[INFO] fetching crate metrics-exporter-tcp 0.6.0...
[INFO] testing metrics-exporter-tcp-0.6.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate metrics-exporter-tcp 0.6.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate metrics-exporter-tcp 0.6.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate metrics-exporter-tcp 0.6.0
[INFO] finished tweaking crates.io crate metrics-exporter-tcp 0.6.0
[INFO] tweaked toml for crates.io crate metrics-exporter-tcp 0.6.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate metrics-exporter-tcp 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2e4de9a4dfab7bd85816fcb9d31592ffbab6cd64a77922f01166b5421b116a2
[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" "a2e4de9a4dfab7bd85816fcb9d31592ffbab6cd64a77922f01166b5421b116a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2e4de9a4dfab7bd85816fcb9d31592ffbab6cd64a77922f01166b5421b116a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2e4de9a4dfab7bd85816fcb9d31592ffbab6cd64a77922f01166b5421b116a2", kill_on_drop: false }`
[INFO] [stdout] a2e4de9a4dfab7bd85816fcb9d31592ffbab6cd64a77922f01166b5421b116a2
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b75d8b097e553d441340faabaf41dddd6f5f928188848505e9d57ea82cb3b0ec
[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" "b75d8b097e553d441340faabaf41dddd6f5f928188848505e9d57ea82cb3b0ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling fastrand v1.6.0
[INFO] [stderr]    Compiling metrics v0.18.0
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling tracing-core v0.1.21
[INFO] [stderr]    Compiling getrandom v0.2.4
[INFO] [stderr]    Compiling mio v0.8.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.2
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling petgraph v0.6.0
[INFO] [stderr]    Compiling prost-derive v0.9.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling metrics-macros v0.5.0
[INFO] [stderr]    Compiling tracing v0.1.29
[INFO] [stderr]    Compiling prost v0.9.0
[INFO] [stderr]    Compiling prost-types v0.9.0
[INFO] [stderr]    Compiling prost-build v0.9.0
[INFO] [stderr]    Compiling metrics-exporter-tcp v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.16s
[INFO] running `Command { std: "docker" "inspect" "b75d8b097e553d441340faabaf41dddd6f5f928188848505e9d57ea82cb3b0ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b75d8b097e553d441340faabaf41dddd6f5f928188848505e9d57ea82cb3b0ec", kill_on_drop: false }`
[INFO] [stdout] b75d8b097e553d441340faabaf41dddd6f5f928188848505e9d57ea82cb3b0ec
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--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] a6115bdd52431d95151a973ec946f287bbc144171e981c21c730780bce76b782
[INFO] running `Command { std: "docker" "start" "-a" "a6115bdd52431d95151a973ec946f287bbc144171e981c21c730780bce76b782", kill_on_drop: false }`
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling tracing-log v0.1.2
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling quanta v0.9.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling tracing-subscriber v0.3.6
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling metrics-exporter-tcp v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.28s
[INFO] running `Command { std: "docker" "inspect" "a6115bdd52431d95151a973ec946f287bbc144171e981c21c730780bce76b782", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6115bdd52431d95151a973ec946f287bbc144171e981c21c730780bce76b782", kill_on_drop: false }`
[INFO] [stdout] a6115bdd52431d95151a973ec946f287bbc144171e981c21c730780bce76b782
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 49fb6fc5a73f291d8a97424f5d885c2d33070bb8eae338292b93839c141daa1a
[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" "49fb6fc5a73f291d8a97424f5d885c2d33070bb8eae338292b93839c141daa1a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/metrics_exporter_tcp-efcdd99f71e4da7b)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests metrics-exporter-tcp
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 33) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.71s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "49fb6fc5a73f291d8a97424f5d885c2d33070bb8eae338292b93839c141daa1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49fb6fc5a73f291d8a97424f5d885c2d33070bb8eae338292b93839c141daa1a", kill_on_drop: false }`
[INFO] [stdout] 49fb6fc5a73f291d8a97424f5d885c2d33070bb8eae338292b93839c141daa1a