[INFO] fetching crate pyo3-asyncio-macros 0.20.0...
[INFO] testing pyo3-asyncio-macros-0.20.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate pyo3-asyncio-macros 0.20.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate pyo3-asyncio-macros 0.20.0
[INFO] finished tweaking crates.io crate pyo3-asyncio-macros 0.20.0
[INFO] tweaked toml for crates.io crate pyo3-asyncio-macros 0.20.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pyo3-asyncio-macros 0.20.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.108)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a857fb1246e7d50a8265cc953da01af0d95595c5e3453aab1b2199458bf8f927
[INFO] running `Command { std: "docker" "start" "-a" "a857fb1246e7d50a8265cc953da01af0d95595c5e3453aab1b2199458bf8f927", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a857fb1246e7d50a8265cc953da01af0d95595c5e3453aab1b2199458bf8f927", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a857fb1246e7d50a8265cc953da01af0d95595c5e3453aab1b2199458bf8f927", kill_on_drop: false }`
[INFO] [stdout] a857fb1246e7d50a8265cc953da01af0d95595c5e3453aab1b2199458bf8f927
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90a754a8439092966e68a6ebc8109eaa6ba72b85a276d142291fc3412dc0641a
[INFO] running `Command { std: "docker" "start" "-a" "90a754a8439092966e68a6ebc8109eaa6ba72b85a276d142291fc3412dc0641a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling pyo3-asyncio-macros v0.20.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.33s
[INFO] running `Command { std: "docker" "inspect" "90a754a8439092966e68a6ebc8109eaa6ba72b85a276d142291fc3412dc0641a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90a754a8439092966e68a6ebc8109eaa6ba72b85a276d142291fc3412dc0641a", kill_on_drop: false }`
[INFO] [stdout] 90a754a8439092966e68a6ebc8109eaa6ba72b85a276d142291fc3412dc0641a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea1426e6afc51b462f94cbd3747c846de28cddd835563ec16b138235ccb6bd84
[INFO] running `Command { std: "docker" "start" "-a" "ea1426e6afc51b462f94cbd3747c846de28cddd835563ec16b138235ccb6bd84", kill_on_drop: false }`
[INFO] [stderr]    Compiling pyo3-asyncio-macros v0.20.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `proc_macro::TokenStream`
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use proc_macro::TokenStream;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `quote_spanned` and `quote`
[INFO] [stdout]  --> src/lib.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 | use quote::{quote, quote_spanned};
[INFO] [stdout]   |             ^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `syn::spanned::Spanned`
[INFO] [stdout]  --> src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use syn::spanned::Spanned;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `RuntimeFlavor` is never used
[INFO] [stdout]  --> src/tokio.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum RuntimeFlavor {
[INFO] [stdout]   |      ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_str` is never used
[INFO] [stdout]   --> src/tokio.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl RuntimeFlavor {
[INFO] [stdout]    | ------------------ associated function in this implementation
[INFO] [stdout] 13 |     fn from_str(s: &str) -> Result<RuntimeFlavor, String> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FinalConfig` is never constructed
[INFO] [stdout]   --> src/tokio.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct FinalConfig {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Configuration` is never constructed
[INFO] [stdout]   --> src/tokio.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | struct Configuration {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `set_flavor`, `set_worker_threads`, and `build` are never used
[INFO] [stdout]   --> src/tokio.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl Configuration {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] 38 |     fn new(is_test: bool, rt_multi_thread: bool) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     fn set_flavor(&mut self, runtime: syn::Lit, span: Span) -> Result<(), syn::Error> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     fn set_worker_threads(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 82 |     fn build(&self) -> Result<FinalConfig, syn::Error> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_int` is never used
[INFO] [stdout]    --> src/tokio.rs:110:4
[INFO] [stdout]     |
[INFO] [stdout] 110 | fn parse_int(int: syn::Lit, span: Span, field: &str) -> Result<usize, syn::Error> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_string` is never used
[INFO] [stdout]    --> src/tokio.rs:126:4
[INFO] [stdout]     |
[INFO] [stdout] 126 | fn parse_string(int: syn::Lit, span: Span, field: &str) -> Result<String, syn::Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_knobs` is never used
