[INFO] fetching crate simple-bind 0.1.6...
[INFO] testing simple-bind-0.1.6 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate simple-bind 0.1.6 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate simple-bind 0.1.6
[INFO] finished tweaking crates.io crate simple-bind 0.1.6
[INFO] tweaked toml for crates.io crate simple-bind 0.1.6 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate simple-bind 0.1.6 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding proc-macro2 v0.3.8 (available: v1.0.106)
[INFO] [stderr]       Adding quote v0.5.2 (available: v1.0.45)
[INFO] [stderr]       Adding syn v0.13.11 (available: v2.0.117)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "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]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v0.5.2
[INFO] [stderr]   Downloaded syn v0.13.11
[INFO] [stderr]   Downloaded proc-macro2 v0.3.8
[INFO] [stderr]   Downloaded unicode-xid v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f75f4c28e72e772a0eb5aebc25ab70bb204aca7870c5daded2c042fe1e91e1e7
[INFO] running `Command { std: "docker" "start" "-a" "f75f4c28e72e772a0eb5aebc25ab70bb204aca7870c5daded2c042fe1e91e1e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f75f4c28e72e772a0eb5aebc25ab70bb204aca7870c5daded2c042fe1e91e1e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f75f4c28e72e772a0eb5aebc25ab70bb204aca7870c5daded2c042fe1e91e1e7", kill_on_drop: false }`
[INFO] [stdout] f75f4c28e72e772a0eb5aebc25ab70bb204aca7870c5daded2c042fe1e91e1e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2403ca3a2144e0c6d3f0def2a9674f8524c114a3f9a42a11807a72109421f1e4
[INFO] running `Command { std: "docker" "start" "-a" "2403ca3a2144e0c6d3f0def2a9674f8524c114a3f9a42a11807a72109421f1e4", 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]    Compiling proc-macro2 v0.3.8
[INFO] [stdout] error[E0433]: cannot find `Op` in `proc_macro`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-0.3.8/src/unstable.rs:131:42
[INFO] [stdout]     |
[INFO] [stdout] 131 |                 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] 131 -                 let mut op = proc_macro::Op::new(tt.op(), spacing);
[INFO] [stdout] 131 +                 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-macro2-0.3.8/src/unstable.rs:262:25
[INFO] [stdout]     |
[INFO] [stdout] 262 |     Nightly(proc_macro::SourceFile, FileName),
[INFO] [stdout]     |                         ^^^^^^^^^^ not found in `proc_macro`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   3 + use stable::SourceFile;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `SourceFile`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 262 -     Nightly(proc_macro::SourceFile, FileName),
[INFO] [stdout] 262 +     Nightly(SourceFile, FileName),
[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-macro2-0.3.8/src/unstable.rs:267:32
[INFO] [stdout]     |
[INFO] [stdout] 267 |     fn nightly(sf: proc_macro::SourceFile) -> Self {
[INFO] [stdout]     |                                ^^^^^^^^^^ not found in `proc_macro`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   3 + use stable::SourceFile;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `SourceFile`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 267 -     fn nightly(sf: proc_macro::SourceFile) -> Self {
[INFO] [stdout] 267 +     fn nightly(sf: SourceFile) -> Self {
[INFO] [stdout]     |
[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-macro2-0.3.8/src/unstable.rs:439:25
[INFO] [stdout]     |
[INFO] [stdout] 439 |     Nightly(proc_macro::Term),
[INFO] [stdout]     |                         ^^^^ not found in `proc_macro`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout]   3 + use Term;
[INFO] [stdout]     |
[INFO] [stdout]   3 + use stable::Term;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `Term`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 439 -     Nightly(proc_macro::Term),
[INFO] [stdout] 439 +     Nightly(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-macro2-0.3.8/src/unstable.rs:446:59
[INFO] [stdout]     |
[INFO] [stdout] 446 |             Span::Nightly(s) => Term::Nightly(proc_macro::Term::new(string, s)),
[INFO] [stdout]     |                                                           ^^^^ could not find `Term` in `proc_macro`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout]   3 + use Term;
[INFO] [stdout]     |
[INFO] [stdout]   3 + use stable::Term;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `Term`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 446 -             Span::Nightly(s) => Term::Nightly(proc_macro::Term::new(string, s)),
[INFO] [stdout] 446 +             Span::Nightly(s) => Term::Nightly(Term::new(string, s)),
[INFO] [stdout]     |
[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-macro2-0.3.8/src/unstable.rs:473:44
[INFO] [stdout]     |
[INFO] [stdout] 473 |     fn unwrap_nightly(self) -> proc_macro::Term {
[INFO] [stdout]     |                                            ^^^^ not found in `proc_macro`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout]   3 + use Term;
[INFO] [stdout]     |
[INFO] [stdout]   3 + use stable::Term;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `Term`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 473 -     fn unwrap_nightly(self) -> proc_macro::Term {
[INFO] [stdout] 473 +     fn unwrap_nightly(self) -> Term {
[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-macro2-0.3.8/src/unstable.rs:45:59
[INFO] [stdout]    |
[INFO] [stdout] 45 |             TokenStream::Nightly(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/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/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] 45 |             TokenStream::Nightly(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-macro2-0.3.8/src/unstable.rs:228:36
[INFO] [stdout]     |
[INFO] [stdout] 228 |             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-macro2-0.3.8/src/unstable.rs:237:36
[INFO] [stdout]     |
[INFO] [stdout] 237 |             proc_macro::TokenTree::Term(s) => ::Term::_new(Term::Nightly(s)).into(),
[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-macro2-0.3.8/src/unstable.rs:325:27
[INFO] [stdout]     |
[INFO] [stdout] 325 |             Span::Nightly(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 2026-04-24; 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-macro2-0.3.8/src/unstable.rs:402:55
[INFO] [stdout]     |
[INFO] [stdout] 402 |             (Span::Nightly(a), Span::Nightly(b)) => a.eq(b),
[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 2026-04-24; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433, E0599, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 11 previous errors
[INFO] running `Command { std: "docker" "inspect" "2403ca3a2144e0c6d3f0def2a9674f8524c114a3f9a42a11807a72109421f1e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2403ca3a2144e0c6d3f0def2a9674f8524c114a3f9a42a11807a72109421f1e4", kill_on_drop: false }`
[INFO] [stdout] 2403ca3a2144e0c6d3f0def2a9674f8524c114a3f9a42a11807a72109421f1e4
