[INFO] fetching crate hugr-persistent 0.4.0...
[INFO] checking hugr-persistent-0.4.0 against try#bac5816c5f3d02cebd0599070af62d1782530294 for pr-150408
[INFO] extracting crate hugr-persistent 0.4.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate hugr-persistent 0.4.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate hugr-persistent 0.4.0
[INFO] tweaked toml for crates.io crate hugr-persistent 0.4.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate hugr-persistent 0.4.0 on toolchain bac5816c5f3d02cebd0599070af62d1782530294
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bac5816c5f3d02cebd0599070af62d1782530294" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate hugr-persistent 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" "+bac5816c5f3d02cebd0599070af62d1782530294" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+bac5816c5f3d02cebd0599070af62d1782530294" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5d0de8dda08a72a46df14d3b22324c1406ccdb020ac725b6662740b483ccc4e
[INFO] running `Command { std: "docker" "start" "-a" "a5d0de8dda08a72a46df14d3b22324c1406ccdb020ac725b6662740b483ccc4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5d0de8dda08a72a46df14d3b22324c1406ccdb020ac725b6662740b483ccc4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5d0de8dda08a72a46df14d3b22324c1406ccdb020ac725b6662740b483ccc4e", kill_on_drop: false }`
[INFO] [stdout] a5d0de8dda08a72a46df14d3b22324c1406ccdb020ac725b6662740b483ccc4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+bac5816c5f3d02cebd0599070af62d1782530294" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e0170cafd4e07b294c79111cddcab398d99702cea77fae1329cfab657ab0df1
[INFO] running `Command { std: "docker" "start" "-a" "5e0170cafd4e07b294c79111cddcab398d99702cea77fae1329cfab657ab0df1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking either v1.15.0
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[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
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[INFO] [stderr]     Checking tap v1.0.1
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[INFO] [stderr]    Compiling darling_core v0.21.3
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[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
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[INFO] [stderr]    Compiling derive_more-impl v2.1.0
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[INFO] [stderr]    Compiling strum_macros v0.27.2
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[INFO] [stderr]    Compiling derive_more v0.99.20
[INFO] [stderr]    Compiling typetag-impl v0.2.21
[INFO] [stderr]    Compiling derive-where v1.6.0
[INFO] [stderr]    Compiling delegate v0.13.5
[INFO] [stderr]    Compiling enum_dispatch v0.3.13
[INFO] [stderr]    Compiling futures-macro v0.3.31
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[INFO] [stderr]     Checking futures-util v0.3.31
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[INFO] [stderr]    Compiling darling_macro v0.21.3
[INFO] [stderr]     Checking strum v0.27.2
[INFO] [stderr]    Compiling darling v0.21.3
[INFO] [stderr]    Compiling serde_with_macros v3.16.1
[INFO] [stderr]     Checking serde_with v3.16.1
[INFO] [stderr]     Checking derive_more v2.1.0
[INFO] [stderr]     Checking ordered-float v5.1.0
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[INFO] [stderr]     Checking schemars v1.1.0
[INFO] [stderr]     Checking insta v1.44.3
[INFO] [stderr]     Checking rstest v0.26.1
[INFO] [stderr]     Checking hugr-model v0.25.0
[INFO] [stderr]     Checking relrc v0.5.0
[INFO] [stderr]     Checking portgraph v0.15.3
[INFO] [stderr]     Checking hugr-core v0.25.0
[INFO] [stdout] error[E0308]: `?` operator has incompatible types
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/hugr-core-0.25.0/src/ops/constant/custom.rs:55:1
[INFO] [stdout]    |
[INFO] [stdout] 55 | #[typetag::serde(tag = "c", content = "v")]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected trait `CustomConst + Send + Sync`, found trait `CustomConst`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `?` operator cannot convert from `std::boxed::Box<dyn CustomConst + Send + Sync>` to `std::boxed::Box<dyn CustomConst>`
[INFO] [stdout]    = note: expected struct `std::boxed::Box<dyn CustomConst>`
[INFO] [stdout]               found struct `std::boxed::Box<dyn CustomConst + Send + Sync>`
[INFO] [stdout]    = note: this error originates in the attribute macro `typetag::serde` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: `?` operator has incompatible types
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/hugr-core-0.25.0/src/ops/constant/custom.rs:55:1
[INFO] [stdout]    |
[INFO] [stdout] 55 | #[typetag::serde(tag = "c", content = "v")]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected trait `CustomConst + Send + Sync`, found trait `CustomConst + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `?` operator cannot convert from `std::boxed::Box<dyn CustomConst + Send + Sync>` to `std::boxed::Box<dyn CustomConst + Send>`
[INFO] [stdout]    = note: expected struct `std::boxed::Box<dyn CustomConst + Send>`
[INFO] [stdout]               found struct `std::boxed::Box<dyn CustomConst + Send + Sync>`
[INFO] [stdout]    = note: this error originates in the attribute macro `typetag::serde` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: `?` operator has incompatible types
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/hugr-core-0.25.0/src/ops/constant/custom.rs:55:1
[INFO] [stdout]    |
[INFO] [stdout] 55 | #[typetag::serde(tag = "c", content = "v")]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected trait `CustomConst + Send + Sync`, found trait `CustomConst + Sync`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `?` operator cannot convert from `std::boxed::Box<dyn CustomConst + Send + Sync>` to `std::boxed::Box<dyn CustomConst + Sync>`
[INFO] [stdout]    = note: expected struct `std::boxed::Box<dyn CustomConst + Sync>`
[INFO] [stdout]               found struct `std::boxed::Box<dyn CustomConst + Send + Sync>`
[INFO] [stdout]    = note: this error originates in the attribute macro `typetag::serde` (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 E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hugr-core` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "5e0170cafd4e07b294c79111cddcab398d99702cea77fae1329cfab657ab0df1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e0170cafd4e07b294c79111cddcab398d99702cea77fae1329cfab657ab0df1", kill_on_drop: false }`
[INFO] [stdout] 5e0170cafd4e07b294c79111cddcab398d99702cea77fae1329cfab657ab0df1
