[INFO] cloning repository https://github.com/mingmamma/macrokata
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mingmamma/macrokata" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmingmamma%2Fmacrokata", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmingmamma%2Fmacrokata'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 827f04dd8c696ba74762a0c07ca18f7fa3702353
[INFO] checking mingmamma/macrokata against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmingmamma%2Fmacrokata" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mingmamma/macrokata
[INFO] finished tweaking git repo https://github.com/mingmamma/macrokata
[INFO] tweaked toml for git repo https://github.com/mingmamma/macrokata written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mingmamma/macrokata on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mingmamma/macrokata 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded os_str_bytes v6.4.0
[INFO] [stderr]   Downloaded imara-diff v0.1.5
[INFO] [stderr]   Downloaded clap v4.0.26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 04cef793adefabb27ebbd203b3a0bc0db90cb62f324ad78f29112bbb2528be31
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[INFO] [stdout] 04cef793adefabb27ebbd203b3a0bc0db90cb62f324ad78f29112bbb2528be31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebce23e92d0261278e3636672023c3daa47d724984e1f2026b0901c271869fe4
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[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling ahash v0.8.2
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]     Checking once_cell v1.16.0
[INFO] [stderr]     Checking os_str_bytes v6.4.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking clap_lex v0.3.0
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking imara-diff v0.1.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v4.0.21
[INFO] [stderr]     Checking clap v4.0.26
[INFO] [stderr]     Checking macrokata v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> exercises/09_ambiguity_and_ordering/main.rs:15:24
[INFO] [stdout]    |
[INFO] [stdout] 15 |     UnknownBecauseExpr(i32),
[INFO] [stdout]    |     ------------------ ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NumberType` 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] 15 -     UnknownBecauseExpr(i32),
[INFO] [stdout] 15 +     UnknownBecauseExpr(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `PositiveNumber`, `NegativeNumber`, and `UnknownBecauseBlock` are never constructed
[INFO] [stdout]   --> exercises/09_ambiguity_and_ordering/main.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | enum NumberType {
[INFO] [stdout]    |      ---------- variants in this enum
[INFO] [stdout]  8 |     /// The user wrote a literal, positive number.
[INFO] [stdout]  9 |     PositiveNumber(u32),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 10 |     /// The user wrote a literal, negative number.
[INFO] [stdout] 11 |     NegativeNumber(i32),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 12 |     /// We can't tell if the user's code is positive or negative because it's a block.
[INFO] [stdout] 13 |     UnknownBecauseBlock(i32),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NumberType` 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 `0` is never read
[INFO] [stdout]  --> exercises/09_ambiguity_and_ordering/solutions/main.rs:9:20
[INFO] [stdout]   |
[INFO] [stdout] 9 |     PositiveNumber(u32),
[INFO] [stdout]   |     -------------- ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `NumberType` 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] 9 -     PositiveNumber(u32),
[INFO] [stdout] 9 +     PositiveNumber(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> exercises/09_ambiguity_and_ordering/solutions/main.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 |     NegativeNumber(i32),
[INFO] [stdout]    |     -------------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NumberType` 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] 11 -     NegativeNumber(i32),
[INFO] [stdout] 11 +     NegativeNumber(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> exercises/09_ambiguity_and_ordering/solutions/main.rs:13:25
[INFO] [stdout]    |
[INFO] [stdout] 13 |     UnknownBecauseBlock(i32),
[INFO] [stdout]    |     ------------------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NumberType` 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] 13 -     UnknownBecauseBlock(i32),
[INFO] [stdout] 13 +     UnknownBecauseBlock(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> exercises/09_ambiguity_and_ordering/solutions/main.rs:15:24
[INFO] [stdout]    |
[INFO] [stdout] 15 |     UnknownBecauseExpr(i32),
[INFO] [stdout]    |     ------------------ ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NumberType` 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 -     UnknownBecauseExpr(i32),
[INFO] [stdout] 15 +     UnknownBecauseExpr(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `actual` and `expected` are never read
[INFO] [stdout]   --> src/check.rs:12:28
[INFO] [stdout]    |
[INFO] [stdout] 12 |     DiffFileDoesNotMatch { actual: String, expected: String },
[INFO] [stdout]    |     --------------------   ^^^^^^          ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CheckError` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> exercises/09_ambiguity_and_ordering/main.rs:15:24
[INFO] [stdout]    |
[INFO] [stdout] 15 |     UnknownBecauseExpr(i32),
[INFO] [stdout]    |     ------------------ ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NumberType` 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] 15 -     UnknownBecauseExpr(i32),
[INFO] [stdout] 15 +     UnknownBecauseExpr(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `PositiveNumber`, `NegativeNumber`, and `UnknownBecauseBlock` are never constructed
[INFO] [stdout]   --> exercises/09_ambiguity_and_ordering/main.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | enum NumberType {
[INFO] [stdout]    |      ---------- variants in this enum
[INFO] [stdout]  8 |     /// The user wrote a literal, positive number.
[INFO] [stdout]  9 |     PositiveNumber(u32),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 10 |     /// The user wrote a literal, negative number.
[INFO] [stdout] 11 |     NegativeNumber(i32),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 12 |     /// We can't tell if the user's code is positive or negative because it's a block.
[INFO] [stdout] 13 |     UnknownBecauseBlock(i32),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NumberType` 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 `0` is never read
[INFO] [stdout]  --> exercises/09_ambiguity_and_ordering/solutions/main.rs:9:20
[INFO] [stdout]   |
[INFO] [stdout] 9 |     PositiveNumber(u32),
[INFO] [stdout]   |     -------------- ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `NumberType` 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] 9 -     PositiveNumber(u32),
[INFO] [stdout] 9 +     PositiveNumber(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> exercises/09_ambiguity_and_ordering/solutions/main.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 |     NegativeNumber(i32),
[INFO] [stdout]    |     -------------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NumberType` 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] 11 -     NegativeNumber(i32),
[INFO] [stdout] 11 +     NegativeNumber(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> exercises/09_ambiguity_and_ordering/solutions/main.rs:13:25
[INFO] [stdout]    |
[INFO] [stdout] 13 |     UnknownBecauseBlock(i32),
[INFO] [stdout]    |     ------------------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NumberType` 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] 13 -     UnknownBecauseBlock(i32),
[INFO] [stdout] 13 +     UnknownBecauseBlock(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> exercises/09_ambiguity_and_ordering/solutions/main.rs:15:24
[INFO] [stdout]    |
[INFO] [stdout] 15 |     UnknownBecauseExpr(i32),
[INFO] [stdout]    |     ------------------ ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NumberType` 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 -     UnknownBecauseExpr(i32),
[INFO] [stdout] 15 +     UnknownBecauseExpr(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `actual` and `expected` are never read
[INFO] [stdout]   --> src/check.rs:12:28
[INFO] [stdout]    |
[INFO] [stdout] 12 |     DiffFileDoesNotMatch { actual: String, expected: String },
[INFO] [stdout]    |     --------------------   ^^^^^^          ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CheckError` 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] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.28s
[INFO] running `Command { std: "docker" "inspect" "ebce23e92d0261278e3636672023c3daa47d724984e1f2026b0901c271869fe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebce23e92d0261278e3636672023c3daa47d724984e1f2026b0901c271869fe4", kill_on_drop: false }`
[INFO] [stdout] ebce23e92d0261278e3636672023c3daa47d724984e1f2026b0901c271869fe4
