[INFO] fetching crate kind-checker 0.1.3...
[INFO] checking kind-checker-0.1.3 against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] extracting crate kind-checker 0.1.3 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate kind-checker 0.1.3
[INFO] finished tweaking crates.io crate kind-checker 0.1.3
[INFO] tweaked toml for crates.io crate kind-checker 0.1.3 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate kind-checker 0.1.3 on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 86 packages to latest compatible versions
[INFO] [stderr]       Adding hvm v1.0.11 (available: v2.0.22)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c97dac91ab9d790c69abfeff0d7d5cb2bb1f12bac1614d1b724aacb1f074065
[INFO] running `Command { std: "docker" "start" "-a" "8c97dac91ab9d790c69abfeff0d7d5cb2bb1f12bac1614d1b724aacb1f074065", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c97dac91ab9d790c69abfeff0d7d5cb2bb1f12bac1614d1b724aacb1f074065", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c97dac91ab9d790c69abfeff0d7d5cb2bb1f12bac1614d1b724aacb1f074065", kill_on_drop: false }`
[INFO] [stdout] 8c97dac91ab9d790c69abfeff0d7d5cb2bb1f12bac1614d1b724aacb1f074065
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84ef36e5bf01bb5a9eeb6b59b082a34220c7b6df2ce623d9f5d218fcc38f6430
[INFO] running `Command { std: "docker" "start" "-a" "84ef36e5bf01bb5a9eeb6b59b082a34220c7b6df2ce623d9f5d218fcc38f6430", kill_on_drop: false }`
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking memchr v2.8.0
[INFO] [stderr]     Checking os_str_bytes v6.6.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking textwrap v0.16.2
[INFO] [stderr]     Checking highlight_error v0.1.1
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]     Checking HOPA v0.1.2
[INFO] [stderr]     Checking sysinfo v0.29.11
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]    Compiling clap_derive v3.2.25
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]    Compiling im-rc v15.1.0
[INFO] [stderr]     Checking kind-span v0.1.3
[INFO] [stderr]     Checking rand_xoshiro v0.6.0
[INFO] [stderr]     Checking termsize v0.1.9
[INFO] [stderr]     Checking refl v0.2.1
[INFO] [stderr]     Checking kind-report v0.1.3
[INFO] [stderr]     Checking object v0.37.3
[INFO] [stderr]     Checking sized-chunks v0.6.5
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking backtrace v0.3.76
[INFO] [stderr]     Checking hvm v1.0.11
[INFO] [stderr]     Checking kind-tree v0.1.3
[INFO] [stderr]     Checking kind-checker v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/diagnostic.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 |     UnboundVariable(Context, Range),
[INFO] [stdout]    |     --------------- ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TypeDiagnostic` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 14 -     UnboundVariable(Context, Range),
[INFO] [stdout] 14 +     UnboundVariable((), Range),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/diagnostic.rs:15:19
[INFO] [stdout]    |
[INFO] [stdout] 15 |     CantInferHole(Context, Range),
[INFO] [stdout]    |     ------------- ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TypeDiagnostic` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 15 -     CantInferHole(Context, Range),
[INFO] [stdout] 15 +     CantInferHole((), Range),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/diagnostic.rs:16:21
[INFO] [stdout]    |
[INFO] [stdout] 16 |     CantInferLambda(Context, Range),
[INFO] [stdout]    |     --------------- ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TypeDiagnostic` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 16 -     CantInferLambda(Context, Range),
[INFO] [stdout] 16 +     CantInferLambda((), Range),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/diagnostic.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 |     InvalidCall(Context, Range),
[INFO] [stdout]    |     ----------- ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TypeDiagnostic` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 17 -     InvalidCall(Context, Range),
[INFO] [stdout] 17 +     InvalidCall((), Range),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/diagnostic.rs:18:20
[INFO] [stdout]    |
[INFO] [stdout] 18 |     ImpossibleCase(Context, Range, Box<Expr>, Box<Expr>),
[INFO] [stdout]    |     -------------- ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TypeDiagnostic` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 18 -     ImpossibleCase(Context, Range, Box<Expr>, Box<Expr>),
