[INFO] fetching crate rxrust 0.13.0...
[INFO] checking rxrust-0.13.0 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate rxrust 0.13.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rxrust 0.13.0 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rxrust 0.13.0
[INFO] finished tweaking crates.io crate rxrust 0.13.0
[INFO] tweaked toml for crates.io crate rxrust 0.13.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0aa7b8285c9e0e855355430d8641a9b823669cfde3d1c9b9f79b4933b352de55
[INFO] running `Command { std: "docker" "start" "-a" "0aa7b8285c9e0e855355430d8641a9b823669cfde3d1c9b9f79b4933b352de55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0aa7b8285c9e0e855355430d8641a9b823669cfde3d1c9b9f79b4933b352de55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0aa7b8285c9e0e855355430d8641a9b823669cfde3d1c9b9f79b4933b352de55", kill_on_drop: false }`
[INFO] [stdout] 0aa7b8285c9e0e855355430d8641a9b823669cfde3d1c9b9f79b4933b352de55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3682d51de02786612deb378d01d39e645f69af686875a293224e9e11768937d2
[INFO] running `Command { std: "docker" "start" "-a" "3682d51de02786612deb378d01d39e645f69af686875a293224e9e11768937d2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking futures-io v0.3.16
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking fastrand v1.5.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]    Compiling signal-hook v0.3.9
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.7
[INFO] [stderr]     Checking socket2 v0.4.1
[INFO] [stderr]     Checking futures-channel v0.3.16
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking async-lock v2.4.0
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking async-executor v1.4.1
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking polling v2.1.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking async-io v1.6.0
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking async-process v1.2.0
[INFO] [stderr]     Checking async-std v1.9.0
[INFO] [stderr]     Checking futures-executor v0.3.16
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stderr]     Checking rxrust v0.13.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused attribute `inline`
[INFO] [stdout]    --> src/observable/trivial.rs:113:3
[INFO] [stdout]     |
[INFO] [stdout] 113 |   #[inline]
[INFO] [stdout]     |   ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] note: the built-in attribute `inline` will be ignored, since it's applied to the macro invocation `never_emitter`
[INFO] [stdout]    --> src/observable/trivial.rs:114:3
[INFO] [stdout]     |
[INFO] [stdout] 114 |   never_emitter!(LocalSubscription, 'a);
[INFO] [stdout]     |   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute `inline`
[INFO] [stdout]    --> src/observable/trivial.rs:118:3
[INFO] [stdout]     |
[INFO] [stdout] 118 |   #[inline]
[INFO] [stdout]     |   ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the built-in attribute `inline` will be ignored, since it's applied to the macro invocation `never_emitter`
[INFO] [stdout]    --> src/observable/trivial.rs:119:3
[INFO] [stdout]     |
[INFO] [stdout] 119 |   never_emitter!(SharedSubscription, Send + Sync + 'static);
[INFO] [stdout]     |   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute `inline`
[INFO] [stdout]    --> src/observable/trivial.rs:113:3
[INFO] [stdout]     |
[INFO] [stdout] 113 |   #[inline]
[INFO] [stdout]     |   ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] note: the built-in attribute `inline` will be ignored, since it's applied to the macro invocation `never_emitter`
[INFO] [stdout]    --> src/observable/trivial.rs:114:3
[INFO] [stdout]     |
[INFO] [stdout] 114 |   never_emitter!(LocalSubscription, 'a);
[INFO] [stdout]     |   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute `inline`
[INFO] [stdout]    --> src/observable/trivial.rs:118:3
[INFO] [stdout]     |
[INFO] [stdout] 118 |   #[inline]
[INFO] [stdout]     |   ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the built-in attribute `inline` will be ignored, since it's applied to the macro invocation `never_emitter`
[INFO] [stdout]    --> src/observable/trivial.rs:119:3
[INFO] [stdout]     |
[INFO] [stdout] 119 |   never_emitter!(SharedSubscription, Send + Sync + 'static);
[INFO] [stdout]     |   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.19s
[INFO] running `Command { std: "docker" "inspect" "3682d51de02786612deb378d01d39e645f69af686875a293224e9e11768937d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3682d51de02786612deb378d01d39e645f69af686875a293224e9e11768937d2", kill_on_drop: false }`
[INFO] [stdout] 3682d51de02786612deb378d01d39e645f69af686875a293224e9e11768937d2