[INFO] fetching crate diaglint 0.1.8...
[INFO] testing diaglint-0.1.8 against 1.90.0 for beta-1.91-3
[INFO] extracting crate diaglint 0.1.8 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate diaglint 0.1.8
[INFO] finished tweaking crates.io crate diaglint 0.1.8
[INFO] tweaked toml for crates.io crate diaglint 0.1.8 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate diaglint 0.1.8 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate diaglint 0.1.8 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nom_locate v4.0.0
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ff88e2ec7cbdb8f733ec082bd030cfb4448c33d89f588c853b034ff3ea0cdbc
[INFO] running `Command { std: "docker" "start" "-a" "6ff88e2ec7cbdb8f733ec082bd030cfb4448c33d89f588c853b034ff3ea0cdbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ff88e2ec7cbdb8f733ec082bd030cfb4448c33d89f588c853b034ff3ea0cdbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ff88e2ec7cbdb8f733ec082bd030cfb4448c33d89f588c853b034ff3ea0cdbc", kill_on_drop: false }`
[INFO] [stdout] 6ff88e2ec7cbdb8f733ec082bd030cfb4448c33d89f588c853b034ff3ea0cdbc
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6469a3df7409c5fff188b8a8ba6864d064aac0752763c277fd43980edee6860
[INFO] running `Command { std: "docker" "start" "-a" "a6469a3df7409c5fff188b8a8ba6864d064aac0752763c277fd43980edee6860", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.77
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling minimal-lexical v0.1.3
[INFO] [stderr]    Compiling bytecount v0.6.2
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling annotate-snippets v0.8.0
[INFO] [stderr]    Compiling nom v7.0.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling nom_locate v4.0.0
[INFO] [stderr]    Compiling diaglint v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `rendered` is never read
[INFO] [stdout]   --> src/json.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct Diagnostic {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     rendered: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Diagnostic` 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: struct `ArtifactNotification` is never constructed
[INFO] [stdout]   --> src/json.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct ArtifactNotification {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/json.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct DiagnosticSpan {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] 25 |     file_name: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 26 |     line_start: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 27 |     line_end: usize,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 28 |     column_start: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 29 |     column_end: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 30 |     is_primary: bool,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 31 |     label: Option<String>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 32 |     suggested_replacement: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 33 |     expansion: Option<Box<DiagnosticSpanMacroExpansion>>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DiagnosticSpan` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `span` and `macro_decl_name` are never read
[INFO] [stdout]   --> src/json.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct DiagnosticSpanMacroExpansion {
[INFO] [stdout]    |            ---------------------------- fields in this struct
[INFO] [stdout] 38 |     /// span where macro was applied to generate this code
[INFO] [stdout] 39 |     span: DiagnosticSpan,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     macro_decl_name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DiagnosticSpanMacroExpansion` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `code` and `explanation` are never read
[INFO] [stdout]   --> src/json.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub struct DiagnosticCode {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] 47 |     /// The code itself.
[INFO] [stdout] 48 |     code: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 49 |     /// An explanation for the code.
