[INFO] fetching crate jtd-derive 0.1.4...
[INFO] checking jtd-derive-0.1.4 against try#5ec4d3b0c83717313176eefa7d71e9d36dc83355 for 155501-infallible-never-no-reservation
[INFO] extracting crate jtd-derive 0.1.4 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate jtd-derive 0.1.4
[INFO] finished tweaking crates.io crate jtd-derive 0.1.4
[INFO] tweaked toml for crates.io crate jtd-derive 0.1.4 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate jtd-derive 0.1.4 on toolchain 5ec4d3b0c83717313176eefa7d71e9d36dc83355
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 66 packages to latest compatible versions
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.18)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 565fb590f7e4c1d9f3082dd0d89ec4d858e0313ec503e8914d32576e3b90faae
[INFO] running `Command { std: "docker" "start" "-a" "565fb590f7e4c1d9f3082dd0d89ec4d858e0313ec503e8914d32576e3b90faae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "565fb590f7e4c1d9f3082dd0d89ec4d858e0313ec503e8914d32576e3b90faae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "565fb590f7e4c1d9f3082dd0d89ec4d858e0313ec503e8914d32576e3b90faae", kill_on_drop: false }`
[INFO] [stdout] 565fb590f7e4c1d9f3082dd0d89ec4d858e0313ec503e8914d32576e3b90faae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec353079bbf7cb5930bdf236d7dd4777e7520e2d51cf68fea9c109c22b75c3f5
[INFO] running `Command { std: "docker" "start" "-a" "ec353079bbf7cb5930bdf236d7dd4777e7520e2d51cf68fea9c109c22b75c3f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking memchr v2.8.0
[INFO] [stderr]     Checking winnow v1.0.2
[INFO] [stderr]    Compiling target-triple v1.0.0
[INFO] [stderr]     Checking toml_writer v1.1.1+spec-1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]     Checking glob v0.3.3
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking serde_spanned v1.1.1
[INFO] [stderr]     Checking toml_datetime v1.1.1+spec-1.1.0
[INFO] [stderr]     Checking toml_parser v1.1.2+spec-1.1.0
[INFO] [stderr]     Checking toml v1.1.2+spec-1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]    Compiling serde_derive_internals v0.26.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking trybuild v1.0.116
[INFO] [stderr]    Compiling jtd-derive-macros v0.1.4
[INFO] [stdout] error[E0277]: the trait bound `!: std::default::Default` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/jtd-derive-macros-0.1.4/src/derive/context/container.rs:204:14
[INFO] [stdout]     |
[INFO] [stdout] 204 |             .collect_fallible()?;
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^ the trait `std::default::Default` is not implemented for `!`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error might have been caused by changes to Rust's type-inference algorithm (see issue #148922 <https://github.com/rust-lang/rust/issues/148922> for more information)
[INFO] [stdout]     = help: you might have intended to use the type `()` here instead
[INFO] [stdout] note: required by a bound in `IterExt::collect_fallible`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/jtd-derive-macros-0.1.4/src/iter_ext.rs:6:12
[INFO] [stdout]     |
[INFO] [stdout]   4 |     fn collect_fallible<B>(self) -> Result<B, syn::Error>
[INFO] [stdout]     |        ---------------- required by a bound in this associated function
[INFO] [stdout]   5 |     where
[INFO] [stdout]   6 |         B: Default + Extend<T>;
[INFO] [stdout]     |            ^^^^^^^ required by this bound in `IterExt::collect_fallible`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `!: Extend<()>` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/jtd-derive-macros-0.1.4/src/derive/context/container.rs:204:14
[INFO] [stdout]     |
[INFO] [stdout] 204 |             .collect_fallible()?;
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^ the trait `Extend<()>` is not implemented for `!`
[INFO] [stdout]     |
[INFO] [stdout] help: the trait `Extend<()>` is implemented for `()`
