[INFO] fetching crate ruly 4.0.0...
[INFO] testing ruly-4.0.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate ruly 4.0.0 into /workspace/builds/worker-83/source
[INFO] validating manifest of crates.io crate ruly 4.0.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ruly 4.0.0
[INFO] finished tweaking crates.io crate ruly 4.0.0
[INFO] tweaked toml for crates.io crate ruly 4.0.0 written to /workspace/builds/worker-83/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pmacro_ruly v2.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d6cabed6d524c3b737adfc35bd42c617e160c2fc9eab38c3e1722e5a2970c7ff
[INFO] running `Command { std: "docker" "start" "-a" "d6cabed6d524c3b737adfc35bd42c617e160c2fc9eab38c3e1722e5a2970c7ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6cabed6d524c3b737adfc35bd42c617e160c2fc9eab38c3e1722e5a2970c7ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6cabed6d524c3b737adfc35bd42c617e160c2fc9eab38c3e1722e5a2970c7ff", kill_on_drop: false }`
[INFO] [stdout] d6cabed6d524c3b737adfc35bd42c617e160c2fc9eab38c3e1722e5a2970c7ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d55d915997935f3a1d6f2257d1f8c92f9bbd204df9edad322da2320c85b1a4eb
[INFO] running `Command { std: "docker" "start" "-a" "d55d915997935f3a1d6f2257d1f8c92f9bbd204df9edad322da2320c85b1a4eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling pmacro_ruly v2.0.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling ruly v4.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.97s
[INFO] running `Command { std: "docker" "inspect" "d55d915997935f3a1d6f2257d1f8c92f9bbd204df9edad322da2320c85b1a4eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d55d915997935f3a1d6f2257d1f8c92f9bbd204df9edad322da2320c85b1a4eb", kill_on_drop: false }`
[INFO] [stdout] d55d915997935f3a1d6f2257d1f8c92f9bbd204df9edad322da2320c85b1a4eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] adf1e2395f1c2398043cb689460def995af7980917a0be6ffcdc8500e79cf897
[INFO] running `Command { std: "docker" "start" "-a" "adf1e2395f1c2398043cb689460def995af7980917a0be6ffcdc8500e79cf897", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ruly v4.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `ReservedWords` should have an upper case name
[INFO] [stdout]    --> src/lib.rs:253:15
[INFO] [stdout]     |
[INFO] [stdout] 253 |         const ReservedWords: [&str; 0 $(  + { $e ; 1 } )* ] = [ $( $e ),* ];
[INFO] [stdout]     |               ^^^^^^^^^^^^^ help: convert the identifier to upper case: `RESERVED_WORDS`
[INFO] [stdout] ...
[INFO] [stdout] 361 |         reserved_words!();
[INFO] [stdout]     |         ----------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `reserved_words` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:363:9
[INFO] [stdout]     |
[INFO] [stdout] 363 | /         add_rule!(
[INFO] [stdout] 364 | |             Nat => Zero ({("Z")})
[INFO] [stdout] 365 | |                 |   Succ ({("S")},{(r"\(")},Nat,{(r"\)")})
[INFO] [stdout] 366 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:363:9
[INFO] [stdout]     |
[INFO] [stdout] 363 | /         add_rule!(
[INFO] [stdout] 364 | |             Nat => Zero ({("Z")})
[INFO] [stdout] 365 | |                 |   Succ ({("S")},{(r"\(")},Nat,{(r"\)")})
[INFO] [stdout] 366 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:363:9
[INFO] [stdout]     |
[INFO] [stdout] 363 | /         add_rule!(
[INFO] [stdout] 364 | |             Nat => Zero ({("Z")})
[INFO] [stdout] 365 | |                 |   Succ ({("S")},{(r"\(")},Nat,{(r"\)")})
[INFO] [stdout] 366 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:363:9
[INFO] [stdout]     |
[INFO] [stdout] 363 | /         add_rule!(
[INFO] [stdout] 364 | |             Nat => Zero ({("Z")})
[INFO] [stdout] 365 | |                 |   Succ ({("S")},{(r"\(")},Nat,{(r"\)")})
[INFO] [stdout] 366 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:363:9
[INFO] [stdout]     |
[INFO] [stdout] 363 | /         add_rule!(
[INFO] [stdout] 364 | |             Nat => Zero ({("Z")})
[INFO] [stdout] 365 | |                 |   Succ ({("S")},{(r"\(")},Nat,{(r"\)")})
[INFO] [stdout] 366 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:363:9
[INFO] [stdout]     |
[INFO] [stdout] 363 | /         add_rule!(
[INFO] [stdout] 364 | |             Nat => Zero ({("Z")})
[INFO] [stdout] 365 | |                 |   Succ ({("S")},{(r"\(")},Nat,{(r"\)")})
[INFO] [stdout] 366 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:363:9
[INFO] [stdout]     |
[INFO] [stdout] 363 | /         add_rule!(
