[INFO] cloning repository https://github.com/qnighy/gotham-todolist-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qnighy/gotham-todolist-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqnighy%2Fgotham-todolist-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqnighy%2Fgotham-todolist-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f646605c91ddc8aad25570948ab211b95087f655
[INFO] checking qnighy/gotham-todolist-example against try#7b3da9103634dffd4f4365cfd8642427c781d99f+rustflags=-Dinherent-method-on-receiver for 152214-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqnighy%2Fgotham-todolist-example" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/qnighy/gotham-todolist-example
[INFO] finished tweaking git repo https://github.com/qnighy/gotham-todolist-example
[INFO] tweaked toml for git repo https://github.com/qnighy/gotham-todolist-example written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/qnighy/gotham-todolist-example on toolchain 7b3da9103634dffd4f4365cfd8642427c781d99f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/qnighy/gotham-todolist-example 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" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: /workspace/builds/worker-4-tc2/source/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: /workspace/builds/worker-4-tc2/source/gotham-session-redis/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/sunng87/handlebars-gotham.git`
[INFO] [stderr]     Updating git repository `https://github.com/qnighy/mysql_async.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking qnighy/gotham-todolist-example against try#7b3da9103634dffd4f4365cfd8642427c781d99f+rustflags=-Dinherent-method-on-receiver for 152214-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqnighy%2Fgotham-todolist-example" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/qnighy/gotham-todolist-example
[INFO] finished tweaking git repo https://github.com/qnighy/gotham-todolist-example
[INFO] tweaked toml for git repo https://github.com/qnighy/gotham-todolist-example written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/qnighy/gotham-todolist-example on toolchain 7b3da9103634dffd4f4365cfd8642427c781d99f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/qnighy/gotham-todolist-example 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" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: /workspace/builds/worker-4-tc2/source/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: /workspace/builds/worker-4-tc2/source/gotham-session-redis/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 iovec v0.1.2
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[INFO] [stderr]   Downloaded tokio-udp v0.1.0
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[INFO] [stderr]   Downloaded unreachable v1.0.0
[INFO] [stderr]   Downloaded bincode v1.0.0
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[INFO] [stderr]   Downloaded unicode-normalization v0.1.5
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[INFO] [stderr]   Downloaded rand v0.3.22
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[INFO] [stderr]   Downloaded serde_derive_internals v0.23.1
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[INFO] [stderr]   Downloaded crossbeam-utils v0.3.2
[INFO] [stderr]   Downloaded net2 v0.2.32
[INFO] [stderr]   Downloaded semver-parser v0.7.0
[INFO] [stderr]   Downloaded cargo_metadata v0.3.3
[INFO] [stderr]   Downloaded bitflags v0.9.1
[INFO] [stderr]   Downloaded safemem v0.2.0
[INFO] [stderr]   Downloaded tokio-service v0.1.0
[INFO] [stderr]   Downloaded version_check v0.1.3
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[INFO] [stderr]   Downloaded quote v0.5.2
[INFO] [stderr]   Downloaded uuid v0.6.3
[INFO] [stderr]   Downloaded redis-async v0.2.0
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.2
[INFO] [stderr]   Downloaded utf8-ranges v1.0.0
[INFO] [stderr]   Downloaded scoped-tls v0.1.1
[INFO] [stderr]   Downloaded matches v0.1.6
[INFO] [stderr]   Downloaded percent-encoding v1.0.1
[INFO] [stderr]   Downloaded tokio-tcp v0.1.0
[INFO] [stderr]   Downloaded nodrop v0.1.12
[INFO] [stderr]   Downloaded arrayvec v0.4.7
[INFO] [stderr]   Downloaded lazy_static v1.0.0
[INFO] [stderr]   Downloaded memoffset v0.2.1
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[INFO] [stderr]   Downloaded crossbeam-epoch v0.4.1
[INFO] [stderr]   Downloaded glob v0.2.11
[INFO] [stderr]   Downloaded crossbeam-utils v0.2.2
[INFO] [stderr]   Downloaded slab v0.4.0
[INFO] [stderr]   Downloaded tokio-executor v0.1.2
[INFO] [stderr]   Downloaded bytes v0.4.7
[INFO] [stderr]   Downloaded tokio-timer v0.2.1
[INFO] [stderr]   Downloaded bitflags v1.0.2
[INFO] [stderr]   Downloaded lazycell v0.6.0
[INFO] [stderr]   Downloaded tokio v0.1.5
[INFO] [stderr]   Downloaded log v0.4.1
