[INFO] fetching crate wasefire-protocol 0.4.0...
[INFO] checking wasefire-protocol-0.4.0 against try#1bdcb63291ccffc030f8223f6f978568dd240e3e for pr-155500
[INFO] extracting crate wasefire-protocol 0.4.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate wasefire-protocol 0.4.0
[INFO] finished tweaking crates.io crate wasefire-protocol 0.4.0
[INFO] tweaked toml for crates.io crate wasefire-protocol 0.4.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wasefire-protocol 0.4.0 on toolchain 1bdcb63291ccffc030f8223f6f978568dd240e3e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1bdcb63291ccffc030f8223f6f978568dd240e3e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate wasefire-protocol 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1bdcb63291ccffc030f8223f6f978568dd240e3e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1bdcb63291ccffc030f8223f6f978568dd240e3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bbb0b9c49b23a1b4dd476968dc369217462a6e5cfca3f1de0e8e44df2174b377
[INFO] running `Command { std: "docker" "start" "-a" "bbb0b9c49b23a1b4dd476968dc369217462a6e5cfca3f1de0e8e44df2174b377", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbb0b9c49b23a1b4dd476968dc369217462a6e5cfca3f1de0e8e44df2174b377", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbb0b9c49b23a1b4dd476968dc369217462a6e5cfca3f1de0e8e44df2174b377", kill_on_drop: false }`
[INFO] [stdout] bbb0b9c49b23a1b4dd476968dc369217462a6e5cfca3f1de0e8e44df2174b377
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1bdcb63291ccffc030f8223f6f978568dd240e3e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e22d03e4b5a5c09cde401b96eaaf0340bdbd7bedec9bd3a0348d1fff6f401c84
[INFO] running `Command { std: "docker" "start" "-a" "e22d03e4b5a5c09cde401b96eaaf0340bdbd7bedec9bd3a0348d1fff6f401c84", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling portable-atomic v1.13.1
[INFO] [stderr]    Compiling rustversion v1.0.21
[INFO] [stderr]     Checking spin v0.10.0
[INFO] [stderr]     Checking wasefire-sync v0.1.3
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling num_enum_derive v0.7.5
[INFO] [stderr]    Compiling wasefire-wire-derive v0.1.3
[INFO] [stderr]     Checking num_enum v0.7.5
[INFO] [stderr]     Checking wasefire-error v0.1.4
[INFO] [stderr]     Checking wasefire-common v0.1.1
[INFO] [stderr]     Checking wasefire-wire v0.1.3
[INFO] [stdout] error[E0119]: conflicting implementations of trait `internal::Wire<'_>` for type `!`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/wasefire-wire-0.1.3/src/lib.rs:399:1
[INFO] [stdout]     |
[INFO] [stdout] 385 | impl<'a> internal::Wire<'a> for ! {
[INFO] [stdout]     | --------------------------------- first implementation here
[INFO] [stdout] ...
[INFO] [stdout] 399 | #[internal_wire]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^ conflicting implementation for `!`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `internal_wire` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0119`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wasefire-wire` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "e22d03e4b5a5c09cde401b96eaaf0340bdbd7bedec9bd3a0348d1fff6f401c84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e22d03e4b5a5c09cde401b96eaaf0340bdbd7bedec9bd3a0348d1fff6f401c84", kill_on_drop: false }`
[INFO] [stdout] e22d03e4b5a5c09cde401b96eaaf0340bdbd7bedec9bd3a0348d1fff6f401c84