[INFO] fetching crate lightning-wire-msgs-derive-base 0.2.6...
[INFO] testing lightning-wire-msgs-derive-base-0.2.6 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate lightning-wire-msgs-derive-base 0.2.6 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate lightning-wire-msgs-derive-base 0.2.6 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 lightning-wire-msgs-derive-base 0.2.6
[INFO] finished tweaking crates.io crate lightning-wire-msgs-derive-base 0.2.6
[INFO] tweaked toml for crates.io crate lightning-wire-msgs-derive-base 0.2.6 written to /workspace/builds/worker-12/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 0a5838154c5df6e23d07bd5e0ecdf3b0de3cc45634470d229488938fe78f13b1
[INFO] running `Command { std: "docker" "start" "-a" "0a5838154c5df6e23d07bd5e0ecdf3b0de3cc45634470d229488938fe78f13b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a5838154c5df6e23d07bd5e0ecdf3b0de3cc45634470d229488938fe78f13b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a5838154c5df6e23d07bd5e0ecdf3b0de3cc45634470d229488938fe78f13b1", kill_on_drop: false }`
[INFO] [stdout] 0a5838154c5df6e23d07bd5e0ecdf3b0de3cc45634470d229488938fe78f13b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 395bf549399ae6c20a5631358d0f49af47403c539c74b904d18d731c2594befa
[INFO] running `Command { std: "docker" "start" "-a" "395bf549399ae6c20a5631358d0f49af47403c539c74b904d18d731c2594befa", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling lightning-wire-msgs-derive-base v0.2.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/wire_msg.rs:176:29
[INFO] [stdout]     |
[INFO] [stdout] 176 | / ...                   (match a.args.first().expect("tlv value must be Option") {
[INFO] [stdout] 177 | | ...                       syn::GenericArgument::Type(t) => t.clone(),
[INFO] [stdout] 178 | | ...                       _ => panic!("tlv value must be Option"),
[INFO] [stdout] 179 | | ...                   })
[INFO] [stdout]     | |________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 176 ~                             match a.args.first().expect("tlv value must be Option") {
[INFO] [stdout] 177 +                                 syn::GenericArgument::Type(t) => t.clone(),
[INFO] [stdout] 178 +                                 _ => panic!("tlv value must be Option"),
[INFO] [stdout] 179 +                             }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.29s
[INFO] running `Command { std: "docker" "inspect" "395bf549399ae6c20a5631358d0f49af47403c539c74b904d18d731c2594befa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "395bf549399ae6c20a5631358d0f49af47403c539c74b904d18d731c2594befa", kill_on_drop: false }`
[INFO] [stdout] 395bf549399ae6c20a5631358d0f49af47403c539c74b904d18d731c2594befa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 63b6f8deab30f87492d31ae86e60e20f90cfa7c037a47fa047eaa837a5b47ca6
[INFO] running `Command { std: "docker" "start" "-a" "63b6f8deab30f87492d31ae86e60e20f90cfa7c037a47fa047eaa837a5b47ca6", kill_on_drop: false }`
[INFO] [stderr]    Compiling lightning-wire-msgs-derive-base v0.2.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/wire_msg.rs:176:29
[INFO] [stdout]     |
[INFO] [stdout] 176 | / ...                   (match a.args.first().expect("tlv value must be Option") {
[INFO] [stdout] 177 | | ...                       syn::GenericArgument::Type(t) => t.clone(),
[INFO] [stdout] 178 | | ...                       _ => panic!("tlv value must be Option"),
[INFO] [stdout] 179 | | ...                   })
[INFO] [stdout]     | |________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 176 ~                             match a.args.first().expect("tlv value must be Option") {
[INFO] [stdout] 177 +                                 syn::GenericArgument::Type(t) => t.clone(),
[INFO] [stdout] 178 +                                 _ => panic!("tlv value must be Option"),
[INFO] [stdout] 179 +                             }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/wire_msg.rs:176:29
