[INFO] cloning repository https://github.com/avl/rust_ice_48923
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/avl/rust_ice_48923" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favl%2Frust_ice_48923", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favl%2Frust_ice_48923'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7ad1247db52123b962d443f4566f03a64d41397a
[INFO] checking avl/rust_ice_48923 against master#cb40c25f6aebb637163d26bf76a680ed6e5d1eda for pr-156157-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favl%2Frust_ice_48923" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/avl/rust_ice_48923
[INFO] finished tweaking git repo https://github.com/avl/rust_ice_48923
[INFO] tweaked toml for git repo https://github.com/avl/rust_ice_48923 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/avl/rust_ice_48923 on toolchain cb40c25f6aebb637163d26bf76a680ed6e5d1eda
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cb40c25f6aebb637163d26bf76a680ed6e5d1eda" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/avl/rust_ice_48923 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" "+cb40c25f6aebb637163d26bf76a680ed6e5d1eda" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v0.3.6
[INFO] [stderr]   Downloaded quote v0.5.1
[INFO] [stderr]   Downloaded serde_derive_internals v0.23.1
[INFO] [stderr]   Downloaded serde v1.0.38
[INFO] [stderr]   Downloaded syn v0.13.1
[INFO] [stderr]   Downloaded serde_derive v1.0.38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cb40c25f6aebb637163d26bf76a680ed6e5d1eda" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5453360ccfe80c827659bc70f641d1b66d6e654d39ce674af6f70a03fe1373e
[INFO] running `Command { std: "docker" "start" "-a" "d5453360ccfe80c827659bc70f641d1b66d6e654d39ce674af6f70a03fe1373e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5453360ccfe80c827659bc70f641d1b66d6e654d39ce674af6f70a03fe1373e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5453360ccfe80c827659bc70f641d1b66d6e654d39ce674af6f70a03fe1373e", kill_on_drop: false }`
[INFO] [stdout] d5453360ccfe80c827659bc70f641d1b66d6e654d39ce674af6f70a03fe1373e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cb40c25f6aebb637163d26bf76a680ed6e5d1eda" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3bd61ba069e11fa461e886fcaddf050f9e43c9f693f5fac4c3433ffb70d3b39a
[INFO] running `Command { std: "docker" "start" "-a" "3bd61ba069e11fa461e886fcaddf050f9e43c9f693f5fac4c3433ffb70d3b39a", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking serde v1.0.38
[INFO] [stderr]    Compiling proc-macro2 v0.3.6
[INFO] [stdout] error[E0433]: cannot find `Op` in `proc_macro`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-0.3.6/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-macro2-0.3.6/src/unstable.rs:177:35
[INFO] [stdout]     |
[INFO] [stdout] 177 | 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-macro2-0.3.6/src/unstable.rs:180:28
[INFO] [stdout]     |
[INFO] [stdout] 180 |     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-macro2-0.3.6/src/unstable.rs:247:25
[INFO] [stdout]     |
[INFO] [stdout] 247 |         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-macro2-0.3.6/src/unstable.rs:252:25
[INFO] [stdout]     |
[INFO] [stdout] 252 |         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-macro2-0.3.6/src/unstable.rs:273:23
[INFO] [stdout]     |
[INFO] [stdout] 273 |     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] 273 -     term: proc_macro::Term,
[INFO] [stdout] 273 +     term: Term,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `Term` in `proc_macro`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-0.3.6/src/unstable.rs:279:31
[INFO] [stdout]     |
[INFO] [stdout] 279 |             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] 279 -             term: proc_macro::Term::new(string, span.0),
[INFO] [stdout] 279 +             term: Term::new(string, span.0),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no associated function or constant 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-macro2-0.3.6/src/unstable.rs:18:46
[INFO] [stdout]    |
[INFO] [stdout] 18 |         TokenStream(proc_macro::TokenStream::empty())
[INFO] [stdout]    |                                              ^^^^^ associated function or constant 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/cb40c25f6aebb637163d26bf76a680ed6e5d1eda/library/proc_macro/src/lib.rs:161:4
[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, associated function, or constant 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-macro2-0.3.6/src/unstable.rs:132:36
[INFO] [stdout]     |
[INFO] [stdout] 132 |             proc_macro::TokenTree::Op(tt) => {
[INFO] [stdout]     |                                    ^^ variant, associated function, or constant not found in `proc_macro::TokenTree`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant, associated function, or constant 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-macro2-0.3.6/src/unstable.rs:141:36
[INFO] [stdout]     |
[INFO] [stdout] 141 |             proc_macro::TokenTree::Term(s) => {
[INFO] [stdout]     |                                    ^^^^ variant, associated function, or constant not found in `proc_macro::TokenTree`
[INFO] [stdout] 
[INFO] [stdout] 
[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-macro2-0.3.6/src/unstable.rs:227:14
[INFO] [stdout]     |
[INFO] [stdout] 227 |         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 2026-05-04; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[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-macro2-0.3.6/src/unstable.rs:243:32
[INFO] [stdout]     |
[INFO] [stdout] 243 |         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] 243 -         SourceFile::new(self.0.source_file())
[INFO] [stdout] 243 +         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-macro2-0.3.6/src/unstable.rs:257:16
[INFO] [stdout]     |
[INFO] [stdout] 257 |         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 2026-05-04; 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-macro2-0.3.6/src/unstable.rs:261:16
[INFO] [stdout]     |
[INFO] [stdout] 261 |         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 2026-05-04; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[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" "3bd61ba069e11fa461e886fcaddf050f9e43c9f693f5fac4c3433ffb70d3b39a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bd61ba069e11fa461e886fcaddf050f9e43c9f693f5fac4c3433ffb70d3b39a", kill_on_drop: false }`
[INFO] [stdout] 3bd61ba069e11fa461e886fcaddf050f9e43c9f693f5fac4c3433ffb70d3b39a
