[INFO] fetching crate cosmoline 0.1.1...
[INFO] testing cosmoline-0.1.1 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate cosmoline 0.1.1 into /workspace/builds/worker-6-tc1/source
[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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cosmoline 0.1.1 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded semver v1.0.3
[INFO] [stderr]   Downloaded handlebars v4.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88d05410bbfa407cd5805c9b0bb3a64fe9e563010b686b7c85b3c2c80aa529ff
[INFO] running `Command { std: "docker" "start" "-a" "88d05410bbfa407cd5805c9b0bb3a64fe9e563010b686b7c85b3c2c80aa529ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88d05410bbfa407cd5805c9b0bb3a64fe9e563010b686b7c85b3c2c80aa529ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88d05410bbfa407cd5805c9b0bb3a64fe9e563010b686b7c85b3c2c80aa529ff", kill_on_drop: false }`
[INFO] [stdout] 88d05410bbfa407cd5805c9b0bb3a64fe9e563010b686b7c85b3c2c80aa529ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 46fcf2962541260d77fa851d32282f0a1495e18e7c8fbe3f0b9ff8703e276a5c
[INFO] running `Command { std: "docker" "start" "-a" "46fcf2962541260d77fa851d32282f0a1495e18e7c8fbe3f0b9ff8703e276a5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[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 memchr v2.4.0
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling semver v1.0.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling quick-error v2.0.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rustc-demangle v0.1.20
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling handlebars v4.1.0
[INFO] [stderr]    Compiling 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: 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.89s
[INFO] running `Command { std: "docker" "inspect" "46fcf2962541260d77fa851d32282f0a1495e18e7c8fbe3f0b9ff8703e276a5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46fcf2962541260d77fa851d32282f0a1495e18e7c8fbe3f0b9ff8703e276a5c", kill_on_drop: false }`
[INFO] [stdout] 46fcf2962541260d77fa851d32282f0a1495e18e7c8fbe3f0b9ff8703e276a5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 159694e835a96aaf49e6351c32a2db6db016518dcfd37770b11097b18df7ece2
[INFO] running `Command { std: "docker" "start" "-a" "159694e835a96aaf49e6351c32a2db6db016518dcfd37770b11097b18df7ece2", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "159694e835a96aaf49e6351c32a2db6db016518dcfd37770b11097b18df7ece2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "159694e835a96aaf49e6351c32a2db6db016518dcfd37770b11097b18df7ece2", kill_on_drop: false }`
[INFO] [stdout] 159694e835a96aaf49e6351c32a2db6db016518dcfd37770b11097b18df7ece2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] af178cc5b5a926f8b38e5d71e2d3175ecc03e3f7329a3f0490a2c5d2003dedae
[INFO] running `Command { std: "docker" "start" "-a" "af178cc5b5a926f8b38e5d71e2d3175ecc03e3f7329a3f0490a2c5d2003dedae", kill_on_drop: false }`
[INFO] [stderr] warning: the feature `destructuring_assignment` has been stable since 1.59.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(destructuring_assignment)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: multiple fields are never read
[INFO] [stderr]   --> src/coverage_data.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub(crate) struct FileBranch {
[INFO] [stderr]    |                   ---------- fields in this struct
[INFO] [stderr] 23 |     pub line_start: i64,
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr] 24 |     pub column_start: i64,
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr] 25 |     pub line_end: i64,
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 26 |     pub column_end: i64,
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr] 27 |     pub execution_count: i64,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^
[INFO] [stderr] 28 |     pub false_execution_count: i64,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 29 |     pub file_id: i64,
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr] 30 |     pub expanded_file_id: i64,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr] 31 |     pub region_kind: i64,
[INFO] [stderr]    |         ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `FileBranch` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `branches` and `expansions` are never read
[INFO] [stderr]   --> src/coverage_data.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub(crate) struct FileCoverage<'a> {
[INFO] [stderr]    |                   ------------ fields in this struct
[INFO] [stderr] 36 |     pub branches: Vec<FileBranch>,
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 37 |     pub expansions: Vec<FileExpansion<'a>>,
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `FileCoverage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `branches`, `instantiations`, and `regions` are never read
