[INFO] fetching crate rstc 0.1.0...
[INFO] testing rstc-0.1.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate rstc 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate rstc 0.1.0
[INFO] finished tweaking crates.io crate rstc 0.1.0
[INFO] tweaked toml for crates.io crate rstc 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rstc 0.1.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rstc 0.1.0 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded supports-color v3.0.0
[INFO] [stderr]   Downloaded biome_text_edit v0.5.7
[INFO] [stderr]   Downloaded supports-hyperlinks v3.0.0
[INFO] [stderr]   Downloaded indexvec v0.5.4
[INFO] [stderr]   Downloaded biome_text_size v0.5.7
[INFO] [stderr]   Downloaded json-strip-comments v1.0.2
[INFO] [stderr]   Downloaded biome_console v0.5.7
[INFO] [stderr]   Downloaded biome_unicode_table v0.5.7
[INFO] [stderr]   Downloaded biome_diagnostics_categories v0.5.7
[INFO] [stderr]   Downloaded schemars_derive v0.8.16
[INFO] [stderr]   Downloaded biome_js_factory v0.5.7
[INFO] [stderr]   Downloaded schemars v0.8.16
[INFO] [stderr]   Downloaded oxc_resolver v1.6.5
[INFO] [stderr]   Downloaded scc v2.1.0
[INFO] [stderr]   Downloaded biome_diagnostics v0.5.7
[INFO] [stderr]   Downloaded biome_js_syntax v0.5.7
[INFO] [stderr]   Downloaded biome_parser v0.5.7
[INFO] [stderr]   Downloaded bpaf_derive v0.5.10
[INFO] [stderr]   Downloaded bpaf v0.9.11
[INFO] [stderr]   Downloaded biome_rowan v0.5.7
[INFO] [stderr]   Downloaded biome_markup v0.5.7
[INFO] [stderr]   Downloaded biome_diagnostics_macros v0.5.7
[INFO] [stderr]   Downloaded nodejs_package_json v0.2.0
[INFO] [stderr]   Downloaded typescript_tsconfig_json v0.1.4
[INFO] [stderr]   Downloaded sdd v0.2.0
[INFO] [stderr]   Downloaded rustix v0.38.33
[INFO] [stderr]   Downloaded biome_js_parser v0.5.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8073b1f55960741ff0f94a2e37c2da982a12d2380c7f70209e816e0424b013e8
[INFO] running `Command { std: "docker" "start" "-a" "8073b1f55960741ff0f94a2e37c2da982a12d2380c7f70209e816e0424b013e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8073b1f55960741ff0f94a2e37c2da982a12d2380c7f70209e816e0424b013e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8073b1f55960741ff0f94a2e37c2da982a12d2380c7f70209e816e0424b013e8", kill_on_drop: false }`
[INFO] [stdout] 8073b1f55960741ff0f94a2e37c2da982a12d2380c7f70209e816e0424b013e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3683188dfc9e212e654e7afdfb312789ac54cbd45428c8aa2eaae7697f850739
[INFO] running `Command { std: "docker" "start" "-a" "3683188dfc9e212e654e7afdfb312789ac54cbd45428c8aa2eaae7697f850739", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]    Compiling serde v1.0.199
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling serde_json v1.0.116
[INFO] [stderr]    Compiling ryu v1.0.17
[INFO] [stderr]    Compiling cc v1.0.95
[INFO] [stderr]    Compiling thiserror v1.0.59
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling gimli v0.28.1
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling miniz_oxide v0.7.2
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling schemars v0.8.16
[INFO] [stderr]    Compiling rustc-demangle v0.1.23
[INFO] [stderr]    Compiling pin-project-lite v0.2.14
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling dyn-clone v1.0.17
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling clean-path v0.2.1
[INFO] [stderr]    Compiling dunce v1.0.4
[INFO] [stderr]    Compiling json-strip-comments v1.0.2
[INFO] [stderr]    Compiling rustix v0.38.33
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling rustversion v1.0.15
[INFO] [stderr]    Compiling unicode-linebreak v0.1.5
[INFO] [stderr]    Compiling similar v2.5.0
[INFO] [stderr]    Compiling anyhow v1.0.82
[INFO] [stderr]    Compiling smawk v0.3.2
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling is_ci v1.2.0
[INFO] [stderr]    Compiling drop_bomb v0.1.5
[INFO] [stderr]    Compiling textwrap v0.16.1
[INFO] [stderr]    Compiling supports-color v3.0.0
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling owo-colors v4.0.0
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling biome_unicode_table v0.5.7
[INFO] [stderr]    Compiling supports-unicode v3.0.0
[INFO] [stderr]    Compiling sdd v0.2.0
