[INFO] fetching crate chemp 0.9.6...
[INFO] testing chemp-0.9.6 against beta-2026-01-20 for beta-1.94-1
[INFO] extracting crate chemp 0.9.6 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate chemp 0.9.6
[INFO] finished tweaking crates.io crate chemp 0.9.6
[INFO] tweaked toml for crates.io crate chemp 0.9.6 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate chemp 0.9.6 on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "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-2026-01-20" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c03e656141f740a73ad76cd073a022345c09ee073ef8d7224effc3094619169b
[INFO] running `Command { std: "docker" "start" "-a" "c03e656141f740a73ad76cd073a022345c09ee073ef8d7224effc3094619169b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c03e656141f740a73ad76cd073a022345c09ee073ef8d7224effc3094619169b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c03e656141f740a73ad76cd073a022345c09ee073ef8d7224effc3094619169b", kill_on_drop: false }`
[INFO] [stdout] c03e656141f740a73ad76cd073a022345c09ee073ef8d7224effc3094619169b
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d23df16c0f44e4b08d4ca5315eee3a959e9749d95564a6bb91c79500cc82d4f
[INFO] running `Command { std: "docker" "start" "-a" "3d23df16c0f44e4b08d4ca5315eee3a959e9749d95564a6bb91c79500cc82d4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling chemp v0.9.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "3d23df16c0f44e4b08d4ca5315eee3a959e9749d95564a6bb91c79500cc82d4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d23df16c0f44e4b08d4ca5315eee3a959e9749d95564a6bb91c79500cc82d4f", kill_on_drop: false }`
[INFO] [stdout] 3d23df16c0f44e4b08d4ca5315eee3a959e9749d95564a6bb91c79500cc82d4f
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d21b87fe67fb0a1b7d4601722a45d27e450cc4e389ff1856ab5218ec5c9caa2
[INFO] running `Command { std: "docker" "start" "-a" "3d21b87fe67fb0a1b7d4601722a45d27e450cc4e389ff1856ab5218ec5c9caa2", kill_on_drop: false }`
[INFO] [stderr]    Compiling chemp v0.9.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "3d21b87fe67fb0a1b7d4601722a45d27e450cc4e389ff1856ab5218ec5c9caa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d21b87fe67fb0a1b7d4601722a45d27e450cc4e389ff1856ab5218ec5c9caa2", kill_on_drop: false }`
[INFO] [stdout] 3d21b87fe67fb0a1b7d4601722a45d27e450cc4e389ff1856ab5218ec5c9caa2
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0806fa262319d99005c31560b54aa0b7055a8e62d7621d8f916b56b702b6a06c
[INFO] running `Command { std: "docker" "start" "-a" "0806fa262319d99005c31560b54aa0b7055a8e62d7621d8f916b56b702b6a06c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/chemp-6e895ebcab22f0ca)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test compounds::component::tests::mass_calculation ... ok
[INFO] [stdout] test compounds::compound::tests::molar_mass_calculation ... ok
[INFO] [stdout] test parser::tests::group ... ok
[INFO] [stdout] test parser::tests::multiple_elements ... ok
[INFO] [stdout] test parser::tests::hydrate ... ok
[INFO] [stdout] test tokens::group::tests::subscript_multiplication ... ok
[INFO] [stdout] test parser::tests::single_element ... ok
[INFO] [stdout] test tokens::group::tests::nested_group ... ok
[INFO] [stdout] test tokens::substance::tests::coefficient_multiplication ... ok
[INFO] [stdout] test tokens::hydrate::tests::multiplication_coefficient ... ok
[INFO] [stdout] test compounds::component::tests::mass_percent_calculation ... ok
[INFO] [stdout] test tokens::element::tests::multiplication ... ok
[INFO] [stderr]    Doc-tests chemp
[INFO] [stdout] test parser::tests::coefficient ... ok
[INFO] [stdout] test tests::simple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 102) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 102) stdout ----
[INFO] [stdout] error: character literal may only contain one codepoint
[INFO] [stdout]    --> src/lib.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 | water = 'H2O'
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to write a string literal, use double quotes
[INFO] [stdout]     |
[INFO] [stdout] 111 - water = 'H2O'
[INFO] [stdout] 111 + water = "H2O"
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `!` or `::`, found `=`
[INFO] [stdout]    --> src/lib.rs:103:11
[INFO] [stdout]     |
[INFO] [stdout] 103 | substance = coefficient? component+ hydrate?
[INFO] [stdout]     |           ^ expected one of `!` or `::`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 102)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.68s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "0806fa262319d99005c31560b54aa0b7055a8e62d7621d8f916b56b702b6a06c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0806fa262319d99005c31560b54aa0b7055a8e62d7621d8f916b56b702b6a06c", kill_on_drop: false }`
[INFO] [stdout] 0806fa262319d99005c31560b54aa0b7055a8e62d7621d8f916b56b702b6a06c
