[INFO] fetching crate rocket_prometheus_logger 0.1.0...
[INFO] checking rocket_prometheus_logger-0.1.0 against try#ef8c760c4c3d93b561a5b431502e92f4b4773aca for pr-92472
[INFO] extracting crate rocket_prometheus_logger 0.1.0 into /workspace/builds/worker-44/source
[INFO] validating manifest of crates.io crate rocket_prometheus_logger 0.1.0 on toolchain ef8c760c4c3d93b561a5b431502e92f4b4773aca
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ef8c760c4c3d93b561a5b431502e92f4b4773aca" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rocket_prometheus_logger 0.1.0
[INFO] finished tweaking crates.io crate rocket_prometheus_logger 0.1.0
[INFO] tweaked toml for crates.io crate rocket_prometheus_logger 0.1.0 written to /workspace/builds/worker-44/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ef8c760c4c3d93b561a5b431502e92f4b4773aca" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ef8c760c4c3d93b561a5b431502e92f4b4773aca" "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 spin v0.4.10
[INFO] [stderr]   Downloaded prometheus v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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:a429bb59b7a3b4e7270a4b4c243bb115fc561d8f62ec34ef63a0a36cabf65dfd" "/opt/rustwide/cargo-home/bin/cargo" "+ef8c760c4c3d93b561a5b431502e92f4b4773aca" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cdbb8e30a15a3b7f713b18e80e8d389547d083ee37694d495a832aaca638a8b8
[INFO] running `Command { std: "docker" "start" "-a" "cdbb8e30a15a3b7f713b18e80e8d389547d083ee37694d495a832aaca638a8b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdbb8e30a15a3b7f713b18e80e8d389547d083ee37694d495a832aaca638a8b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdbb8e30a15a3b7f713b18e80e8d389547d083ee37694d495a832aaca638a8b8", kill_on_drop: false }`
[INFO] [stdout] cdbb8e30a15a3b7f713b18e80e8d389547d083ee37694d495a832aaca638a8b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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" "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:a429bb59b7a3b4e7270a4b4c243bb115fc561d8f62ec34ef63a0a36cabf65dfd" "/opt/rustwide/cargo-home/bin/cargo" "+ef8c760c4c3d93b561a5b431502e92f4b4773aca" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b0c3e3fbfa89c166a079deddb312671dfa2d48ceea6b1ff93a6b0f169801049
[INFO] running `Command { std: "docker" "start" "-a" "8b0c3e3fbfa89c166a079deddb312671dfa2d48ceea6b1ff93a6b0f169801049", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking futures v0.1.31
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[INFO] [stderr]    Compiling parking_lot_core v0.6.2
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[INFO] [stderr]     Checking futures-cpupool v0.1.8
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[INFO] [stderr]     Checking serde_json v1.0.74
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
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[INFO] [stderr]     Checking hyper-tls v0.3.2
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[INFO] [stderr]     Checking rocket_http v0.4.10
[INFO] [stderr]    Compiling devise v0.2.0
[INFO] [stderr]     Checking rocket_prometheus_logger v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `Command { std: "docker" "inspect" "8b0c3e3fbfa89c166a079deddb312671dfa2d48ceea6b1ff93a6b0f169801049", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b0c3e3fbfa89c166a079deddb312671dfa2d48ceea6b1ff93a6b0f169801049", kill_on_drop: false }`
[INFO] [stdout] 8b0c3e3fbfa89c166a079deddb312671dfa2d48ceea6b1ff93a6b0f169801049