[INFO] fetching crate metricus 0.0.14...
[INFO] testing metricus-0.0.14 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate metricus 0.0.14 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate metricus 0.0.14
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate metricus 0.0.14
[INFO] tweaked toml for crates.io crate metricus 0.0.14 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate metricus 0.0.14 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 metricus 0.0.14 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] 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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ead84aac19486a20869efaa5c27555bc43874d72d505c8d10b1a47d5f20f4f97
[INFO] running `Command { std: "docker" "start" "-a" "ead84aac19486a20869efaa5c27555bc43874d72d505c8d10b1a47d5f20f4f97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ead84aac19486a20869efaa5c27555bc43874d72d505c8d10b1a47d5f20f4f97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ead84aac19486a20869efaa5c27555bc43874d72d505c8d10b1a47d5f20f4f97", kill_on_drop: false }`
[INFO] [stdout] ead84aac19486a20869efaa5c27555bc43874d72d505c8d10b1a47d5f20f4f97
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23d57974704fe399f05f270c333ab2492eba1529a27750cd34fdeb606e04e194
[INFO] running `Command { std: "docker" "start" "-a" "23d57974704fe399f05f270c333ab2492eba1529a27750cd34fdeb606e04e194", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]    Compiling darling v0.20.10
[INFO] [stderr]    Compiling serde_with_macros v3.12.0
[INFO] [stderr]    Compiling serde_with v3.12.0
[INFO] [stderr]    Compiling metricus v0.0.14 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.23s
[INFO] running `Command { std: "docker" "inspect" "23d57974704fe399f05f270c333ab2492eba1529a27750cd34fdeb606e04e194", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23d57974704fe399f05f270c333ab2492eba1529a27750cd34fdeb606e04e194", kill_on_drop: false }`
[INFO] [stdout] 23d57974704fe399f05f270c333ab2492eba1529a27750cd34fdeb606e04e194
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 808f99ae487381f7ebbc79b996ec6203aac128a846742bc94f63d7572ff4e21a
[INFO] running `Command { std: "docker" "start" "-a" "808f99ae487381f7ebbc79b996ec6203aac128a846742bc94f63d7572ff4e21a", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling serde_json v1.0.137
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling itoa v1.0.14
[INFO] [stderr]    Compiling half v2.4.1
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling clap_builder v4.5.26
[INFO] [stderr]    Compiling is-terminal v0.4.13
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling once_cell v1.20.2
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling oorandom v11.1.4
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling clap v4.5.26
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling metricus_macros v0.0.14
[INFO] [stderr]    Compiling metricus v0.0.14 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 21.40s
[INFO] running `Command { std: "docker" "inspect" "808f99ae487381f7ebbc79b996ec6203aac128a846742bc94f63d7572ff4e21a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "808f99ae487381f7ebbc79b996ec6203aac128a846742bc94f63d7572ff4e21a", kill_on_drop: false }`
[INFO] [stdout] 808f99ae487381f7ebbc79b996ec6203aac128a846742bc94f63d7572ff4e21a
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 47024306a52bcee130d950796a3682eaeb100d5a3b7184cb3903fbd7f72454dd
[INFO] running `Command { std: "docker" "start" "-a" "47024306a52bcee130d950796a3682eaeb100d5a3b7184cb3903fbd7f72454dd", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/metricus-4bf15b484111263f)
[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] [stderr]    Doc-tests metricus
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test src/counter.rs - counter::Counter (line 16) - compile ... ok
[INFO] [stdout] test src/counter.rs - counter::Counter (line 29) - compile ... ok
[INFO] [stdout] test src/counter.rs - counter::Counter::new (line 58) - compile ... ok
[INFO] [stdout] test src/counter.rs - counter::Counter::new_with_id (line 75) - compile ... ok
[INFO] [stdout] test src/histogram.rs - histogram::Histogram::new (line 67) - compile ... ok
[INFO] [stdout] test src/histogram.rs - histogram::HistogramOps::record (line 87) - compile ... ok
[INFO] [stdout] test src/histogram.rs - histogram::Histogram (line 33) - compile ... ok
[INFO] [stdout] test src/histogram.rs - histogram::Histogram (line 20) - compile ... ok
[INFO] [stdout] test src/histogram.rs - histogram::HistogramOps::with_span (line 115) - compile ... ok
[INFO] [stdout] test src/counter.rs - counter::CounterOps::increment (line 97) - compile ... ok
[INFO] [stdout] test src/counter.rs - counter::Counter::new (line 50) - compile ... ok
[INFO] [stdout] test src/counter.rs - counter::CounterOps::increment_by (line 109) ... ok
[INFO] [stdout] test src/histogram.rs - histogram::HistogramOps::span (line 99) - compile ... ok
[INFO] [stdout] test src/histogram.rs - histogram::Histogram::new (line 59) - compile ... 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] running `Command { std: "docker" "inspect" "47024306a52bcee130d950796a3682eaeb100d5a3b7184cb3903fbd7f72454dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47024306a52bcee130d950796a3682eaeb100d5a3b7184cb3903fbd7f72454dd", kill_on_drop: false }`
[INFO] [stdout] 47024306a52bcee130d950796a3682eaeb100d5a3b7184cb3903fbd7f72454dd