[INFO] fetching crate styx-tokenizer 3.0.1...
[INFO] checking styx-tokenizer-3.0.1 against try#50f413885985a8b0a0b6ca0766a0aedd45304953 for pr-155657
[INFO] extracting crate styx-tokenizer 3.0.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate styx-tokenizer 3.0.1
[INFO] finished tweaking crates.io crate styx-tokenizer 3.0.1
[INFO] tweaked toml for crates.io crate styx-tokenizer 3.0.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate styx-tokenizer 3.0.1 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 styx-tokenizer 3.0.1 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] 323d0dd995f64df557406a7e78502ed4ad2a5f7fb6dd30936cf6890ee5436c40
[INFO] running `Command { std: "docker" "start" "-a" "323d0dd995f64df557406a7e78502ed4ad2a5f7fb6dd30936cf6890ee5436c40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "323d0dd995f64df557406a7e78502ed4ad2a5f7fb6dd30936cf6890ee5436c40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "323d0dd995f64df557406a7e78502ed4ad2a5f7fb6dd30936cf6890ee5436c40", kill_on_drop: false }`
[INFO] [stdout] 323d0dd995f64df557406a7e78502ed4ad2a5f7fb6dd30936cf6890ee5436c40
[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] 4a2be5498f6002c35d17e957bf9374882eacd0ad12ad8216d462358deabc6b6f
[INFO] running `Command { std: "docker" "start" "-a" "4a2be5498f6002c35d17e957bf9374882eacd0ad12ad8216d462358deabc6b6f", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.8.0
[INFO] [stderr]    Compiling libc v0.2.185
[INFO] [stderr]     Checking btparse v0.2.0
[INFO] [stderr]    Compiling unsynn v0.3.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.23
[INFO] [stderr]    Compiling syn v2.0.117
[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] [stderr]     Checking object v0.37.3
[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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4a2be5498f6002c35d17e957bf9374882eacd0ad12ad8216d462358deabc6b6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a2be5498f6002c35d17e957bf9374882eacd0ad12ad8216d462358deabc6b6f", kill_on_drop: false }`
[INFO] [stdout] 4a2be5498f6002c35d17e957bf9374882eacd0ad12ad8216d462358deabc6b6f