[INFO] [stdout] 50 |     explanation: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DiagnosticCode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parse.rs:58:31
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub fn parse_message(message: &str) -> IResult<Span, Vec<Sentence>> {
[INFO] [stdout]    |                               ^^^^             ----      -------- the same lifetime is hidden here
[INFO] [stdout]    |                               |                |
[INFO] [stdout]    |                               |                the same lifetime is hidden here
[INFO] [stdout]    |                               the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub fn parse_message(message: &str) -> IResult<Span<'_>, Vec<Sentence<'_>>> {
[INFO] [stdout]    |                                                    ++++              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.07s
[INFO] running `Command { std: "docker" "inspect" "a6469a3df7409c5fff188b8a8ba6864d064aac0752763c277fd43980edee6860", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6469a3df7409c5fff188b8a8ba6864d064aac0752763c277fd43980edee6860", kill_on_drop: false }`
[INFO] [stdout] a6469a3df7409c5fff188b8a8ba6864d064aac0752763c277fd43980edee6860
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40e6ade1eac38183d910227e3f37b040e5a5483d9424332fad6572326d2e1e62
[INFO] running `Command { std: "docker" "start" "-a" "40e6ade1eac38183d910227e3f37b040e5a5483d9424332fad6572326d2e1e62", kill_on_drop: false }`
[INFO] [stderr]    Compiling diaglint v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `rendered` is never read
[INFO] [stdout]   --> src/json.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct Diagnostic {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     rendered: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Diagnostic` 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: struct `ArtifactNotification` is never constructed
[INFO] [stdout]   --> src/json.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct ArtifactNotification {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/json.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct DiagnosticSpan {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] 25 |     file_name: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 26 |     line_start: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 27 |     line_end: usize,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 28 |     column_start: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 29 |     column_end: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 30 |     is_primary: bool,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 31 |     label: Option<String>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 32 |     suggested_replacement: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 33 |     expansion: Option<Box<DiagnosticSpanMacroExpansion>>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DiagnosticSpan` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `span` and `macro_decl_name` are never read
[INFO] [stdout]   --> src/json.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct DiagnosticSpanMacroExpansion {
[INFO] [stdout]    |            ---------------------------- fields in this struct
[INFO] [stdout] 38 |     /// span where macro was applied to generate this code
[INFO] [stdout] 39 |     span: DiagnosticSpan,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     macro_decl_name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DiagnosticSpanMacroExpansion` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `code` and `explanation` are never read
[INFO] [stdout]   --> src/json.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub struct DiagnosticCode {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] 47 |     /// The code itself.
[INFO] [stdout] 48 |     code: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 49 |     /// An explanation for the code.
[INFO] [stdout] 50 |     explanation: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DiagnosticCode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parse.rs:58:31
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub fn parse_message(message: &str) -> IResult<Span, Vec<Sentence>> {
[INFO] [stdout]    |                               ^^^^             ----      -------- the same lifetime is hidden here
[INFO] [stdout]    |                               |                |
[INFO] [stdout]    |                               |                the same lifetime is hidden here
[INFO] [stdout]    |                               the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub fn parse_message(message: &str) -> IResult<Span<'_>, Vec<Sentence<'_>>> {
[INFO] [stdout]    |                                                    ++++              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `rendered` is never read
[INFO] [stdout]   --> src/json.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct Diagnostic {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     rendered: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Diagnostic` 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: struct `ArtifactNotification` is never constructed
[INFO] [stdout]   --> src/json.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct ArtifactNotification {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/json.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct DiagnosticSpan {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] 25 |     file_name: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 26 |     line_start: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 27 |     line_end: usize,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 28 |     column_start: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 29 |     column_end: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 30 |     is_primary: bool,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 31 |     label: Option<String>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 32 |     suggested_replacement: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 33 |     expansion: Option<Box<DiagnosticSpanMacroExpansion>>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DiagnosticSpan` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `span` and `macro_decl_name` are never read
[INFO] [stdout]   --> src/json.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct DiagnosticSpanMacroExpansion {
[INFO] [stdout]    |            ---------------------------- fields in this struct
[INFO] [stdout] 38 |     /// span where macro was applied to generate this code
[INFO] [stdout] 39 |     span: DiagnosticSpan,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     macro_decl_name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DiagnosticSpanMacroExpansion` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `code` and `explanation` are never read
[INFO] [stdout]   --> src/json.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub struct DiagnosticCode {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] 47 |     /// The code itself.
[INFO] [stdout] 48 |     code: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 49 |     /// An explanation for the code.
