[INFO] fetching crate prom-write 0.2.1...
[INFO] building prom-write-0.2.1 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate prom-write 0.2.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate prom-write 0.2.1
[INFO] finished tweaking crates.io crate prom-write 0.2.1
[INFO] tweaked toml for crates.io crate prom-write 0.2.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate prom-write 0.2.1 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] crate crates.io crate prom-write 0.2.1 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prost-derive v0.12.1
[INFO] [stderr]   Downloaded prometheus-parse v0.2.4
[INFO] [stderr]   Downloaded prost v0.12.1
[INFO] [stderr]   Downloaded ureq v2.8.0
[INFO] [stderr]   Downloaded prometheus_remote_write v0.2.1
[INFO] [stderr]   Downloaded rustls v0.21.8
[INFO] [stderr]   Downloaded ring v0.17.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 5cf5966ffd1e4eae73edccaa0a06651a1a0096b41c64adbfdaefb6f443496591
[INFO] running `Command { std: "docker" "start" "-a" "5cf5966ffd1e4eae73edccaa0a06651a1a0096b41c64adbfdaefb6f443496591", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5cf5966ffd1e4eae73edccaa0a06651a1a0096b41c64adbfdaefb6f443496591", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cf5966ffd1e4eae73edccaa0a06651a1a0096b41c64adbfdaefb6f443496591", kill_on_drop: false }`
[INFO] [stdout] 5cf5966ffd1e4eae73edccaa0a06651a1a0096b41c64adbfdaefb6f443496591
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 0e4d5721a71d912fe04c09c0342c1d872eb5ab3664d6e3df7741689e774efe43
[INFO] running `Command { std: "docker" "start" "-a" "0e4d5721a71d912fe04c09c0342c1d872eb5ab3664d6e3df7741689e774efe43", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling gimli v0.28.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.58
[INFO] [stderr]    Compiling snap v1.1.0
[INFO] [stderr]    Compiling rustls v0.21.8
[INFO] [stderr]    Compiling url v2.4.1
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling rustc-demangle v0.1.23
[INFO] [stderr]    Compiling http v0.2.9
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling base64 v0.21.5
[INFO] [stderr]    Compiling webpki-roots v0.25.2
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling object v0.32.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling chrono v0.4.31
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling ring v0.17.5
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling addr2line v0.21.0
[INFO] [stderr]    Compiling prost-derive v0.12.1
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling prometheus-parse v0.2.4
[INFO] [stderr]    Compiling prost v0.12.1
[INFO] [stderr]    Compiling prometheus_remote_write v0.2.1
[INFO] [stderr]    Compiling rustls-webpki v0.101.7
[INFO] [stderr]    Compiling sct v0.7.1
[INFO] [stderr]    Compiling ureq v2.8.0
[INFO] [stderr]    Compiling prom-write v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.98s
[INFO] running `Command { std: "docker" "inspect" "0e4d5721a71d912fe04c09c0342c1d872eb5ab3664d6e3df7741689e774efe43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e4d5721a71d912fe04c09c0342c1d872eb5ab3664d6e3df7741689e774efe43", kill_on_drop: false }`
[INFO] [stdout] 0e4d5721a71d912fe04c09c0342c1d872eb5ab3664d6e3df7741689e774efe43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 71fdd89e85258b5b573072c3feed6995bc51340c991c062baf5f2b5d0484f613
[INFO] running `Command { std: "docker" "start" "-a" "71fdd89e85258b5b573072c3feed6995bc51340c991c062baf5f2b5d0484f613", kill_on_drop: false }`
[INFO] [stderr]    Compiling prom-write v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.87s
[INFO] running `Command { std: "docker" "inspect" "71fdd89e85258b5b573072c3feed6995bc51340c991c062baf5f2b5d0484f613", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71fdd89e85258b5b573072c3feed6995bc51340c991c062baf5f2b5d0484f613", kill_on_drop: false }`
[INFO] [stdout] 71fdd89e85258b5b573072c3feed6995bc51340c991c062baf5f2b5d0484f613