Nov 28 08:35:31.875 INFO checking blt/prometheus_parsing_test against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 08:35:31.876 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-0/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 08:35:32.250 INFO [stdout] df994605fca88ac59ec3cdcb5f30b6caedf96d28da1ee1a9793c57b3b2e4a778
Nov 28 08:35:32.256 INFO running `"docker" "start" "-a" "df994605fca88ac59ec3cdcb5f30b6caedf96d28da1ee1a9793c57b3b2e4a778"`
Nov 28 08:35:33.504 INFO [stderr] usermod: no changes
Nov 28 08:35:33.600 INFO [stderr]     Checking prometheus_parsing_test v0.1.0 (/source)
Nov 28 08:35:34.536 INFO [stderr] warning: unused variable: `block`
Nov 28 08:35:34.536 INFO [stderr]   --> src/main.rs:98:13
Nov 28 08:35:34.536 INFO [stderr]    |
Nov 28 08:35:34.536 INFO [stderr] 98 |     let mut block: SoftPrometheusBlock = SoftPrometheusBlock::new();
Nov 28 08:35:34.536 INFO [stderr]    |             ^^^^^ help: consider using `_block` instead
Nov 28 08:35:34.536 INFO [stderr]    |
Nov 28 08:35:34.536 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 08:35:34.536 INFO [stderr] 
Nov 28 08:35:34.684 INFO [stderr] warning: unused variable: `block`
Nov 28 08:35:34.684 INFO [stderr]   --> src/main.rs:98:13
Nov 28 08:35:34.684 INFO [stderr]    |
Nov 28 08:35:34.684 INFO [stderr] 98 |     let mut block: SoftPrometheusBlock = SoftPrometheusBlock::new();
Nov 28 08:35:34.684 INFO [stderr]    |             ^^^^^ help: consider using `_block` instead
Nov 28 08:35:34.684 INFO [stderr]    |
Nov 28 08:35:34.684 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 08:35:34.684 INFO [stderr] 
Nov 28 08:35:34.728 INFO [stderr] warning: variable does not need to be mutable
Nov 28 08:35:34.728 INFO [stderr]   --> src/main.rs:96:9
Nov 28 08:35:34.728 INFO [stderr]    |
Nov 28 08:35:34.728 INFO [stderr] 96 |     let mut blocks = Vec::new();
Nov 28 08:35:34.728 INFO [stderr]    |         ----^^^^^^
Nov 28 08:35:34.728 INFO [stderr]    |         |
Nov 28 08:35:34.728 INFO [stderr]    |         help: remove this `mut`
Nov 28 08:35:34.728 INFO [stderr]    |
Nov 28 08:35:34.728 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 08:35:34.728 INFO [stderr] 
Nov 28 08:35:34.728 INFO [stderr] warning: variable does not need to be mutable
Nov 28 08:35:34.728 INFO [stderr]   --> src/main.rs:98:9
Nov 28 08:35:34.728 INFO [stderr]    |
Nov 28 08:35:34.728 INFO [stderr] 98 |     let mut block: SoftPrometheusBlock = SoftPrometheusBlock::new();
Nov 28 08:35:34.728 INFO [stderr]    |         ----^^^^^
Nov 28 08:35:34.728 INFO [stderr]    |         |
Nov 28 08:35:34.728 INFO [stderr]    |         help: remove this `mut`
Nov 28 08:35:34.728 INFO [stderr] 
Nov 28 08:35:34.740 INFO [stderr] warning: field is never used: `name`
Nov 28 08:35:34.740 INFO [stderr]   --> src/main.rs:34:5
Nov 28 08:35:34.740 INFO [stderr]    |
Nov 28 08:35:34.740 INFO [stderr] 34 |     name: Option<String>,
Nov 28 08:35:34.740 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Nov 28 08:35:34.740 INFO [stderr]    |
Nov 28 08:35:34.740 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 08:35:34.740 INFO [stderr] 
Nov 28 08:35:34.740 INFO [stderr] warning: field is never used: `description`
Nov 28 08:35:34.740 INFO [stderr]   --> src/main.rs:35:5
Nov 28 08:35:34.740 INFO [stderr]    |
Nov 28 08:35:34.741 INFO [stderr] 35 |     description: Option<String>,
Nov 28 08:35:34.741 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:35:34.741 INFO [stderr] 
Nov 28 08:35:34.741 INFO [stderr] warning: field is never used: `labels`
Nov 28 08:35:34.741 INFO [stderr]   --> src/main.rs:36:5
