[INFO] fetching crate prometheus_exporter 0.8.5...
[INFO] building prometheus_exporter-0.8.5 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate prometheus_exporter 0.8.5 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate prometheus_exporter 0.8.5
[INFO] finished tweaking crates.io crate prometheus_exporter 0.8.5
[INFO] tweaked toml for crates.io crate prometheus_exporter 0.8.5 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate prometheus_exporter 0.8.5 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate prometheus_exporter 0.8.5 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror-impl v1.0.32
[INFO] [stderr]   Downloaded thiserror v1.0.32
[INFO] [stderr]   Downloaded serde v1.0.142
[INFO] [stderr]   Downloaded tiny_http v0.10.0
[INFO] [stderr]   Downloaded time v0.3.12
[INFO] [stderr]   Downloaded chunked_transfer v1.4.0
[INFO] [stderr]   Downloaded time-macros v0.2.4
[INFO] [stderr]   Downloaded prometheus v0.13.1
[INFO] [stderr]   Downloaded libc v0.2.127
[INFO] [stderr]   Downloaded ascii v1.0.0
[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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 769041f1e91605673e53dea3b7198302bbf06a6a7fdc828e97b60b792efec6a0
[INFO] running `Command { std: "docker" "start" "-a" "769041f1e91605673e53dea3b7198302bbf06a6a7fdc828e97b60b792efec6a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "769041f1e91605673e53dea3b7198302bbf06a6a7fdc828e97b60b792efec6a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "769041f1e91605673e53dea3b7198302bbf06a6a7fdc828e97b60b792efec6a0", kill_on_drop: false }`
[INFO] [stdout] 769041f1e91605673e53dea3b7198302bbf06a6a7fdc828e97b60b792efec6a0
[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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe07951f559bbb6932fac3c3770ae75326c782082882c9f0b037afd39e1d504c
[INFO] running `Command { std: "docker" "start" "-a" "fe07951f559bbb6932fac3c3770ae75326c782082882c9f0b037afd39e1d504c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling libc v0.2.127
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling smallvec v1.9.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.8
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling prometheus v0.13.1
[INFO] [stderr]    Compiling itoa v1.0.3
[INFO] [stderr]    Compiling num_threads v0.1.6
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]    Compiling chunked_transfer v1.4.0
[INFO] [stderr]    Compiling ascii v1.0.0
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling time v0.3.12
[INFO] [stderr]    Compiling unicode-normalization v0.1.21
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.32
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling tiny_http v0.10.0
[INFO] [stderr]    Compiling thiserror v1.0.32
[INFO] [stderr]    Compiling prometheus_exporter v0.8.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.86s
[INFO] running `Command { std: "docker" "inspect" "fe07951f559bbb6932fac3c3770ae75326c782082882c9f0b037afd39e1d504c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe07951f559bbb6932fac3c3770ae75326c782082882c9f0b037afd39e1d504c", kill_on_drop: false }`
[INFO] [stdout] fe07951f559bbb6932fac3c3770ae75326c782082882c9f0b037afd39e1d504c
[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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9844357addd79e0de00f239f855f4c1495953537cba5fc24d27b209bbfb3dbd9
[INFO] running `Command { std: "docker" "start" "-a" "9844357addd79e0de00f239f855f4c1495953537cba5fc24d27b209bbfb3dbd9", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling once_cell v1.13.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling tokio v1.20.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling openssl v0.10.41
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling http v0.2.8
[INFO] [stderr]    Compiling httparse v1.7.1
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]    Compiling mio v0.8.4
[INFO] [stderr]    Compiling futures-io v0.3.21
[INFO] [stderr]    Compiling tracing-core v0.1.29
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling serde v1.0.142
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]    Compiling httpdate v1.0.2
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling tracing v0.1.36
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling ryu v1.0.11
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling tiny_http v0.10.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling ipnet v2.5.0
[INFO] [stderr]    Compiling openssl-sys v0.9.75
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling http-body v0.4.5
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.32
[INFO] [stderr]    Compiling tokio-util v0.7.3
[INFO] [stderr]    Compiling thiserror v1.0.32
[INFO] [stderr]    Compiling prometheus v0.13.1
[INFO] [stderr]    Compiling h2 v0.3.13
[INFO] [stderr]    Compiling prometheus_exporter v0.8.5 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling hyper v0.14.20
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.11
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 32.32s
[INFO] running `Command { std: "docker" "inspect" "9844357addd79e0de00f239f855f4c1495953537cba5fc24d27b209bbfb3dbd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9844357addd79e0de00f239f855f4c1495953537cba5fc24d27b209bbfb3dbd9", kill_on_drop: false }`
[INFO] [stdout] 9844357addd79e0de00f239f855f4c1495953537cba5fc24d27b209bbfb3dbd9