[INFO] fetching crate lightning-wire-msgs 0.2.1...
[INFO] testing lightning-wire-msgs-0.2.1 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate lightning-wire-msgs 0.2.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate lightning-wire-msgs 0.2.1
[INFO] finished tweaking crates.io crate lightning-wire-msgs 0.2.1
[INFO] tweaked toml for crates.io crate lightning-wire-msgs 0.2.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lightning-wire-msgs 0.2.1 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99481944410bf2f6d6647b99531de3f521a14567d25adceefba83d41d14fb142
[INFO] running `Command { std: "docker" "start" "-a" "99481944410bf2f6d6647b99531de3f521a14567d25adceefba83d41d14fb142", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99481944410bf2f6d6647b99531de3f521a14567d25adceefba83d41d14fb142", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99481944410bf2f6d6647b99531de3f521a14567d25adceefba83d41d14fb142", kill_on_drop: false }`
[INFO] [stdout] 99481944410bf2f6d6647b99531de3f521a14567d25adceefba83d41d14fb142
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d3b92cde1b3d3283c80f81e3727d03065693405108442833ea3208f5c37b6f2
[INFO] running `Command { std: "docker" "start" "-a" "4d3b92cde1b3d3283c80f81e3727d03065693405108442833ea3208f5c37b6f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling lightning-wire-msgs-derive-base v0.2.6
[INFO] [stderr]    Compiling lightning-wire-msgs-derive v0.2.6
[INFO] [stderr]    Compiling lightning-wire-msgs v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0659]: `repr` is ambiguous
[INFO] [stdout]  --> src/items/feature.rs:7:3
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[repr(usize)]
[INFO] [stdout]   |   ^^^^ ambiguous name
[INFO] [stdout]   |
[INFO] [stdout]   = note: ambiguous because of a name conflict with a builtin attribute
[INFO] [stdout]   = note: `repr` could refer to a built-in attribute
[INFO] [stdout] note: `repr` could also refer to the derive helper attribute defined here
[INFO] [stdout]  --> src/items/feature.rs:6:68
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Clone, Copy, Debug, PartialEq, Eq, PartialOrd, Ord, Hash, TryFromPrimitive)]
[INFO] [stdout]   |                                                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `repr` is ambiguous
[INFO] [stdout]  --> src/watchtower/items/blob.rs:6:3
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[repr(u16)]
[INFO] [stdout]   |   ^^^^ ambiguous name
[INFO] [stdout]   |
[INFO] [stdout]   = note: ambiguous because of a name conflict with a builtin attribute
[INFO] [stdout]   = note: `repr` could refer to a built-in attribute
[INFO] [stdout] note: `repr` could also refer to the derive helper attribute defined here
[INFO] [stdout]  --> src/watchtower/items/blob.rs:5:68
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(Clone, Copy, Debug, PartialEq, Eq, PartialOrd, Ord, Hash, TryFromPrimitive)]
[INFO] [stdout]   |                                                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `repr` is ambiguous
[INFO] [stdout]   --> src/watchtower/items/blob.rs:94:3
[INFO] [stdout]    |
[INFO] [stdout] 94 | #[repr(u16)]
[INFO] [stdout]    |   ^^^^ ambiguous name
[INFO] [stdout]    |
[INFO] [stdout]    = note: ambiguous because of a name conflict with a builtin attribute
[INFO] [stdout]    = note: `repr` could refer to a built-in attribute
[INFO] [stdout] note: `repr` could also refer to the derive helper attribute defined here
[INFO] [stdout]   --> src/watchtower/items/blob.rs:93:45
[INFO] [stdout]    |
[INFO] [stdout] 93 | #[derive(Clone, Copy, Debug, PartialEq, Eq, TryFromPrimitive)]
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `repr` is ambiguous
[INFO] [stdout]   --> src/watchtower/items/error.rs:67:3
[INFO] [stdout]    |
[INFO] [stdout] 67 | #[repr(u16)]
[INFO] [stdout]    |   ^^^^ ambiguous name
[INFO] [stdout]    |
[INFO] [stdout]    = note: ambiguous because of a name conflict with a builtin attribute
[INFO] [stdout]    = note: `repr` could refer to a built-in attribute
[INFO] [stdout] note: `repr` could also refer to the derive helper attribute defined here
[INFO] [stdout]   --> src/watchtower/items/error.rs:66:30
[INFO] [stdout]    |
[INFO] [stdout] 66 | #[derive(Clone, Copy, Debug, TryFromPrimitive)]
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `repr` is ambiguous
[INFO] [stdout]   --> src/watchtower/items/error.rs:88:3
[INFO] [stdout]    |
[INFO] [stdout] 88 | #[repr(u16)]
[INFO] [stdout]    |   ^^^^ ambiguous name
[INFO] [stdout]    |
[INFO] [stdout]    = note: ambiguous because of a name conflict with a builtin attribute
[INFO] [stdout]    = note: `repr` could refer to a built-in attribute
[INFO] [stdout] note: `repr` could also refer to the derive helper attribute defined here
[INFO] [stdout]   --> src/watchtower/items/error.rs:87:30
[INFO] [stdout]    |
[INFO] [stdout] 87 | #[derive(Clone, Copy, Debug, TryFromPrimitive)]
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `repr` is ambiguous
[INFO] [stdout]    --> src/watchtower/items/error.rs:119:3
[INFO] [stdout]     |
[INFO] [stdout] 119 | #[repr(u16)]
[INFO] [stdout]     |   ^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of a name conflict with a builtin attribute
[INFO] [stdout]     = note: `repr` could refer to a built-in attribute
[INFO] [stdout] note: `repr` could also refer to the derive helper attribute defined here
[INFO] [stdout]    --> src/watchtower/items/error.rs:118:30
[INFO] [stdout]     |
[INFO] [stdout] 118 | #[derive(Clone, Copy, Debug, TryFromPrimitive)]
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `repr` is ambiguous
[INFO] [stdout]    --> src/watchtower/items/error.rs:150:3
[INFO] [stdout]     |
[INFO] [stdout] 150 | #[repr(u16)]
[INFO] [stdout]     |   ^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of a name conflict with a builtin attribute
[INFO] [stdout]     = note: `repr` could refer to a built-in attribute
[INFO] [stdout] note: `repr` could also refer to the derive helper attribute defined here
[INFO] [stdout]    --> src/watchtower/items/error.rs:149:30
[INFO] [stdout]     |
[INFO] [stdout] 149 | #[derive(Clone, Copy, Debug, TryFromPrimitive)]
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0659`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lightning-wire-msgs` (lib) due to 7 previous errors
[INFO] running `Command { std: "docker" "inspect" "4d3b92cde1b3d3283c80f81e3727d03065693405108442833ea3208f5c37b6f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d3b92cde1b3d3283c80f81e3727d03065693405108442833ea3208f5c37b6f2", kill_on_drop: false }`
[INFO] [stdout] 4d3b92cde1b3d3283c80f81e3727d03065693405108442833ea3208f5c37b6f2