[INFO] fetching crate nfprobe 0.0.1...
[INFO] building nfprobe-0.0.1 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate nfprobe 0.0.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate nfprobe 0.0.1
[INFO] finished tweaking crates.io crate nfprobe 0.0.1
[INFO] tweaked toml for crates.io crate nfprobe 0.0.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nfprobe 0.0.1 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate nfprobe 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f963ce730f6e668258d07c1adbc5995c50305ca6f1a070135379e85b34e2d039
[INFO] running `Command { std: "docker" "start" "-a" "f963ce730f6e668258d07c1adbc5995c50305ca6f1a070135379e85b34e2d039", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f963ce730f6e668258d07c1adbc5995c50305ca6f1a070135379e85b34e2d039", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f963ce730f6e668258d07c1adbc5995c50305ca6f1a070135379e85b34e2d039", kill_on_drop: false }`
[INFO] [stdout] f963ce730f6e668258d07c1adbc5995c50305ca6f1a070135379e85b34e2d039
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44fdf8d82cdaeb586c0edcc5b861d84736d94c7ec80f195099a9ee594c990500
[INFO] running `Command { std: "docker" "start" "-a" "44fdf8d82cdaeb586c0edcc5b861d84736d94c7ec80f195099a9ee594c990500", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling elf_rs v0.1.1
[INFO] [stderr]    Compiling nfprobe v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `error`
[INFO] [stdout]   --> src/macros.rs:17:23
[INFO] [stdout]    |
[INFO] [stdout] 17 |           use $crate::{ error, Result };
[INFO] [stdout]    |                         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/metrics.rs:81:1
[INFO] [stdout]    |
[INFO] [stdout] 81 | / define_metrics!{
[INFO] [stdout] 82 | |     {"eth", eth_metric_key, eth_metric_val, ETH_METRIC_MAP_LIMIT},
[INFO] [stdout] 83 | |     {"ip",  ip_metric_key,  ip_metric_val,  IP_METRIC_MAP_LIMIT},
[INFO] [stdout] 84 | |     {"udp", udp_metric_key, udp_metric_val, UDP_METRIC_MAP_LIMIT},
[INFO] [stdout] 85 | |     {"tcp", tcp_metric_key, tcp_metric_val, TCP_METRIC_MAP_LIMIT},
[INFO] [stdout] 86 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `define_metrics` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.09s
[INFO] running `Command { std: "docker" "inspect" "44fdf8d82cdaeb586c0edcc5b861d84736d94c7ec80f195099a9ee594c990500", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44fdf8d82cdaeb586c0edcc5b861d84736d94c7ec80f195099a9ee594c990500", kill_on_drop: false }`
[INFO] [stdout] 44fdf8d82cdaeb586c0edcc5b861d84736d94c7ec80f195099a9ee594c990500
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ea2b469a68bdfc807d82542f9e801d0b367bacd4198c92ec1b600ef1317e09a
[INFO] running `Command { std: "docker" "start" "-a" "6ea2b469a68bdfc807d82542f9e801d0b367bacd4198c92ec1b600ef1317e09a", kill_on_drop: false }`
[INFO] [stderr]    Compiling nfprobe v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `error`
[INFO] [stdout]   --> src/macros.rs:17:23
[INFO] [stdout]    |
[INFO] [stdout] 17 |           use $crate::{ error, Result };
[INFO] [stdout]    |                         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/metrics.rs:81:1
[INFO] [stdout]    |
[INFO] [stdout] 81 | / define_metrics!{
[INFO] [stdout] 82 | |     {"eth", eth_metric_key, eth_metric_val, ETH_METRIC_MAP_LIMIT},
[INFO] [stdout] 83 | |     {"ip",  ip_metric_key,  ip_metric_val,  IP_METRIC_MAP_LIMIT},
[INFO] [stdout] 84 | |     {"udp", udp_metric_key, udp_metric_val, UDP_METRIC_MAP_LIMIT},
[INFO] [stdout] 85 | |     {"tcp", tcp_metric_key, tcp_metric_val, TCP_METRIC_MAP_LIMIT},
[INFO] [stdout] 86 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `define_metrics` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error`
[INFO] [stdout]   --> src/macros.rs:17:23
[INFO] [stdout]    |
[INFO] [stdout] 17 |           use $crate::{ error, Result };
[INFO] [stdout]    |                         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/metrics.rs:81:1
[INFO] [stdout]    |
[INFO] [stdout] 81 | / define_metrics!{
[INFO] [stdout] 82 | |     {"eth", eth_metric_key, eth_metric_val, ETH_METRIC_MAP_LIMIT},
[INFO] [stdout] 83 | |     {"ip",  ip_metric_key,  ip_metric_val,  IP_METRIC_MAP_LIMIT},
[INFO] [stdout] 84 | |     {"udp", udp_metric_key, udp_metric_val, UDP_METRIC_MAP_LIMIT},
[INFO] [stdout] 85 | |     {"tcp", tcp_metric_key, tcp_metric_val, TCP_METRIC_MAP_LIMIT},
[INFO] [stdout] 86 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `define_metrics` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "6ea2b469a68bdfc807d82542f9e801d0b367bacd4198c92ec1b600ef1317e09a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ea2b469a68bdfc807d82542f9e801d0b367bacd4198c92ec1b600ef1317e09a", kill_on_drop: false }`
[INFO] [stdout] 6ea2b469a68bdfc807d82542f9e801d0b367bacd4198c92ec1b600ef1317e09a