[INFO] fetching crate scx_stats 1.0.16...
[INFO] testing scx_stats-1.0.16 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate scx_stats 1.0.16 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate scx_stats 1.0.16
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate scx_stats 1.0.16
[INFO] tweaked toml for crates.io crate scx_stats 1.0.16 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate scx_stats 1.0.16 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] crate crates.io crate scx_stats 1.0.16 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 30eb94d1851b09e08a70a47b0f93fad40ecc53bed57ba283bdd5824bc2e8924e
[INFO] running `Command { std: "docker" "start" "-a" "30eb94d1851b09e08a70a47b0f93fad40ecc53bed57ba283bdd5824bc2e8924e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30eb94d1851b09e08a70a47b0f93fad40ecc53bed57ba283bdd5824bc2e8924e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30eb94d1851b09e08a70a47b0f93fad40ecc53bed57ba283bdd5824bc2e8924e", kill_on_drop: false }`
[INFO] [stdout] 30eb94d1851b09e08a70a47b0f93fad40ecc53bed57ba283bdd5824bc2e8924e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 69dc03fa3b8bb64c179611034642a1df439812ee450661f8aa58edce2eb80e75
[INFO] running `Command { std: "docker" "start" "-a" "69dc03fa3b8bb64c179611034642a1df439812ee450661f8aa58edce2eb80e75", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling scx_stats v1.0.16 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.65s
[INFO] running `Command { std: "docker" "inspect" "69dc03fa3b8bb64c179611034642a1df439812ee450661f8aa58edce2eb80e75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69dc03fa3b8bb64c179611034642a1df439812ee450661f8aa58edce2eb80e75", kill_on_drop: false }`
[INFO] [stdout] 69dc03fa3b8bb64c179611034642a1df439812ee450661f8aa58edce2eb80e75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 803231ab8432d4cb397bd0c119aebed2b964df4823776e15175d6b308684e241
[INFO] running `Command { std: "docker" "start" "-a" "803231ab8432d4cb397bd0c119aebed2b964df4823776e15175d6b308684e241", kill_on_drop: false }`
[INFO] [stderr]    Compiling time-core v0.1.4
[INFO] [stderr]    Compiling deranged v0.4.0
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling num_threads v0.1.7
[INFO] [stderr]    Compiling colored v2.2.0
[INFO] [stderr]    Compiling time-macros v0.2.22
[INFO] [stderr]    Compiling scx_stats v1.0.16 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling time v0.3.41
[INFO] [stderr]    Compiling simple_logger v5.0.0
[INFO] [stdout] error[E0432]: unresolved import `scx_stats_derive`
[INFO] [stdout]  --> examples/client.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use scx_stats_derive::Stats;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `scx_stats_derive`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `scx_stats_derive`, use `cargo add scx_stats_derive` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `stat` in this scope
[INFO] [stdout]  --> examples/stats_defs.rs.h:6:3
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[stat(desc = "domain statistics", _om_prefix="d_", _om_label="domain_name")]
[INFO] [stdout]   |   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `stat` in this scope
[INFO] [stdout]  --> examples/stats_defs.rs.h:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 |     #[stat(desc = "an event counter")]
[INFO] [stdout]   |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `stat` in this scope
[INFO] [stdout]   --> examples/stats_defs.rs.h:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 |     #[stat(desc = "a gauge number")]
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `stat` in this scope
[INFO] [stdout]   --> examples/stats_defs.rs.h:16:3
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[stat(desc = "cluster statistics", top)]
[INFO] [stdout]    |   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `stat` in this scope
[INFO] [stdout]   --> examples/stats_defs.rs.h:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 |     #[stat(desc = "update timestamp")]
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `stat` in this scope
[INFO] [stdout]   --> examples/stats_defs.rs.h:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 |     #[stat(desc = "some bitmap we want to report", _om_skip)]
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `stat` in this scope
[INFO] [stdout]   --> examples/stats_defs.rs.h:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 |     #[stat(desc = "domain statistics")]
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `scx_stats` (example "client") due to 8 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0432]: unresolved import `scx_stats_derive`
[INFO] [stdout]  --> examples/server.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use scx_stats_derive::Stats;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `scx_stats_derive`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `scx_stats_derive`, use `cargo add scx_stats_derive` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `stat` in this scope