[INFO] [stdout]    --> /rustc/5ec4d3b0c83717313176eefa7d71e9d36dc83355/library/core/src/iter/traits/collect.rs:454:0
[INFO] [stdout]     = note: this error might have been caused by changes to Rust's type-inference algorithm (see issue #148922 <https://github.com/rust-lang/rust/issues/148922> for more information)
[INFO] [stdout]     = help: you might have intended to use the type `()` here instead
[INFO] [stdout] note: required by a bound in `IterExt::collect_fallible`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/jtd-derive-macros-0.1.4/src/iter_ext.rs:6:22
[INFO] [stdout]     |
[INFO] [stdout]   4 |     fn collect_fallible<B>(self) -> Result<B, syn::Error>
[INFO] [stdout]     |        ---------------- required by a bound in this associated function
[INFO] [stdout]   5 |     where
[INFO] [stdout]   6 |         B: Default + Extend<T>;
[INFO] [stdout]     |                      ^^^^^^^^^ required by this bound in `IterExt::collect_fallible`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `!: std::default::Default` is not satisfied
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/jtd-derive-macros-0.1.4/src/derive/context/field.rs:78:14
[INFO] [stdout]    |
[INFO] [stdout] 78 |             .collect_fallible()?;
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^ the trait `std::default::Default` is not implemented for `!`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error might have been caused by changes to Rust's type-inference algorithm (see issue #148922 <https://github.com/rust-lang/rust/issues/148922> for more information)
[INFO] [stdout]    = help: you might have intended to use the type `()` here instead
[INFO] [stdout] note: required by a bound in `IterExt::collect_fallible`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/jtd-derive-macros-0.1.4/src/iter_ext.rs:6:12
[INFO] [stdout]    |
[INFO] [stdout]  4 |     fn collect_fallible<B>(self) -> Result<B, syn::Error>
[INFO] [stdout]    |        ---------------- required by a bound in this associated function
[INFO] [stdout]  5 |     where
[INFO] [stdout]  6 |         B: Default + Extend<T>;
[INFO] [stdout]    |            ^^^^^^^ required by this bound in `IterExt::collect_fallible`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `!: Extend<()>` is not satisfied
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/jtd-derive-macros-0.1.4/src/derive/context/field.rs:78:14
[INFO] [stdout]    |
[INFO] [stdout] 78 |             .collect_fallible()?;
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^ the trait `Extend<()>` is not implemented for `!`
[INFO] [stdout]    |
[INFO] [stdout] help: the trait `Extend<()>` is implemented for `()`
[INFO] [stdout]   --> /rustc/5ec4d3b0c83717313176eefa7d71e9d36dc83355/library/core/src/iter/traits/collect.rs:454:0
[INFO] [stdout]    = note: this error might have been caused by changes to Rust's type-inference algorithm (see issue #148922 <https://github.com/rust-lang/rust/issues/148922> for more information)
[INFO] [stdout]    = help: you might have intended to use the type `()` here instead
[INFO] [stdout] note: required by a bound in `IterExt::collect_fallible`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/jtd-derive-macros-0.1.4/src/iter_ext.rs:6:22
[INFO] [stdout]    |
[INFO] [stdout]  4 |     fn collect_fallible<B>(self) -> Result<B, syn::Error>
[INFO] [stdout]    |        ---------------- required by a bound in this associated function
[INFO] [stdout]  5 |     where
[INFO] [stdout]  6 |         B: Default + Extend<T>;
[INFO] [stdout]    |                      ^^^^^^^^^ required by this bound in `IterExt::collect_fallible`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `jtd-derive-macros` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ec353079bbf7cb5930bdf236d7dd4777e7520e2d51cf68fea9c109c22b75c3f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec353079bbf7cb5930bdf236d7dd4777e7520e2d51cf68fea9c109c22b75c3f5", kill_on_drop: false }`
[INFO] [stdout] ec353079bbf7cb5930bdf236d7dd4777e7520e2d51cf68fea9c109c22b75c3f5
