[INFO] fetching crate diaglint 0.1.8...
[INFO] checking diaglint-0.1.8 against master#9610dfe5a9a731ced1ea4923ecbd0c57fe367898 for beta-170-4
[INFO] extracting crate diaglint 0.1.8 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate diaglint 0.1.8 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 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-3-tc1/source/Cargo.toml
[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" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded minimal-lexical v0.1.3
[INFO] [stderr]   Downloaded annotate-snippets v0.8.0
[INFO] [stderr]   Downloaded nom v7.0.0
[INFO] [stderr]   Downloaded syn v1.0.77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 8a86e1687df002d492614278f3339b5580c586cde9a53bfadc3b18e4011bce36
[INFO] running `Command { std: "docker" "start" "-a" "8a86e1687df002d492614278f3339b5580c586cde9a53bfadc3b18e4011bce36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a86e1687df002d492614278f3339b5580c586cde9a53bfadc3b18e4011bce36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a86e1687df002d492614278f3339b5580c586cde9a53bfadc3b18e4011bce36", kill_on_drop: false }`
[INFO] [stdout] 8a86e1687df002d492614278f3339b5580c586cde9a53bfadc3b18e4011bce36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 8eb610b52c1f792c320bc89cadf2e9e5734070b7505f8693dcd0adb68671cea6
[INFO] running `Command { std: "docker" "start" "-a" "8eb610b52c1f792c320bc89cadf2e9e5734070b7505f8693dcd0adb68671cea6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.77
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking minimal-lexical v0.1.3
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]     Checking bytecount v0.6.2
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking annotate-snippets v0.8.0
[INFO] [stderr]    Compiling nom v7.0.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking nom_locate v4.0.0
[INFO] [stderr]     Checking 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: 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: 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: 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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.24s
[INFO] running `Command { std: "docker" "inspect" "8eb610b52c1f792c320bc89cadf2e9e5734070b7505f8693dcd0adb68671cea6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8eb610b52c1f792c320bc89cadf2e9e5734070b7505f8693dcd0adb68671cea6", kill_on_drop: false }`
[INFO] [stdout] 8eb610b52c1f792c320bc89cadf2e9e5734070b7505f8693dcd0adb68671cea6