[INFO] [stderr]   --> src/coverage_data.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 44 | pub(crate) struct FileCoverageSummary {
[INFO] [stderr]    |                   ------------------- fields in this struct
[INFO] [stderr] 45 |     pub branches: Summary,
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 46 |     pub functions: Summary,
[INFO] [stderr] 47 |     pub instantiations: Summary,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr] 48 |     pub lines: Summary,
[INFO] [stderr] 49 |     pub regions: Summary,
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `FileCoverageSummary` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `filenames` is never read
[INFO] [stderr]   --> src/coverage_data.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 53 | pub(crate) struct FileExpansion<'a> {
[INFO] [stderr]    |                   ------------- field in this struct
[INFO] [stderr] 54 |     #[serde(borrow)]
[INFO] [stderr] 55 |     pub filenames: Vec<&'a str>,
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `FileExpansion` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `has_count` and `is_gap_region` are never read
[INFO] [stderr]   --> src/coverage_data.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 59 | pub(crate) struct FileSegment {
[INFO] [stderr]    |                   ----------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 63 |     pub has_count: bool,
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr] 64 |     pub is_region_entry: bool,
[INFO] [stderr] 65 |     pub is_gap_region: bool,
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `FileSegment` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `regions` is never read
[INFO] [stderr]   --> src/coverage_data.rs:74:9
[INFO] [stderr]    |
[INFO] [stderr] 69 | pub(crate) struct FunctionCoverage<'a> {
[INFO] [stderr]    |                   ---------------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 74 |     pub regions: Vec<Region>,
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `FunctionCoverage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: multiple fields are never read
[INFO] [stderr]   --> src/coverage_data.rs:82:9
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 81 | pub(crate) struct Region {
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |                   ------ fields in this struct
[INFO] [stdout] 
[INFO] [stderr] 82 |     pub line_start: i64,
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr] 83 |     pub column_start: i64,
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr] 84 |     pub line_end: i64,
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 85 |     pub column_end: i64,
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr] 86 |     pub execution_count: i64,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^
[INFO] [stderr] 87 |     pub file_id: i64,
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr] 88 |     pub expanded_file_id: i64,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr] 89 |     pub region_kind: i64,
[INFO] [stderr]    |         ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Region` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `not_covered` is never read
[INFO] [stderr]   --> src/coverage_data.rs:97:9
[INFO] [stderr]    |
[INFO] [stderr] 93 | pub(crate) struct Summary {
[INFO] [stderr]    |                   ------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 97 |     pub not_covered: Option<u64>,
[INFO] [stderr]    |         ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Summary` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `report_type` and `version` are never read
[INFO] [stderr]    --> src/coverage_data.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 102 | pub(crate) struct SummaryReport<'a> {
[INFO] [stderr]     |                   ------------- fields in this struct
[INFO] [stderr] 103 |     #[serde(rename = "type")]
[INFO] [stderr] 104 |     pub report_type: &'a str,
[INFO] [stderr]     |         ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 107 |     pub version: semver::Version,
[INFO] [stderr]     |         ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `SummaryReport` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `cosmoline` (bin "cosmoline" test) generated 10 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/cosmoline-9d00a84fde4a6c3c)
[INFO] running `Command { std: "docker" "inspect" "af178cc5b5a926f8b38e5d71e2d3175ecc03e3f7329a3f0490a2c5d2003dedae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af178cc5b5a926f8b38e5d71e2d3175ecc03e3f7329a3f0490a2c5d2003dedae", kill_on_drop: false }`
[INFO] [stdout] af178cc5b5a926f8b38e5d71e2d3175ecc03e3f7329a3f0490a2c5d2003dedae