[INFO] fetching crate cosmoline 0.1.1...
[INFO] checking cosmoline-0.1.1 against master#9610dfe5a9a731ced1ea4923ecbd0c57fe367898 for beta-170-4
[INFO] extracting crate cosmoline 0.1.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate cosmoline 0.1.1 on toolchain 9610dfe5a9a731ced1ea4923ecbd0c57fe367898
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cosmoline 0.1.1
[INFO] finished tweaking crates.io crate cosmoline 0.1.1
[INFO] tweaked toml for crates.io crate cosmoline 0.1.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate cosmoline 0.1.1 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" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.126
[INFO] [stderr]   Downloaded pest_derive v2.1.0
[INFO] [stderr]   Downloaded pest_generator v2.1.3
[INFO] [stderr]   Downloaded pest_meta v2.1.3
[INFO] [stderr]   Downloaded digest v0.8.1
[INFO] [stderr]   Downloaded fake-simd v0.1.2
[INFO] [stderr]   Downloaded opaque-debug v0.2.3
[INFO] [stderr]   Downloaded generic-array v0.12.4
[INFO] [stderr]   Downloaded byte-tools v0.3.1
[INFO] [stderr]   Downloaded block-buffer v0.7.3
[INFO] [stderr]   Downloaded pest v2.1.3
[INFO] [stderr]   Downloaded ucd-trie v0.1.3
[INFO] [stderr]   Downloaded serde_derive v1.0.126
[INFO] [stderr]   Downloaded memchr v2.4.0
[INFO] [stderr]   Downloaded block-padding v0.1.5
[INFO] [stderr]   Downloaded typenum v1.13.0
[INFO] [stderr]   Downloaded handlebars v4.1.0
[INFO] [stderr]   Downloaded rustc-demangle v0.1.20
[INFO] [stderr]   Downloaded semver v1.0.3
[INFO] [stderr]   Downloaded proc-macro2 v1.0.27
[INFO] [stderr]   Downloaded libc v0.2.97
[INFO] [stderr]   Downloaded syn v1.0.73
[INFO] [stderr]   Downloaded sha-1 v0.8.2
[INFO] [stderr]   Downloaded quick-error v2.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c3a104f5d6fc3b3d19f2fd45d6ed9b6dfb8748d548f39c84910eb8070300c2b
[INFO] running `Command { std: "docker" "start" "-a" "6c3a104f5d6fc3b3d19f2fd45d6ed9b6dfb8748d548f39c84910eb8070300c2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c3a104f5d6fc3b3d19f2fd45d6ed9b6dfb8748d548f39c84910eb8070300c2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c3a104f5d6fc3b3d19f2fd45d6ed9b6dfb8748d548f39c84910eb8070300c2b", kill_on_drop: false }`
[INFO] [stdout] 6c3a104f5d6fc3b3d19f2fd45d6ed9b6dfb8748d548f39c84910eb8070300c2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c4f2b35e31079330e61453446e7bb9eba3efe6e52fb7cfb416f12e9e22de614
[INFO] running `Command { std: "docker" "start" "-a" "4c4f2b35e31079330e61453446e7bb9eba3efe6e52fb7cfb416f12e9e22de614", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling semver v1.0.3
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking rustc-demangle v0.1.20
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking handlebars v4.1.0
[INFO] [stderr]     Checking cosmoline v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `destructuring_assignment` has been stable since 1.59.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(destructuring_assignment)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `destructuring_assignment` has been stable since 1.59.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(destructuring_assignment)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/coverage_data.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub(crate) struct FileBranch {
[INFO] [stdout]    |                   ---------- fields in this struct
[INFO] [stdout] 23 |     pub line_start: i64,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 24 |     pub column_start: i64,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 25 |     pub line_end: i64,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 26 |     pub column_end: i64,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 27 |     pub execution_count: i64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 28 |     pub false_execution_count: i64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 29 |     pub file_id: i64,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 30 |     pub expanded_file_id: i64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 31 |     pub region_kind: i64,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FileBranch` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `branches` and `expansions` are never read
[INFO] [stdout]   --> src/coverage_data.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub(crate) struct FileCoverage<'a> {
[INFO] [stdout]    |                   ------------ fields in this struct
[INFO] [stdout] 36 |     pub branches: Vec<FileBranch>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 37 |     pub expansions: Vec<FileExpansion<'a>>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FileCoverage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `branches`, `instantiations`, and `regions` are never read
[INFO] [stdout]   --> src/coverage_data.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub(crate) struct FileCoverageSummary {
[INFO] [stdout]    |                   ------------------- fields in this struct
[INFO] [stdout] 45 |     pub branches: Summary,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 46 |     pub functions: Summary,
[INFO] [stdout] 47 |     pub instantiations: Summary,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 48 |     pub lines: Summary,
[INFO] [stdout] 49 |     pub regions: Summary,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FileCoverageSummary` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `filenames` is never read
[INFO] [stdout]   --> src/coverage_data.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub(crate) struct FileExpansion<'a> {
[INFO] [stdout]    |                   ------------- field in this struct
[INFO] [stdout] 54 |     #[serde(borrow)]
[INFO] [stdout] 55 |     pub filenames: Vec<&'a str>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FileExpansion` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `has_count` and `is_gap_region` are never read
[INFO] [stdout]   --> src/coverage_data.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub(crate) struct FileSegment {
[INFO] [stdout]    |                   ----------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 63 |     pub has_count: bool,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 64 |     pub is_region_entry: bool,
[INFO] [stdout] 65 |     pub is_gap_region: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FileSegment` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `regions` is never read
[INFO] [stdout]   --> src/coverage_data.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub(crate) struct FunctionCoverage<'a> {
[INFO] [stdout]    |                   ---------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 74 |     pub regions: Vec<Region>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FunctionCoverage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/coverage_data.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub(crate) struct Region {
[INFO] [stdout]    |                   ------ fields in this struct
