[INFO] fetching crate markerml 0.1.2...
[INFO] testing markerml-0.1.2 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate markerml 0.1.2 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate markerml 0.1.2
[INFO] finished tweaking crates.io crate markerml 0.1.2
[INFO] tweaked toml for crates.io crate markerml 0.1.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate markerml 0.1.2 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 70 packages to latest compatible versions
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 4472f0af087934f81dbcaf4b46e9f40c6864461296b521bbfdbcf8332dec7e26
[INFO] running `Command { std: "docker" "start" "-a" "4472f0af087934f81dbcaf4b46e9f40c6864461296b521bbfdbcf8332dec7e26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4472f0af087934f81dbcaf4b46e9f40c6864461296b521bbfdbcf8332dec7e26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4472f0af087934f81dbcaf4b46e9f40c6864461296b521bbfdbcf8332dec7e26", kill_on_drop: false }`
[INFO] [stdout] 4472f0af087934f81dbcaf4b46e9f40c6864461296b521bbfdbcf8332dec7e26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 2897200a90b29210bcc02d87e229d8e98b0e4f263c768ac368fd49f39b3979c5
[INFO] running `Command { std: "docker" "start" "-a" "2897200a90b29210bcc02d87e229d8e98b0e4f263c768ac368fd49f39b3979c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling owo-colors v4.2.3
[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling supports-color v3.0.2
[INFO] [stderr]    Compiling textwrap v0.16.2
[INFO] [stderr]    Compiling miette-derive v7.6.0
[INFO] [stderr]    Compiling supports-unicode v3.0.0
[INFO] [stderr]    Compiling supports-hyperlinks v3.1.0
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling build_html v2.7.0
[INFO] [stderr]    Compiling backtrace-ext v0.2.1
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling pest v2.8.2
[INFO] [stderr]    Compiling miette v7.6.0
[INFO] [stderr]    Compiling pest_meta v2.8.2
[INFO] [stderr]    Compiling pest_generator v2.8.2
[INFO] [stderr]    Compiling pest_derive v2.8.2
[INFO] [stderr]    Compiling markerml_frontend v0.1.4
[INFO] [stderr]    Compiling markerml_middleend v0.1.2
[INFO] [stderr]    Compiling markerml_backend v0.1.2
[INFO] [stderr]    Compiling markerml v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.56s
[INFO] running `Command { std: "docker" "inspect" "2897200a90b29210bcc02d87e229d8e98b0e4f263c768ac368fd49f39b3979c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2897200a90b29210bcc02d87e229d8e98b0e4f263c768ac368fd49f39b3979c5", kill_on_drop: false }`
[INFO] [stdout] 2897200a90b29210bcc02d87e229d8e98b0e4f263c768ac368fd49f39b3979c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f739dddbc7f9993819a57a63089b693b94c91b5461c0b403b3789c43f977fb5
[INFO] running `Command { std: "docker" "start" "-a" "9f739dddbc7f9993819a57a63089b693b94c91b5461c0b403b3789c43f977fb5", kill_on_drop: false }`
[INFO] [stderr]    Compiling markerml v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "9f739dddbc7f9993819a57a63089b693b94c91b5461c0b403b3789c43f977fb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f739dddbc7f9993819a57a63089b693b94c91b5461c0b403b3789c43f977fb5", kill_on_drop: false }`
[INFO] [stdout] 9f739dddbc7f9993819a57a63089b693b94c91b5461c0b403b3789c43f977fb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 29f4e790bd3d30ca243953c3f9d2f8cfea78ca2489787b52137d7aa56939df3f
[INFO] running `Command { std: "docker" "start" "-a" "29f4e790bd3d30ca243953c3f9d2f8cfea78ca2489787b52137d7aa56939df3f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/markerml-3b842003f92c5dea)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests markerml
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 156) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 156) stdout ----
[INFO] [stdout] error: expected one of `!` or `::`, found `=`
[INFO] [stdout]  --> src/lib.rs:157:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | WHITESPACE = _{ (" " | "\t" | NEWLINE)+ }
[INFO] [stdout]   |            ^ expected one of `!` or `::`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 156)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "29f4e790bd3d30ca243953c3f9d2f8cfea78ca2489787b52137d7aa56939df3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29f4e790bd3d30ca243953c3f9d2f8cfea78ca2489787b52137d7aa56939df3f", kill_on_drop: false }`
[INFO] [stdout] 29f4e790bd3d30ca243953c3f9d2f8cfea78ca2489787b52137d7aa56939df3f