Nov 30 06:08:14.358 INFO checking blt/prometheus_parsing_test against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 06:08:14.358 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-7/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 06:08:14.772 INFO [stdout] 592f8b3b4cb17387000b0f7b17bb0277d2e1c959ae087086907256d1fcbbb2e0
Nov 30 06:08:14.774 INFO running `"docker" "start" "-a" "592f8b3b4cb17387000b0f7b17bb0277d2e1c959ae087086907256d1fcbbb2e0"`
Nov 30 06:08:15.716 INFO [stderr] usermod: no changes
Nov 30 06:08:15.768 INFO [stderr]    Compiling pest v1.0.0-beta.16
Nov 30 06:08:15.768 INFO [stderr]    Compiling syn v0.10.8
Nov 30 06:08:21.690 INFO [stderr]    Compiling pest_derive v1.0.0-beta.16
Nov 30 06:08:28.948 INFO [stderr]     Checking prometheus_parsing_test v0.1.0 (/source)
Nov 30 06:08:29.991 INFO [stderr] warning: unused variable: `block`
Nov 30 06:08:29.991 INFO [stderr]   --> src/main.rs:98:13
Nov 30 06:08:29.991 INFO [stderr]    |
Nov 30 06:08:29.991 INFO [stderr] 98 |     let mut block: SoftPrometheusBlock = SoftPrometheusBlock::new();
Nov 30 06:08:29.991 INFO [stderr]    |             ^^^^^ help: consider using `_block` instead
Nov 30 06:08:29.991 INFO [stderr]    |
Nov 30 06:08:29.992 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 06:08:29.992 INFO [stderr] 
Nov 30 06:08:30.044 INFO [stderr] warning: unused variable: `block`
Nov 30 06:08:30.044 INFO [stderr]   --> src/main.rs:98:13
Nov 30 06:08:30.044 INFO [stderr]    |
Nov 30 06:08:30.044 INFO [stderr] 98 |     let mut block: SoftPrometheusBlock = SoftPrometheusBlock::new();
Nov 30 06:08:30.044 INFO [stderr]    |             ^^^^^ help: consider using `_block` instead
Nov 30 06:08:30.044 INFO [stderr]    |
Nov 30 06:08:30.044 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 06:08:30.044 INFO [stderr] 
Nov 30 06:08:30.138 INFO [stderr] warning: variable does not need to be mutable
Nov 30 06:08:30.138 INFO [stderr]   --> src/main.rs:96:9
Nov 30 06:08:30.138 INFO [stderr]    |
Nov 30 06:08:30.138 INFO [stderr] 96 |     let mut blocks = Vec::new();
Nov 30 06:08:30.138 INFO [stderr]    |         ----^^^^^^
Nov 30 06:08:30.138 INFO [stderr]    |         |
Nov 30 06:08:30.138 INFO [stderr]    |         help: remove this `mut`
Nov 30 06:08:30.138 INFO [stderr]    |
Nov 30 06:08:30.138 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 06:08:30.138 INFO [stderr] 
Nov 30 06:08:30.138 INFO [stderr] warning: variable does not need to be mutable
Nov 30 06:08:30.138 INFO [stderr]   --> src/main.rs:98:9
Nov 30 06:08:30.138 INFO [stderr]    |
Nov 30 06:08:30.138 INFO [stderr] 98 |     let mut block: SoftPrometheusBlock = SoftPrometheusBlock::new();
Nov 30 06:08:30.138 INFO [stderr]    |         ----^^^^^
Nov 30 06:08:30.139 INFO [stderr]    |         |
Nov 30 06:08:30.139 INFO [stderr]    |         help: remove this `mut`
Nov 30 06:08:30.139 INFO [stderr] 
Nov 30 06:08:30.140 INFO [stderr] warning: field is never used: `name`
Nov 30 06:08:30.140 INFO [stderr]   --> src/main.rs:34:5
Nov 30 06:08:30.140 INFO [stderr]    |
Nov 30 06:08:30.140 INFO [stderr] 34 |     name: Option<String>,
Nov 30 06:08:30.140 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Nov 30 06:08:30.140 INFO [stderr]    |
Nov 30 06:08:30.140 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 06:08:30.140 INFO [stderr] 
Nov 30 06:08:30.140 INFO [stderr] warning: field is never used: `description`
Nov 30 06:08:30.140 INFO [stderr]   --> src/main.rs:35:5
Nov 30 06:08:30.140 INFO [stderr]    |
Nov 30 06:08:30.140 INFO [stderr] 35 |     description: Option<String>,
Nov 30 06:08:30.140 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 06:08:30.140 INFO [stderr] 