[INFO] [stdout] 82 |     pub line_start: i64,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 83 |     pub column_start: i64,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 84 |     pub line_end: i64,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 85 |     pub column_end: i64,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 86 |     pub execution_count: i64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 87 |     pub file_id: i64,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 88 |     pub expanded_file_id: i64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 89 |     pub region_kind: i64,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Region` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `not_covered` is never read
[INFO] [stdout]   --> src/coverage_data.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 93 | pub(crate) struct Summary {
[INFO] [stdout]    |                   ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 97 |     pub not_covered: Option<u64>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Summary` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `report_type` and `version` are never read
[INFO] [stdout]    --> src/coverage_data.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 102 | pub(crate) struct SummaryReport<'a> {
[INFO] [stdout]     |                   ------------- fields in this struct
[INFO] [stdout] 103 |     #[serde(rename = "type")]
[INFO] [stdout] 104 |     pub report_type: &'a str,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 107 |     pub version: semver::Version,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SummaryReport` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/coverage_data.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub(crate) struct FileBranch {
[INFO] [stdout]    |                   ---------- fields in this struct
[INFO] [stdout] 23 |     pub line_start: i64,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 24 |     pub column_start: i64,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 25 |     pub line_end: i64,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 26 |     pub column_end: i64,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 27 |     pub execution_count: i64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 28 |     pub false_execution_count: i64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 29 |     pub file_id: i64,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 30 |     pub expanded_file_id: i64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 31 |     pub region_kind: i64,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FileBranch` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `branches` and `expansions` are never read
[INFO] [stdout]   --> src/coverage_data.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub(crate) struct FileCoverage<'a> {
[INFO] [stdout]    |                   ------------ fields in this struct
[INFO] [stdout] 36 |     pub branches: Vec<FileBranch>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 37 |     pub expansions: Vec<FileExpansion<'a>>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FileCoverage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `branches`, `instantiations`, and `regions` are never read
[INFO] [stdout]   --> src/coverage_data.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub(crate) struct FileCoverageSummary {
[INFO] [stdout]    |                   ------------------- fields in this struct
[INFO] [stdout] 45 |     pub branches: Summary,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 46 |     pub functions: Summary,
[INFO] [stdout] 47 |     pub instantiations: Summary,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 48 |     pub lines: Summary,
[INFO] [stdout] 49 |     pub regions: Summary,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FileCoverageSummary` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `filenames` is never read
[INFO] [stdout]   --> src/coverage_data.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub(crate) struct FileExpansion<'a> {
[INFO] [stdout]    |                   ------------- field in this struct
[INFO] [stdout] 54 |     #[serde(borrow)]
[INFO] [stdout] 55 |     pub filenames: Vec<&'a str>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FileExpansion` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `has_count` and `is_gap_region` are never read
[INFO] [stdout]   --> src/coverage_data.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub(crate) struct FileSegment {
[INFO] [stdout]    |                   ----------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 63 |     pub has_count: bool,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 64 |     pub is_region_entry: bool,
[INFO] [stdout] 65 |     pub is_gap_region: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FileSegment` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `regions` is never read
[INFO] [stdout]   --> src/coverage_data.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub(crate) struct FunctionCoverage<'a> {
[INFO] [stdout]    |                   ---------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 74 |     pub regions: Vec<Region>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FunctionCoverage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/coverage_data.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub(crate) struct Region {
[INFO] [stdout]    |                   ------ fields in this struct
[INFO] [stdout] 82 |     pub line_start: i64,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 83 |     pub column_start: i64,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 84 |     pub line_end: i64,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 85 |     pub column_end: i64,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 86 |     pub execution_count: i64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 87 |     pub file_id: i64,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 88 |     pub expanded_file_id: i64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 89 |     pub region_kind: i64,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Region` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `not_covered` is never read
[INFO] [stdout]   --> src/coverage_data.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 93 | pub(crate) struct Summary {
[INFO] [stdout]    |                   ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 97 |     pub not_covered: Option<u64>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Summary` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `report_type` and `version` are never read
[INFO] [stdout]    --> src/coverage_data.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 102 | pub(crate) struct SummaryReport<'a> {
[INFO] [stdout]     |                   ------------- fields in this struct
[INFO] [stdout] 103 |     #[serde(rename = "type")]
[INFO] [stdout] 104 |     pub report_type: &'a str,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 107 |     pub version: semver::Version,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SummaryReport` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.29s
[INFO] running `Command { std: "docker" "inspect" "4c4f2b35e31079330e61453446e7bb9eba3efe6e52fb7cfb416f12e9e22de614", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c4f2b35e31079330e61453446e7bb9eba3efe6e52fb7cfb416f12e9e22de614", kill_on_drop: false }`
[INFO] [stdout] 4c4f2b35e31079330e61453446e7bb9eba3efe6e52fb7cfb416f12e9e22de614
