[INFO] fetching crate vermouth 0.2.1...
[INFO] testing vermouth-0.2.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate vermouth 0.2.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate vermouth 0.2.1
[INFO] finished tweaking crates.io crate vermouth 0.2.1
[INFO] tweaked toml for crates.io crate vermouth 0.2.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate vermouth 0.2.1 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] [stderr]       Adding proc-macro2 v1.0.86 (available: v1.0.103)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 639291f324b63c4f8ad0801649738c0501c1e4b635836596b0f15852c02a3e37
[INFO] running `Command { std: "docker" "start" "-a" "639291f324b63c4f8ad0801649738c0501c1e4b635836596b0f15852c02a3e37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "639291f324b63c4f8ad0801649738c0501c1e4b635836596b0f15852c02a3e37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "639291f324b63c4f8ad0801649738c0501c1e4b635836596b0f15852c02a3e37", kill_on_drop: false }`
[INFO] [stdout] 639291f324b63c4f8ad0801649738c0501c1e4b635836596b0f15852c02a3e37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0992abc09e071d5507d5c390fc69aeec852030a3b00b65cea5cb9a6fd644f234
[INFO] running `Command { std: "docker" "start" "-a" "0992abc09e071d5507d5c390fc69aeec852030a3b00b65cea5cb9a6fd644f234", kill_on_drop: false }`
[INFO] [stderr]    Compiling litrs v1.0.0
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling document-features v0.2.12
[INFO] [stderr]    Compiling vermouth v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `into_raw` is never used
[INFO] [stdout]   --> src/parser.rs:91:16
[INFO] [stdout]    |
[INFO] [stdout] 82 |     impl PosRepr {
[INFO] [stdout]    |     ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 91 |         pub fn into_raw(self) -> usize {
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.79s
[INFO] running `Command { std: "docker" "inspect" "0992abc09e071d5507d5c390fc69aeec852030a3b00b65cea5cb9a6fd644f234", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0992abc09e071d5507d5c390fc69aeec852030a3b00b65cea5cb9a6fd644f234", kill_on_drop: false }`
[INFO] [stdout] 0992abc09e071d5507d5c390fc69aeec852030a3b00b65cea5cb9a6fd644f234
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c37ccd4b16e900eb9805874b8ffc852317e86c63959ea7fd7d49fde30f0a2749
[INFO] running `Command { std: "docker" "start" "-a" "c37ccd4b16e900eb9805874b8ffc852317e86c63959ea7fd7d49fde30f0a2749", kill_on_drop: false }`
[INFO] [stdout] warning: method `into_raw` is never used
[INFO] [stdout]   --> src/parser.rs:91:16
[INFO] [stdout]    |
[INFO] [stdout] 82 |     impl PosRepr {
[INFO] [stdout]    |     ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 91 |         pub fn into_raw(self) -> usize {
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling vermouth v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: `vermouth` tests must be run with the `proc-macro2` feature.
[INFO] [stdout]        `proc-macro` doesn't support execution outside the rustc harness
[INFO] [stdout]   --> src/lib.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 | /         compile_error!(
[INFO] [stdout] 57 | |             "`vermouth` tests must be run with the `proc-macro2` feature.\n\
[INFO] [stdout] 58 | |             `proc-macro` doesn't support execution outside the rustc harness"
[INFO] [stdout] 59 | |         );
[INFO] [stdout]    | |_________^
[INFO] [stdout] ...
[INFO] [stdout] 93 |       ඞ_declare_test!();
[INFO] [stdout]    |       ----------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `ඞ_declare_test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `vermouth` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "c37ccd4b16e900eb9805874b8ffc852317e86c63959ea7fd7d49fde30f0a2749", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c37ccd4b16e900eb9805874b8ffc852317e86c63959ea7fd7d49fde30f0a2749", kill_on_drop: false }`
[INFO] [stdout] c37ccd4b16e900eb9805874b8ffc852317e86c63959ea7fd7d49fde30f0a2749