Nov 30 06:08:09.187 INFO checking blt/prometheus_parsing_test against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 06:08:09.188 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-7/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +32252761328f59ccfadb1bafb8148c685bc830b3-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 30 06:08:09.627 INFO [stdout] aa3c153c98701abec42c6c79f94bd8ea217fddf40d5884070bfe978286b7ac4b
Nov 30 06:08:09.630 INFO running `"docker" "start" "-a" "aa3c153c98701abec42c6c79f94bd8ea217fddf40d5884070bfe978286b7ac4b"`
Nov 30 06:08:11.052 INFO [stderr] usermod: no changes
Nov 30 06:08:11.160 INFO [stderr]     Checking prometheus_parsing_test v0.1.0 (/source)
Nov 30 06:08:12.108 INFO [stderr] warning: unused variable: `block`
Nov 30 06:08:12.109 INFO [stderr]   --> src/main.rs:98:13
Nov 30 06:08:12.109 INFO [stderr]    |
Nov 30 06:08:12.109 INFO [stderr] 98 |     let mut block: SoftPrometheusBlock = SoftPrometheusBlock::new();
Nov 30 06:08:12.109 INFO [stderr]    |             ^^^^^ help: consider using `_block` instead
Nov 30 06:08:12.110 INFO [stderr]    |
Nov 30 06:08:12.110 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 06:08:12.110 INFO [stderr] 
Nov 30 06:08:12.395 INFO [stderr] warning: variable does not need to be mutable
Nov 30 06:08:12.395 INFO [stderr]   --> src/main.rs:96:9
Nov 30 06:08:12.395 INFO [stderr]    |
Nov 30 06:08:12.395 INFO [stderr] 96 |     let mut blocks = Vec::new();
Nov 30 06:08:12.395 INFO [stderr]    |         ----^^^^^^
Nov 30 06:08:12.396 INFO [stderr]    |         |
Nov 30 06:08:12.396 INFO [stderr]    |         help: remove this `mut`
Nov 30 06:08:12.396 INFO [stderr] warning: unused variable: `block`
Nov 30 06:08:12.396 INFO [stderr]   --> src/main.rs:98:13
Nov 30 06:08:12.396 INFO [stderr]    |
Nov 30 06:08:12.396 INFO [stderr] 98 |     let mut block: SoftPrometheusBlock = SoftPrometheusBlock::new();
Nov 30 06:08:12.396 INFO [stderr]    |             ^^^^^ help: consider using `_block` instead
Nov 30 06:08:12.397 INFO [stderr]    |
Nov 30 06:08:12.397 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 06:08:12.397 INFO [stderr] 
Nov 30 06:08:12.412 INFO [stderr]    |
Nov 30 06:08:12.413 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 06:08:12.413 INFO [stderr] 
Nov 30 06:08:12.413 INFO [stderr] warning: variable does not need to be mutable
Nov 30 06:08:12.413 INFO [stderr]   --> src/main.rs:98:9
Nov 30 06:08:12.414 INFO [stderr]    |
Nov 30 06:08:12.414 INFO [stderr] 98 |     let mut block: SoftPrometheusBlock = SoftPrometheusBlock::new();
Nov 30 06:08:12.414 INFO [stderr]    |         ----^^^^^
Nov 30 06:08:12.414 INFO [stderr]    |         |
Nov 30 06:08:12.415 INFO [stderr]    |         help: remove this `mut`
Nov 30 06:08:12.415 INFO [stderr] 
Nov 30 06:08:12.421 INFO [stderr] warning: field is never used: `name`
Nov 30 06:08:12.421 INFO [stderr]   --> src/main.rs:34:5
Nov 30 06:08:12.421 INFO [stderr]    |
Nov 30 06:08:12.421 INFO [stderr] 34 |     name: Option<String>,
Nov 30 06:08:12.422 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Nov 30 06:08:12.422 INFO [stderr]    |
Nov 30 06:08:12.422 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 06:08:12.422 INFO [stderr] 
Nov 30 06:08:12.423 INFO [stderr] warning: field is never used: `description`
Nov 30 06:08:12.423 INFO [stderr]   --> src/main.rs:35:5
Nov 30 06:08:12.423 INFO [stderr]    |
Nov 30 06:08:12.423 INFO [stderr] 35 |     description: Option<String>,
Nov 30 06:08:12.424 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 06:08:12.424 INFO [stderr] 
Nov 30 06:08:12.424 INFO [stderr] warning: field is never used: `labels`
