[INFO] fetching crate rxrust 0.13.0...
[INFO] checking rxrust-0.13.0 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate rxrust 0.13.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate rxrust 0.13.0 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06ae6687f222494a0eb9276f2c03cd157e5c9020663df1b2dfefbf202b268746
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "06ae6687f222494a0eb9276f2c03cd157e5c9020663df1b2dfefbf202b268746", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06ae6687f222494a0eb9276f2c03cd157e5c9020663df1b2dfefbf202b268746", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06ae6687f222494a0eb9276f2c03cd157e5c9020663df1b2dfefbf202b268746", kill_on_drop: false }`
[INFO] [stdout] 06ae6687f222494a0eb9276f2c03cd157e5c9020663df1b2dfefbf202b268746
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b94a1ef03b3321ff5f0dff0afec0ba7f509d4c5da8b9f4e6eeac6e78469696b5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b94a1ef03b3321ff5f0dff0afec0ba7f509d4c5da8b9f4e6eeac6e78469696b5", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo.
[INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously.
[INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html
[INFO] [stderr] When building the following dependencies, the given features will no longer be used:
[INFO] [stderr] 
[INFO] [stderr]   futures-channel v0.3.16: default
[INFO] [stderr]   syn v1.0.75 (as host dependency): visit
[INFO] [stderr] 
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking fastrand v1.5.0
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking event-listener v2.5.1
[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 bencher v0.1.5
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.7
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking socket2 v0.4.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]     Checking crossbeam-utils v0.8.5
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking async-channel v1.6.1
[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]     Checking blocking v1.0.2
[INFO] [stderr]     Checking async-executor v1.4.1
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]     Checking futures-util v0.3.16
[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 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[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 26.52s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]     Checking futures-channel v0.3.16
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]     Checking value-bag v1.0.0-alpha.7
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking futures-util v0.3.16
[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-process v1.2.0
[INFO] [stderr]     Checking async-global-executor v2.0.2
[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 (/tmp/fixit)
[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 20.45s
[INFO] running `Command { std: "docker" "inspect" "b94a1ef03b3321ff5f0dff0afec0ba7f509d4c5da8b9f4e6eeac6e78469696b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b94a1ef03b3321ff5f0dff0afec0ba7f509d4c5da8b9f4e6eeac6e78469696b5", kill_on_drop: false }`
[INFO] [stdout] b94a1ef03b3321ff5f0dff0afec0ba7f509d4c5da8b9f4e6eeac6e78469696b5