[INFO] [stderr]   Downloaded mio v0.6.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 560fccea6ca932b54c76f2137c5e589271fb9e5bdcc8c415bcf5cde51d060102
[INFO] running `Command { std: "docker" "start" "-a" "560fccea6ca932b54c76f2137c5e589271fb9e5bdcc8c415bcf5cde51d060102", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "560fccea6ca932b54c76f2137c5e589271fb9e5bdcc8c415bcf5cde51d060102", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "560fccea6ca932b54c76f2137c5e589271fb9e5bdcc8c415bcf5cde51d060102", kill_on_drop: false }`
[INFO] [stdout] 560fccea6ca932b54c76f2137c5e589271fb9e5bdcc8c415bcf5cde51d060102
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dinherent-method-on-receiver" "-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7015b7ac7445702b2bd12ab8898123344629129bbea78656035659aceb00c7cf
[INFO] running `Command { std: "docker" "start" "-a" "7015b7ac7445702b2bd12ab8898123344629129bbea78656035659aceb00c7cf", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/gotham-session-redis/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: /opt/rustwide/workdir/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking futures v0.1.21
[INFO] [stderr]     Checking byteorder v1.2.2
[INFO] [stderr]    Compiling cc v1.0.13
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]     Checking lazycell v0.6.0
[INFO] [stderr]     Checking slab v0.4.0
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling serde v1.0.43
[INFO] [stderr]    Compiling rustc-demangle v0.1.7
[INFO] [stderr]    Compiling proc-macro2 v0.3.7
[INFO] [stderr]    Compiling itoa v0.4.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking crossbeam-utils v0.3.2
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stdout] error[E0433]: failed to resolve: could not find `Op` in `proc_macro`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-0.3.7/src/unstable.rs:72:42
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 let mut op = proc_macro::Op::new(tt.op(), spacing);
[INFO] [stdout]    |                                          ^^ could not find `Op` in `proc_macro`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout]  3 + use Op;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `Op`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 72 -                 let mut op = proc_macro::Op::new(tt.op(), spacing);
[INFO] [stdout] 72 +                 let mut op = Op::new(tt.op(), spacing);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `SourceFile` in crate `proc_macro`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-0.3.7/src/unstable.rs:168:35
[INFO] [stdout]     |
[INFO] [stdout] 168 | pub struct SourceFile(proc_macro::SourceFile, FileName);
[INFO] [stdout]     |                                   ^^^^^^^^^^ not found in `proc_macro`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `SourceFile` in crate `proc_macro`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-0.3.7/src/unstable.rs:171:28
[INFO] [stdout]     |
[INFO] [stdout] 171 |     fn new(sf: proc_macro::SourceFile) -> Self {
[INFO] [stdout]     |                            ^^^^^^^^^^ not found in `proc_macro`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `LineColumn` in crate `proc_macro`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-0.3.7/src/unstable.rs:238:25
[INFO] [stdout]     |
[INFO] [stdout] 238 |         let proc_macro::LineColumn { line, column } = self.0.start();
[INFO] [stdout]     |                         ^^^^^^^^^^ not found in `proc_macro`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `LineColumn` in crate `proc_macro`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-0.3.7/src/unstable.rs:243:25
[INFO] [stdout]     |
[INFO] [stdout] 243 |         let proc_macro::LineColumn { line, column } = self.0.end();
[INFO] [stdout]     |                         ^^^^^^^^^^ not found in `proc_macro`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Term` in crate `proc_macro`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-0.3.7/src/unstable.rs:264:23
[INFO] [stdout]     |
[INFO] [stdout] 264 |     term: proc_macro::Term,
[INFO] [stdout]     |                       ^^^^ not found in `proc_macro`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   3 + use Term;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `Term`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 264 -     term: proc_macro::Term,
[INFO] [stdout] 264 +     term: Term,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `Term` in `proc_macro`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-0.3.7/src/unstable.rs:270:31
[INFO] [stdout]     |
[INFO] [stdout] 270 |             term: proc_macro::Term::new(string, span.0),
[INFO] [stdout]     |                               ^^^^ could not find `Term` in `proc_macro`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   3 + use Term;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `Term`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 270 -             term: proc_macro::Term::new(string, span.0),
