[INFO] fetching crate metrics-exporter-tcp 0.6.0...
[INFO] testing metrics-exporter-tcp-0.6.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate metrics-exporter-tcp 0.6.0 into /workspace/builds/worker-24/source
[INFO] validating manifest of crates.io crate metrics-exporter-tcp 0.6.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-24/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" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded metrics v0.18.0
[INFO] [stderr]   Downloaded metrics-macros v0.5.0
[INFO] [stderr]   Downloaded tracing-subscriber v0.3.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d49d7770b8df3856b1ccd8ce1e6cd34462731677d648ea22aa18eb98e60439b2
[INFO] running `Command { std: "docker" "start" "-a" "d49d7770b8df3856b1ccd8ce1e6cd34462731677d648ea22aa18eb98e60439b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d49d7770b8df3856b1ccd8ce1e6cd34462731677d648ea22aa18eb98e60439b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d49d7770b8df3856b1ccd8ce1e6cd34462731677d648ea22aa18eb98e60439b2", kill_on_drop: false }`
[INFO] [stdout] d49d7770b8df3856b1ccd8ce1e6cd34462731677d648ea22aa18eb98e60439b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d264cdd09e8683bc5eb30518c4e97d491c2c3114bc3aa29645a54be323349b4d
[INFO] running `Command { std: "docker" "start" "-a" "d264cdd09e8683bc5eb30518c4e97d491c2c3114bc3aa29645a54be323349b4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling anyhow v1.0.52
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling fastrand v1.6.0
[INFO] [stderr]    Compiling metrics v0.18.0
[INFO] [stderr]    Compiling tracing-core v0.1.21
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling crossbeam-channel v0.5.2
[INFO] [stderr]    Compiling which v4.2.2
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling getrandom v0.2.4
[INFO] [stderr]    Compiling mio v0.8.0
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling prost-build v0.9.0
[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 metrics-exporter-tcp v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.95s
[INFO] running `Command { std: "docker" "inspect" "d264cdd09e8683bc5eb30518c4e97d491c2c3114bc3aa29645a54be323349b4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d264cdd09e8683bc5eb30518c4e97d491c2c3114bc3aa29645a54be323349b4d", kill_on_drop: false }`
[INFO] [stdout] d264cdd09e8683bc5eb30518c4e97d491c2c3114bc3aa29645a54be323349b4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79f7251b138d3d6f8e843bcf03e24c50162a1f90961e3d759c65a5525ccf4caf
[INFO] running `Command { std: "docker" "start" "-a" "79f7251b138d3d6f8e843bcf03e24c50162a1f90961e3d759c65a5525ccf4caf", kill_on_drop: false }`
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling sharded-slab v0.1.4
[INFO] [stderr]    Compiling raw-cpuid v10.2.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling tracing-log v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling tracing-subscriber v0.3.6
[INFO] [stderr]    Compiling quanta v0.9.3
[INFO] [stderr]    Compiling metrics-exporter-tcp v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.25s
[INFO] running `Command { std: "docker" "inspect" "79f7251b138d3d6f8e843bcf03e24c50162a1f90961e3d759c65a5525ccf4caf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79f7251b138d3d6f8e843bcf03e24c50162a1f90961e3d759c65a5525ccf4caf", kill_on_drop: false }`
[INFO] [stdout] 79f7251b138d3d6f8e843bcf03e24c50162a1f90961e3d759c65a5525ccf4caf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a842a4440d9e799fc0589828fa3f573221457690403f2ce96a917ba40ea3e42d
[INFO] running `Command { std: "docker" "start" "-a" "a842a4440d9e799fc0589828fa3f573221457690403f2ce96a917ba40ea3e42d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/metrics_exporter_tcp-ec46a7af132ca3b4)
[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] [stderr]    Doc-tests metrics-exporter-tcp
[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 0.30s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a842a4440d9e799fc0589828fa3f573221457690403f2ce96a917ba40ea3e42d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a842a4440d9e799fc0589828fa3f573221457690403f2ce96a917ba40ea3e42d", kill_on_drop: false }`
[INFO] [stdout] a842a4440d9e799fc0589828fa3f573221457690403f2ce96a917ba40ea3e42d