[INFO] fetching crate rovv 0.2.1...
[INFO] checking rovv-0.2.1 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4
[INFO] extracting crate rovv 0.2.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate rovv 0.2.1 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rovv 0.2.1
[INFO] finished tweaking crates.io crate rovv 0.2.1
[INFO] tweaked toml for crates.io crate rovv 0.2.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 32 packages
[INFO] [stderr]       Adding cargo_metadata v0.12.3 (latest: v0.18.1)
[INFO] [stderr]       Adding inwelling v0.3.0 (latest: v0.5.5)
[INFO] [stderr]       Adding semver v0.11.0 (latest: v1.0.22)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded utf16_reader v0.1.0
[INFO] [stderr]   Downloaded rovv_derive v0.2.0
[INFO] [stderr]   Downloaded inwelling v0.3.0
[INFO] [stderr]   Downloaded pals v0.1.2
[INFO] [stderr]   Downloaded escape8259 v0.5.2
[INFO] [stderr]   Downloaded trees v0.4.2
[INFO] [stderr]   Downloaded lens-rs_generator v0.1.2
[INFO] [stderr]   Downloaded lens-rs v0.3.2
[INFO] [stderr]   Downloaded lens-rs_derive v0.3.2
[INFO] [stderr]   Downloaded cargo_metadata v0.12.3
[INFO] [stderr]   Downloaded cmdline_words_parser v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47ec582ed8a2184e7364a323f4b78abc5f00fdf7c7f7b636b3a6ad8b252a43ca
[INFO] running `Command { std: "docker" "start" "-a" "47ec582ed8a2184e7364a323f4b78abc5f00fdf7c7f7b636b3a6ad8b252a43ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47ec582ed8a2184e7364a323f4b78abc5f00fdf7c7f7b636b3a6ad8b252a43ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47ec582ed8a2184e7364a323f4b78abc5f00fdf7c7f7b636b3a6ad8b252a43ca", kill_on_drop: false }`
[INFO] [stdout] 47ec582ed8a2184e7364a323f4b78abc5f00fdf7c7f7b636b3a6ad8b252a43ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b3e1927f18a9568fd1909d12560d17ca02c6b4de95c2304b574f8cf2055d296
[INFO] running `Command { std: "docker" "start" "-a" "9b3e1927f18a9568fd1909d12560d17ca02c6b4de95c2304b574f8cf2055d296", kill_on_drop: false }`
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling escape8259 v0.5.2
[INFO] [stderr]    Compiling trees v0.4.2
[INFO] [stderr]    Compiling cmdline_words_parser v0.2.1
[INFO] [stderr]    Compiling pals v0.1.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling pest v2.7.9
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling rovv_derive v0.2.0
[INFO] [stderr]    Compiling cargo-platform v0.1.8
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling cargo_metadata v0.12.3
[INFO] [stderr]    Compiling inwelling v0.3.0
[INFO] [stderr]    Compiling lens-rs_generator v0.1.2
[INFO] [stderr]    Compiling rovv v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> build.rs:27:20
[INFO] [stdout]    |
[INFO] [stdout] 27 |             if let Some(syntax) = syn::parse_file(&contents) {
[INFO] [stdout]    |                    ^^^^^^^^^^^^   -------------------------- this expression has type `Result<syn::File, syn::Error>`
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    expected `Result<File, Error>`, found `Option<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Result<syn::File, syn::Error>`
[INFO] [stdout]               found enum `Option<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rovv` (build script) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9b3e1927f18a9568fd1909d12560d17ca02c6b4de95c2304b574f8cf2055d296", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b3e1927f18a9568fd1909d12560d17ca02c6b4de95c2304b574f8cf2055d296", kill_on_drop: false }`
[INFO] [stdout] 9b3e1927f18a9568fd1909d12560d17ca02c6b4de95c2304b574f8cf2055d296
[INFO] checking rovv-0.2.1 against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-4
[INFO] extracting crate rovv 0.2.1 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate rovv 0.2.1 on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rovv 0.2.1
[INFO] finished tweaking crates.io crate rovv 0.2.1
[INFO] tweaked toml for crates.io crate rovv 0.2.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d0291cc0d58b20bed32e6f18d039279403ebf389c59c006a539566942b17fe2
[INFO] running `Command { std: "docker" "start" "-a" "4d0291cc0d58b20bed32e6f18d039279403ebf389c59c006a539566942b17fe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d0291cc0d58b20bed32e6f18d039279403ebf389c59c006a539566942b17fe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d0291cc0d58b20bed32e6f18d039279403ebf389c59c006a539566942b17fe2", kill_on_drop: false }`
[INFO] [stdout] 4d0291cc0d58b20bed32e6f18d039279403ebf389c59c006a539566942b17fe2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ecc48946e5fd3f6ea64fb0f4cf56564254c2751960ec9cdcea287b71b363167c
[INFO] running `Command { std: "docker" "start" "-a" "ecc48946e5fd3f6ea64fb0f4cf56564254c2751960ec9cdcea287b71b363167c", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "ecc48946e5fd3f6ea64fb0f4cf56564254c2751960ec9cdcea287b71b363167c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecc48946e5fd3f6ea64fb0f4cf56564254c2751960ec9cdcea287b71b363167c", kill_on_drop: false }`
[INFO] [stdout] ecc48946e5fd3f6ea64fb0f4cf56564254c2751960ec9cdcea287b71b363167c