[INFO] fetching crate jtd-derive-macros 0.1.4...
[INFO] checking jtd-derive-macros-0.1.4 against try#24cd45d7714ba43afd4b8e62fb677b069b21c4a5 for pr-129543
[INFO] extracting crate jtd-derive-macros 0.1.4 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate jtd-derive-macros 0.1.4 on toolchain 24cd45d7714ba43afd4b8e62fb677b069b21c4a5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jtd-derive-macros 0.1.4
[INFO] finished tweaking crates.io crate jtd-derive-macros 0.1.4
[INFO] tweaked toml for crates.io crate jtd-derive-macros 0.1.4 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 12 packages to latest compatible versions
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.13.0)
[INFO] [stderr]       Adding serde_derive_internals v0.26.0 (latest: v0.29.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ce84315ab78e2710603062e9f92d6d230cafac5bb466fbd44dc552c66452fd3
[INFO] running `Command { std: "docker" "start" "-a" "8ce84315ab78e2710603062e9f92d6d230cafac5bb466fbd44dc552c66452fd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ce84315ab78e2710603062e9f92d6d230cafac5bb466fbd44dc552c66452fd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ce84315ab78e2710603062e9f92d6d230cafac5bb466fbd44dc552c66452fd3", kill_on_drop: false }`
[INFO] [stdout] 8ce84315ab78e2710603062e9f92d6d230cafac5bb466fbd44dc552c66452fd3
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49118e4a085e69dc04aab07288e9af271f86a1cb654c1e5cbaf1061666091792
[INFO] running `Command { std: "docker" "start" "-a" "49118e4a085e69dc04aab07288e9af271f86a1cb654c1e5cbaf1061666091792", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking syn v1.0.109
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking serde_derive_internals v0.26.0
[INFO] [stderr]     Checking jtd-derive-macros v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this function depends on never type fallback being `()`
[INFO] [stdout]    --> src/derive/context/container.rs:24:5
[INFO] [stdout]     |
[INFO] [stdout] 24  |     pub fn from_input(input: &DeriveInput) -> Result<Self, syn::Error> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #123748 <https://github.com/rust-lang/rust/issues/123748>
[INFO] [stdout]     = help: specify the types explicitly
[INFO] [stdout] note: in edition 2024, the requirement `!: std::default::Default` will fail
[INFO] [stdout]    --> src/derive/context/container.rs:204:14
[INFO] [stdout]     |
[INFO] [stdout] 204 |             .collect_fallible()?;
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(dependency_on_unit_never_type_fallback)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this function depends on never type fallback being `()`
[INFO] [stdout]   --> src/derive/context/field.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn from_input(input: &Field) -> Result<Self, syn::Error> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #123748 <https://github.com/rust-lang/rust/issues/123748>
[INFO] [stdout]    = help: specify the types explicitly
[INFO] [stdout] note: in edition 2024, the requirement `!: std::default::Default` will fail
[INFO] [stdout]   --> src/derive/context/field.rs:78:14
[INFO] [stdout]    |
[INFO] [stdout] 78 |             .collect_fallible()?;
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this function depends on never type fallback being `()`
[INFO] [stdout]    --> src/derive/context/container.rs:24:5
[INFO] [stdout]     |
[INFO] [stdout] 24  |     pub fn from_input(input: &DeriveInput) -> Result<Self, syn::Error> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #123748 <https://github.com/rust-lang/rust/issues/123748>
[INFO] [stdout]     = help: specify the types explicitly
[INFO] [stdout] note: in edition 2024, the requirement `!: std::default::Default` will fail
[INFO] [stdout]    --> src/derive/context/container.rs:204:14
[INFO] [stdout]     |
[INFO] [stdout] 204 |             .collect_fallible()?;
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(dependency_on_unit_never_type_fallback)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this function depends on never type fallback being `()`
[INFO] [stdout]   --> src/derive/context/field.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn from_input(input: &Field) -> Result<Self, syn::Error> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #123748 <https://github.com/rust-lang/rust/issues/123748>
[INFO] [stdout]    = help: specify the types explicitly
[INFO] [stdout] note: in edition 2024, the requirement `!: std::default::Default` will fail
[INFO] [stdout]   --> src/derive/context/field.rs:78:14
[INFO] [stdout]    |
[INFO] [stdout] 78 |             .collect_fallible()?;
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `no_serde` is never read
[INFO] [stdout]   --> src/derive/context/container.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Container {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 12 |     pub no_serde: bool,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `no_serde` is never read
[INFO] [stdout]   --> src/derive/context/container.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Container {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 12 |     pub no_serde: bool,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.98s
[INFO] running `Command { std: "docker" "inspect" "49118e4a085e69dc04aab07288e9af271f86a1cb654c1e5cbaf1061666091792", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49118e4a085e69dc04aab07288e9af271f86a1cb654c1e5cbaf1061666091792", kill_on_drop: false }`
[INFO] [stdout] 49118e4a085e69dc04aab07288e9af271f86a1cb654c1e5cbaf1061666091792