[INFO] fetching crate nitron 0.1.1...
[INFO] checking nitron-0.1.1 against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] extracting crate nitron 0.1.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate nitron 0.1.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate nitron 0.1.1
[INFO] tweaked toml for crates.io crate nitron 0.1.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nitron 0.1.1 on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate nitron 0.1.1 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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 196085e5ad513a934cbb24b7eb634ab15e7b34c9bd98aff5c3fcb643224191f2
[INFO] running `Command { std: "docker" "start" "-a" "196085e5ad513a934cbb24b7eb634ab15e7b34c9bd98aff5c3fcb643224191f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "196085e5ad513a934cbb24b7eb634ab15e7b34c9bd98aff5c3fcb643224191f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "196085e5ad513a934cbb24b7eb634ab15e7b34c9bd98aff5c3fcb643224191f2", kill_on_drop: false }`
[INFO] [stdout] 196085e5ad513a934cbb24b7eb634ab15e7b34c9bd98aff5c3fcb643224191f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e13dec20023d305d8f9189ac984ae8b3a4efc9511a57ebec40fa066a1b8dd272
[INFO] running `Command { std: "docker" "start" "-a" "e13dec20023d305d8f9189ac984ae8b3a4efc9511a57ebec40fa066a1b8dd272", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]     Checking rustc-hash v2.1.1
[INFO] [stderr]     Checking grid v1.0.0
[INFO] [stderr]     Checking bumpalo v3.19.0
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]     Checking taffy v0.9.2
[INFO] [stderr]     Checking nitron-signals v0.1.1
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling darling_core v0.21.3
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling derive-where v1.6.0
[INFO] [stderr]    Compiling syn_derive v0.2.0
[INFO] [stderr]    Compiling rstml v0.12.1
[INFO] [stderr]    Compiling nitron-macros v0.1.1
[INFO] [stderr]    Compiling darling_macro v0.21.3
[INFO] [stderr]    Compiling darling v0.21.3
[INFO] [stderr]    Compiling bon-macros v3.8.1
[INFO] [stderr]     Checking bon v3.8.1
[INFO] [stderr]     Checking nitron v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `compute_taffy_dimension`, `compute_taffy_length_percentage_auto`, and `compute_taffy_length_percentage` are never used
[INFO] [stdout]   --> src/values.rs:23:19
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Dim {
[INFO] [stdout]    | -------- methods in this implementation
[INFO] [stdout] 23 |     pub(crate) fn compute_taffy_dimension(
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub(crate) fn compute_taffy_length_percentage_auto(
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub(crate) fn compute_taffy_length_percentage(
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `View` is never constructed
[INFO] [stdout]  --> src/view.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct View<B: IntoBackground, C: IntoWidget> {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]   = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `background` and `children` are never read
[INFO] [stdout]  --> src/view.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct View<B: IntoBackground, C: IntoWidget> {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 4 |     background: B::Background,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 5 |     children: C::Widget,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nitron` (lib) due to 1 previous error; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: methods `compute_taffy_dimension`, `compute_taffy_length_percentage_auto`, and `compute_taffy_length_percentage` are never used
[INFO] [stdout]   --> src/values.rs:23:19
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Dim {
[INFO] [stdout]    | -------- methods in this implementation
[INFO] [stdout] 23 |     pub(crate) fn compute_taffy_dimension(
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub(crate) fn compute_taffy_length_percentage_auto(
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub(crate) fn compute_taffy_length_percentage(
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `View` is never constructed
[INFO] [stdout]  --> src/view.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct View<B: IntoBackground, C: IntoWidget> {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]   = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `background` and `children` are never read
[INFO] [stdout]  --> src/view.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct View<B: IntoBackground, C: IntoWidget> {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 4 |     background: B::Background,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 5 |     children: C::Widget,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nitron` (lib test) due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "e13dec20023d305d8f9189ac984ae8b3a4efc9511a57ebec40fa066a1b8dd272", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e13dec20023d305d8f9189ac984ae8b3a4efc9511a57ebec40fa066a1b8dd272", kill_on_drop: false }`
[INFO] [stdout] e13dec20023d305d8f9189ac984ae8b3a4efc9511a57ebec40fa066a1b8dd272
