Dec 11 21:42:48.765 INFO checking blt/prometheus_parsing_test against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 21:42:48.765 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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"`
Dec 11 21:42:49.137 INFO [stdout] d15a6b4363e91dc42072b7a6f83390c5aab508c467f38667172e7f5663e76cc0
Dec 11 21:42:49.142 INFO running `"docker" "start" "-a" "d15a6b4363e91dc42072b7a6f83390c5aab508c467f38667172e7f5663e76cc0"`
Dec 11 21:42:50.360 INFO [stderr] usermod: no changes
Dec 11 21:42:50.464 INFO [stderr]     Checking prometheus_parsing_test v0.1.0 (/source)
Dec 11 21:42:51.356 INFO [stderr] warning: unused variable: `block`
Dec 11 21:42:51.356 INFO [stderr]   --> src/main.rs:98:13
Dec 11 21:42:51.357 INFO [stderr]    |
Dec 11 21:42:51.357 INFO [stderr] 98 |     let mut block: SoftPrometheusBlock = SoftPrometheusBlock::new();
Dec 11 21:42:51.357 INFO [stderr]    |             ^^^^^ help: consider using `_block` instead
Dec 11 21:42:51.357 INFO [stderr]    |
Dec 11 21:42:51.357 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 21:42:51.357 INFO [stderr] 
Dec 11 21:42:51.500 INFO [stderr] warning: variable does not need to be mutable
Dec 11 21:42:51.501 INFO [stderr]   --> src/main.rs:96:9
Dec 11 21:42:51.501 INFO [stderr]    |
Dec 11 21:42:51.501 INFO [stderr] 96 |     let mut blocks = Vec::new();
Dec 11 21:42:51.502 INFO [stderr]    |         ----^^^^^^
Dec 11 21:42:51.502 INFO [stderr]    |         |
Dec 11 21:42:51.502 INFO [stderr]    |         help: remove this `mut`
Dec 11 21:42:51.502 INFO [stderr]    |
Dec 11 21:42:51.503 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 21:42:51.503 INFO [stderr] 
Dec 11 21:42:51.503 INFO [stderr] warning: variable does not need to be mutable
Dec 11 21:42:51.504 INFO [stderr]   --> src/main.rs:98:9
Dec 11 21:42:51.504 INFO [stderr]    |
Dec 11 21:42:51.504 INFO [stderr] 98 |     let mut block: SoftPrometheusBlock = SoftPrometheusBlock::new();
Dec 11 21:42:51.504 INFO [stderr]    |         ----^^^^^
Dec 11 21:42:51.505 INFO [stderr]    |         |
Dec 11 21:42:51.505 INFO [stderr]    |         help: remove this `mut`
Dec 11 21:42:51.505 INFO [stderr] 
Dec 11 21:42:51.511 INFO [stderr] warning: field is never used: `name`
Dec 11 21:42:51.511 INFO [stderr]   --> src/main.rs:34:5
Dec 11 21:42:51.512 INFO [stderr]    |
Dec 11 21:42:51.512 INFO [stderr] 34 |     name: Option<String>,
Dec 11 21:42:51.512 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 11 21:42:51.513 INFO [stderr]    |
Dec 11 21:42:51.513 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 21:42:51.513 INFO [stderr] 
Dec 11 21:42:51.514 INFO [stderr] warning: field is never used: `description`
Dec 11 21:42:51.514 INFO [stderr]   --> src/main.rs:35:5
Dec 11 21:42:51.514 INFO [stderr]    |
Dec 11 21:42:51.514 INFO [stderr] 35 |     description: Option<String>,
Dec 11 21:42:51.514 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 21:42:51.515 INFO [stderr] 
Dec 11 21:42:51.515 INFO [stderr] warning: field is never used: `labels`
Dec 11 21:42:51.515 INFO [stderr]   --> src/main.rs:36:5
Dec 11 21:42:51.515 INFO [stderr]    |
Dec 11 21:42:51.515 INFO [stderr] 36 |     labels: Option<HashMap<String, String>>,
Dec 11 21:42:51.515 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 21:42:51.515 INFO [stderr] 
Dec 11 21:42:51.515 INFO [stderr] warning: field is never used: `aggregation`
Dec 11 21:42:51.515 INFO [stderr]   --> src/main.rs:37:5
Dec 11 21:42:51.515 INFO [stderr]    |
Dec 11 21:42:51.515 INFO [stderr] 37 |     aggregation: Option<PrometheusAggregation>,
