[INFO] fetching crate diaglint 0.1.8...
[INFO] checking diaglint-0.1.8 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate diaglint 0.1.8 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate diaglint 0.1.8 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-11/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: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f6ed6edce9f00f05d964c59e350c7f0517ae5e1fbbc3de04d41fc2677c4adf9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0f6ed6edce9f00f05d964c59e350c7f0517ae5e1fbbc3de04d41fc2677c4adf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f6ed6edce9f00f05d964c59e350c7f0517ae5e1fbbc3de04d41fc2677c4adf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f6ed6edce9f00f05d964c59e350c7f0517ae5e1fbbc3de04d41fc2677c4adf9", kill_on_drop: false }`
[INFO] [stdout] 0f6ed6edce9f00f05d964c59e350c7f0517ae5e1fbbc3de04d41fc2677c4adf9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f7ccf3629624c8e323c4dcbc2faa6a13c7011683812906d1eb427380a44eb612
[INFO] running `Command { std: "docker" "start" "-a" "f7ccf3629624c8e323c4dcbc2faa6a13c7011683812906d1eb427380a44eb612", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.77
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]     Checking minimal-lexical v0.1.3
[INFO] [stderr]     Checking annotate-snippets v0.8.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling nom v7.0.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking nom_locate v4.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]     Checking diaglint v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `rendered`
[INFO] [stdout]   --> src/json.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     rendered: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `file_name`
[INFO] [stdout]   --> src/json.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     file_name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `line_start`
[INFO] [stdout]   --> src/json.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     line_start: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `line_end`
[INFO] [stdout]   --> src/json.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     line_end: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `column_start`
[INFO] [stdout]   --> src/json.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     column_start: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `column_end`
[INFO] [stdout]   --> src/json.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     column_end: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `is_primary`
[INFO] [stdout]   --> src/json.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     is_primary: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `label`
[INFO] [stdout]   --> src/json.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     label: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `suggested_replacement`
[INFO] [stdout]   --> src/json.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     suggested_replacement: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `expansion`
[INFO] [stdout]   --> src/json.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     expansion: Option<Box<DiagnosticSpanMacroExpansion>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `span`
[INFO] [stdout]   --> src/json.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     span: DiagnosticSpan,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `macro_decl_name`
[INFO] [stdout]   --> src/json.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     macro_decl_name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `code`
[INFO] [stdout]   --> src/json.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     code: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `explanation`
[INFO] [stdout]   --> src/json.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     explanation: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `rendered`
[INFO] [stdout]   --> src/json.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     rendered: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `file_name`
[INFO] [stdout]   --> src/json.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     file_name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `line_start`
[INFO] [stdout]   --> src/json.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     line_start: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `line_end`
[INFO] [stdout]   --> src/json.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     line_end: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `column_start`
[INFO] [stdout]   --> src/json.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     column_start: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `column_end`
[INFO] [stdout]   --> src/json.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     column_end: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `is_primary`
[INFO] [stdout]   --> src/json.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     is_primary: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `label`
[INFO] [stdout]   --> src/json.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     label: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `suggested_replacement`
[INFO] [stdout]   --> src/json.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     suggested_replacement: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `expansion`
[INFO] [stdout]   --> src/json.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     expansion: Option<Box<DiagnosticSpanMacroExpansion>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `span`
[INFO] [stdout]   --> src/json.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     span: DiagnosticSpan,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `macro_decl_name`
[INFO] [stdout]   --> src/json.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     macro_decl_name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `code`
[INFO] [stdout]   --> src/json.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     code: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `explanation`
[INFO] [stdout]   --> src/json.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     explanation: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.19s
[INFO] running `Command { std: "docker" "inspect" "f7ccf3629624c8e323c4dcbc2faa6a13c7011683812906d1eb427380a44eb612", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7ccf3629624c8e323c4dcbc2faa6a13c7011683812906d1eb427380a44eb612", kill_on_drop: false }`
[INFO] [stdout] f7ccf3629624c8e323c4dcbc2faa6a13c7011683812906d1eb427380a44eb612