Nov 28 08:35:32.406 INFO checking blt/prometheus_parsing_test against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 08:35:32.408 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-6/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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 28 08:35:32.780 INFO [stdout] a313f99a4a391573d4a6a5019e6d9fc6f2282d2d48d622d0adc8147d2cfa0ce4
Nov 28 08:35:32.783 INFO running `"docker" "start" "-a" "a313f99a4a391573d4a6a5019e6d9fc6f2282d2d48d622d0adc8147d2cfa0ce4"`
Nov 28 08:35:34.365 INFO [stderr] usermod: no changes
Nov 28 08:35:34.420 INFO [stderr]     Checking prometheus_parsing_test v0.1.0 (/source)
Nov 28 08:35:35.214 INFO [stderr] warning: unused variable: `block`
Nov 28 08:35:35.214 INFO [stderr]   --> src/main.rs:98:13
Nov 28 08:35:35.214 INFO [stderr]    |
Nov 28 08:35:35.214 INFO [stderr] 98 |     let mut block: SoftPrometheusBlock = SoftPrometheusBlock::new();
Nov 28 08:35:35.214 INFO [stderr]    |             ^^^^^ help: consider using `_block` instead
Nov 28 08:35:35.214 INFO [stderr]    |
Nov 28 08:35:35.214 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 08:35:35.214 INFO [stderr] 
Nov 28 08:35:35.364 INFO [stderr] warning: variable does not need to be mutable
Nov 28 08:35:35.364 INFO [stderr]   --> src/main.rs:96:9
Nov 28 08:35:35.364 INFO [stderr]    |
Nov 28 08:35:35.364 INFO [stderr] 96 |     let mut blocks = Vec::new();
Nov 28 08:35:35.364 INFO [stderr]    |         ----^^^^^^
Nov 28 08:35:35.364 INFO [stderr]    |         |
Nov 28 08:35:35.364 INFO [stderr]    |         help: remove this `mut`
Nov 28 08:35:35.364 INFO [stderr]    |
Nov 28 08:35:35.364 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 08:35:35.364 INFO [stderr] 
Nov 28 08:35:35.364 INFO [stderr] warning: variable does not need to be mutable
Nov 28 08:35:35.364 INFO [stderr]   --> src/main.rs:98:9
Nov 28 08:35:35.364 INFO [stderr]    |
Nov 28 08:35:35.364 INFO [stderr] 98 |     let mut block: SoftPrometheusBlock = SoftPrometheusBlock::new();
Nov 28 08:35:35.364 INFO [stderr]    |         ----^^^^^
Nov 28 08:35:35.364 INFO [stderr]    |         |
Nov 28 08:35:35.364 INFO [stderr]    |         help: remove this `mut`
Nov 28 08:35:35.364 INFO [stderr] 
Nov 28 08:35:35.371 INFO [stderr] warning: field is never used: `name`
Nov 28 08:35:35.371 INFO [stderr]   --> src/main.rs:34:5
Nov 28 08:35:35.371 INFO [stderr]    |
Nov 28 08:35:35.371 INFO [stderr] 34 |     name: Option<String>,
Nov 28 08:35:35.371 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Nov 28 08:35:35.371 INFO [stderr]    |
Nov 28 08:35:35.371 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 08:35:35.372 INFO [stderr] 
Nov 28 08:35:35.372 INFO [stderr] warning: field is never used: `description`
Nov 28 08:35:35.372 INFO [stderr]   --> src/main.rs:35:5
Nov 28 08:35:35.372 INFO [stderr]    |
Nov 28 08:35:35.372 INFO [stderr] 35 |     description: Option<String>,
Nov 28 08:35:35.372 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:35:35.372 INFO [stderr] 
Nov 28 08:35:35.372 INFO [stderr] warning: field is never used: `labels`
Nov 28 08:35:35.372 INFO [stderr]   --> src/main.rs:36:5
Nov 28 08:35:35.372 INFO [stderr]    |
Nov 28 08:35:35.372 INFO [stderr] 36 |     labels: Option<HashMap<String, String>>,
Nov 28 08:35:35.372 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:35:35.372 INFO [stderr] 
Nov 28 08:35:35.372 INFO [stderr] warning: field is never used: `aggregation`
Nov 28 08:35:35.372 INFO [stderr]   --> src/main.rs:37:5
Nov 28 08:35:35.372 INFO [stderr]    |
Nov 28 08:35:35.372 INFO [stderr] 37 |     aggregation: Option<PrometheusAggregation>,