Nov 28 08:35:34.741 INFO [stderr]    |
Nov 28 08:35:34.741 INFO [stderr] 36 |     labels: Option<HashMap<String, String>>,
Nov 28 08:35:34.741 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:35:34.741 INFO [stderr] 
Nov 28 08:35:34.741 INFO [stderr] warning: field is never used: `aggregation`
Nov 28 08:35:34.741 INFO [stderr]   --> src/main.rs:37:5
Nov 28 08:35:34.741 INFO [stderr]    |
Nov 28 08:35:34.741 INFO [stderr] 37 |     aggregation: Option<PrometheusAggregation>,
Nov 28 08:35:34.741 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:35:34.741 INFO [stderr] 
Nov 28 08:35:34.741 INFO [stderr] warning: field is never used: `timestamp`
Nov 28 08:35:34.741 INFO [stderr]   --> src/main.rs:38:5
Nov 28 08:35:34.741 INFO [stderr]    |
Nov 28 08:35:34.741 INFO [stderr] 38 |     timestamp: Option<u32>,
Nov 28 08:35:34.741 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:35:34.741 INFO [stderr] 
Nov 28 08:35:34.741 INFO [stderr] warning: method is never used: `name`
Nov 28 08:35:34.741 INFO [stderr]   --> src/main.rs:52:5
Nov 28 08:35:34.741 INFO [stderr]    |
Nov 28 08:35:34.741 INFO [stderr] 52 |     fn name(&mut self, n: &str) -> () {
Nov 28 08:35:34.741 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:35:34.741 INFO [stderr] 
Nov 28 08:35:34.741 INFO [stderr] warning: method is never used: `description`
Nov 28 08:35:34.741 INFO [stderr]   --> src/main.rs:56:5
Nov 28 08:35:34.741 INFO [stderr]    |
Nov 28 08:35:34.741 INFO [stderr] 56 |     fn description(&mut self, d: &str) -> () {
Nov 28 08:35:34.741 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:35:34.741 INFO [stderr] 
Nov 28 08:35:34.741 INFO [stderr] warning: method is never used: `aggregation`
Nov 28 08:35:34.741 INFO [stderr]   --> src/main.rs:60:5
Nov 28 08:35:34.741 INFO [stderr]    |
Nov 28 08:35:34.741 INFO [stderr] 60 |     fn aggregation(&mut self, aggr: PrometheusAggregation) -> () {
Nov 28 08:35:34.741 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:35:34.741 INFO [stderr] 
Nov 28 08:35:34.741 INFO [stderr] warning: method is never used: `harden`
Nov 28 08:35:34.741 INFO [stderr]   --> src/main.rs:64:5
Nov 28 08:35:34.741 INFO [stderr]    |
Nov 28 08:35:34.741 INFO [stderr] 64 |     fn harden(self) -> PrometheusBlock {
Nov 28 08:35:34.741 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:35:34.741 INFO [stderr] 
Nov 28 08:35:35.022 INFO [stderr] warning: variable does not need to be mutable
Nov 28 08:35:35.022 INFO [stderr]   --> src/main.rs:96:9
Nov 28 08:35:35.022 INFO [stderr]    |
Nov 28 08:35:35.022 INFO [stderr] 96 |     let mut blocks = Vec::new();
Nov 28 08:35:35.022 INFO [stderr]    |         ----^^^^^^
Nov 28 08:35:35.022 INFO [stderr]    |         |
Nov 28 08:35:35.022 INFO [stderr]    |         help: remove this `mut`
Nov 28 08:35:35.022 INFO [stderr]    |
Nov 28 08:35:35.022 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 08:35:35.022 INFO [stderr] 
Nov 28 08:35:35.022 INFO [stderr] warning: variable does not need to be mutable
Nov 28 08:35:35.022 INFO [stderr]   --> src/main.rs:98:9
Nov 28 08:35:35.022 INFO [stderr]    |
Nov 28 08:35:35.022 INFO [stderr] 98 |     let mut block: SoftPrometheusBlock = SoftPrometheusBlock::new();
Nov 28 08:35:35.022 INFO [stderr]    |         ----^^^^^
Nov 28 08:35:35.022 INFO [stderr]    |         |
Nov 28 08:35:35.022 INFO [stderr]    |         help: remove this `mut`
Nov 28 08:35:35.022 INFO [stderr] 
Nov 28 08:35:35.030 INFO [stderr] warning: field is never used: `name`
Nov 28 08:35:35.030 INFO [stderr]   --> src/main.rs:34:5
Nov 28 08:35:35.030 INFO [stderr]    |
