[INFO] cloning repository https://github.com/uint/jtd-derive
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/uint/jtd-derive" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuint%2Fjtd-derive", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuint%2Fjtd-derive'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0b6aeb2e95ec991803606430ebff0adfdfd66d10
[INFO] checking uint/jtd-derive against try#66388cc165a6c4ac98c074dc9f0281ff23528c55 for pr-150727
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuint%2Fjtd-derive" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/uint/jtd-derive
[INFO] finished tweaking git repo https://github.com/uint/jtd-derive
[INFO] tweaked toml for git repo https://github.com/uint/jtd-derive written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/uint/jtd-derive on toolchain 66388cc165a6c4ac98c074dc9f0281ff23528c55
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/uint/jtd-derive 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" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking uint/jtd-derive against try#66388cc165a6c4ac98c074dc9f0281ff23528c55 for pr-150727
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuint%2Fjtd-derive" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/uint/jtd-derive
[INFO] finished tweaking git repo https://github.com/uint/jtd-derive
[INFO] tweaked toml for git repo https://github.com/uint/jtd-derive written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/uint/jtd-derive on toolchain 66388cc165a6c4ac98c074dc9f0281ff23528c55
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/uint/jtd-derive 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" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded trybuild v1.0.89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 354d2d4f50f8519301e5faadc3b600291d7821a762e0cbacf2eaa0d14f87e2dd
[INFO] running `Command { std: "docker" "start" "-a" "354d2d4f50f8519301e5faadc3b600291d7821a762e0cbacf2eaa0d14f87e2dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "354d2d4f50f8519301e5faadc3b600291d7821a762e0cbacf2eaa0d14f87e2dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "354d2d4f50f8519301e5faadc3b600291d7821a762e0cbacf2eaa0d14f87e2dd", kill_on_drop: false }`
[INFO] [stdout] 354d2d4f50f8519301e5faadc3b600291d7821a762e0cbacf2eaa0d14f87e2dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d26cc8d3fda10f0604f2ef2c3f7e750518f9b9ec45a028577eaae715276bf7f
[INFO] running `Command { std: "docker" "start" "-a" "3d26cc8d3fda10f0604f2ef2c3f7e750518f9b9ec45a028577eaae715276bf7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling trybuild v1.0.89
[INFO] [stderr]     Checking unicode-ident v1.0.6
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]     Checking proc-macro-error v1.0.4
[INFO] [stderr]     Checking serde_derive_internals v0.26.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stderr]     Checking thiserror v1.0.38
[INFO] [stderr]    Compiling jtd-derive-macros v0.1.4 (/opt/rustwide/workdir/macros)
[INFO] [stdout] error: this function depends on never type fallback being `()`
[INFO] [stdout]    --> macros/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 Rust 2024 and in a future release in all editions!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/never-type-fallback.html>
[INFO] [stdout]     = help: specify the types explicitly
[INFO] [stdout] note: in edition 2024, the requirement `!: std::default::Default` will fail
[INFO] [stdout]    --> macros/src/derive/context/container.rs:204:14
[INFO] [stdout]     |
[INFO] [stdout] 204 |             .collect_fallible()?;
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[deny(dependency_on_unit_never_type_fallback)]` (part of `#[deny(rust_2024_compatibility)]`) on by default
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]     |
[INFO] [stdout] 204 |             .collect_fallible::<()>()?;
[INFO] [stdout]     |                              ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this function depends on never type fallback being `()`
[INFO] [stdout]   --> macros/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 Rust 2024 and in a future release in all editions!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/never-type-fallback.html>
[INFO] [stdout]    = help: specify the types explicitly
[INFO] [stdout] note: in edition 2024, the requirement `!: std::default::Default` will fail
[INFO] [stdout]   --> macros/src/derive/context/field.rs:78:14
[INFO] [stdout]    |
[INFO] [stdout] 78 |             .collect_fallible()?;
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]    |
[INFO] [stdout] 78 |             .collect_fallible::<()>()?;
[INFO] [stdout]    |                              ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this function depends on never type fallback being `()`
[INFO] [stdout]    --> macros/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 Rust 2024 and in a future release in all editions!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/never-type-fallback.html>
[INFO] [stdout]     = help: specify the types explicitly
[INFO] [stdout] note: in edition 2024, the requirement `!: std::default::Default` will fail
[INFO] [stdout]    --> macros/src/derive/context/container.rs:204:14
[INFO] [stdout]     |
[INFO] [stdout] 204 |             .collect_fallible()?;
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[deny(dependency_on_unit_never_type_fallback)]` (part of `#[deny(rust_2024_compatibility)]`) on by default
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]     |
[INFO] [stdout] 204 |             .collect_fallible::<()>()?;
[INFO] [stdout]     |                              ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this function depends on never type fallback being `()`
[INFO] [stdout]   --> macros/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 Rust 2024 and in a future release in all editions!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/never-type-fallback.html>
[INFO] [stdout]    = help: specify the types explicitly
[INFO] [stdout] note: in edition 2024, the requirement `!: std::default::Default` will fail
[INFO] [stdout]   --> macros/src/derive/context/field.rs:78:14
[INFO] [stdout]    |
[INFO] [stdout] 78 |             .collect_fallible()?;
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]    |
[INFO] [stdout] 78 |             .collect_fallible::<()>()?;
[INFO] [stdout]    |                              ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `no_serde` is never read
[INFO] [stdout]   --> macros/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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `jtd-derive-macros` (lib) due to 4 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this function depends on never type fallback being `()`
[INFO] [stdout]    --> macros/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 Rust 2024 and in a future release in all editions!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/never-type-fallback.html>
[INFO] [stdout]     = help: specify the types explicitly
[INFO] [stdout] note: in edition 2024, the requirement `!: std::default::Default` will fail
[INFO] [stdout]    --> macros/src/derive/context/container.rs:204:14
[INFO] [stdout]     |
[INFO] [stdout] 204 |             .collect_fallible()?;
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[deny(dependency_on_unit_never_type_fallback)]` (part of `#[deny(rust_2024_compatibility)]`) on by default
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]     |
[INFO] [stdout] 204 |             .collect_fallible::<()>()?;
[INFO] [stdout]     |                              ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this function depends on never type fallback being `()`
[INFO] [stdout]   --> macros/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 Rust 2024 and in a future release in all editions!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/never-type-fallback.html>
[INFO] [stdout]    = help: specify the types explicitly
[INFO] [stdout] note: in edition 2024, the requirement `!: std::default::Default` will fail
[INFO] [stdout]   --> macros/src/derive/context/field.rs:78:14
[INFO] [stdout]    |
[INFO] [stdout] 78 |             .collect_fallible()?;
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]    |
[INFO] [stdout] 78 |             .collect_fallible::<()>()?;
[INFO] [stdout]    |                              ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `no_serde` is never read
[INFO] [stdout]   --> macros/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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `jtd-derive-macros` (lib) due to 4 previous errors; 1 warning emitted
[INFO] [stdout] warning: field `no_serde` is never read
[INFO] [stdout]   --> macros/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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `jtd-derive-macros` (lib test) due to 4 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "3d26cc8d3fda10f0604f2ef2c3f7e750518f9b9ec45a028577eaae715276bf7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d26cc8d3fda10f0604f2ef2c3f7e750518f9b9ec45a028577eaae715276bf7f", kill_on_drop: false }`
[INFO] [stdout] 3d26cc8d3fda10f0604f2ef2c3f7e750518f9b9ec45a028577eaae715276bf7f