[INFO] [stdout] 364 | |             Nat => Zero ({("Z")})
[INFO] [stdout] 365 | |                 |   Succ ({("S")},{(r"\(")},Nat,{(r"\)")})
[INFO] [stdout] 366 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:363:9
[INFO] [stdout]     |
[INFO] [stdout] 363 | /         add_rule!(
[INFO] [stdout] 364 | |             Nat => Zero ({("Z")})
[INFO] [stdout] 365 | |                 |   Succ ({("S")},{(r"\(")},Nat,{(r"\)")})
[INFO] [stdout] 366 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:368:9
[INFO] [stdout]     |
[INFO] [stdout] 368 | /         add_rule!(
[INFO] [stdout] 369 | |             Judgement => Plus (Nat, {("plus")}, Nat, {("is")}, Nat)
[INFO] [stdout] 370 | |                 |   Times (Nat, {("times")}, Nat, {("is")}, Nat)
[INFO] [stdout] 371 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:368:9
[INFO] [stdout]     |
[INFO] [stdout] 368 | /         add_rule!(
[INFO] [stdout] 369 | |             Judgement => Plus (Nat, {("plus")}, Nat, {("is")}, Nat)
[INFO] [stdout] 370 | |                 |   Times (Nat, {("times")}, Nat, {("is")}, Nat)
[INFO] [stdout] 371 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:368:9
[INFO] [stdout]     |
[INFO] [stdout] 368 | /         add_rule!(
[INFO] [stdout] 369 | |             Judgement => Plus (Nat, {("plus")}, Nat, {("is")}, Nat)
[INFO] [stdout] 370 | |                 |   Times (Nat, {("times")}, Nat, {("is")}, Nat)
[INFO] [stdout] 371 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:368:9
[INFO] [stdout]     |
[INFO] [stdout] 368 | /         add_rule!(
[INFO] [stdout] 369 | |             Judgement => Plus (Nat, {("plus")}, Nat, {("is")}, Nat)
[INFO] [stdout] 370 | |                 |   Times (Nat, {("times")}, Nat, {("is")}, Nat)
[INFO] [stdout] 371 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:368:9
[INFO] [stdout]     |
[INFO] [stdout] 368 | /         add_rule!(
[INFO] [stdout] 369 | |             Judgement => Plus (Nat, {("plus")}, Nat, {("is")}, Nat)
[INFO] [stdout] 370 | |                 |   Times (Nat, {("times")}, Nat, {("is")}, Nat)
[INFO] [stdout] 371 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:368:9
[INFO] [stdout]     |
[INFO] [stdout] 368 | /         add_rule!(
[INFO] [stdout] 369 | |             Judgement => Plus (Nat, {("plus")}, Nat, {("is")}, Nat)
[INFO] [stdout] 370 | |                 |   Times (Nat, {("times")}, Nat, {("is")}, Nat)
[INFO] [stdout] 371 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:368:9
[INFO] [stdout]     |
[INFO] [stdout] 368 | /         add_rule!(
[INFO] [stdout] 369 | |             Judgement => Plus (Nat, {("plus")}, Nat, {("is")}, Nat)
[INFO] [stdout] 370 | |                 |   Times (Nat, {("times")}, Nat, {("is")}, Nat)
[INFO] [stdout] 371 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:368:9
[INFO] [stdout]     |
[INFO] [stdout] 368 | /         add_rule!(
[INFO] [stdout] 369 | |             Judgement => Plus (Nat, {("plus")}, Nat, {("is")}, Nat)
[INFO] [stdout] 370 | |                 |   Times (Nat, {("times")}, Nat, {("is")}, Nat)
[INFO] [stdout] 371 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:368:9
[INFO] [stdout]     |
[INFO] [stdout] 368 | /         add_rule!(
[INFO] [stdout] 369 | |             Judgement => Plus (Nat, {("plus")}, Nat, {("is")}, Nat)
[INFO] [stdout] 370 | |                 |   Times (Nat, {("times")}, Nat, {("is")}, Nat)
[INFO] [stdout] 371 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:368:9
[INFO] [stdout]     |
[INFO] [stdout] 368 | /         add_rule!(
[INFO] [stdout] 369 | |             Judgement => Plus (Nat, {("plus")}, Nat, {("is")}, Nat)
[INFO] [stdout] 370 | |                 |   Times (Nat, {("times")}, Nat, {("is")}, Nat)
[INFO] [stdout] 371 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:368:9
[INFO] [stdout]     |
[INFO] [stdout] 368 | /         add_rule!(
[INFO] [stdout] 369 | |             Judgement => Plus (Nat, {("plus")}, Nat, {("is")}, Nat)
[INFO] [stdout] 370 | |                 |   Times (Nat, {("times")}, Nat, {("is")}, Nat)
[INFO] [stdout] 371 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:368:9
[INFO] [stdout]     |
[INFO] [stdout] 368 | /         add_rule!(
[INFO] [stdout] 369 | |             Judgement => Plus (Nat, {("plus")}, Nat, {("is")}, Nat)
[INFO] [stdout] 370 | |                 |   Times (Nat, {("times")}, Nat, {("is")}, Nat)
[INFO] [stdout] 371 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:368:9
[INFO] [stdout]     |
[INFO] [stdout] 368 | /         add_rule!(
[INFO] [stdout] 369 | |             Judgement => Plus (Nat, {("plus")}, Nat, {("is")}, Nat)
