[INFO] fetching crate marker_adapter 0.5.0...
[INFO] testing marker_adapter-0.5.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate marker_adapter 0.5.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate marker_adapter 0.5.0
[INFO] finished tweaking crates.io crate marker_adapter 0.5.0
[INFO] tweaked toml for crates.io crate marker_adapter 0.5.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate marker_adapter 0.5.0 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 58 packages to latest compatible versions
[INFO] [stderr]       Adding itertools v0.12.1 (available: v0.14.0)
[INFO] [stderr]       Adding miette v5.10.0 (available: v7.6.0)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a067ae6416325e2ba0e33e8e95ca8ac73b292adf6ac27b71a19a4d83fbcca7d9
[INFO] running `Command { std: "docker" "start" "-a" "a067ae6416325e2ba0e33e8e95ca8ac73b292adf6ac27b71a19a4d83fbcca7d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a067ae6416325e2ba0e33e8e95ca8ac73b292adf6ac27b71a19a4d83fbcca7d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a067ae6416325e2ba0e33e8e95ca8ac73b292adf6ac27b71a19a4d83fbcca7d9", kill_on_drop: false }`
[INFO] [stdout] a067ae6416325e2ba0e33e8e95ca8ac73b292adf6ac27b71a19a4d83fbcca7d9
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 405b449f22d78efb2786e0a91385feecf9bee85f06dd914c2951d8153afb043f
[INFO] running `Command { std: "docker" "start" "-a" "405b449f22d78efb2786e0a91385feecf9bee85f06dd914c2951d8153afb043f", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling is-terminal v0.4.17
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling smawk v0.3.2
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling is_ci v1.2.0
[INFO] [stderr]    Compiling supports-color v2.1.0
[INFO] [stderr]    Compiling supports-unicode v2.1.0
[INFO] [stderr]    Compiling textwrap v0.15.2
[INFO] [stderr]    Compiling supports-hyperlinks v2.1.0
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling camino v1.2.1
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]    Compiling tracing-subscriber v0.3.20
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling tracing-error v0.2.1
[INFO] [stderr]    Compiling typed-builder-macro v0.18.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling visibility v0.1.1
[INFO] [stderr]    Compiling miette-derive v5.10.0
[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]    Compiling backtrace-ext v0.2.1
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling miette v5.10.0
[INFO] [stderr]    Compiling typed-builder v0.18.2
[INFO] [stderr]    Compiling marker_api v0.5.0
[INFO] [stderr]    Compiling marker_error v0.5.0
[INFO] [stderr]    Compiling marker_utils v0.5.0
[INFO] [stderr]    Compiling marker_adapter v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `marker_api_version` is never read
[INFO] [stdout]   --> src/error.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         marker_api_version: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `ControlFlow` that must be used
[INFO] [stdout]   --> src/lib.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |         visitor::traverse_item::<()>(cx, inner, ItemKind::Mod(krate.root_mod()));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let _ = visitor::traverse_item::<()>(cx, inner, ItemKind::Mod(krate.root_mod()));
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.23s
[INFO] running `Command { std: "docker" "inspect" "405b449f22d78efb2786e0a91385feecf9bee85f06dd914c2951d8153afb043f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "405b449f22d78efb2786e0a91385feecf9bee85f06dd914c2951d8153afb043f", kill_on_drop: false }`
[INFO] [stdout] 405b449f22d78efb2786e0a91385feecf9bee85f06dd914c2951d8153afb043f
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d64f5b42446e7b23a86fa7612d322df8ec54dda78700a278b3dd6b0a63fa4e43
[INFO] running `Command { std: "docker" "start" "-a" "d64f5b42446e7b23a86fa7612d322df8ec54dda78700a278b3dd6b0a63fa4e43", kill_on_drop: false }`
[INFO] [stdout] warning: value assigned to `marker_api_version` is never read
[INFO] [stdout]   --> src/error.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         marker_api_version: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `ControlFlow` that must be used
[INFO] [stdout]   --> src/lib.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |         visitor::traverse_item::<()>(cx, inner, ItemKind::Mod(krate.root_mod()));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let _ = visitor::traverse_item::<()>(cx, inner, ItemKind::Mod(krate.root_mod()));
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling marker_adapter v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `marker_api_version` is never read
[INFO] [stdout]   --> src/error.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         marker_api_version: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `ControlFlow` that must be used
[INFO] [stdout]   --> src/lib.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |         visitor::traverse_item::<()>(cx, inner, ItemKind::Mod(krate.root_mod()));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let _ = visitor::traverse_item::<()>(cx, inner, ItemKind::Mod(krate.root_mod()));
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "d64f5b42446e7b23a86fa7612d322df8ec54dda78700a278b3dd6b0a63fa4e43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d64f5b42446e7b23a86fa7612d322df8ec54dda78700a278b3dd6b0a63fa4e43", kill_on_drop: false }`
[INFO] [stdout] d64f5b42446e7b23a86fa7612d322df8ec54dda78700a278b3dd6b0a63fa4e43
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f75d8d3f9107362e30378271886ff4239138226d7714d002944b4dda4cf61c73
[INFO] running `Command { std: "docker" "start" "-a" "f75d8d3f9107362e30378271886ff4239138226d7714d002944b4dda4cf61c73", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `marker_api_version` is never read
[INFO] [stderr]   --> src/error.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |         marker_api_version: String,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `ControlFlow` that must be used
[INFO] [stderr]   --> src/lib.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 |         visitor::traverse_item::<()>(cx, inner, ItemKind::Mod(krate.root_mod()));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 77 |         let _ = visitor::traverse_item::<()>(cx, inner, ItemKind::Mod(krate.root_mod()));
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `marker_adapter` (lib) generated 2 warnings
[INFO] [stderr] warning: `marker_adapter` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/marker_adapter-742259398b3d23d0)
[INFO] [stderr]    Doc-tests marker_adapter
[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] [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] running `Command { std: "docker" "inspect" "f75d8d3f9107362e30378271886ff4239138226d7714d002944b4dda4cf61c73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f75d8d3f9107362e30378271886ff4239138226d7714d002944b4dda4cf61c73", kill_on_drop: false }`
[INFO] [stdout] f75d8d3f9107362e30378271886ff4239138226d7714d002944b4dda4cf61c73