[INFO] [stdout]    --> src/tokio.rs:137:4
[INFO] [stdout]     |
[INFO] [stdout] 137 | fn parse_knobs(
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "ea1426e6afc51b462f94cbd3747c846de28cddd835563ec16b138235ccb6bd84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea1426e6afc51b462f94cbd3747c846de28cddd835563ec16b138235ccb6bd84", kill_on_drop: false }`
[INFO] [stdout] ea1426e6afc51b462f94cbd3747c846de28cddd835563ec16b138235ccb6bd84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] adb69ec2181f2603c563795ec450760d620131b050084cb88521d00322ff394e
[INFO] running `Command { std: "docker" "start" "-a" "adb69ec2181f2603c563795ec450760d620131b050084cb88521d00322ff394e", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `proc_macro::TokenStream`
[INFO] [stderr]  --> src/lib.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use proc_macro::TokenStream;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `quote_spanned` and `quote`
[INFO] [stderr]  --> src/lib.rs:8:13
[INFO] [stderr]   |
[INFO] [stderr] 8 | use quote::{quote, quote_spanned};
[INFO] [stderr]   |             ^^^^^  ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `syn::spanned::Spanned`
[INFO] [stderr]  --> src/lib.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use syn::spanned::Spanned;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `RuntimeFlavor` is never used
[INFO] [stderr]  --> src/tokio.rs:7:6
[INFO] [stderr]   |
[INFO] [stderr] 7 | enum RuntimeFlavor {
[INFO] [stderr]   |      ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `from_str` is never used
[INFO] [stderr]   --> src/tokio.rs:13:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | impl RuntimeFlavor {
[INFO] [stderr]    | ------------------ associated function in this implementation
[INFO] [stderr] 13 |     fn from_str(s: &str) -> Result<RuntimeFlavor, String> {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `FinalConfig` is never constructed
[INFO] [stderr]   --> src/tokio.rs:25:8
[INFO] [stderr]    |
[INFO] [stderr] 25 | struct FinalConfig {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Configuration` is never constructed
[INFO] [stderr]   --> src/tokio.rs:30:8
[INFO] [stderr]    |
[INFO] [stderr] 30 | struct Configuration {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `set_flavor`, `set_worker_threads`, and `build` are never used
[INFO] [stderr]   --> src/tokio.rs:38:8
[INFO] [stderr]    |
[INFO] [stderr] 37 | impl Configuration {
[INFO] [stderr]    | ------------------ associated items in this implementation
[INFO] [stderr] 38 |     fn new(is_test: bool, rt_multi_thread: bool) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 50 |     fn set_flavor(&mut self, runtime: syn::Lit, span: Span) -> Result<(), syn::Error> {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 62 |     fn set_worker_threads(
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 82 |     fn build(&self) -> Result<FinalConfig, syn::Error> {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `parse_int` is never used
[INFO] [stderr]    --> src/tokio.rs:110:4
[INFO] [stderr]     |
[INFO] [stderr] 110 | fn parse_int(int: syn::Lit, span: Span, field: &str) -> Result<usize, syn::Error> {
[INFO] [stderr]     |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `parse_string` is never used
[INFO] [stderr]    --> src/tokio.rs:126:4
[INFO] [stderr]     |
[INFO] [stderr] 126 | fn parse_string(int: syn::Lit, span: Span, field: &str) -> Result<String, syn::Error> {
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `parse_knobs` is never used
[INFO] [stderr]    --> src/tokio.rs:137:4
[INFO] [stderr]     |
[INFO] [stderr] 137 | fn parse_knobs(
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `pyo3-asyncio-macros` (lib test) generated 11 warnings (run `cargo fix --lib -p pyo3-asyncio-macros --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/pyo3_asyncio_macros-9568e933d96568f3)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pyo3_asyncio_macros
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - async_std_main (line 15) ... ignored
[INFO] [stdout] test src/lib.rs - async_std_test (line 111) ... ignored
[INFO] [stdout] test src/lib.rs - tokio_main (line 76) ... ignored
[INFO] [stdout] test src/lib.rs - tokio_main (line 84) ... ignored
[INFO] [stdout] test src/lib.rs - tokio_main (line 92) ... ignored
[INFO] [stdout] test src/lib.rs - tokio_test (line 208) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 6 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "adb69ec2181f2603c563795ec450760d620131b050084cb88521d00322ff394e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adb69ec2181f2603c563795ec450760d620131b050084cb88521d00322ff394e", kill_on_drop: false }`
[INFO] [stdout] adb69ec2181f2603c563795ec450760d620131b050084cb88521d00322ff394e