[INFO] [stdout] 270 +             term: Term::new(string, span.0),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stdout] error[E0599]: no function or associated item named `empty` found for struct `proc_macro::TokenStream` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-0.3.7/src/unstable.rs:18:46
[INFO] [stdout]    |
[INFO] [stdout] 18 |         TokenStream(proc_macro::TokenStream::empty())
[INFO] [stdout]    |                                              ^^^^^ function or associated item not found in `proc_macro::TokenStream`
[INFO] [stdout]    |
[INFO] [stdout] note: if you're trying to build a new `proc_macro::TokenStream`, consider using `proc_macro::TokenStream::new` which returns `proc_macro::TokenStream`
[INFO] [stdout]   --> /rustc/7b3da9103634dffd4f4365cfd8642427c781d99f/library/proc_macro/src/lib.rs:157:4
[INFO] [stdout] help: there is a method `is_empty` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 18 |         TokenStream(proc_macro::TokenStream::is_empty())
[INFO] [stdout]    |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `Op` found for enum `proc_macro::TokenTree` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-0.3.7/src/unstable.rs:131:36
[INFO] [stdout]     |
[INFO] [stdout] 131 |             proc_macro::TokenTree::Op(tt) => {
[INFO] [stdout]     |                                    ^^ variant or associated item not found in `proc_macro::TokenTree`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `Term` found for enum `proc_macro::TokenTree` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-0.3.7/src/unstable.rs:140:36
[INFO] [stdout]     |
[INFO] [stdout] 140 |             proc_macro::TokenTree::Term(s) => ::Term::_new(Term { term: s }).into(),
[INFO] [stdout]     |                                    ^^^^ variant or associated item not found in `proc_macro::TokenTree`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stdout] error[E0658]: use of unstable library feature `proc_macro_def_site`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-0.3.7/src/unstable.rs:218:14
[INFO] [stdout]     |
[INFO] [stdout] 218 |         Span(proc_macro::Span::def_site())
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #54724 <https://github.com/rust-lang/rust/issues/54724> for more information
[INFO] [stdout]     = help: add `#![feature(proc_macro_def_site)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2026-02-06; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling same-file v0.1.3
[INFO] [stdout] error[E0599]: no method named `source_file` found for struct `proc_macro::Span` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-0.3.7/src/unstable.rs:234:32
[INFO] [stdout]     |
[INFO] [stdout] 234 |         SourceFile::new(self.0.source_file())
[INFO] [stdout]     |                                ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `source` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 234 -         SourceFile::new(self.0.source_file())
[INFO] [stdout] 234 +         SourceFile::new(self.0.source())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `proc_macro_span`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-0.3.7/src/unstable.rs:248:16
[INFO] [stdout]     |
[INFO] [stdout] 248 |         self.0.join(other.0).map(Span)
[INFO] [stdout]     |                ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #54725 <https://github.com/rust-lang/rust/issues/54725> for more information
[INFO] [stdout]     = help: add `#![feature(proc_macro_span)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2026-02-06; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `proc_macro_span`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-0.3.7/src/unstable.rs:252:16
[INFO] [stdout]     |
[INFO] [stdout] 252 |         self.0.eq(&other.0)
[INFO] [stdout]     |                ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #54725 <https://github.com/rust-lang/rust/issues/54725> for more information
[INFO] [stdout]     = help: add `#![feature(proc_macro_span)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2026-02-06; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]     Checking num-traits v0.2.2
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stdout] Some errors have detailed explanations: E0422, E0425, E0433, E0599, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0422`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 14 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7015b7ac7445702b2bd12ab8898123344629129bbea78656035659aceb00c7cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7015b7ac7445702b2bd12ab8898123344629129bbea78656035659aceb00c7cf", kill_on_drop: false }`
[INFO] [stdout] 7015b7ac7445702b2bd12ab8898123344629129bbea78656035659aceb00c7cf
