[INFO] cloning repository https://github.com/RohanGautam/prometheus-rust-latency-collection
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RohanGautam/prometheus-rust-latency-collection" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRohanGautam%2Fprometheus-rust-latency-collection", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRohanGautam%2Fprometheus-rust-latency-collection'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d52d9bf2f17234f2df5b6728cd65f1be3d36dcd7
[INFO] testing RohanGautam/prometheus-rust-latency-collection against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRohanGautam%2Fprometheus-rust-latency-collection" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RohanGautam/prometheus-rust-latency-collection on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RohanGautam/prometheus-rust-latency-collection
[INFO] finished tweaking git repo https://github.com/RohanGautam/prometheus-rust-latency-collection
[INFO] tweaked toml for git repo https://github.com/RohanGautam/prometheus-rust-latency-collection written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/RohanGautam/prometheus-rust-latency-collection already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded procfs v0.7.9
[INFO] [stderr]   Downloaded libflate_lz77 v1.0.0
[INFO] [stderr]   Downloaded libflate v1.0.3
[INFO] [stderr]   Downloaded prometheus v0.9.0
[INFO] [stderr]   Downloaded protobuf v2.22.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f8a3171438640cd80d9c85d2d6d5a856e526d5567d4a81f70c560dcc6975a7c1
[INFO] running `Command { std: "docker" "start" "-a" "f8a3171438640cd80d9c85d2d6d5a856e526d5567d4a81f70c560dcc6975a7c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8a3171438640cd80d9c85d2d6d5a856e526d5567d4a81f70c560dcc6975a7c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8a3171438640cd80d9c85d2d6d5a856e526d5567d4a81f70c560dcc6975a7c1", kill_on_drop: false }`
[INFO] [stdout] f8a3171438640cd80d9c85d2d6d5a856e526d5567d4a81f70c560dcc6975a7c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 765fe640a494a997df3675e16b0c23df8369e4cfd4db1a339cb8cb1bee977815
[INFO] running `Command { std: "docker" "start" "-a" "765fe640a494a997df3675e16b0c23df8369e4cfd4db1a339cb8cb1bee977815", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling byteorder v1.4.2
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling protobuf v2.22.0
[INFO] [stderr]    Compiling libflate_lz77 v1.0.0
[INFO] [stderr]    Compiling utf-8 v0.7.5
[INFO] [stderr]    Compiling hex v0.4.2
[INFO] [stderr]    Compiling futures-io v0.3.12
[INFO] [stderr]    Compiling prometheus v0.9.0
[INFO] [stderr]    Compiling dtoa v0.4.7
[INFO] [stderr]    Compiling urlencoding v1.1.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling futures-task v0.3.12
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling headers-core v0.2.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.17
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling twoway v0.1.8
[INFO] [stderr]    Compiling buf_redux v0.8.4
[INFO] [stderr]    Compiling rand_core v0.6.1
[INFO] [stderr]    Compiling libflate v1.0.3
[INFO] [stderr]    Compiling futures-util v0.3.12
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling sha-1 v0.8.2
[INFO] [stderr]    Compiling idna v0.2.1
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling procfs v0.7.9
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling headers v0.3.3
[INFO] [stderr]    Compiling url v2.2.0
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling tungstenite v0.11.1
[INFO] [stderr]    Compiling futures v0.3.12
[INFO] [stderr]    Compiling multipart v0.17.1
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling pin-project v0.4.27
[INFO] [stderr]    Compiling tracing-futures v0.2.4
[INFO] [stderr]    Compiling pin-project v1.0.5
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tokio-tungstenite v0.11.0
[INFO] [stderr]    Compiling h2 v0.2.7
[INFO] [stderr]    Compiling hyper v0.13.10
[INFO] [stderr]    Compiling warp v0.2.5
[INFO] [stderr]    Compiling prometheus-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 08s
[INFO] running `Command { std: "docker" "inspect" "765fe640a494a997df3675e16b0c23df8369e4cfd4db1a339cb8cb1bee977815", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "765fe640a494a997df3675e16b0c23df8369e4cfd4db1a339cb8cb1bee977815", kill_on_drop: false }`
[INFO] [stdout] 765fe640a494a997df3675e16b0c23df8369e4cfd4db1a339cb8cb1bee977815
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1efab92130ae7c9b43c6cb629bae985ecdaedc267420571bee845ca45700a076
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1efab92130ae7c9b43c6cb629bae985ecdaedc267420571bee845ca45700a076", kill_on_drop: false }`
[INFO] [stderr]    Compiling prometheus-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.56s
[INFO] running `Command { std: "docker" "inspect" "1efab92130ae7c9b43c6cb629bae985ecdaedc267420571bee845ca45700a076", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1efab92130ae7c9b43c6cb629bae985ecdaedc267420571bee845ca45700a076", kill_on_drop: false }`
[INFO] [stdout] 1efab92130ae7c9b43c6cb629bae985ecdaedc267420571bee845ca45700a076
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f58fe779a360974642d7ca85008d3c2e99b3a4bde9a0daa4fe1f2225ea59a3a6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f58fe779a360974642d7ca85008d3c2e99b3a4bde9a0daa4fe1f2225ea59a3a6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/prometheus_test-c8893644a8839861)
[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" "f58fe779a360974642d7ca85008d3c2e99b3a4bde9a0daa4fe1f2225ea59a3a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f58fe779a360974642d7ca85008d3c2e99b3a4bde9a0daa4fe1f2225ea59a3a6", kill_on_drop: false }`
[INFO] [stdout] f58fe779a360974642d7ca85008d3c2e99b3a4bde9a0daa4fe1f2225ea59a3a6