[INFO] cloning repository https://github.com/tfpk/macrokata
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tfpk/macrokata" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftfpk%2Fmacrokata", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftfpk%2Fmacrokata'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a01b5d9f9269c9756b656fb54aa0b1c7b7be3484
[INFO] checking tfpk/macrokata against 1.95.0-beta.7 for beta-1.95-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftfpk%2Fmacrokata" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tfpk/macrokata
[INFO] finished tweaking git repo https://github.com/tfpk/macrokata
[INFO] tweaked toml for git repo https://github.com/tfpk/macrokata written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tfpk/macrokata on toolchain 1.95.0-beta.7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0-beta.7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tfpk/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-beta.7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap_derive v4.0.21
[INFO] [stderr]   Downloaded os_str_bytes v6.4.0
[INFO] [stderr]   Downloaded clap_lex v0.3.0
[INFO] [stderr]   Downloaded clap v4.0.26
[INFO] [stderr]   Downloaded imara-diff v0.1.5
[INFO] [stderr]   Downloaded ahash v0.8.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+1.95.0-beta.7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 297aa608dd0f5fe5edcefe202f7b07ee9cd901d93302007cc149c321e9016abe
[INFO] running `Command { std: "docker" "start" "-a" "297aa608dd0f5fe5edcefe202f7b07ee9cd901d93302007cc149c321e9016abe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "297aa608dd0f5fe5edcefe202f7b07ee9cd901d93302007cc149c321e9016abe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "297aa608dd0f5fe5edcefe202f7b07ee9cd901d93302007cc149c321e9016abe", kill_on_drop: false }`
[INFO] [stdout] 297aa608dd0f5fe5edcefe202f7b07ee9cd901d93302007cc149c321e9016abe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0-beta.7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2bf9d3324fb90bee3a6edfc80a3047c2ff882e1be7f93d8d05dc6d613fc83613
[INFO] running `Command { std: "docker" "start" "-a" "2bf9d3324fb90bee3a6edfc80a3047c2ff882e1be7f93d8d05dc6d613fc83613", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling ahash v0.8.2
[INFO] [stderr]     Checking once_cell v1.16.0
[INFO] [stderr]     Checking os_str_bytes v6.4.0
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking clap_lex v0.3.0
[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 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] error: cannot find macro `num` in this scope
[INFO] [stdout]   --> exercises/02_numbers/main.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 |     print_result(num!(one) + num!(two) + num!(three));
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `num` in this scope
[INFO] [stdout]   --> exercises/02_numbers/main.rs:12:30
[INFO] [stdout]    |
[INFO] [stdout] 12 |     print_result(num!(one) + num!(two) + num!(three));
[INFO] [stdout]    |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `num` in this scope
[INFO] [stdout]   --> exercises/02_numbers/main.rs:12:42
[INFO] [stdout]    |
[INFO] [stdout] 12 |     print_result(num!(one) + num!(two) + num!(three));
[INFO] [stdout]    |                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `macrokata` (bin "02_numbers") due to 3 previous errors
[INFO] [stdout] error: cannot find macro `number` in this scope
[INFO] [stdout]   --> exercises/10_macros_calling_macros/main.rs:42:27
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let my_other_number = number!(one two four six eight zero).parse::<u32>().unwrap();
[INFO] [stdout]    |                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: cannot find macro `number` in this scope
[INFO] [stdout]   --> exercises/10_macros_calling_macros/main.rs:41:21
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let my_number = number!(nine three seven two zero).parse::<u32>().unwrap();
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `macrokata` (bin "10_macros_calling_macros") due to 2 previous errors; 1 warning emitted
[INFO] [stdout] warning: unused macro definition: `digit`
[INFO] [stdout]  --> exercises/10_macros_calling_macros/main.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | macro_rules! digit {
[INFO] [stdout]   |              ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_macros)]` (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/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] error: cannot find macro `if_any` in this scope
[INFO] [stdout]   --> exercises/06_repetition/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     if_any!(false, 0 == 1, true; {
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `macrokata` (bin "06_repetition") due to 1 previous error
[INFO] [stdout] error: cannot find macro `hashmap` in this scope
[INFO] [stdout]   --> exercises/07_more_repetition/main.rs:15:22
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let my_hashmap = hashmap!(
[INFO] [stdout]    |                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `macrokata` (bin "07_more_repetition") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "2bf9d3324fb90bee3a6edfc80a3047c2ff882e1be7f93d8d05dc6d613fc83613", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bf9d3324fb90bee3a6edfc80a3047c2ff882e1be7f93d8d05dc6d613fc83613", kill_on_drop: false }`
[INFO] [stdout] 2bf9d3324fb90bee3a6edfc80a3047c2ff882e1be7f93d8d05dc6d613fc83613