0f585a3af693bbb232d64283d168689d6c30beddce029da4405b7fa5805a25", kill_on_drop: false }` [INFO] [stdout] 4d0f585a3af693bbb232d64283d168689d6c30beddce029da4405b7fa5805a25 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] feb030b0e6d093868f0e82bad19d1153862d87a395c2f60297529d062a55b02b [INFO] running `Command { std: "docker" "start" "-a" "feb030b0e6d093868f0e82bad19d1153862d87a395c2f60297529d062a55b02b", kill_on_drop: false }` [INFO] [stderr] Compiling rust_observable v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:212:51 [INFO] [stdout] | [INFO] [stdout] 212 | type BoxedSubscriberFunction = Arc<(dyn SubscriberFunction)>; [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 212 - type BoxedSubscriberFunction = Arc<(dyn SubscriberFunction)>; [INFO] [stdout] 212 + type BoxedSubscriberFunction = Arc>; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:212:51 [INFO] [stdout] | [INFO] [stdout] 212 | type BoxedSubscriberFunction = Arc<(dyn SubscriberFunction)>; [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 212 - type BoxedSubscriberFunction = Arc<(dyn SubscriberFunction)>; [INFO] [stdout] 212 + type BoxedSubscriberFunction = Arc>; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.58s [INFO] running `Command { std: "docker" "inspect" "feb030b0e6d093868f0e82bad19d1153862d87a395c2f60297529d062a55b02b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "feb030b0e6d093868f0e82bad19d1153862d87a395c2f60297529d062a55b02b", kill_on_drop: false }` [INFO] [stdout] feb030b0e6d093868f0e82bad19d1153862d87a395c2f60297529d062a55b02b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] dea40190a3e97f4f7142566544f43511bc8b92d364fae4bae67b56468fa2fad2 [INFO] running `Command { std: "docker" "start" "-a" "dea40190a3e97f4f7142566544f43511bc8b92d364fae4bae67b56468fa2fad2", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/lib.rs:212:51 [INFO] [stderr] | [INFO] [stderr] 212 | type BoxedSubscriberFunction = Arc<(dyn SubscriberFunction)>; [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 212 - type BoxedSubscriberFunction = Arc<(dyn SubscriberFunction)>; [INFO] [stderr] 212 + type BoxedSubscriberFunction = Arc>; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `rust_observable` (lib) generated 1 warning (run `cargo fix --lib -p rust_observable` to apply 1 suggestion) [INFO] [stderr] warning: `rust_observable` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_observable-78dcd8289e370fb4) [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] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/lib.rs:212:51 [INFO] [stderr] | [INFO] [stderr] 212 | type BoxedSubscriberFunction = Arc<(dyn SubscriberFunction)>; [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 212 - type BoxedSubscriberFunction = Arc<(dyn SubscriberFunction)>; [INFO] [stderr] 212 + type BoxedSubscriberFunction = Arc>; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/lib.rs - (line 17) ... FAILED [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [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` [INFO] [stdout] note: required by a bound in `rust_observable::Observable::::filter` [INFO] [stdout] --> /opt/rustwide/workdir/src/lib.rs:138:16 [INFO] [stdout] | [INFO] [stdout] 135 | pub fn filter(&self, filter_fn: impl Fn(T) -> bool + 'static + Send + Sync) -> Observable [INFO] [stdout] | ------ required by a bound in this associated function [INFO] [stdout] ... [INFO] [stdout] 138 | F: SubscriberFunction, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Observable::::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 0.29s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "dea40190a3e97f4f7142566544f43511bc8b92d364fae4bae67b56468fa2fad2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dea40190a3e97f4f7142566544f43511bc8b92d364fae4bae67b56468fa2fad2", kill_on_drop: false }` [INFO] [stdout] dea40190a3e97f4f7142566544f43511bc8b92d364fae4bae67b56468fa2fad2