Nov 30 06:08:12.424 INFO [stderr]   --> src/main.rs:36:5
Nov 30 06:08:12.425 INFO [stderr]    |
Nov 30 06:08:12.425 INFO [stderr] 36 |     labels: Option<HashMap<String, String>>,
Nov 30 06:08:12.425 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 06:08:12.425 INFO [stderr] 
Nov 30 06:08:12.426 INFO [stderr] warning: field is never used: `aggregation`
Nov 30 06:08:12.426 INFO [stderr]   --> src/main.rs:37:5
Nov 30 06:08:12.426 INFO [stderr]    |
Nov 30 06:08:12.426 INFO [stderr] 37 |     aggregation: Option<PrometheusAggregation>,
Nov 30 06:08:12.426 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 06:08:12.427 INFO [stderr] 
Nov 30 06:08:12.427 INFO [stderr] warning: field is never used: `timestamp`
Nov 30 06:08:12.427 INFO [stderr]   --> src/main.rs:38:5
Nov 30 06:08:12.427 INFO [stderr]    |
Nov 30 06:08:12.428 INFO [stderr] 38 |     timestamp: Option<u32>,
Nov 30 06:08:12.428 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Nov 30 06:08:12.428 INFO [stderr] 
Nov 30 06:08:12.428 INFO [stderr] warning: method is never used: `name`
Nov 30 06:08:12.429 INFO [stderr]   --> src/main.rs:52:5
Nov 30 06:08:12.429 INFO [stderr]    |
Nov 30 06:08:12.429 INFO [stderr] 52 |     fn name(&mut self, n: &str) -> () {
Nov 30 06:08:12.429 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 06:08:12.429 INFO [stderr] 
Nov 30 06:08:12.430 INFO [stderr] warning: method is never used: `description`
Nov 30 06:08:12.430 INFO [stderr]   --> src/main.rs:56:5
Nov 30 06:08:12.430 INFO [stderr]    |
Nov 30 06:08:12.431 INFO [stderr] 56 |     fn description(&mut self, d: &str) -> () {
Nov 30 06:08:12.431 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 06:08:12.431 INFO [stderr] 
Nov 30 06:08:12.431 INFO [stderr] warning: method is never used: `aggregation`
Nov 30 06:08:12.432 INFO [stderr]   --> src/main.rs:60:5
Nov 30 06:08:12.432 INFO [stderr]    |
Nov 30 06:08:12.432 INFO [stderr] 60 |     fn aggregation(&mut self, aggr: PrometheusAggregation) -> () {
Nov 30 06:08:12.432 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 06:08:12.433 INFO [stderr] 
Nov 30 06:08:12.433 INFO [stderr] warning: method is never used: `harden`
Nov 30 06:08:12.433 INFO [stderr]   --> src/main.rs:64:5
Nov 30 06:08:12.433 INFO [stderr]    |
Nov 30 06:08:12.434 INFO [stderr] 64 |     fn harden(self) -> PrometheusBlock {
Nov 30 06:08:12.434 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 06:08:12.434 INFO [stderr] 
Nov 30 06:08:12.605 INFO [stderr] warning: variable does not need to be mutable
Nov 30 06:08:12.605 INFO [stderr]   --> src/main.rs:96:9
Nov 30 06:08:12.605 INFO [stderr]    |
Nov 30 06:08:12.606 INFO [stderr] 96 |     let mut blocks = Vec::new();
Nov 30 06:08:12.606 INFO [stderr]    |         ----^^^^^^
Nov 30 06:08:12.606 INFO [stderr]    |         |
Nov 30 06:08:12.606 INFO [stderr]    |         help: remove this `mut`
Nov 30 06:08:12.606 INFO [stderr]    |
Nov 30 06:08:12.607 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 06:08:12.607 INFO [stderr] 
Nov 30 06:08:12.607 INFO [stderr] warning: variable does not need to be mutable
Nov 30 06:08:12.608 INFO [stderr]   --> src/main.rs:98:9
Nov 30 06:08:12.608 INFO [stderr]    |
Nov 30 06:08:12.608 INFO [stderr] 98 |     let mut block: SoftPrometheusBlock = SoftPrometheusBlock::new();
Nov 30 06:08:12.608 INFO [stderr]    |         ----^^^^^
Nov 30 06:08:12.609 INFO [stderr]    |         |
Nov 30 06:08:12.609 INFO [stderr]    |         help: remove this `mut`
Nov 30 06:08:12.609 INFO [stderr] 
Nov 30 06:08:12.614 INFO [stderr] warning: field is never used: `name`
Nov 30 06:08:12.614 INFO [stderr]   --> src/main.rs:34:5
