[INFO] fetching crate prometheus-json-encoder 0.1.1...
[INFO] checking prometheus-json-encoder-0.1.1 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate prometheus-json-encoder 0.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate prometheus-json-encoder 0.1.1
[INFO] finished tweaking crates.io crate prometheus-json-encoder 0.1.1
[INFO] tweaked toml for crates.io crate prometheus-json-encoder 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate prometheus-json-encoder 0.1.1 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 72 packages to latest compatible versions
[INFO] [stderr]       Adding opentelemetry v0.17.0 (available: v0.30.0)
[INFO] [stderr]       Adding opentelemetry-prometheus v0.10.0 (available: v0.29.1)
[INFO] [stderr]       Adding prometheus v0.13.4 (available: v0.14.0)
[INFO] [stderr]       Adding protobuf v2.28.0 (available: v3.7.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 67dcfba6e02584d4272a34c5457c6de544c7b48638d5f8927ccc2a47059c2685
[INFO] running `Command { std: "docker" "start" "-a" "67dcfba6e02584d4272a34c5457c6de544c7b48638d5f8927ccc2a47059c2685", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67dcfba6e02584d4272a34c5457c6de544c7b48638d5f8927ccc2a47059c2685", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67dcfba6e02584d4272a34c5457c6de544c7b48638d5f8927ccc2a47059c2685", kill_on_drop: false }`
[INFO] [stdout] 67dcfba6e02584d4272a34c5457c6de544c7b48638d5f8927ccc2a47059c2685
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f3edc17a4d0c9764147a646ac1d5d73a8eba9204ebafcfbfd3f4a1497025f65
[INFO] running `Command { std: "docker" "start" "-a" "3f3edc17a4d0c9764147a646ac1d5d73a8eba9204ebafcfbfd3f4a1497025f65", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking slab v0.4.10
[INFO] [stderr]    Compiling protobuf v2.28.0
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]    Compiling prometheus v0.13.4
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]     Checking dashmap v4.0.2
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking pin-project v1.1.10
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking opentelemetry v0.17.0
[INFO] [stderr]     Checking opentelemetry-prometheus v0.10.0
[INFO] [stderr]     Checking prometheus-json-encoder v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.13s
[INFO] running `Command { std: "docker" "inspect" "3f3edc17a4d0c9764147a646ac1d5d73a8eba9204ebafcfbfd3f4a1497025f65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f3edc17a4d0c9764147a646ac1d5d73a8eba9204ebafcfbfd3f4a1497025f65", kill_on_drop: false }`
[INFO] [stdout] 3f3edc17a4d0c9764147a646ac1d5d73a8eba9204ebafcfbfd3f4a1497025f65