[INFO] cloning repository https://github.com/blt/prometheus_parsing_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/blt/prometheus_parsing_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblt%2Fprometheus_parsing_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblt%2Fprometheus_parsing_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4c9a91f0c96234d3697ee57de67e0e546ce2df71
[INFO] checking blt/prometheus_parsing_test against 895980e0290783bb09b1ccf1b11f14eb09b10430 for pr-160186
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblt%2Fprometheus_parsing_test" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/blt/prometheus_parsing_test
[INFO] finished tweaking git repo https://github.com/blt/prometheus_parsing_test
[INFO] tweaked toml for git repo https://github.com/blt/prometheus_parsing_test written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/blt/prometheus_parsing_test on toolchain 895980e0290783bb09b1ccf1b11f14eb09b10430
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/blt/prometheus_parsing_test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `prometheus_parsing_test` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 71789bd5e3110e9d0934fa5b8c019ae7450da567c04b20a46a38a0cfb95fb037
[INFO] running `Command { std: "docker" "start" "71789bd5e3110e9d0934fa5b8c019ae7450da567c04b20a46a38a0cfb95fb037", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71789bd5e3110e9d0934fa5b8c019ae7450da567c04b20a46a38a0cfb95fb037", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "71789bd5e3110e9d0934fa5b8c019ae7450da567c04b20a46a38a0cfb95fb037" "/opt/rustwide/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71789bd5e3110e9d0934fa5b8c019ae7450da567c04b20a46a38a0cfb95fb037", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "71789bd5e3110e9d0934fa5b8c019ae7450da567c04b20a46a38a0cfb95fb037" "/opt/rustwide/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `prometheus_parsing_test` (manifest) generated 1 warning
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling pest v1.0.0-beta.16
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]    Compiling pest_derive v1.0.0-beta.16
[INFO] [stderr]     Checking prometheus_parsing_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |     let mut blocks = Vec::new();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let mut block: SoftPrometheusBlock = SoftPrometheusBlock::new();
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block`
[INFO] [stdout]   --> src/main.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let mut block: SoftPrometheusBlock = SoftPrometheusBlock::new();
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HistogramPair` is never constructed
[INFO] [stdout]   --> src/main.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct HistogramPair {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `description`, `labels`, `aggregation`, and `timestamp` are never read
[INFO] [stdout]   --> src/main.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | struct SoftPrometheusBlock {
[INFO] [stdout]    |        ------------------- fields in this struct
[INFO] [stdout] 34 |     name: Option<String>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 35 |     description: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 36 |     labels: Option<HashMap<String, String>>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 37 |     aggregation: Option<PrometheusAggregation>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 38 |     timestamp: Option<u32>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `name`, `description`, `aggregation`, and `harden` are never used
[INFO] [stdout]   --> src/main.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl SoftPrometheusBlock {
[INFO] [stdout]    | ------------------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 52 |     fn name(&mut self, n: &str) -> () {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     fn description(&mut self, d: &str) -> () {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     fn aggregation(&mut self, aggr: PrometheusAggregation) -> () {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     fn harden(self) -> PrometheusBlock {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `description`, `labels`, `aggregation`, and `timestamp` are never read
[INFO] [stdout]   --> src/main.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 79 | struct PrometheusBlock {
[INFO] [stdout]    |        --------------- fields in this struct
[INFO] [stdout] 80 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 81 |     description: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 82 |     labels: Option<HashMap<String, String>>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 83 |     aggregation: PrometheusAggregation,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 84 |     timestamp: Option<u32>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PrometheusBlock` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `blocks` is never read
[INFO] [stdout]   --> src/main.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 88 | struct PrometheusPayload {
[INFO] [stdout]    |        ----------------- field in this struct
[INFO] [stdout] 89 |     blocks: Vec<PrometheusBlock>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PrometheusPayload` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |     let mut blocks = Vec::new();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let mut block: SoftPrometheusBlock = SoftPrometheusBlock::new();
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block`
[INFO] [stdout]   --> src/main.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let mut block: SoftPrometheusBlock = SoftPrometheusBlock::new();
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HistogramPair` is never constructed
[INFO] [stdout]   --> src/main.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct HistogramPair {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `description`, `labels`, `aggregation`, and `timestamp` are never read
[INFO] [stdout]   --> src/main.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | struct SoftPrometheusBlock {
[INFO] [stdout]    |        ------------------- fields in this struct
[INFO] [stdout] 34 |     name: Option<String>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 35 |     description: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 36 |     labels: Option<HashMap<String, String>>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 37 |     aggregation: Option<PrometheusAggregation>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 38 |     timestamp: Option<u32>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `name`, `description`, `aggregation`, and `harden` are never used
[INFO] [stdout]   --> src/main.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl SoftPrometheusBlock {
[INFO] [stdout]    | ------------------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 52 |     fn name(&mut self, n: &str) -> () {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     fn description(&mut self, d: &str) -> () {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     fn aggregation(&mut self, aggr: PrometheusAggregation) -> () {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     fn harden(self) -> PrometheusBlock {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `description`, `labels`, `aggregation`, and `timestamp` are never read
[INFO] [stdout]   --> src/main.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 79 | struct PrometheusBlock {
[INFO] [stdout]    |        --------------- fields in this struct
[INFO] [stdout] 80 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 81 |     description: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 82 |     labels: Option<HashMap<String, String>>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 83 |     aggregation: PrometheusAggregation,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 84 |     timestamp: Option<u32>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PrometheusBlock` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `blocks` is never read
[INFO] [stdout]   --> src/main.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 88 | struct PrometheusPayload {
[INFO] [stdout]    |        ----------------- field in this struct
[INFO] [stdout] 89 |     blocks: Vec<PrometheusBlock>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PrometheusPayload` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.91s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.10.8
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5`
[INFO] running `Command { std: "docker" "inspect" "71789bd5e3110e9d0934fa5b8c019ae7450da567c04b20a46a38a0cfb95fb037", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71789bd5e3110e9d0934fa5b8c019ae7450da567c04b20a46a38a0cfb95fb037", kill_on_drop: false }`
[INFO] [stdout] 71789bd5e3110e9d0934fa5b8c019ae7450da567c04b20a46a38a0cfb95fb037