[INFO] [stdout]     |
[INFO] [stdout] 176 | / ...                   (match a.args.first().expect("tlv value must be Option") {
[INFO] [stdout] 177 | | ...                       syn::GenericArgument::Type(t) => t.clone(),
[INFO] [stdout] 178 | | ...                       _ => panic!("tlv value must be Option"),
[INFO] [stdout] 179 | | ...                   })
[INFO] [stdout]     | |________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 176 ~                             match a.args.first().expect("tlv value must be Option") {
[INFO] [stdout] 177 +                                 syn::GenericArgument::Type(t) => t.clone(),
[INFO] [stdout] 178 +                                 _ => panic!("tlv value must be Option"),
[INFO] [stdout] 179 +                             }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.90s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "63b6f8deab30f87492d31ae86e60e20f90cfa7c037a47fa047eaa837a5b47ca6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63b6f8deab30f87492d31ae86e60e20f90cfa7c037a47fa047eaa837a5b47ca6", kill_on_drop: false }`
[INFO] [stdout] 63b6f8deab30f87492d31ae86e60e20f90cfa7c037a47fa047eaa837a5b47ca6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] bf6f48095b15d168e1fcd1cc4c8e4ec647171a5df812ef55474a9fa9d6ee3b02
[INFO] running `Command { std: "docker" "start" "-a" "bf6f48095b15d168e1fcd1cc4c8e4ec647171a5df812ef55474a9fa9d6ee3b02", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stdout] running 0 tests
[INFO] [stderr]    --> src/wire_msg.rs:176:29
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 176 | / ...                   (match a.args.first().expect("tlv value must be Option") {
[INFO] [stdout] 
[INFO] [stderr] 177 | | ...                       syn::GenericArgument::Type(t) => t.clone(),
[INFO] [stderr] 178 | | ...                       _ => panic!("tlv value must be Option"),
[INFO] [stderr] 179 | | ...                   })
[INFO] [stderr]     | |________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 176 ~                             match a.args.first().expect("tlv value must be Option") {
[INFO] [stderr] 177 +                                 syn::GenericArgument::Type(t) => t.clone(),
[INFO] [stderr] 178 +                                 _ => panic!("tlv value must be Option"),
[INFO] [stderr] 179 +                             }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `lightning-wire-msgs-derive-base` (lib) generated 1 warning
[INFO] [stderr] warning: `lightning-wire-msgs-derive-base` (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/lightning_wire_msgs_derive_base-95541111f61f9581)
[INFO] [stderr]    Doc-tests lightning-wire-msgs-derive-base
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> /opt/rustwide/workdir/src/wire_msg.rs:176:29
[INFO] [stderr]     |
[INFO] [stderr] 176 | / ...                   (match a.args.first().expect("tlv value must be Option") {
[INFO] [stderr] 177 | | ...                       syn::GenericArgument::Type(t) => t.clone(),
[INFO] [stderr] 178 | | ...                       _ => panic!("tlv value must be Option"),
[INFO] [stderr] 179 | | ...                   })
[INFO] [stderr]     | |________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 176 ~                             match a.args.first().expect("tlv value must be Option") {
[INFO] [stderr] 177 +                                 syn::GenericArgument::Type(t) => t.clone(),
[INFO] [stderr] 178 +                                 _ => panic!("tlv value must be Option"),
[INFO] [stderr] 179 +                             }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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] running `Command { std: "docker" "inspect" "bf6f48095b15d168e1fcd1cc4c8e4ec647171a5df812ef55474a9fa9d6ee3b02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf6f48095b15d168e1fcd1cc4c8e4ec647171a5df812ef55474a9fa9d6ee3b02", kill_on_drop: false }`
[INFO] [stdout] bf6f48095b15d168e1fcd1cc4c8e4ec647171a5df812ef55474a9fa9d6ee3b02