[INFO] fetching crate metrics-exporter-tcp 0.1.0-alpha.5...
[INFO] checking metrics-exporter-tcp-0.1.0-alpha.5 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] extracting crate metrics-exporter-tcp 0.1.0-alpha.5 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate metrics-exporter-tcp 0.1.0-alpha.5 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate metrics-exporter-tcp 0.1.0-alpha.5
[INFO] finished tweaking crates.io crate metrics-exporter-tcp 0.1.0-alpha.5
[INFO] tweaked toml for crates.io crate metrics-exporter-tcp 0.1.0-alpha.5 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate metrics-exporter-tcp 0.1.0-alpha.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quanta v0.6.5
[INFO] [stderr]   Downloaded metrics-util v0.4.0-alpha.5
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f580b5e29a1b77a6d538f5e38dc4ceb7cde57f4b2c5c453913a73c948a4ee280
[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" "f580b5e29a1b77a6d538f5e38dc4ceb7cde57f4b2c5c453913a73c948a4ee280", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f580b5e29a1b77a6d538f5e38dc4ceb7cde57f4b2c5c453913a73c948a4ee280", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f580b5e29a1b77a6d538f5e38dc4ceb7cde57f4b2c5c453913a73c948a4ee280", kill_on_drop: false }`
[INFO] [stdout] f580b5e29a1b77a6d538f5e38dc4ceb7cde57f4b2c5c453913a73c948a4ee280
[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=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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71b2b24df05d0d513e51cf84574db6dc09dc49e6ae24fe723ea6e53ede56f7ef
[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" "71b2b24df05d0d513e51cf84574db6dc09dc49e6ae24fe723ea6e53ede56f7ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.46
[INFO] [stderr]    Compiling tinyvec v0.3.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling regex-syntax v0.6.20
[INFO] [stderr]    Compiling metrics v0.13.0-alpha.8
[INFO] [stderr]     Checking atomic-shim v0.1.0
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling aho-corasick v0.7.14
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking mio v0.7.4
[INFO] [stderr]    Compiling const-random-macro v0.1.11
[INFO] [stderr]     Checking crossbeam-epoch v0.9.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.13
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]     Checking const-random v0.1.11
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking dashmap v3.11.10
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling regex v1.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling metrics-macros v0.1.0-alpha.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking metrics-util v0.4.0-alpha.5
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]     Checking prost-types v0.6.1
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]     Checking tracing-subscriber v0.2.14
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling raw-cpuid v8.1.2
[INFO] [stderr]    Compiling cargo-lock v4.0.1
[INFO] [stderr]     Checking quanta v0.6.5
[INFO] [stderr]    Compiling built v0.4.3
[INFO] [stderr]    Compiling metrics-exporter-tcp v0.1.0-alpha.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 37s
[INFO] running `Command { std: "docker" "inspect" "71b2b24df05d0d513e51cf84574db6dc09dc49e6ae24fe723ea6e53ede56f7ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71b2b24df05d0d513e51cf84574db6dc09dc49e6ae24fe723ea6e53ede56f7ef", kill_on_drop: false }`
[INFO] [stdout] 71b2b24df05d0d513e51cf84574db6dc09dc49e6ae24fe723ea6e53ede56f7ef