[INFO] fetching crate slog_prometheus 0.1.0...
[INFO] testing slog_prometheus-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate slog_prometheus 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate slog_prometheus 0.1.0
[INFO] finished tweaking crates.io crate slog_prometheus 0.1.0
[INFO] tweaked toml for crates.io crate slog_prometheus 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate slog_prometheus 0.1.0 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 slog_prometheus 0.1.0 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] dba1d02e882d7364c476d02e03a32aca88edc037ea48c2cf21be0705bf5f8812
[INFO] running `Command { std: "docker" "start" "-a" "dba1d02e882d7364c476d02e03a32aca88edc037ea48c2cf21be0705bf5f8812", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dba1d02e882d7364c476d02e03a32aca88edc037ea48c2cf21be0705bf5f8812", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dba1d02e882d7364c476d02e03a32aca88edc037ea48c2cf21be0705bf5f8812", kill_on_drop: false }`
[INFO] [stdout] dba1d02e882d7364c476d02e03a32aca88edc037ea48c2cf21be0705bf5f8812
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 4a9914a66a7f68ee9d9e3b04b12ae76c9af41614102f2ef7670b39a27720250c
[INFO] running `Command { std: "docker" "start" "-a" "4a9914a66a7f68ee9d9e3b04b12ae76c9af41614102f2ef7670b39a27720250c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling protobuf v2.25.2
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling prometheus v0.13.0
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling slog_prometheus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.17s
[INFO] running `Command { std: "docker" "inspect" "4a9914a66a7f68ee9d9e3b04b12ae76c9af41614102f2ef7670b39a27720250c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a9914a66a7f68ee9d9e3b04b12ae76c9af41614102f2ef7670b39a27720250c", kill_on_drop: false }`
[INFO] [stdout] 4a9914a66a7f68ee9d9e3b04b12ae76c9af41614102f2ef7670b39a27720250c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] be8517f210745f41df97aea219cdba25492bb1acca17f77edd44cd7ac492d507
[INFO] running `Command { std: "docker" "start" "-a" "be8517f210745f41df97aea219cdba25492bb1acca17f77edd44cd7ac492d507", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling once_cell v1.10.0
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling mio v0.8.2
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling tracing-core v0.1.26
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling tokio v1.18.0
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling http v0.2.7
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]    Compiling slab v0.4.6
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling httparse v1.7.1
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling futures-io v0.3.21
[INFO] [stderr]    Compiling unicode-bidi v0.3.8
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling num_threads v0.1.5
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling http-body v0.4.4
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]    Compiling httpdate v1.0.2
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling time v0.3.9
[INFO] [stderr]    Compiling thread_local v1.1.4
[INFO] [stderr]    Compiling ascii v1.0.0
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling slog-async v2.7.0
[INFO] [stderr]    Compiling chunked_transfer v1.4.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling tiny_http v0.10.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling ipnet v2.5.0
[INFO] [stderr]    Compiling slog-term v2.9.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.21
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling tracing v0.1.34
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling prometheus v0.13.0
[INFO] [stderr]    Compiling tokio-util v0.7.1
[INFO] [stderr]    Compiling h2 v0.3.13
[INFO] [stderr]    Compiling prometheus_exporter v0.8.4
[INFO] [stderr]    Compiling slog_prometheus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling hyper v0.14.18
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.10
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "be8517f210745f41df97aea219cdba25492bb1acca17f77edd44cd7ac492d507", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be8517f210745f41df97aea219cdba25492bb1acca17f77edd44cd7ac492d507", kill_on_drop: false }`
[INFO] [stdout] be8517f210745f41df97aea219cdba25492bb1acca17f77edd44cd7ac492d507
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] f0bee7be1a3d268fc03e4df57b6509b2695d75a8c58b5960d57c00fd96ff56f5
[INFO] running `Command { std: "docker" "start" "-a" "f0bee7be1a3d268fc03e4df57b6509b2695d75a8c58b5960d57c00fd96ff56f5", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/slog_prometheus-3a16c995c9b9011e)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::check_same_size ... ok
[INFO] [stdout] test tests::log_failure ... ok
[INFO] [stdout] test tests::log_success ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests slog_prometheus
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.05s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f0bee7be1a3d268fc03e4df57b6509b2695d75a8c58b5960d57c00fd96ff56f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0bee7be1a3d268fc03e4df57b6509b2695d75a8c58b5960d57c00fd96ff56f5", kill_on_drop: false }`
[INFO] [stdout] f0bee7be1a3d268fc03e4df57b6509b2695d75a8c58b5960d57c00fd96ff56f5