[INFO] fetching crate dottools 0.1.0...
[INFO] testing dottools-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate dottools 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate dottools 0.1.0
[INFO] finished tweaking crates.io crate dottools 0.1.0
[INFO] tweaked toml for crates.io crate dottools 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dottools 0.1.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] [stderr]       Adding petgraph v0.4.13 (available: v0.8.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a65066f5726c407090d60bdf7ad657eae876d8c102ae2837294473858312fade
[INFO] running `Command { std: "docker" "start" "-a" "a65066f5726c407090d60bdf7ad657eae876d8c102ae2837294473858312fade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a65066f5726c407090d60bdf7ad657eae876d8c102ae2837294473858312fade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a65066f5726c407090d60bdf7ad657eae876d8c102ae2837294473858312fade", kill_on_drop: false }`
[INFO] [stdout] a65066f5726c407090d60bdf7ad657eae876d8c102ae2837294473858312fade
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a63ea22404993fee788b571623302b9311676d3772524f12e26ec701b6200ccb
[INFO] running `Command { std: "docker" "start" "-a" "a63ea22404993fee788b571623302b9311676d3772524f12e26ec701b6200ccb", kill_on_drop: false }`
[INFO] [stderr]    Compiling tinyvec v1.10.0
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling unicode-normalization v0.1.24
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling dottools v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0412]: cannot find type `LineColumn` in crate `proc_macro`
[INFO] [stdout]   --> src/lib.rs:62:23
[INFO] [stdout]    |
[INFO] [stdout] 62 | impl From<proc_macro::LineColumn> for LineColumn {
[INFO] [stdout]    |                       ^^^^^^^^^^ not found in `proc_macro`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `LineColumn` in crate `proc_macro`
[INFO] [stdout]   --> src/lib.rs:63:30
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn from(loc: proc_macro::LineColumn) -> 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]   --> src/lib.rs:64:25
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let proc_macro::LineColumn { line, column } = loc;
[INFO] [stdout]    |                         ^^^^^^^^^^ not found in `proc_macro`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro_span)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:215:13
[INFO] [stdout]     |
[INFO] [stdout] 215 |         let mut state = &mut State {
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0422, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dottools` (lib) due to 4 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "a63ea22404993fee788b571623302b9311676d3772524f12e26ec701b6200ccb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a63ea22404993fee788b571623302b9311676d3772524f12e26ec701b6200ccb", kill_on_drop: false }`
[INFO] [stdout] a63ea22404993fee788b571623302b9311676d3772524f12e26ec701b6200ccb