[INFO] [stderr]    Compiling unicode-bom v2.0.3
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling supports-hyperlinks v3.0.0
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]    Compiling biome_diagnostics_categories v0.5.7
[INFO] [stderr]    Compiling tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling indexvec v0.5.4
[INFO] [stderr]    Compiling id-arena v2.2.1
[INFO] [stderr]    Compiling scc v2.1.0
[INFO] [stderr]    Compiling dashmap v5.5.3
[INFO] [stderr]    Compiling strum v0.26.2
[INFO] [stderr]    Compiling terminal_size v0.3.0
[INFO] [stderr]    Compiling addr2line v0.21.0
[INFO] [stderr]    Compiling biome_markup v0.5.7
[INFO] [stderr]    Compiling serde_derive_internals v0.26.0
[INFO] [stderr]    Compiling biome_diagnostics_macros v0.5.7
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling schemars_derive v0.8.16
[INFO] [stderr]    Compiling backtrace-ext v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.199
[INFO] [stderr]    Compiling thiserror-impl v1.0.59
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling bpaf_derive v0.5.10
[INFO] [stderr]    Compiling miette-derive v7.2.0
[INFO] [stderr]    Compiling derive-new v0.6.0
[INFO] [stderr]    Compiling strum_macros v0.26.2
[INFO] [stderr]    Compiling bpaf v0.9.11
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling miette v7.2.0
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]    Compiling biome_text_size v0.5.7
[INFO] [stderr]    Compiling biome_text_edit v0.5.7
[INFO] [stderr]    Compiling biome_rowan v0.5.7
[INFO] [stderr]    Compiling nodejs_package_json v0.2.0
[INFO] [stderr]    Compiling typescript_tsconfig_json v0.1.4
[INFO] [stderr]    Compiling oxc_resolver v1.6.5
[INFO] [stderr]    Compiling biome_console v0.5.7
[INFO] [stderr]    Compiling biome_diagnostics v0.5.7
[INFO] [stderr]    Compiling biome_js_syntax v0.5.7
[INFO] [stderr]    Compiling biome_parser v0.5.7
[INFO] [stderr]    Compiling biome_js_factory v0.5.7
[INFO] [stderr]    Compiling biome_js_parser v0.5.7
[INFO] [stderr]    Compiling rstc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]   --> src/compiler/binder.rs:99:20
[INFO] [stdout]    |
[INFO] [stdout] 99 |                 if let Some(symbol_id) = module_symbol
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/compiler/binder.rs:100:24
[INFO] [stdout]     |
[INFO] [stdout] 100 |                     && let Some(symbol) = self.symbol_table.get_symbol_mut(symbol_id)
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]   --> src/compiler/checker/check_function.rs:27:16
[INFO] [stdout]    |
[INFO] [stdout] 27 |             if let Some(callee_type) = callee_type
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]   --> src/compiler/checker/check_function.rs:28:20
[INFO] [stdout]    |
[INFO] [stdout] 28 |                 && let Type::Function(fn_type) = callee_type
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/compiler/checker/check_visitors.rs:148:16
[INFO] [stdout]     |
[INFO] [stdout] 148 |             if let Some(symbol_links) = symbol_id.get_symbol_links(self)
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/compiler/checker/check_visitors.rs:149:20
[INFO] [stdout]     |
[INFO] [stdout] 149 |                 && let Some(value_type) = symbol_links.value_type
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]  --> src/compiler/diagnostic.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn fancy_print(diag: &(dyn Diagnostic)) -> String {
[INFO] [stdout]   |                           ^              ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 3 - pub fn fancy_print(diag: &(dyn Diagnostic)) -> String {
[INFO] [stdout] 3 + pub fn fancy_print(diag: &dyn Diagnostic) -> String {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `let_chains` has been stable since 1.88.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(let_chains)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rstc` (lib) due to 6 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "3683188dfc9e212e654e7afdfb312789ac54cbd45428c8aa2eaae7697f850739", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3683188dfc9e212e654e7afdfb312789ac54cbd45428c8aa2eaae7697f850739", kill_on_drop: false }`
[INFO] [stdout] 3683188dfc9e212e654e7afdfb312789ac54cbd45428c8aa2eaae7697f850739