[INFO] [stdout] 18 +     ImpossibleCase((), Range, Box<Expr>, Box<Expr>),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/diagnostic.rs:20:22
[INFO] [stdout]    |
[INFO] [stdout] 20 |     TooManyArguments(Context, Range),
[INFO] [stdout]    |     ---------------- ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TypeDiagnostic` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 20 -     TooManyArguments(Context, Range),
[INFO] [stdout] 20 +     TooManyArguments((), Range),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/diagnostic.rs:22:22
[INFO] [stdout]    |
[INFO] [stdout] 22 |     UncoveredPattern(Context, Range, Vec<Box<Expr>>),
[INFO] [stdout]    |     ---------------- ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TypeDiagnostic` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 22 -     UncoveredPattern(Context, Range, Vec<Box<Expr>>),
[INFO] [stdout] 22 +     UncoveredPattern((), Range, Vec<Box<Expr>>),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.94s
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/diagnostic.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 |     UnboundVariable(Context, Range),
[INFO] [stdout]    |     --------------- ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TypeDiagnostic` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 14 -     UnboundVariable(Context, Range),
[INFO] [stdout] 14 +     UnboundVariable((), Range),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/diagnostic.rs:15:19
[INFO] [stdout]    |
[INFO] [stdout] 15 |     CantInferHole(Context, Range),
[INFO] [stdout]    |     ------------- ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TypeDiagnostic` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 15 -     CantInferHole(Context, Range),
[INFO] [stdout] 15 +     CantInferHole((), Range),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/diagnostic.rs:16:21
[INFO] [stdout]    |
[INFO] [stdout] 16 |     CantInferLambda(Context, Range),
[INFO] [stdout]    |     --------------- ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TypeDiagnostic` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 16 -     CantInferLambda(Context, Range),
[INFO] [stdout] 16 +     CantInferLambda((), Range),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/diagnostic.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 |     InvalidCall(Context, Range),
[INFO] [stdout]    |     ----------- ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TypeDiagnostic` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 17 -     InvalidCall(Context, Range),
[INFO] [stdout] 17 +     InvalidCall((), Range),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/diagnostic.rs:18:20
[INFO] [stdout]    |
[INFO] [stdout] 18 |     ImpossibleCase(Context, Range, Box<Expr>, Box<Expr>),
[INFO] [stdout]    |     -------------- ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TypeDiagnostic` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 18 -     ImpossibleCase(Context, Range, Box<Expr>, Box<Expr>),
[INFO] [stdout] 18 +     ImpossibleCase((), Range, Box<Expr>, Box<Expr>),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/diagnostic.rs:20:22
[INFO] [stdout]    |
[INFO] [stdout] 20 |     TooManyArguments(Context, Range),
[INFO] [stdout]    |     ---------------- ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TypeDiagnostic` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 20 -     TooManyArguments(Context, Range),
[INFO] [stdout] 20 +     TooManyArguments((), Range),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/diagnostic.rs:22:22
[INFO] [stdout]    |
[INFO] [stdout] 22 |     UncoveredPattern(Context, Range, Vec<Box<Expr>>),
[INFO] [stdout]    |     ---------------- ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TypeDiagnostic` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 22 -     UncoveredPattern(Context, Range, Vec<Box<Expr>>),
[INFO] [stdout] 22 +     UncoveredPattern((), Range, Vec<Box<Expr>>),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "84ef36e5bf01bb5a9eeb6b59b082a34220c7b6df2ce623d9f5d218fcc38f6430", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84ef36e5bf01bb5a9eeb6b59b082a34220c7b6df2ce623d9f5d218fcc38f6430", kill_on_drop: false }`
[INFO] [stdout] 84ef36e5bf01bb5a9eeb6b59b082a34220c7b6df2ce623d9f5d218fcc38f6430
