[INFO] fetching crate robyn 0.1.0-alpha...
[INFO] checking robyn-0.1.0-alpha against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] extracting crate robyn 0.1.0-alpha into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate robyn 0.1.0-alpha
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate robyn 0.1.0-alpha
[INFO] tweaked toml for crates.io crate robyn 0.1.0-alpha written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate robyn 0.1.0-alpha on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate robyn 0.1.0-alpha 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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cda0cdb0e75c1aa34e584adb9a3b43a4138e87ea14fa055aead962fd7d65f8e1
[INFO] running `Command { std: "docker" "start" "-a" "cda0cdb0e75c1aa34e584adb9a3b43a4138e87ea14fa055aead962fd7d65f8e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cda0cdb0e75c1aa34e584adb9a3b43a4138e87ea14fa055aead962fd7d65f8e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cda0cdb0e75c1aa34e584adb9a3b43a4138e87ea14fa055aead962fd7d65f8e1", kill_on_drop: false }`
[INFO] [stdout] cda0cdb0e75c1aa34e584adb9a3b43a4138e87ea14fa055aead962fd7d65f8e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 252ca8d2f8a9239d4a049a5d447b563cf0bb54d83c3982b7cf41b35ccbfdadcc
[INFO] running `Command { std: "docker" "start" "-a" "252ca8d2f8a9239d4a049a5d447b563cf0bb54d83c3982b7cf41b35ccbfdadcc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.83
[INFO] [stderr]    Compiling thiserror v1.0.61
[INFO] [stderr]     Checking either v1.12.0
[INFO] [stderr]     Checking unicode-width v0.1.13
[INFO] [stderr]     Checking bytemuck v1.16.0
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking ariadne v0.4.1
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking parking_lot v0.12.2
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.65
[INFO] [stderr]    Compiling dumpster_derive v0.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.61
[INFO] [stderr]     Checking dumpster v0.2.1
[INFO] [stderr]     Checking robyn v0.1.0-alpha (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `OsStr`, `OsString`, and `rc::Rc`
[INFO] [stdout]  --> src/ir/gc.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 |     ffi::{OsStr, OsString},
[INFO] [stdout]   |           ^^^^^  ^^^^^^^^
[INFO] [stdout] 7 |     ops::Deref,
[INFO] [stdout] 8 |     rc::Rc,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ReportKind`, `Report`, and `Source`
[INFO] [stdout]   --> src/ir/gc.rs:11:15
[INFO] [stdout]    |
[INFO] [stdout] 11 | use ariadne::{Report, ReportKind, Source};
[INFO] [stdout]    |               ^^^^^^  ^^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Diagnostic`
[INFO] [stdout]   --> src/ir/gc.rs:27:45
[INFO] [stdout]    |
[INFO] [stdout] 27 |     AttrData, AttributeData, BlockPosition, Diagnostic, DictionaryData, OpaqueAttributeData,
[INFO] [stdout]    |                                             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ReportKind` and `Report`
[INFO] [stdout]  --> src/ir.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use ariadne::{Report, ReportBuilder, ReportKind};
[INFO] [stdout]   |               ^^^^^^                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `OsStr`, `OsString`, and `rc::Rc`
[INFO] [stdout]  --> src/ir/gc.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 |     ffi::{OsStr, OsString},
[INFO] [stdout]   |           ^^^^^  ^^^^^^^^
[INFO] [stdout] 7 |     ops::Deref,
[INFO] [stdout] 8 |     rc::Rc,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ReportKind`, `Report`, and `Source`
[INFO] [stdout]   --> src/ir/gc.rs:11:15
[INFO] [stdout]    |
[INFO] [stdout] 11 | use ariadne::{Report, ReportKind, Source};
[INFO] [stdout]    |               ^^^^^^  ^^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Diagnostic`
[INFO] [stdout]   --> src/ir/gc.rs:27:45
[INFO] [stdout]    |
[INFO] [stdout] 27 |     AttrData, AttributeData, BlockPosition, Diagnostic, DictionaryData, OpaqueAttributeData,
[INFO] [stdout]    |                                             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ReportKind` and `Report`
[INFO] [stdout]  --> src/ir.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use ariadne::{Report, ReportBuilder, ReportKind};
[INFO] [stdout]   |               ^^^^^^                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `DiagnosticLabel` is never constructed
[INFO] [stdout]   --> src/diagnostic.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct DiagnosticLabel {
[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_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Diagnostic` is never constructed
[INFO] [stdout]   --> src/diagnostic.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Diagnostic {
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `msg`, `attached_to`, `color`, `order`, and `priority` are never read
[INFO] [stdout]   --> src/diagnostic.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct DiagnosticLabel {
[INFO] [stdout]    |            --------------- fields in this struct
[INFO] [stdout] 11 |     msg: Box<str>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 12 |     attached_to: Span,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 13 |     color: Option<Color>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 14 |     order: i32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 15 |     priority: i32,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `kind` and `labels` are never read
[INFO] [stdout]   --> src/diagnostic.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Diagnostic {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 19 |     kind: DiagnosticKind,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 20 |     labels: Vec<DiagnosticLabel>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Span` is never constructed
[INFO] [stdout]   --> src/ir.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Span(usize);
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/ir.rs:23:17
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Span(usize);
[INFO] [stdout]    |            ---- ^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_mut` is never used
[INFO] [stdout]    --> src/ir/gc.rs:653:8
[INFO] [stdout]     |
[INFO] [stdout] 644 | impl GcAttributeRef {
[INFO] [stdout]     | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 653 |     fn get_mut(&self) -> std::cell::RefMut<'_, GcAttribute> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `DiagnosticLabel` is never constructed
[INFO] [stdout]   --> src/diagnostic.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct DiagnosticLabel {
[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_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Diagnostic` is never constructed
[INFO] [stdout]   --> src/diagnostic.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Diagnostic {
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `msg`, `attached_to`, `color`, `order`, and `priority` are never read
[INFO] [stdout]   --> src/diagnostic.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct DiagnosticLabel {
[INFO] [stdout]    |            --------------- fields in this struct
[INFO] [stdout] 11 |     msg: Box<str>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 12 |     attached_to: Span,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 13 |     color: Option<Color>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 14 |     order: i32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 15 |     priority: i32,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `kind` and `labels` are never read
[INFO] [stdout]   --> src/diagnostic.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Diagnostic {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 19 |     kind: DiagnosticKind,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 20 |     labels: Vec<DiagnosticLabel>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Span` is never constructed
[INFO] [stdout]   --> src/ir.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Span(usize);
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/ir.rs:23:17
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Span(usize);
[INFO] [stdout]    |            ---- ^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_mut` is never used
[INFO] [stdout]    --> src/ir/gc.rs:653:8
[INFO] [stdout]     |
[INFO] [stdout] 644 | impl GcAttributeRef {
[INFO] [stdout]     | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 653 |     fn get_mut(&self) -> std::cell::RefMut<'_, GcAttribute> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `robyn` (lib) due to 3 previous errors; 8 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `robyn` (lib test) due to 3 previous errors; 8 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "252ca8d2f8a9239d4a049a5d447b563cf0bb54d83c3982b7cf41b35ccbfdadcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "252ca8d2f8a9239d4a049a5d447b563cf0bb54d83c3982b7cf41b35ccbfdadcc", kill_on_drop: false }`
[INFO] [stdout] 252ca8d2f8a9239d4a049a5d447b563cf0bb54d83c3982b7cf41b35ccbfdadcc