Dec 11 21:42:51.515 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 21:42:51.515 INFO [stderr] 
Dec 11 21:42:51.516 INFO [stderr] warning: field is never used: `timestamp`
Dec 11 21:42:51.516 INFO [stderr]   --> src/main.rs:38:5
Dec 11 21:42:51.516 INFO [stderr]    |
Dec 11 21:42:51.516 INFO [stderr] 38 |     timestamp: Option<u32>,
Dec 11 21:42:51.516 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 11 21:42:51.516 INFO [stderr] 
Dec 11 21:42:51.516 INFO [stderr] warning: method is never used: `name`
Dec 11 21:42:51.516 INFO [stderr]   --> src/main.rs:52:5
Dec 11 21:42:51.516 INFO [stderr]    |
Dec 11 21:42:51.516 INFO [stderr] 52 |     fn name(&mut self, n: &str) -> () {
Dec 11 21:42:51.517 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 21:42:51.517 INFO [stderr] 
Dec 11 21:42:51.517 INFO [stderr] warning: method is never used: `description`
Dec 11 21:42:51.517 INFO [stderr]   --> src/main.rs:56:5
Dec 11 21:42:51.517 INFO [stderr]    |
Dec 11 21:42:51.517 INFO [stderr] 56 |     fn description(&mut self, d: &str) -> () {
Dec 11 21:42:51.517 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 21:42:51.517 INFO [stderr] 
Dec 11 21:42:51.517 INFO [stderr] warning: method is never used: `aggregation`
Dec 11 21:42:51.517 INFO [stderr]   --> src/main.rs:60:5
Dec 11 21:42:51.517 INFO [stderr]    |
Dec 11 21:42:51.518 INFO [stderr] 60 |     fn aggregation(&mut self, aggr: PrometheusAggregation) -> () {
Dec 11 21:42:51.518 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 21:42:51.518 INFO [stderr] 
Dec 11 21:42:51.518 INFO [stderr] warning: method is never used: `harden`
Dec 11 21:42:51.518 INFO [stderr]   --> src/main.rs:64:5
Dec 11 21:42:51.519 INFO [stderr]    |
Dec 11 21:42:51.519 INFO [stderr] 64 |     fn harden(self) -> PrometheusBlock {
Dec 11 21:42:51.519 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 21:42:51.519 INFO [stderr] 
Dec 11 21:42:51.652 INFO [stderr] warning: unused variable: `block`
Dec 11 21:42:51.652 INFO [stderr]   --> src/main.rs:98:13
Dec 11 21:42:51.652 INFO [stderr]    |
Dec 11 21:42:51.653 INFO [stderr] 98 |     let mut block: SoftPrometheusBlock = SoftPrometheusBlock::new();
Dec 11 21:42:51.653 INFO [stderr]    |             ^^^^^ help: consider using `_block` instead
Dec 11 21:42:51.653 INFO [stderr]    |
Dec 11 21:42:51.653 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 21:42:51.653 INFO [stderr] 
Dec 11 21:42:51.852 INFO [stderr] warning: variable does not need to be mutable
Dec 11 21:42:51.852 INFO [stderr]   --> src/main.rs:96:9
Dec 11 21:42:51.852 INFO [stderr]    |
Dec 11 21:42:51.852 INFO [stderr] 96 |     let mut blocks = Vec::new();
Dec 11 21:42:51.852 INFO [stderr]    |         ----^^^^^^
Dec 11 21:42:51.852 INFO [stderr]    |         |
Dec 11 21:42:51.852 INFO [stderr]    |         help: remove this `mut`
Dec 11 21:42:51.852 INFO [stderr]    |
Dec 11 21:42:51.852 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 21:42:51.852 INFO [stderr] 
Dec 11 21:42:51.852 INFO [stderr] warning: variable does not need to be mutable
Dec 11 21:42:51.852 INFO [stderr]   --> src/main.rs:98:9
Dec 11 21:42:51.852 INFO [stderr]    |
Dec 11 21:42:51.852 INFO [stderr] 98 |     let mut block: SoftPrometheusBlock = SoftPrometheusBlock::new();
Dec 11 21:42:51.852 INFO [stderr]    |         ----^^^^^
Dec 11 21:42:51.852 INFO [stderr]    |         |
Dec 11 21:42:51.852 INFO [stderr]    |         help: remove this `mut`
Dec 11 21:42:51.852 INFO [stderr] 
Dec 11 21:42:51.868 INFO [stderr] warning: field is never used: `name`
Dec 11 21:42:51.868 INFO [stderr]   --> src/main.rs:34:5
Dec 11 21:42:51.868 INFO [stderr]    |
