[INFO] fetching crate jrpc-macro 1.0.0...
[INFO] testing jrpc-macro-1.0.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate jrpc-macro 1.0.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate jrpc-macro 1.0.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jrpc-macro 1.0.0
[INFO] finished tweaking crates.io crate jrpc-macro 1.0.0
[INFO] tweaked toml for crates.io crate jrpc-macro 1.0.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23cb80d4cc3cebb7d7c0076ce88cd7e9753fc11aade761057320d9851eeb1d38
[INFO] running `Command { std: "docker" "start" "-a" "23cb80d4cc3cebb7d7c0076ce88cd7e9753fc11aade761057320d9851eeb1d38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23cb80d4cc3cebb7d7c0076ce88cd7e9753fc11aade761057320d9851eeb1d38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23cb80d4cc3cebb7d7c0076ce88cd7e9753fc11aade761057320d9851eeb1d38", kill_on_drop: false }`
[INFO] [stdout] 23cb80d4cc3cebb7d7c0076ce88cd7e9753fc11aade761057320d9851eeb1d38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03b995a96a1dabe0b106af6c74c34929b938ed849fdef9b0df5dc0948700573f
[INFO] running `Command { std: "docker" "start" "-a" "03b995a96a1dabe0b106af6c74c34929b938ed849fdef9b0df5dc0948700573f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling jrpc-macro v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `attrs`
[INFO] [stdout]    --> src/lib.rs:533:35
[INFO] [stdout]     |
[INFO] [stdout] 533 | fn rpc_param_name(pat: &syn::Pat, attrs: &[syn::Attribute]) -> syn::parse::Result<String> {
[INFO] [stdout]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.78s
[INFO] running `Command { std: "docker" "inspect" "03b995a96a1dabe0b106af6c74c34929b938ed849fdef9b0df5dc0948700573f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03b995a96a1dabe0b106af6c74c34929b938ed849fdef9b0df5dc0948700573f", kill_on_drop: false }`
[INFO] [stdout] 03b995a96a1dabe0b106af6c74c34929b938ed849fdef9b0df5dc0948700573f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d1ea7d39757a609b63bbcbd9b913f2a65237a7e12b59c76b756175870314496
[INFO] running `Command { std: "docker" "start" "-a" "6d1ea7d39757a609b63bbcbd9b913f2a65237a7e12b59c76b756175870314496", kill_on_drop: false }`
[INFO] [stderr]    Compiling jrpc-macro v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `attrs`
[INFO] [stdout]    --> src/lib.rs:533:35
[INFO] [stdout]     |
[INFO] [stdout] 533 | fn rpc_param_name(pat: &syn::Pat, attrs: &[syn::Attribute]) -> syn::parse::Result<String> {
[INFO] [stdout]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attrs`
[INFO] [stdout]    --> src/lib.rs:533:35
[INFO] [stdout]     |
[INFO] [stdout] 533 | fn rpc_param_name(pat: &syn::Pat, attrs: &[syn::Attribute]) -> syn::parse::Result<String> {
[INFO] [stdout]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "6d1ea7d39757a609b63bbcbd9b913f2a65237a7e12b59c76b756175870314496", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d1ea7d39757a609b63bbcbd9b913f2a65237a7e12b59c76b756175870314496", kill_on_drop: false }`
[INFO] [stdout] 6d1ea7d39757a609b63bbcbd9b913f2a65237a7e12b59c76b756175870314496
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 07c0a902e683233357ef6e54d97438f0ea68e33e9baf3b400e32062aafbffcdb
[INFO] running `Command { std: "docker" "start" "-a" "07c0a902e683233357ef6e54d97438f0ea68e33e9baf3b400e32062aafbffcdb", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `attrs`
[INFO] [stderr]    --> src/lib.rs:533:35
[INFO] [stderr]     |
[INFO] [stderr] 533 | fn rpc_param_name(pat: &syn::Pat, attrs: &[syn::Attribute]) -> syn::parse::Result<String> {
[INFO] [stderr]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `jrpc-macro` (lib) generated 1 warning
[INFO] [stderr] warning: `jrpc-macro` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/jrpc_macro-a62c340b49bd91b1)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests jrpc-macro
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - rpc_api (line 41) ... ignored
[INFO] [stdout] test src/lib.rs - rpc_api (line 60) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "07c0a902e683233357ef6e54d97438f0ea68e33e9baf3b400e32062aafbffcdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07c0a902e683233357ef6e54d97438f0ea68e33e9baf3b400e32062aafbffcdb", kill_on_drop: false }`
[INFO] [stdout] 07c0a902e683233357ef6e54d97438f0ea68e33e9baf3b400e32062aafbffcdb