Nov 30 06:08:12.615 INFO [stderr]    |
Nov 30 06:08:12.615 INFO [stderr] 34 |     name: Option<String>,
Nov 30 06:08:12.615 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Nov 30 06:08:12.615 INFO [stderr]    |
Nov 30 06:08:12.616 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 06:08:12.616 INFO [stderr] 
Nov 30 06:08:12.616 INFO [stderr] warning: field is never used: `description`
Nov 30 06:08:12.616 INFO [stderr]   --> src/main.rs:35:5
Nov 30 06:08:12.617 INFO [stderr]    |
Nov 30 06:08:12.617 INFO [stderr] 35 |     description: Option<String>,
Nov 30 06:08:12.617 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 06:08:12.617 INFO [stderr] 
Nov 30 06:08:12.618 INFO [stderr] warning: field is never used: `labels`
Nov 30 06:08:12.618 INFO [stderr]   --> src/main.rs:36:5
Nov 30 06:08:12.618 INFO [stderr]    |
Nov 30 06:08:12.619 INFO [stderr] 36 |     labels: Option<HashMap<String, String>>,
Nov 30 06:08:12.619 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 06:08:12.619 INFO [stderr] 
Nov 30 06:08:12.620 INFO [stderr] warning: field is never used: `aggregation`
Nov 30 06:08:12.620 INFO [stderr]   --> src/main.rs:37:5
Nov 30 06:08:12.620 INFO [stderr]    |
Nov 30 06:08:12.620 INFO [stderr] 37 |     aggregation: Option<PrometheusAggregation>,
Nov 30 06:08:12.621 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 06:08:12.621 INFO [stderr] 
Nov 30 06:08:12.621 INFO [stderr] warning: field is never used: `timestamp`
Nov 30 06:08:12.621 INFO [stderr]   --> src/main.rs:38:5
Nov 30 06:08:12.622 INFO [stderr]    |
Nov 30 06:08:12.622 INFO [stderr] 38 |     timestamp: Option<u32>,
Nov 30 06:08:12.622 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Nov 30 06:08:12.622 INFO [stderr] 
Nov 30 06:08:12.623 INFO [stderr] warning: method is never used: `name`
Nov 30 06:08:12.623 INFO [stderr]   --> src/main.rs:52:5
Nov 30 06:08:12.623 INFO [stderr]    |
Nov 30 06:08:12.624 INFO [stderr] 52 |     fn name(&mut self, n: &str) -> () {
Nov 30 06:08:12.624 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 06:08:12.624 INFO [stderr] 
Nov 30 06:08:12.624 INFO [stderr] warning: method is never used: `description`
Nov 30 06:08:12.625 INFO [stderr]   --> src/main.rs:56:5
Nov 30 06:08:12.625 INFO [stderr]    |
Nov 30 06:08:12.625 INFO [stderr] 56 |     fn description(&mut self, d: &str) -> () {
Nov 30 06:08:12.625 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 06:08:12.626 INFO [stderr] 
Nov 30 06:08:12.626 INFO [stderr] warning: method is never used: `aggregation`
Nov 30 06:08:12.626 INFO [stderr]   --> src/main.rs:60:5
Nov 30 06:08:12.627 INFO [stderr]    |
Nov 30 06:08:12.627 INFO [stderr] 60 |     fn aggregation(&mut self, aggr: PrometheusAggregation) -> () {
Nov 30 06:08:12.627 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 06:08:12.627 INFO [stderr] 
Nov 30 06:08:12.628 INFO [stderr] warning: method is never used: `harden`
Nov 30 06:08:12.628 INFO [stderr]   --> src/main.rs:64:5
Nov 30 06:08:12.628 INFO [stderr]    |
Nov 30 06:08:12.628 INFO [stderr] 64 |     fn harden(self) -> PrometheusBlock {
Nov 30 06:08:12.629 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 06:08:12.629 INFO [stderr] 
Nov 30 06:08:12.674 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.60s
Nov 30 06:08:12.681 INFO [stderr] su: No module specific data is present
Nov 30 06:08:13.756 INFO running `"docker" "inspect" "aa3c153c98701abec42c6c79f94bd8ea217fddf40d5884070bfe978286b7ac4b"`
Nov 30 06:08:14.014 INFO running `"docker" "rm" "-f" "aa3c153c98701abec42c6c79f94bd8ea217fddf40d5884070bfe978286b7ac4b"`
Nov 30 06:08:14.270 INFO [stdout] aa3c153c98701abec42c6c79f94bd8ea217fddf40d5884070bfe978286b7ac4b