Nov 30 06:08:30.140 INFO [stderr] warning: field is never used: `labels`
Nov 30 06:08:30.141 INFO [stderr]   --> src/main.rs:36:5
Nov 30 06:08:30.141 INFO [stderr]    |
Nov 30 06:08:30.141 INFO [stderr] 36 |     labels: Option<HashMap<String, String>>,
Nov 30 06:08:30.141 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 06:08:30.141 INFO [stderr] 
Nov 30 06:08:30.141 INFO [stderr] warning: field is never used: `aggregation`
Nov 30 06:08:30.141 INFO [stderr]   --> src/main.rs:37:5
Nov 30 06:08:30.141 INFO [stderr]    |
Nov 30 06:08:30.141 INFO [stderr] 37 |     aggregation: Option<PrometheusAggregation>,
Nov 30 06:08:30.141 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 06:08:30.141 INFO [stderr] 
Nov 30 06:08:30.141 INFO [stderr] warning: field is never used: `timestamp`
Nov 30 06:08:30.141 INFO [stderr]   --> src/main.rs:38:5
Nov 30 06:08:30.141 INFO [stderr]    |
Nov 30 06:08:30.141 INFO [stderr] 38 |     timestamp: Option<u32>,
Nov 30 06:08:30.141 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Nov 30 06:08:30.141 INFO [stderr] 
Nov 30 06:08:30.141 INFO [stderr] warning: method is never used: `name`
Nov 30 06:08:30.141 INFO [stderr]   --> src/main.rs:52:5
Nov 30 06:08:30.141 INFO [stderr]    |
Nov 30 06:08:30.141 INFO [stderr] 52 |     fn name(&mut self, n: &str) -> () {
Nov 30 06:08:30.141 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 06:08:30.141 INFO [stderr] 
Nov 30 06:08:30.141 INFO [stderr] warning: method is never used: `description`
Nov 30 06:08:30.141 INFO [stderr]   --> src/main.rs:56:5
Nov 30 06:08:30.141 INFO [stderr]    |
Nov 30 06:08:30.141 INFO [stderr] 56 |     fn description(&mut self, d: &str) -> () {
Nov 30 06:08:30.141 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 06:08:30.141 INFO [stderr] 
Nov 30 06:08:30.141 INFO [stderr] warning: method is never used: `aggregation`
Nov 30 06:08:30.141 INFO [stderr]   --> src/main.rs:60:5
Nov 30 06:08:30.141 INFO [stderr]    |
Nov 30 06:08:30.141 INFO [stderr] 60 |     fn aggregation(&mut self, aggr: PrometheusAggregation) -> () {
Nov 30 06:08:30.141 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 06:08:30.141 INFO [stderr] 
Nov 30 06:08:30.141 INFO [stderr] warning: method is never used: `harden`
Nov 30 06:08:30.141 INFO [stderr]   --> src/main.rs:64:5
Nov 30 06:08:30.141 INFO [stderr]    |
Nov 30 06:08:30.141 INFO [stderr] 64 |     fn harden(self) -> PrometheusBlock {
Nov 30 06:08:30.141 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 06:08:30.141 INFO [stderr] 
Nov 30 06:08:30.324 INFO [stderr] warning: variable does not need to be mutable
Nov 30 06:08:30.324 INFO [stderr]   --> src/main.rs:96:9
Nov 30 06:08:30.324 INFO [stderr]    |
Nov 30 06:08:30.324 INFO [stderr] 96 |     let mut blocks = Vec::new();
Nov 30 06:08:30.324 INFO [stderr]    |         ----^^^^^^
Nov 30 06:08:30.324 INFO [stderr]    |         |
Nov 30 06:08:30.324 INFO [stderr]    |         help: remove this `mut`
Nov 30 06:08:30.324 INFO [stderr]    |
Nov 30 06:08:30.324 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 06:08:30.324 INFO [stderr] 
Nov 30 06:08:30.324 INFO [stderr] warning: variable does not need to be mutable
Nov 30 06:08:30.324 INFO [stderr]   --> src/main.rs:98:9
Nov 30 06:08:30.324 INFO [stderr]    |
Nov 30 06:08:30.324 INFO [stderr] 98 |     let mut block: SoftPrometheusBlock = SoftPrometheusBlock::new();
Nov 30 06:08:30.324 INFO [stderr]    |         ----^^^^^
Nov 30 06:08:30.324 INFO [stderr]    |         |
Nov 30 06:08:30.324 INFO [stderr]    |         help: remove this `mut`
Nov 30 06:08:30.324 INFO [stderr] 
Nov 30 06:08:30.325 INFO [stderr] warning: field is never used: `name`
Nov 30 06:08:30.325 INFO [stderr]   --> src/main.rs:34:5
