[INFO] fetching crate miniconf_mqtt 0.20.0...
[INFO] testing miniconf_mqtt-0.20.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate miniconf_mqtt 0.20.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate miniconf_mqtt 0.20.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate miniconf_mqtt 0.20.0
[INFO] tweaked toml for crates.io crate miniconf_mqtt 0.20.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate miniconf_mqtt 0.20.0 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] crate crates.io crate miniconf_mqtt 0.20.0 already has a lockfile, it will not be regenerated
[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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 3453604b48c4c24d0d3dd6e36f7604941f445bbe7fc7fa76ce72433ac00a6529
[INFO] running `Command { std: "docker" "start" "-a" "3453604b48c4c24d0d3dd6e36f7604941f445bbe7fc7fa76ce72433ac00a6529", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3453604b48c4c24d0d3dd6e36f7604941f445bbe7fc7fa76ce72433ac00a6529", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3453604b48c4c24d0d3dd6e36f7604941f445bbe7fc7fa76ce72433ac00a6529", kill_on_drop: false }`
[INFO] [stdout] 3453604b48c4c24d0d3dd6e36f7604941f445bbe7fc7fa76ce72433ac00a6529
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 7ea634b842ce84a59f1311cf5f96be5d3b630af243019e7b502f94fc5352e6f9
[INFO] running `Command { std: "docker" "start" "-a" "7ea634b842ce84a59f1311cf5f96be5d3b630af243019e7b502f94fc5352e6f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
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[INFO] [stderr]    Compiling serde_derive v1.0.228
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[INFO] [stderr]    Compiling serde-json-core v0.6.0
[INFO] [stderr]    Compiling minimq v0.10.0
[INFO] [stderr]    Compiling miniconf v0.20.0
[INFO] [stderr]    Compiling miniconf_mqtt v0.20.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.90s
[INFO] running `Command { std: "docker" "inspect" "7ea634b842ce84a59f1311cf5f96be5d3b630af243019e7b502f94fc5352e6f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ea634b842ce84a59f1311cf5f96be5d3b630af243019e7b502f94fc5352e6f9", kill_on_drop: false }`
[INFO] [stdout] 7ea634b842ce84a59f1311cf5f96be5d3b630af243019e7b502f94fc5352e6f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 7038c34b57c5b77015435b1b3ebe4c90400173b257200d682814874e2a9741aa
[INFO] running `Command { std: "docker" "start" "-a" "7038c34b57c5b77015435b1b3ebe4c90400173b257200d682814874e2a9741aa", kill_on_drop: false }`
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[INFO] [stderr]    Compiling miniconf v0.20.0
[INFO] [stderr]    Compiling miniconf_mqtt v0.20.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `miniconf::Tree`
[INFO] [stdout]  --> examples/mqtt.rs:2:22
[INFO] [stdout]   |
[INFO] [stdout] 2 | use miniconf::{Leaf, Tree, TreeSchema, leaf};
[INFO] [stdout]   |                      ^^^^
[INFO] [stdout]   |                      |
[INFO] [stdout]   |                      no `Tree` in the root
[INFO] [stdout]   |                      help: a similar name exists in the module: `tree`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `tree` in this scope
[INFO] [stdout]   --> examples/mqtt.rs:27:7
[INFO] [stdout]    |
[INFO] [stdout] 27 |     #[tree(with=leaf)]
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `tree` in this scope
[INFO] [stdout]   --> examples/mqtt.rs:30:7
[INFO] [stdout]    |
[INFO] [stdout] 30 |     #[tree(with=four)]
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `leaf`
[INFO] [stdout]  --> examples/mqtt.rs:2:40
[INFO] [stdout]   |
[INFO] [stdout] 2 | use miniconf::{Leaf, Tree, TreeSchema, leaf};
[INFO] [stdout]   |                                        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SCHEMA`, `mut_any_by_key`, `probe_by_key`, `ref_any_by_key`, and `serialize_by_key`
[INFO] [stdout]   --> examples/mqtt.rs:38:20
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub use leaf::{SCHEMA, mut_any_by_key, probe_by_key, ref_any_by_key, serialize_by_key};
[INFO] [stdout]    |                    ^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the associated item `SCHEMA` exists for struct `Settings`, but its trait bounds were not satisfied
[INFO] [stdout]    --> examples/mqtt.rs:63:40
[INFO] [stdout]     |
[INFO] [stdout]  22 | struct Settings {
[INFO] [stdout]     | --------------- associated item `SCHEMA` not found for this struct because it doesn't satisfy `Settings: TreeSchema`
[INFO] [stdout] ...
[INFO] [stdout]  63 |     const MAX_DEPTH: usize = Settings::SCHEMA.shape().max_depth;
[INFO] [stdout]     |                                        ^^^^^^ associated item cannot be called on `Settings` due to unsatisfied trait bounds
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `Settings: TreeSchema`
[INFO] [stdout]             which is required by `&Settings: TreeSchema`
[INFO] [stdout]             `Settings: TreeSchema`
[INFO] [stdout]             which is required by `&mut Settings: TreeSchema`
[INFO] [stdout] note: the trait `TreeSchema` must be implemented
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/miniconf-0.20.0/src/tree.rs:147:1
[INFO] [stdout]     |
[INFO] [stdout] 147 | pub trait TreeSchema {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]     = note: the following trait defines an item `SCHEMA`, perhaps you need to implement it:
[INFO] [stdout]             candidate #1: `TreeSchema`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `miniconf_mqtt` (example "mqtt") due to 4 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "7038c34b57c5b77015435b1b3ebe4c90400173b257200d682814874e2a9741aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7038c34b57c5b77015435b1b3ebe4c90400173b257200d682814874e2a9741aa", kill_on_drop: false }`
[INFO] [stdout] 7038c34b57c5b77015435b1b3ebe4c90400173b257200d682814874e2a9741aa