Nov 28 08:35:35.030 INFO [stderr] 34 |     name: Option<String>,
Nov 28 08:35:35.030 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Nov 28 08:35:35.030 INFO [stderr]    |
Nov 28 08:35:35.030 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 08:35:35.030 INFO [stderr] 
Nov 28 08:35:35.030 INFO [stderr] warning: field is never used: `description`
Nov 28 08:35:35.030 INFO [stderr]   --> src/main.rs:35:5
Nov 28 08:35:35.030 INFO [stderr]    |
Nov 28 08:35:35.030 INFO [stderr] 35 |     description: Option<String>,
Nov 28 08:35:35.030 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:35:35.030 INFO [stderr] 
Nov 28 08:35:35.030 INFO [stderr] warning: field is never used: `labels`
Nov 28 08:35:35.030 INFO [stderr]   --> src/main.rs:36:5
Nov 28 08:35:35.030 INFO [stderr]    |
Nov 28 08:35:35.030 INFO [stderr] 36 |     labels: Option<HashMap<String, String>>,
Nov 28 08:35:35.030 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:35:35.030 INFO [stderr] 
Nov 28 08:35:35.030 INFO [stderr] warning: field is never used: `aggregation`
Nov 28 08:35:35.030 INFO [stderr]   --> src/main.rs:37:5
Nov 28 08:35:35.030 INFO [stderr]    |
Nov 28 08:35:35.030 INFO [stderr] 37 |     aggregation: Option<PrometheusAggregation>,
Nov 28 08:35:35.030 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:35:35.030 INFO [stderr] 
Nov 28 08:35:35.030 INFO [stderr] warning: field is never used: `timestamp`
Nov 28 08:35:35.030 INFO [stderr]   --> src/main.rs:38:5
Nov 28 08:35:35.030 INFO [stderr]    |
Nov 28 08:35:35.030 INFO [stderr] 38 |     timestamp: Option<u32>,
Nov 28 08:35:35.030 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:35:35.030 INFO [stderr] 
Nov 28 08:35:35.030 INFO [stderr] warning: method is never used: `name`
Nov 28 08:35:35.030 INFO [stderr]   --> src/main.rs:52:5
Nov 28 08:35:35.030 INFO [stderr]    |
Nov 28 08:35:35.030 INFO [stderr] 52 |     fn name(&mut self, n: &str) -> () {
Nov 28 08:35:35.030 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:35:35.030 INFO [stderr] 
Nov 28 08:35:35.030 INFO [stderr] warning: method is never used: `description`
Nov 28 08:35:35.030 INFO [stderr]   --> src/main.rs:56:5
Nov 28 08:35:35.030 INFO [stderr]    |
Nov 28 08:35:35.030 INFO [stderr] 56 |     fn description(&mut self, d: &str) -> () {
Nov 28 08:35:35.030 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:35:35.030 INFO [stderr] 
Nov 28 08:35:35.030 INFO [stderr] warning: method is never used: `aggregation`
Nov 28 08:35:35.030 INFO [stderr]   --> src/main.rs:60:5
Nov 28 08:35:35.030 INFO [stderr]    |
Nov 28 08:35:35.031 INFO [stderr] 60 |     fn aggregation(&mut self, aggr: PrometheusAggregation) -> () {
Nov 28 08:35:35.031 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:35:35.031 INFO [stderr] 
Nov 28 08:35:35.031 INFO [stderr] warning: method is never used: `harden`
Nov 28 08:35:35.031 INFO [stderr]   --> src/main.rs:64:5
Nov 28 08:35:35.031 INFO [stderr]    |
Nov 28 08:35:35.031 INFO [stderr] 64 |     fn harden(self) -> PrometheusBlock {
Nov 28 08:35:35.031 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:35:35.031 INFO [stderr] 
Nov 28 08:35:35.092 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.56s
Nov 28 08:35:35.096 INFO [stderr] su: No module specific data is present
Nov 28 08:35:35.830 INFO running `"docker" "inspect" "df994605fca88ac59ec3cdcb5f30b6caedf96d28da1ee1a9793c57b3b2e4a778"`
Nov 28 08:35:36.177 INFO running `"docker" "rm" "-f" "df994605fca88ac59ec3cdcb5f30b6caedf96d28da1ee1a9793c57b3b2e4a778"`
Nov 28 08:35:36.464 INFO [stdout] df994605fca88ac59ec3cdcb5f30b6caedf96d28da1ee1a9793c57b3b2e4a778