[INFO] cloning repository https://github.com/blt/prometheus_parsing_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/blt/prometheus_parsing_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblt%2Fprometheus_parsing_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblt%2Fprometheus_parsing_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4c9a91f0c96234d3697ee57de67e0e546ce2df71
[INFO] testing blt/prometheus_parsing_test against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblt%2Fprometheus_parsing_test" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/blt/prometheus_parsing_test on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/blt/prometheus_parsing_test
[INFO] finished tweaking git repo https://github.com/blt/prometheus_parsing_test
[INFO] tweaked toml for git repo https://github.com/blt/prometheus_parsing_test written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/blt/prometheus_parsing_test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b430e8246c5befa343cd145b377acea323feb27bf90b5fc396caa067efc2377d
[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" "b430e8246c5befa343cd145b377acea323feb27bf90b5fc396caa067efc2377d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b430e8246c5befa343cd145b377acea323feb27bf90b5fc396caa067efc2377d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b430e8246c5befa343cd145b377acea323feb27bf90b5fc396caa067efc2377d", kill_on_drop: false }`
[INFO] [stdout] b430e8246c5befa343cd145b377acea323feb27bf90b5fc396caa067efc2377d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f52c5761fb497302e3d86a46aca216b8b078c39b8d5cc8ac08ac2df81b224a1
[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" "4f52c5761fb497302e3d86a46aca216b8b078c39b8d5cc8ac08ac2df81b224a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling pest v1.0.0-beta.16
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]    Compiling pest_derive v1.0.0-beta.16
[INFO] [stderr]    Compiling prometheus_parsing_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `block`
[INFO] [stdout]   --> src/main.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let mut block: SoftPrometheusBlock = SoftPrometheusBlock::new();
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |     let mut blocks = Vec::new();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let mut block: SoftPrometheusBlock = SoftPrometheusBlock::new();
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> src/main.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     name: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `description`
[INFO] [stdout]   --> src/main.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     description: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `labels`
[INFO] [stdout]   --> src/main.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     labels: Option<HashMap<String, String>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `aggregation`
[INFO] [stdout]   --> src/main.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     aggregation: Option<PrometheusAggregation>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `timestamp`
[INFO] [stdout]   --> src/main.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     timestamp: Option<u32>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `name`
[INFO] [stdout]   --> src/main.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn name(&mut self, n: &str) -> () {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `description`
[INFO] [stdout]   --> src/main.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn description(&mut self, d: &str) -> () {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `aggregation`
[INFO] [stdout]   --> src/main.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn aggregation(&mut self, aggr: PrometheusAggregation) -> () {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `harden`
[INFO] [stdout]   --> src/main.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn harden(self) -> PrometheusBlock {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.58s
[INFO] running `Command { std: "docker" "inspect" "4f52c5761fb497302e3d86a46aca216b8b078c39b8d5cc8ac08ac2df81b224a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f52c5761fb497302e3d86a46aca216b8b078c39b8d5cc8ac08ac2df81b224a1", kill_on_drop: false }`
[INFO] [stdout] 4f52c5761fb497302e3d86a46aca216b8b078c39b8d5cc8ac08ac2df81b224a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "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] ef3fa6f1d0f465529f03a9b155762369bef2b55e27e60055b3c54e95234e5dee
[INFO] running `Command { std: "docker" "start" "-a" "ef3fa6f1d0f465529f03a9b155762369bef2b55e27e60055b3c54e95234e5dee", kill_on_drop: false }`
[INFO] [stderr]    Compiling prometheus_parsing_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `block`
[INFO] [stdout]   --> src/main.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let mut block: SoftPrometheusBlock = SoftPrometheusBlock::new();
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |     let mut blocks = Vec::new();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let mut block: SoftPrometheusBlock = SoftPrometheusBlock::new();
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> src/main.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     name: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `description`
[INFO] [stdout]   --> src/main.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     description: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `labels`
[INFO] [stdout]   --> src/main.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     labels: Option<HashMap<String, String>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `aggregation`
[INFO] [stdout]   --> src/main.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     aggregation: Option<PrometheusAggregation>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `timestamp`
[INFO] [stdout]   --> src/main.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     timestamp: Option<u32>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `name`
[INFO] [stdout]   --> src/main.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn name(&mut self, n: &str) -> () {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `description`
[INFO] [stdout]   --> src/main.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn description(&mut self, d: &str) -> () {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `aggregation`
[INFO] [stdout]   --> src/main.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn aggregation(&mut self, aggr: PrometheusAggregation) -> () {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `harden`
[INFO] [stdout]   --> src/main.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn harden(self) -> PrometheusBlock {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "ef3fa6f1d0f465529f03a9b155762369bef2b55e27e60055b3c54e95234e5dee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef3fa6f1d0f465529f03a9b155762369bef2b55e27e60055b3c54e95234e5dee", kill_on_drop: false }`
[INFO] [stdout] ef3fa6f1d0f465529f03a9b155762369bef2b55e27e60055b3c54e95234e5dee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7ac8ac83525c0a03a7b99cf6ffb04b130ea3fe46f523a4d87f93fa5bc4c53f9a
[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" "7ac8ac83525c0a03a7b99cf6ffb04b130ea3fe46f523a4d87f93fa5bc4c53f9a", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `block`
[INFO] [stderr]   --> src/main.rs:98:9
[INFO] [stderr]    |
[INFO] [stderr] 98 |     let mut block: SoftPrometheusBlock = SoftPrometheusBlock::new();
[INFO] [stderr]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 96 |     let mut blocks = Vec::new();
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:98:9
[INFO] [stderr]    |
[INFO] [stderr] 98 |     let mut block: SoftPrometheusBlock = SoftPrometheusBlock::new();
[INFO] [stderr]    |         ----^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `name`
[INFO] [stderr]   --> src/main.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     name: Option<String>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `description`
[INFO] [stderr]   --> src/main.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     description: Option<String>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `labels`
[INFO] [stderr]   --> src/main.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     labels: Option<HashMap<String, String>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `aggregation`
[INFO] [stderr]   --> src/main.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     aggregation: Option<PrometheusAggregation>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `timestamp`
[INFO] [stderr]   --> src/main.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     timestamp: Option<u32>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `name`
[INFO] [stderr]   --> src/main.rs:52:8
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn name(&mut self, n: &str) -> () {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `description`
[INFO] [stderr]   --> src/main.rs:56:8
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn description(&mut self, d: &str) -> () {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `aggregation`
[INFO] [stderr]   --> src/main.rs:60:8
[INFO] [stderr]    |
[INFO] [stderr] 60 |     fn aggregation(&mut self, aggr: PrometheusAggregation) -> () {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `harden`
[INFO] [stderr]   --> src/main.rs:64:8
[INFO] [stderr]    |
[INFO] [stderr] 64 |     fn harden(self) -> PrometheusBlock {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/prometheus_parsing_test-b7f9d69d298f5cfd
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7ac8ac83525c0a03a7b99cf6ffb04b130ea3fe46f523a4d87f93fa5bc4c53f9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ac8ac83525c0a03a7b99cf6ffb04b130ea3fe46f523a4d87f93fa5bc4c53f9a", kill_on_drop: false }`
[INFO] [stdout] 7ac8ac83525c0a03a7b99cf6ffb04b130ea3fe46f523a4d87f93fa5bc4c53f9a
