[INFO] fetching crate metrics-process-promstyle 0.18.0...
[INFO] testing metrics-process-promstyle-0.18.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate metrics-process-promstyle 0.18.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate metrics-process-promstyle 0.18.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate metrics-process-promstyle 0.18.0
[INFO] finished tweaking crates.io crate metrics-process-promstyle 0.18.0
[INFO] tweaked toml for crates.io crate metrics-process-promstyle 0.18.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate metrics-process-promstyle 0.18.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded metrics-exporter-prometheus v0.9.0
[INFO] [stderr]   Downloaded metrics-util v0.12.0
[INFO] [stderr]   Downloaded procfs v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ccbabdc8043dac94031bd61c13e1b3280d5cce1d3a821f65805c2a5b18ee104
[INFO] running `Command { std: "docker" "start" "-a" "5ccbabdc8043dac94031bd61c13e1b3280d5cce1d3a821f65805c2a5b18ee104", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ccbabdc8043dac94031bd61c13e1b3280d5cce1d3a821f65805c2a5b18ee104", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ccbabdc8043dac94031bd61c13e1b3280d5cce1d3a821f65805c2a5b18ee104", kill_on_drop: false }`
[INFO] [stdout] 5ccbabdc8043dac94031bd61c13e1b3280d5cce1d3a821f65805c2a5b18ee104
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f32a8f40ac7d3733c0d16151d3762a94cbbf6be6c4fbef237356f14d5e68214e
[INFO] running `Command { std: "docker" "start" "-a" "f32a8f40ac7d3733c0d16151d3762a94cbbf6be6c4fbef237356f14d5e68214e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling metrics v0.18.1
[INFO] [stderr]    Compiling once_cell v1.10.0
[INFO] [stderr]    Compiling quote v1.0.16
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling flate2 v1.0.22
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling procfs v0.12.0
[INFO] [stderr]    Compiling metrics-macros v0.5.1
[INFO] [stderr]    Compiling metrics-process-promstyle v0.18.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.21s
[INFO] running `Command { std: "docker" "inspect" "f32a8f40ac7d3733c0d16151d3762a94cbbf6be6c4fbef237356f14d5e68214e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f32a8f40ac7d3733c0d16151d3762a94cbbf6be6c4fbef237356f14d5e68214e", kill_on_drop: false }`
[INFO] [stdout] f32a8f40ac7d3733c0d16151d3762a94cbbf6be6c4fbef237356f14d5e68214e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd71517141598dac0d75713fab4a2f0018efcb1d9e65a952014a51abe620f80a
[INFO] running `Command { std: "docker" "start" "-a" "dd71517141598dac0d75713fab4a2f0018efcb1d9e65a952014a51abe620f80a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling httparse v1.6.0
[INFO] [stderr]    Compiling httpdate v1.0.2
[INFO] [stderr]    Compiling sketches-ddsketch v0.1.2
[INFO] [stderr]    Compiling atomic-shim v0.2.0
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling tracing-core v0.1.23
[INFO] [stderr]    Compiling raw-cpuid v10.3.0
[INFO] [stderr]    Compiling lock_api v0.4.6
[INFO] [stderr]    Compiling http v0.2.6
[INFO] [stderr]    Compiling quote v1.0.16
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling mio v0.8.2
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling quanta v0.9.3
[INFO] [stderr]    Compiling http-body v0.4.4
[INFO] [stderr]    Compiling metrics-macros v0.5.1
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.20
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling metrics v0.18.1
[INFO] [stderr]    Compiling tokio v1.17.0
[INFO] [stderr]    Compiling metrics-util v0.12.0
[INFO] [stderr]    Compiling metrics-process-promstyle v0.18.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling tracing v0.1.32
[INFO] [stderr]    Compiling hyper v0.14.17
[INFO] [stderr]    Compiling metrics-exporter-prometheus v0.9.0
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 18.71s
[INFO] running `Command { std: "docker" "inspect" "dd71517141598dac0d75713fab4a2f0018efcb1d9e65a952014a51abe620f80a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd71517141598dac0d75713fab4a2f0018efcb1d9e65a952014a51abe620f80a", kill_on_drop: false }`
[INFO] [stdout] dd71517141598dac0d75713fab4a2f0018efcb1d9e65a952014a51abe620f80a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0c863e6c6041ab311dafa27d8e3242122b76a44e89fa62c1bb1bd5bdd28a01ad
[INFO] running `Command { std: "docker" "start" "-a" "0c863e6c6041ab311dafa27d8e3242122b76a44e89fa62c1bb1bd5bdd28a01ad", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/metrics_process_promstyle-de0f24d92d99a70c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests metrics-process-promstyle
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0c863e6c6041ab311dafa27d8e3242122b76a44e89fa62c1bb1bd5bdd28a01ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c863e6c6041ab311dafa27d8e3242122b76a44e89fa62c1bb1bd5bdd28a01ad", kill_on_drop: false }`
[INFO] [stdout] 0c863e6c6041ab311dafa27d8e3242122b76a44e89fa62c1bb1bd5bdd28a01ad