[INFO] cloning repository https://github.com/ViridianForge/purple_exporter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ViridianForge/purple_exporter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FViridianForge%2Fpurple_exporter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FViridianForge%2Fpurple_exporter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 637626941a0301cbb9b6cf1f7b7ce476fba172d5
[INFO] checking ViridianForge/purple_exporter against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FViridianForge%2Fpurple_exporter" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ViridianForge/purple_exporter on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ViridianForge/purple_exporter
[INFO] finished tweaking git repo https://github.com/ViridianForge/purple_exporter
[INFO] tweaked toml for git repo https://github.com/ViridianForge/purple_exporter written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/ViridianForge/purple_exporter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28c916d1fbbfe85373320e7b790f5d346621680a029cb5c0c8eba857da542cf2
[INFO] running `Command { std: "docker" "start" "-a" "28c916d1fbbfe85373320e7b790f5d346621680a029cb5c0c8eba857da542cf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28c916d1fbbfe85373320e7b790f5d346621680a029cb5c0c8eba857da542cf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28c916d1fbbfe85373320e7b790f5d346621680a029cb5c0c8eba857da542cf2", kill_on_drop: false }`
[INFO] [stdout] 28c916d1fbbfe85373320e7b790f5d346621680a029cb5c0c8eba857da542cf2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc6570c86d27b241334a9ab82e9e8a599175e5df10da1888477f19b73dcc33dc
[INFO] running `Command { std: "docker" "start" "-a" "cc6570c86d27b241334a9ab82e9e8a599175e5df10da1888477f19b73dcc33dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.92
[INFO] [stderr]    Compiling syn v1.0.68
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling openssl v0.10.33
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking futures-sink v0.3.13
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking futures-task v0.3.13
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]     Checking ascii v1.0.0
[INFO] [stderr]     Checking chunked_transfer v1.4.0
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling prometheus v0.11.0
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]     Checking idna v0.2.2
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]    Compiling openssl-sys v0.9.61
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking url v2.2.1
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking tiny_http v0.7.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking pin-project v1.0.6
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking prometheus_exporter v0.8.0
[INFO] [stderr]     Checking hyper v0.13.10
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.10
[INFO] [stderr]     Checking purple_exporter v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 22s
[INFO] running `Command { std: "docker" "inspect" "cc6570c86d27b241334a9ab82e9e8a599175e5df10da1888477f19b73dcc33dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc6570c86d27b241334a9ab82e9e8a599175e5df10da1888477f19b73dcc33dc", kill_on_drop: false }`
[INFO] [stdout] cc6570c86d27b241334a9ab82e9e8a599175e5df10da1888477f19b73dcc33dc