[INFO] [stdout] 370 | |                 |   Times (Nat, {("times")}, Nat, {("is")}, Nat)
[INFO] [stdout] 371 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:368:9
[INFO] [stdout]     |
[INFO] [stdout] 368 | /         add_rule!(
[INFO] [stdout] 369 | |             Judgement => Plus (Nat, {("plus")}, Nat, {("is")}, Nat)
[INFO] [stdout] 370 | |                 |   Times (Nat, {("times")}, Nat, {("is")}, Nat)
[INFO] [stdout] 371 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:368:9
[INFO] [stdout]     |
[INFO] [stdout] 368 | /         add_rule!(
[INFO] [stdout] 369 | |             Judgement => Plus (Nat, {("plus")}, Nat, {("is")}, Nat)
[INFO] [stdout] 370 | |                 |   Times (Nat, {("times")}, Nat, {("is")}, Nat)
[INFO] [stdout] 371 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:368:9
[INFO] [stdout]     |
[INFO] [stdout] 368 | /         add_rule!(
[INFO] [stdout] 369 | |             Judgement => Plus (Nat, {("plus")}, Nat, {("is")}, Nat)
[INFO] [stdout] 370 | |                 |   Times (Nat, {("times")}, Nat, {("is")}, Nat)
[INFO] [stdout] 371 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:368:9
[INFO] [stdout]     |
[INFO] [stdout] 368 | /         add_rule!(
[INFO] [stdout] 369 | |             Judgement => Plus (Nat, {("plus")}, Nat, {("is")}, Nat)
[INFO] [stdout] 370 | |                 |   Times (Nat, {("times")}, Nat, {("is")}, Nat)
[INFO] [stdout] 371 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:368:9
[INFO] [stdout]     |
[INFO] [stdout] 368 | /         add_rule!(
[INFO] [stdout] 369 | |             Judgement => Plus (Nat, {("plus")}, Nat, {("is")}, Nat)
[INFO] [stdout] 370 | |                 |   Times (Nat, {("times")}, Nat, {("is")}, Nat)
[INFO] [stdout] 371 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 27 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.73s
[INFO] running `Command { std: "docker" "inspect" "adf1e2395f1c2398043cb689460def995af7980917a0be6ffcdc8500e79cf897", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adf1e2395f1c2398043cb689460def995af7980917a0be6ffcdc8500e79cf897", kill_on_drop: false }`
[INFO] [stdout] adf1e2395f1c2398043cb689460def995af7980917a0be6ffcdc8500e79cf897
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 39f74f49bc7896a34e6bf95a69c0e8dd9c4a621ea2c2ef771b8579f7ee5b7750
[INFO] running `Command { std: "docker" "start" "-a" "39f74f49bc7896a34e6bf95a69c0e8dd9c4a621ea2c2ef771b8579f7ee5b7750", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: constant `ReservedWords` should have an upper case name
[INFO] [stderr]    --> src/lib.rs:253:15
[INFO] [stderr]     |
[INFO] [stderr] 253 |         const ReservedWords: [&str; 0 $(  + { $e ; 1 } )* ] = [ $( $e ),* ];
[INFO] [stderr]     |               ^^^^^^^^^^^^^ help: convert the identifier to upper case: `RESERVED_WORDS`
[INFO] [stderr] ...
[INFO] [stderr] 361 |         reserved_words!();
[INFO] [stderr]     |         ----------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr]     = note: this warning originates in the macro `reserved_words` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:363:9
[INFO] [stderr]     |
[INFO] [stderr] 363 | /         add_rule!(
[INFO] [stderr] 364 | |             Nat => Zero ({("Z")})
[INFO] [stderr] 365 | |                 |   Succ ({("S")},{(r"\(")},Nat,{(r"\)")})
[INFO] [stderr] 366 | |         );
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:363:9
[INFO] [stderr]     |
[INFO] [stderr] 363 | /         add_rule!(
[INFO] [stderr] 364 | |             Nat => Zero ({("Z")})
[INFO] [stderr] 365 | |                 |   Succ ({("S")},{(r"\(")},Nat,{(r"\)")})
[INFO] [stderr] 366 | |         );
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:368:9
[INFO] [stderr]     |
[INFO] [stderr] 368 | /         add_rule!(
[INFO] [stderr] 369 | |             Judgement => Plus (Nat, {("plus")}, Nat, {("is")}, Nat)
[INFO] [stderr] 370 | |                 |   Times (Nat, {("times")}, Nat, {("is")}, Nat)
[INFO] [stderr] 371 | |         );
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `ruly` (lib test) generated 27 warnings (23 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ruly-65df0c5893876208)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ruly
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "39f74f49bc7896a34e6bf95a69c0e8dd9c4a621ea2c2ef771b8579f7ee5b7750", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39f74f49bc7896a34e6bf95a69c0e8dd9c4a621ea2c2ef771b8579f7ee5b7750", kill_on_drop: false }`
[INFO] [stdout] 39f74f49bc7896a34e6bf95a69c0e8dd9c4a621ea2c2ef771b8579f7ee5b7750