[INFO] fetching crate prometheus-json-encoder 0.1.1...
[INFO] building prometheus-json-encoder-0.1.1 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate prometheus-json-encoder 0.1.1 into /workspace/builds/worker-4-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate prometheus-json-encoder 0.1.1 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 74 packages to latest compatible versions
[INFO] [stderr]       Adding opentelemetry v0.17.0 (available: v0.31.0)
[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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded opentelemetry-prometheus v0.10.0
[INFO] [stderr]   Downloaded opentelemetry v0.17.0
[INFO] [stderr]   Downloaded dashmap v4.0.2
[INFO] [stderr]   Downloaded prometheus v0.13.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8a4209ed8f3b8fbd1334c8b2645157a3154dc9a741904f19d421900f305651c
[INFO] running `Command { std: "docker" "start" "-a" "f8a4209ed8f3b8fbd1334c8b2645157a3154dc9a741904f19d421900f305651c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8a4209ed8f3b8fbd1334c8b2645157a3154dc9a741904f19d421900f305651c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8a4209ed8f3b8fbd1334c8b2645157a3154dc9a741904f19d421900f305651c", kill_on_drop: false }`
[INFO] [stdout] f8a4209ed8f3b8fbd1334c8b2645157a3154dc9a741904f19d421900f305651c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 804d1e86f24bbeb7183fedaca85c7da917a8b9bfcf836c23eb79d582ffff093b
[INFO] running `Command { std: "docker" "start" "-a" "804d1e86f24bbeb7183fedaca85c7da917a8b9bfcf836c23eb79d582ffff093b", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling slab v0.4.11
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling protobuf v2.28.0
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling prometheus v0.13.4
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling dashmap v4.0.2
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling opentelemetry v0.17.0
[INFO] [stderr]    Compiling opentelemetry-prometheus v0.10.0
[INFO] [stderr]    Compiling prometheus-json-encoder v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.75s
[INFO] running `Command { std: "docker" "inspect" "804d1e86f24bbeb7183fedaca85c7da917a8b9bfcf836c23eb79d582ffff093b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "804d1e86f24bbeb7183fedaca85c7da917a8b9bfcf836c23eb79d582ffff093b", kill_on_drop: false }`
[INFO] [stdout] 804d1e86f24bbeb7183fedaca85c7da917a8b9bfcf836c23eb79d582ffff093b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43978170bc07d1aede9c0a4c3a4492c9b3e3b04c5d77f8b24adafb9df4042eb5
[INFO] running `Command { std: "docker" "start" "-a" "43978170bc07d1aede9c0a4c3a4492c9b3e3b04c5d77f8b24adafb9df4042eb5", kill_on_drop: false }`
[INFO] [stderr]    Compiling prometheus-json-encoder v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "43978170bc07d1aede9c0a4c3a4492c9b3e3b04c5d77f8b24adafb9df4042eb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43978170bc07d1aede9c0a4c3a4492c9b3e3b04c5d77f8b24adafb9df4042eb5", kill_on_drop: false }`
[INFO] [stdout] 43978170bc07d1aede9c0a4c3a4492c9b3e3b04c5d77f8b24adafb9df4042eb5