[INFO] fetching crate facet-macros-parse 0.31.8...
[INFO] checking facet-macros-parse-0.31.8 against try#50f413885985a8b0a0b6ca0766a0aedd45304953 for pr-155657
[INFO] extracting crate facet-macros-parse 0.31.8 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate facet-macros-parse 0.31.8
[INFO] finished tweaking crates.io crate facet-macros-parse 0.31.8
[INFO] tweaked toml for crates.io crate facet-macros-parse 0.31.8 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate facet-macros-parse 0.31.8 on toolchain 50f413885985a8b0a0b6ca0766a0aedd45304953
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate facet-macros-parse 0.31.8 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" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d02402a2de97723980f1e83c87564f943f8e003c74e8727c11b7d9b3056124d
[INFO] running `Command { std: "docker" "start" "-a" "1d02402a2de97723980f1e83c87564f943f8e003c74e8727c11b7d9b3056124d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d02402a2de97723980f1e83c87564f943f8e003c74e8727c11b7d9b3056124d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d02402a2de97723980f1e83c87564f943f8e003c74e8727c11b7d9b3056124d", kill_on_drop: false }`
[INFO] [stdout] 1d02402a2de97723980f1e83c87564f943f8e003c74e8727c11b7d9b3056124d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce16cbf65eca2b85b26ca7b6a7f391c2e7443836d776d68113810182c2777aaa
[INFO] running `Command { std: "docker" "start" "-a" "ce16cbf65eca2b85b26ca7b6a7f391c2e7443836d776d68113810182c2777aaa", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]     Checking unicode-ident v1.0.22
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling mutants v0.0.3
[INFO] [stderr]     Checking unsynn v0.3.0
[INFO] [stdout] error[E0277]: the trait bound `(): std::error::Error` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/unsynn-0.3.0/src/rust_types.rs:21:73
[INFO] [stdout]     |
[INFO] [stdout]  21 |                         .or_else(|e| Error::dynamic::<Self>(at, tokens, e))
[INFO] [stdout]     |                                      ----------------------             ^ the trait `std::error::Error` is not implemented for `()`
[INFO] [stdout]     |                                      |
[INFO] [stdout]     |                                      required by a bound introduced by this call
[INFO] [stdout] ...
[INFO] [stdout]  44 | impl_unsigned_integer! {u8, u16, u32, u64, u128, usize}
[INFO] [stdout]     | ------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `error::Error::dynamic`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/unsynn-0.3.0/src/error.rs:192:21
[INFO] [stdout]     |
[INFO] [stdout] 189 |     pub fn dynamic<T>(
[INFO] [stdout]     |            ------- required by a bound in this associated function
[INFO] [stdout] ...
[INFO] [stdout] 192 |         error: impl std::error::Error + Send + Sync + 'static,
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^ required by this bound in `Error::dynamic`
[INFO] [stdout]     = note: this error originates in the macro `impl_unsigned_integer` (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 E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `unsynn` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "ce16cbf65eca2b85b26ca7b6a7f391c2e7443836d776d68113810182c2777aaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce16cbf65eca2b85b26ca7b6a7f391c2e7443836d776d68113810182c2777aaa", kill_on_drop: false }`
[INFO] [stdout] ce16cbf65eca2b85b26ca7b6a7f391c2e7443836d776d68113810182c2777aaa