Nov 28 08:35:35.372 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:35:35.372 INFO [stderr] 
Nov 28 08:35:35.372 INFO [stderr] warning: field is never used: `timestamp`
Nov 28 08:35:35.372 INFO [stderr]   --> src/main.rs:38:5
Nov 28 08:35:35.372 INFO [stderr]    |
Nov 28 08:35:35.372 INFO [stderr] 38 |     timestamp: Option<u32>,
Nov 28 08:35:35.372 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:35:35.372 INFO [stderr] 
Nov 28 08:35:35.372 INFO [stderr] warning: method is never used: `name`
Nov 28 08:35:35.372 INFO [stderr]   --> src/main.rs:52:5
Nov 28 08:35:35.372 INFO [stderr]    |
Nov 28 08:35:35.372 INFO [stderr] 52 |     fn name(&mut self, n: &str) -> () {
Nov 28 08:35:35.372 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:35:35.372 INFO [stderr] 
Nov 28 08:35:35.372 INFO [stderr] warning: method is never used: `description`
Nov 28 08:35:35.372 INFO [stderr]   --> src/main.rs:56:5
Nov 28 08:35:35.372 INFO [stderr]    |
Nov 28 08:35:35.372 INFO [stderr] 56 |     fn description(&mut self, d: &str) -> () {
Nov 28 08:35:35.372 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:35:35.372 INFO [stderr] 
Nov 28 08:35:35.372 INFO [stderr] warning: method is never used: `aggregation`
Nov 28 08:35:35.372 INFO [stderr]   --> src/main.rs:60:5
Nov 28 08:35:35.372 INFO [stderr]    |
Nov 28 08:35:35.372 INFO [stderr] 60 |     fn aggregation(&mut self, aggr: PrometheusAggregation) -> () {
Nov 28 08:35:35.372 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:35:35.372 INFO [stderr] 
Nov 28 08:35:35.372 INFO [stderr] warning: method is never used: `harden`
Nov 28 08:35:35.372 INFO [stderr]   --> src/main.rs:64:5
Nov 28 08:35:35.372 INFO [stderr]    |
Nov 28 08:35:35.372 INFO [stderr] 64 |     fn harden(self) -> PrometheusBlock {
Nov 28 08:35:35.372 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:35:35.372 INFO [stderr] 
Nov 28 08:35:35.441 INFO [stderr] warning: unused variable: `block`
Nov 28 08:35:35.441 INFO [stderr]   --> src/main.rs:98:13
Nov 28 08:35:35.441 INFO [stderr]    |
Nov 28 08:35:35.441 INFO [stderr] 98 |     let mut block: SoftPrometheusBlock = SoftPrometheusBlock::new();
Nov 28 08:35:35.441 INFO [stderr]    |             ^^^^^ help: consider using `_block` instead
Nov 28 08:35:35.460 INFO [stderr]    |
Nov 28 08:35:35.460 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 08:35:35.460 INFO [stderr] 
Nov 28 08:35:35.592 INFO [stderr] warning: variable does not need to be mutable
Nov 28 08:35:35.592 INFO [stderr]   --> src/main.rs:96:9
Nov 28 08:35:35.592 INFO [stderr]    |
Nov 28 08:35:35.592 INFO [stderr] 96 |     let mut blocks = Vec::new();
Nov 28 08:35:35.592 INFO [stderr]    |         ----^^^^^^
Nov 28 08:35:35.592 INFO [stderr]    |         |
Nov 28 08:35:35.592 INFO [stderr]    |         help: remove this `mut`
Nov 28 08:35:35.592 INFO [stderr]    |
Nov 28 08:35:35.592 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 08:35:35.592 INFO [stderr] 
Nov 28 08:35:35.592 INFO [stderr] warning: variable does not need to be mutable
Nov 28 08:35:35.592 INFO [stderr]   --> src/main.rs:98:9
Nov 28 08:35:35.592 INFO [stderr]    |
Nov 28 08:35:35.592 INFO [stderr] 98 |     let mut block: SoftPrometheusBlock = SoftPrometheusBlock::new();
Nov 28 08:35:35.592 INFO [stderr]    |         ----^^^^^
Nov 28 08:35:35.592 INFO [stderr]    |         |
Nov 28 08:35:35.592 INFO [stderr]    |         help: remove this `mut`
Nov 28 08:35:35.592 INFO [stderr] 
Nov 28 08:35:35.593 INFO [stderr] warning: field is never used: `name`
Nov 28 08:35:35.593 INFO [stderr]   --> src/main.rs:34:5
Nov 28 08:35:35.593 INFO [stderr]    |