Dec 11 21:42:51.868 INFO [stderr] 34 |     name: Option<String>,
Dec 11 21:42:51.868 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 11 21:42:51.868 INFO [stderr]    |
Dec 11 21:42:51.868 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 21:42:51.868 INFO [stderr] 
Dec 11 21:42:51.868 INFO [stderr] warning: field is never used: `description`
Dec 11 21:42:51.868 INFO [stderr]   --> src/main.rs:35:5
Dec 11 21:42:51.868 INFO [stderr]    |
Dec 11 21:42:51.868 INFO [stderr] 35 |     description: Option<String>,
Dec 11 21:42:51.868 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 21:42:51.868 INFO [stderr] 
Dec 11 21:42:51.869 INFO [stderr] warning: field is never used: `labels`
Dec 11 21:42:51.869 INFO [stderr]   --> src/main.rs:36:5
Dec 11 21:42:51.869 INFO [stderr]    |
Dec 11 21:42:51.869 INFO [stderr] 36 |     labels: Option<HashMap<String, String>>,
Dec 11 21:42:51.869 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 21:42:51.869 INFO [stderr] 
Dec 11 21:42:51.869 INFO [stderr] warning: field is never used: `aggregation`
Dec 11 21:42:51.869 INFO [stderr]   --> src/main.rs:37:5
Dec 11 21:42:51.869 INFO [stderr]    |
Dec 11 21:42:51.869 INFO [stderr] 37 |     aggregation: Option<PrometheusAggregation>,
Dec 11 21:42:51.869 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 21:42:51.869 INFO [stderr] 
Dec 11 21:42:51.869 INFO [stderr] warning: field is never used: `timestamp`
Dec 11 21:42:51.869 INFO [stderr]   --> src/main.rs:38:5
Dec 11 21:42:51.869 INFO [stderr]    |
Dec 11 21:42:51.869 INFO [stderr] 38 |     timestamp: Option<u32>,
Dec 11 21:42:51.869 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 11 21:42:51.869 INFO [stderr] 
Dec 11 21:42:51.869 INFO [stderr] warning: method is never used: `name`
Dec 11 21:42:51.869 INFO [stderr]   --> src/main.rs:52:5
Dec 11 21:42:51.869 INFO [stderr]    |
Dec 11 21:42:51.869 INFO [stderr] 52 |     fn name(&mut self, n: &str) -> () {
Dec 11 21:42:51.869 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 21:42:51.869 INFO [stderr] 
Dec 11 21:42:51.869 INFO [stderr] warning: method is never used: `description`
Dec 11 21:42:51.869 INFO [stderr]   --> src/main.rs:56:5
Dec 11 21:42:51.869 INFO [stderr]    |
Dec 11 21:42:51.869 INFO [stderr] 56 |     fn description(&mut self, d: &str) -> () {
Dec 11 21:42:51.869 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 21:42:51.869 INFO [stderr] 
Dec 11 21:42:51.869 INFO [stderr] warning: method is never used: `aggregation`
Dec 11 21:42:51.869 INFO [stderr]   --> src/main.rs:60:5
Dec 11 21:42:51.869 INFO [stderr]    |
Dec 11 21:42:51.869 INFO [stderr] 60 |     fn aggregation(&mut self, aggr: PrometheusAggregation) -> () {
Dec 11 21:42:51.869 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 21:42:51.869 INFO [stderr] 
Dec 11 21:42:51.869 INFO [stderr] warning: method is never used: `harden`
Dec 11 21:42:51.869 INFO [stderr]   --> src/main.rs:64:5
Dec 11 21:42:51.869 INFO [stderr]    |
Dec 11 21:42:51.869 INFO [stderr] 64 |     fn harden(self) -> PrometheusBlock {
Dec 11 21:42:51.869 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 21:42:51.869 INFO [stderr] 
Dec 11 21:42:51.894 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.50s
Dec 11 21:42:51.898 INFO [stderr] su: No module specific data is present
Dec 11 21:42:53.003 INFO running `"docker" "inspect" "d15a6b4363e91dc42072b7a6f83390c5aab508c467f38667172e7f5663e76cc0"`
Dec 11 21:42:53.290 INFO running `"docker" "rm" "-f" "d15a6b4363e91dc42072b7a6f83390c5aab508c467f38667172e7f5663e76cc0"`
Dec 11 21:42:53.672 INFO [stdout] d15a6b4363e91dc42072b7a6f83390c5aab508c467f38667172e7f5663e76cc0