[INFO] [stdout]  --> examples/stats_defs.rs.h:6:3
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[stat(desc = "domain statistics", _om_prefix="d_", _om_label="domain_name")]
[INFO] [stdout]   |   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `stat` in this scope
[INFO] [stdout]  --> examples/stats_defs.rs.h:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 |     #[stat(desc = "an event counter")]
[INFO] [stdout]   |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `stat` in this scope
[INFO] [stdout]   --> examples/stats_defs.rs.h:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 |     #[stat(desc = "a gauge number")]
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `stat` in this scope
[INFO] [stdout]   --> examples/stats_defs.rs.h:16:3
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[stat(desc = "cluster statistics", top)]
[INFO] [stdout]    |   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `stat` in this scope
[INFO] [stdout]   --> examples/stats_defs.rs.h:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 |     #[stat(desc = "update timestamp")]
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `stat` in this scope
[INFO] [stdout]   --> examples/stats_defs.rs.h:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 |     #[stat(desc = "some bitmap we want to report", _om_skip)]
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `stat` in this scope
[INFO] [stdout]   --> examples/stats_defs.rs.h:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 |     #[stat(desc = "domain statistics")]
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `meta` found for struct `ClusterStats` in the current scope
[INFO] [stdout]   --> examples/server.rs:51:33
[INFO] [stdout]    |
[INFO] [stdout] 51 |         .add_meta(ClusterStats::meta())
[INFO] [stdout]    |                                 ^^^^ function or associated item not found in `ClusterStats`
[INFO] [stdout]    |
[INFO] [stdout]   ::: examples/stats_defs.rs.h:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct ClusterStats {
[INFO] [stdout]    | ------------------- function or associated item `meta` not found for this struct
[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 `meta`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `scx_stats::Meta`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `meta` found for struct `DomainStats` in the current scope
[INFO] [stdout]   --> examples/server.rs:52:32
[INFO] [stdout]    |
[INFO] [stdout] 52 |         .add_meta(DomainStats::meta())
[INFO] [stdout]    |                                ^^^^ function or associated item not found in `DomainStats`
[INFO] [stdout]    |
[INFO] [stdout]   ::: examples/stats_defs.rs.h:7:1
[INFO] [stdout]    |
[INFO] [stdout]  7 | struct DomainStats {
[INFO] [stdout]    | ------------------ function or associated item `meta` not found for this struct
[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 `meta`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `scx_stats::Meta`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `to_json` exists for struct `ClusterStats`, but its trait bounds were not satisfied
[INFO] [stdout]    --> examples/server.rs:61:23
[INFO] [stdout]     |
[INFO] [stdout]  61 |                 stats.to_json()
[INFO] [stdout]     |                       ^^^^^^^ method cannot be called on `ClusterStats` due to unsatisfied trait bounds
[INFO] [stdout]     |
[INFO] [stdout]    ::: examples/stats_defs.rs.h:17:1
[INFO] [stdout]     |
[INFO] [stdout]  17 | struct ClusterStats {
[INFO] [stdout]     | ------------------- method `to_json` not found for this struct because it doesn't satisfy `ClusterStats: scx_stats::Meta` or `ClusterStats: scx_stats::ToJson`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `ClusterStats: scx_stats::Meta`
[INFO] [stdout]             which is required by `ClusterStats: scx_stats::ToJson`
[INFO] [stdout] note: the trait `scx_stats::Meta` must be implemented
[INFO] [stdout]    --> /opt/rustwide/workdir/src/stats.rs:365:1
[INFO] [stdout]     |
[INFO] [stdout] 365 | pub trait Meta {
[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 `to_json`, perhaps you need to implement it:
[INFO] [stdout]             candidate #1: `scx_stats::ToJson`
[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 `scx_stats` (example "server") due to 11 previous errors
[INFO] running `Command { std: "docker" "inspect" "803231ab8432d4cb397bd0c119aebed2b964df4823776e15175d6b308684e241", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "803231ab8432d4cb397bd0c119aebed2b964df4823776e15175d6b308684e241", kill_on_drop: false }`
[INFO] [stdout] 803231ab8432d4cb397bd0c119aebed2b964df4823776e15175d6b308684e241
