[INFO] fetching crate lightning-wire-msgs-derive-base 0.2.6...
[INFO] testing lightning-wire-msgs-derive-base-0.2.6 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate lightning-wire-msgs-derive-base 0.2.6 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate lightning-wire-msgs-derive-base 0.2.6 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", 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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60b230699f78632ca09a23326845198caf86e2d47bf27d567462921efd150892
[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" "60b230699f78632ca09a23326845198caf86e2d47bf27d567462921efd150892", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60b230699f78632ca09a23326845198caf86e2d47bf27d567462921efd150892", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60b230699f78632ca09a23326845198caf86e2d47bf27d567462921efd150892", kill_on_drop: false }`
[INFO] [stdout] 60b230699f78632ca09a23326845198caf86e2d47bf27d567462921efd150892
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f71d19ba26c58e9704c94a7668962e7683533b7f5e20ec7480b9dcd007041f37
[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" "f71d19ba26c58e9704c94a7668962e7683533b7f5e20ec7480b9dcd007041f37", 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.33s
[INFO] running `Command { std: "docker" "inspect" "f71d19ba26c58e9704c94a7668962e7683533b7f5e20ec7480b9dcd007041f37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f71d19ba26c58e9704c94a7668962e7683533b7f5e20ec7480b9dcd007041f37", kill_on_drop: false }`
[INFO] [stdout] f71d19ba26c58e9704c94a7668962e7683533b7f5e20ec7480b9dcd007041f37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 144ee7a52e81927e0ed3939f494f5404aabdb14099e3b907c9171ba0b8668bdf
[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" "144ee7a52e81927e0ed3939f494f5404aabdb14099e3b907c9171ba0b8668bdf", 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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.85s
[INFO] running `Command { std: "docker" "inspect" "144ee7a52e81927e0ed3939f494f5404aabdb14099e3b907c9171ba0b8668bdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "144ee7a52e81927e0ed3939f494f5404aabdb14099e3b907c9171ba0b8668bdf", kill_on_drop: false }`
[INFO] [stdout] 144ee7a52e81927e0ed3939f494f5404aabdb14099e3b907c9171ba0b8668bdf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b644eb79fbb717d974aac8d382218470e32aed80f6372a5dbaa9bda21e552228
[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" "b644eb79fbb717d974aac8d382218470e32aed80f6372a5dbaa9bda21e552228", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> 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] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> 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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lightning_wire_msgs_derive_base-86149c37476e25df
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lightning-wire-msgs-derive-base
[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] 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" "b644eb79fbb717d974aac8d382218470e32aed80f6372a5dbaa9bda21e552228", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b644eb79fbb717d974aac8d382218470e32aed80f6372a5dbaa9bda21e552228", kill_on_drop: false }`
[INFO] [stdout] b644eb79fbb717d974aac8d382218470e32aed80f6372a5dbaa9bda21e552228