[INFO] fetching crate raffia 0.11.1...
[INFO] testing raffia-0.11.1 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate raffia 0.11.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate raffia 0.11.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate raffia 0.11.1
[INFO] tweaked toml for crates.io crate raffia 0.11.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate raffia 0.11.1 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate raffia 0.11.1 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded raffia_macro v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49b7349918a0d1e297a1ff5c93dc6a3c8ceaa6075af0db8a3592d1b87ad9b0c4
[INFO] running `Command { std: "docker" "start" "-a" "49b7349918a0d1e297a1ff5c93dc6a3c8ceaa6075af0db8a3592d1b87ad9b0c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49b7349918a0d1e297a1ff5c93dc6a3c8ceaa6075af0db8a3592d1b87ad9b0c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49b7349918a0d1e297a1ff5c93dc6a3c8ceaa6075af0db8a3592d1b87ad9b0c4", kill_on_drop: false }`
[INFO] [stdout] 49b7349918a0d1e297a1ff5c93dc6a3c8ceaa6075af0db8a3592d1b87ad9b0c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58fb3bf3111e45d70fbefa011d6026c09cce7ef70fd1a62ec8a6d3ef96956ce3
[INFO] running `Command { std: "docker" "start" "-a" "58fb3bf3111e45d70fbefa011d6026c09cce7ef70fd1a62ec8a6d3ef96956ce3", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling raffia_macro v0.1.1
[INFO] [stderr]    Compiling raffia v0.11.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.16s
[INFO] running `Command { std: "docker" "inspect" "58fb3bf3111e45d70fbefa011d6026c09cce7ef70fd1a62ec8a6d3ef96956ce3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58fb3bf3111e45d70fbefa011d6026c09cce7ef70fd1a62ec8a6d3ef96956ce3", kill_on_drop: false }`
[INFO] [stdout] 58fb3bf3111e45d70fbefa011d6026c09cce7ef70fd1a62ec8a6d3ef96956ce3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 116a41c68fd2a105dabd7de35764279bb5281f9618d759147bbf69db9c727d32
[INFO] running `Command { std: "docker" "start" "-a" "116a41c68fd2a105dabd7de35764279bb5281f9618d759147bbf69db9c727d32", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling unicode-width v0.2.1
[INFO] [stderr]    Compiling similar v2.7.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling console v0.15.11
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling codespan-reporting v0.12.0
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling globset v0.4.16
[INFO] [stderr]    Compiling ron v0.7.1
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling insta v1.43.1
[INFO] [stderr]    Compiling raffia v0.11.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `Stylesheet<'_>: serde::ser::Serialize` is not satisfied
[INFO] [stdout]     --> examples/json.rs:16:45
[INFO] [stdout]      |
[INFO] [stdout]   16 |     let json = serde_json::to_string_pretty(&ast).unwrap();
[INFO] [stdout]      |                ---------------------------- ^^^^ the trait `serde::ser::Serialize` is not implemented for `Stylesheet<'_>`
[INFO] [stdout]      |                |
[INFO] [stdout]      |                required by a bound introduced by this call
[INFO] [stdout]      |
[INFO] [stdout]      = note: for local types consider adding `#[derive(serde::Serialize)]` to your `Stylesheet<'_>` type
[INFO] [stdout]      = note: for types from other crates check whether the crate offers a `serde` feature flag
[INFO] [stdout]      = help: the following other types implement trait `serde::ser::Serialize`:
[INFO] [stdout]                &'a T
[INFO] [stdout]                &'a mut T
[INFO] [stdout]                ()
[INFO] [stdout]                (T,)
[INFO] [stdout]                (T0, T1)
[INFO] [stdout]                (T0, T1, T2)
[INFO] [stdout]                (T0, T1, T2, T3)
[INFO] [stdout]                (T0, T1, T2, T3, T4)
[INFO] [stdout]              and 131 others
[INFO] [stdout] note: required by a bound in `to_string_pretty`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_json-1.0.143/src/ser.rs:2266:17
[INFO] [stdout]      |
[INFO] [stdout] 2264 | pub fn to_string_pretty<T>(value: &T) -> Result<String>
[INFO] [stdout]      |        ---------------- required by a bound in this function
[INFO] [stdout] 2265 | where
[INFO] [stdout] 2266 |     T: ?Sized + Serialize,
[INFO] [stdout]      |                 ^^^^^^^^^ required by this bound in `to_string_pretty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `raffia` (example "json") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "116a41c68fd2a105dabd7de35764279bb5281f9618d759147bbf69db9c727d32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "116a41c68fd2a105dabd7de35764279bb5281f9618d759147bbf69db9c727d32", kill_on_drop: false }`
[INFO] [stdout] 116a41c68fd2a105dabd7de35764279bb5281f9618d759147bbf69db9c727d32