Nov 28 08:35:35.593 INFO [stderr] 34 |     name: Option<String>,
Nov 28 08:35:35.593 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Nov 28 08:35:35.593 INFO [stderr]    |
Nov 28 08:35:35.593 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 08:35:35.593 INFO [stderr] 
Nov 28 08:35:35.593 INFO [stderr] warning: field is never used: `description`
Nov 28 08:35:35.593 INFO [stderr]   --> src/main.rs:35:5
Nov 28 08:35:35.594 INFO [stderr]    |
Nov 28 08:35:35.594 INFO [stderr] 35 |     description: Option<String>,
Nov 28 08:35:35.594 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:35:35.596 INFO [stderr] 
Nov 28 08:35:35.597 INFO [stderr] warning: field is never used: `labels`
Nov 28 08:35:35.597 INFO [stderr]   --> src/main.rs:36:5
Nov 28 08:35:35.597 INFO [stderr]    |
Nov 28 08:35:35.597 INFO [stderr] 36 |     labels: Option<HashMap<String, String>>,
Nov 28 08:35:35.597 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:35:35.597 INFO [stderr] 
Nov 28 08:35:35.597 INFO [stderr] warning: field is never used: `aggregation`
Nov 28 08:35:35.597 INFO [stderr]   --> src/main.rs:37:5
Nov 28 08:35:35.597 INFO [stderr]    |
Nov 28 08:35:35.597 INFO [stderr] 37 |     aggregation: Option<PrometheusAggregation>,
Nov 28 08:35:35.597 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:35:35.597 INFO [stderr] 
Nov 28 08:35:35.597 INFO [stderr] warning: field is never used: `timestamp`
Nov 28 08:35:35.597 INFO [stderr]   --> src/main.rs:38:5
Nov 28 08:35:35.597 INFO [stderr]    |
Nov 28 08:35:35.597 INFO [stderr] 38 |     timestamp: Option<u32>,
Nov 28 08:35:35.597 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:35:35.597 INFO [stderr] 
Nov 28 08:35:35.597 INFO [stderr] warning: method is never used: `name`
Nov 28 08:35:35.597 INFO [stderr]   --> src/main.rs:52:5
Nov 28 08:35:35.597 INFO [stderr]    |
Nov 28 08:35:35.597 INFO [stderr] 52 |     fn name(&mut self, n: &str) -> () {
Nov 28 08:35:35.597 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:35:35.597 INFO [stderr] 
Nov 28 08:35:35.597 INFO [stderr] warning: method is never used: `description`
Nov 28 08:35:35.597 INFO [stderr]   --> src/main.rs:56:5
Nov 28 08:35:35.597 INFO [stderr]    |
Nov 28 08:35:35.597 INFO [stderr] 56 |     fn description(&mut self, d: &str) -> () {
Nov 28 08:35:35.597 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:35:35.597 INFO [stderr] 
Nov 28 08:35:35.597 INFO [stderr] warning: method is never used: `aggregation`
Nov 28 08:35:35.597 INFO [stderr]   --> src/main.rs:60:5
Nov 28 08:35:35.597 INFO [stderr]    |
Nov 28 08:35:35.597 INFO [stderr] 60 |     fn aggregation(&mut self, aggr: PrometheusAggregation) -> () {
Nov 28 08:35:35.597 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:35:35.597 INFO [stderr] 
Nov 28 08:35:35.597 INFO [stderr] warning: method is never used: `harden`
Nov 28 08:35:35.597 INFO [stderr]   --> src/main.rs:64:5
Nov 28 08:35:35.597 INFO [stderr]    |
Nov 28 08:35:35.597 INFO [stderr] 64 |     fn harden(self) -> PrometheusBlock {
Nov 28 08:35:35.597 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:35:35.597 INFO [stderr] 
Nov 28 08:35:35.648 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
Nov 28 08:35:35.651 INFO [stderr] su: No module specific data is present
Nov 28 08:35:36.387 INFO running `"docker" "inspect" "a313f99a4a391573d4a6a5019e6d9fc6f2282d2d48d622d0adc8147d2cfa0ce4"`
Nov 28 08:35:36.674 INFO running `"docker" "rm" "-f" "a313f99a4a391573d4a6a5019e6d9fc6f2282d2d48d622d0adc8147d2cfa0ce4"`
Nov 28 08:35:37.103 INFO [stdout] a313f99a4a391573d4a6a5019e6d9fc6f2282d2d48d622d0adc8147d2cfa0ce4