[INFO] [stdout] 50 |     explanation: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DiagnosticCode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parse.rs:58:31
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub fn parse_message(message: &str) -> IResult<Span, Vec<Sentence>> {
[INFO] [stdout]    |                               ^^^^             ----      -------- the same lifetime is hidden here
[INFO] [stdout]    |                               |                |
[INFO] [stdout]    |                               |                the same lifetime is hidden here
[INFO] [stdout]    |                               the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub fn parse_message(message: &str) -> IResult<Span<'_>, Vec<Sentence<'_>>> {
[INFO] [stdout]    |                                                    ++++              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "40e6ade1eac38183d910227e3f37b040e5a5483d9424332fad6572326d2e1e62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40e6ade1eac38183d910227e3f37b040e5a5483d9424332fad6572326d2e1e62", kill_on_drop: false }`
[INFO] [stdout] 40e6ade1eac38183d910227e3f37b040e5a5483d9424332fad6572326d2e1e62
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cc7e8b32da791680b738389b35d120a162f18e950a50fa8543ae49f061c21657
[INFO] running `Command { std: "docker" "start" "-a" "cc7e8b32da791680b738389b35d120a162f18e950a50fa8543ae49f061c21657", kill_on_drop: false }`
[INFO] [stderr] warning: field `rendered` is never read
[INFO] [stdout] 
[INFO] [stderr]   --> src/json.rs:14:5
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr]  8 | pub struct Diagnostic {
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |            ---------- field in this struct
[INFO] [stdout] 
[INFO] [stderr] ...
[INFO] [stderr] 14 |     rendered: Option<String>,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Diagnostic` 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] [stdout] 
[INFO] [stderr] warning: struct `ArtifactNotification` is never constructed
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/json.rs:18:12
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub struct ArtifactNotification {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple fields are never read
[INFO] [stderr]   --> src/json.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub struct DiagnosticSpan {
[INFO] [stderr]    |            -------------- fields in this struct
[INFO] [stderr] 25 |     file_name: String,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 26 |     line_start: usize,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 27 |     line_end: usize,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 28 |     column_start: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 29 |     column_end: usize,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 30 |     is_primary: bool,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 31 |     label: Option<String>,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 32 |     suggested_replacement: Option<String>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 33 |     expansion: Option<Box<DiagnosticSpanMacroExpansion>>,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `DiagnosticSpan` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `span` and `macro_decl_name` are never read
[INFO] [stderr]   --> src/json.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub struct DiagnosticSpanMacroExpansion {
[INFO] [stderr]    |            ---------------------------- fields in this struct
[INFO] [stderr] 38 |     /// span where macro was applied to generate this code
[INFO] [stderr] 39 |     span: DiagnosticSpan,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 42 |     macro_decl_name: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `DiagnosticSpanMacroExpansion` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `code` and `explanation` are never read
[INFO] [stderr]   --> src/json.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 46 | pub struct DiagnosticCode {
[INFO] [stderr]    |            -------------- fields in this struct
[INFO] [stderr] 47 |     /// The code itself.
[INFO] [stderr] 48 |     code: String,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 49 |     /// An explanation for the code.
[INFO] [stderr] 50 |     explanation: Option<String>,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `DiagnosticCode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/parse.rs:58:31
[INFO] [stderr]    |
[INFO] [stderr] 58 | pub fn parse_message(message: &str) -> IResult<Span, Vec<Sentence>> {
[INFO] [stderr]    |                               ^^^^             ----      -------- the same lifetime is hidden here
[INFO] [stderr]    |                               |                |
[INFO] [stderr]    |                               |                the same lifetime is hidden here
[INFO] [stderr]    |                               the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 58 | pub fn parse_message(message: &str) -> IResult<Span<'_>, Vec<Sentence<'_>>> {
[INFO] [stderr]    |                                                    ++++              ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `diaglint` (lib) generated 6 warnings
[INFO] [stderr] warning: `diaglint` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/diaglint-75e2bb524ffaa804)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/diaglint-393d225c4ddc9b8e)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests diaglint
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cc7e8b32da791680b738389b35d120a162f18e950a50fa8543ae49f061c21657", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc7e8b32da791680b738389b35d120a162f18e950a50fa8543ae49f061c21657", kill_on_drop: false }`
[INFO] [stdout] cc7e8b32da791680b738389b35d120a162f18e950a50fa8543ae49f061c21657