Nov 30 06:08:30.325 INFO [stderr]    |
Nov 30 06:08:30.325 INFO [stderr] 34 |     name: Option<String>,
Nov 30 06:08:30.325 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Nov 30 06:08:30.325 INFO [stderr]    |
Nov 30 06:08:30.325 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 06:08:30.325 INFO [stderr] 
Nov 30 06:08:30.325 INFO [stderr] warning: field is never used: `description`
Nov 30 06:08:30.325 INFO [stderr]   --> src/main.rs:35:5
Nov 30 06:08:30.325 INFO [stderr]    |
Nov 30 06:08:30.325 INFO [stderr] 35 |     description: Option<String>,
Nov 30 06:08:30.325 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 06:08:30.325 INFO [stderr] 
Nov 30 06:08:30.325 INFO [stderr] warning: field is never used: `labels`
Nov 30 06:08:30.325 INFO [stderr]   --> src/main.rs:36:5
Nov 30 06:08:30.325 INFO [stderr]    |
Nov 30 06:08:30.325 INFO [stderr] 36 |     labels: Option<HashMap<String, String>>,
Nov 30 06:08:30.325 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 06:08:30.325 INFO [stderr] 
Nov 30 06:08:30.325 INFO [stderr] warning: field is never used: `aggregation`
Nov 30 06:08:30.325 INFO [stderr]   --> src/main.rs:37:5
Nov 30 06:08:30.325 INFO [stderr]    |
Nov 30 06:08:30.325 INFO [stderr] 37 |     aggregation: Option<PrometheusAggregation>,
Nov 30 06:08:30.325 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 06:08:30.325 INFO [stderr] 
Nov 30 06:08:30.325 INFO [stderr] warning: field is never used: `timestamp`
Nov 30 06:08:30.325 INFO [stderr]   --> src/main.rs:38:5
Nov 30 06:08:30.325 INFO [stderr]    |
Nov 30 06:08:30.325 INFO [stderr] 38 |     timestamp: Option<u32>,
Nov 30 06:08:30.325 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Nov 30 06:08:30.325 INFO [stderr] 
Nov 30 06:08:30.325 INFO [stderr] warning: method is never used: `name`
Nov 30 06:08:30.325 INFO [stderr]   --> src/main.rs:52:5
Nov 30 06:08:30.325 INFO [stderr]    |
Nov 30 06:08:30.325 INFO [stderr] 52 |     fn name(&mut self, n: &str) -> () {
Nov 30 06:08:30.325 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 06:08:30.325 INFO [stderr] 
Nov 30 06:08:30.325 INFO [stderr] warning: method is never used: `description`
Nov 30 06:08:30.325 INFO [stderr]   --> src/main.rs:56:5
Nov 30 06:08:30.325 INFO [stderr]    |
Nov 30 06:08:30.325 INFO [stderr] 56 |     fn description(&mut self, d: &str) -> () {
Nov 30 06:08:30.325 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 06:08:30.326 INFO [stderr] 
Nov 30 06:08:30.326 INFO [stderr] warning: method is never used: `aggregation`
Nov 30 06:08:30.326 INFO [stderr]   --> src/main.rs:60:5
Nov 30 06:08:30.326 INFO [stderr]    |
Nov 30 06:08:30.326 INFO [stderr] 60 |     fn aggregation(&mut self, aggr: PrometheusAggregation) -> () {
Nov 30 06:08:30.326 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 06:08:30.326 INFO [stderr] 
Nov 30 06:08:30.326 INFO [stderr] warning: method is never used: `harden`
Nov 30 06:08:30.326 INFO [stderr]   --> src/main.rs:64:5
Nov 30 06:08:30.326 INFO [stderr]    |
Nov 30 06:08:30.326 INFO [stderr] 64 |     fn harden(self) -> PrometheusBlock {
Nov 30 06:08:30.326 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 06:08:30.326 INFO [stderr] 
Nov 30 06:08:30.373 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.63s
Nov 30 06:08:30.373 INFO [stderr] su: No module specific data is present
Nov 30 06:08:30.844 INFO running `"docker" "inspect" "592f8b3b4cb17387000b0f7b17bb0277d2e1c959ae087086907256d1fcbbb2e0"`
Nov 30 06:08:31.160 INFO running `"docker" "rm" "-f" "592f8b3b4cb17387000b0f7b17bb0277d2e1c959ae087086907256d1fcbbb2e0"`
Nov 30 06:08:31.424 INFO [stdout] 592f8b3b4cb17387000b0f7b17bb0277d2e1c959ae087086907256d1fcbbb2e0