[INFO] fetching crate ruly 3.0.0...
[INFO] testing ruly-3.0.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate ruly 3.0.0 into /workspace/builds/worker-57/source
[INFO] validating manifest of crates.io crate ruly 3.0.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ruly 3.0.0
[INFO] finished tweaking crates.io crate ruly 3.0.0
[INFO] tweaked toml for crates.io crate ruly 3.0.0 written to /workspace/builds/worker-57/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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" "+722e1797249a965b6335aebd65d777f917e498f1" "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 v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94543983174da65af3ab96d4df6582a90d8affd596e7036895d5ddd1300f5a67
[INFO] running `Command { std: "docker" "start" "-a" "94543983174da65af3ab96d4df6582a90d8affd596e7036895d5ddd1300f5a67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94543983174da65af3ab96d4df6582a90d8affd596e7036895d5ddd1300f5a67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94543983174da65af3ab96d4df6582a90d8affd596e7036895d5ddd1300f5a67", kill_on_drop: false }`
[INFO] [stdout] 94543983174da65af3ab96d4df6582a90d8affd596e7036895d5ddd1300f5a67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13fab29869604d7784f00ff098d35164b4c5f38f8890d827f89d5716c652dbcd
[INFO] running `Command { std: "docker" "start" "-a" "13fab29869604d7784f00ff098d35164b4c5f38f8890d827f89d5716c652dbcd", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling pmacro_ruly v1.0.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling ruly v3.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.79s
[INFO] running `Command { std: "docker" "inspect" "13fab29869604d7784f00ff098d35164b4c5f38f8890d827f89d5716c652dbcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13fab29869604d7784f00ff098d35164b4c5f38f8890d827f89d5716c652dbcd", kill_on_drop: false }`
[INFO] [stdout] 13fab29869604d7784f00ff098d35164b4c5f38f8890d827f89d5716c652dbcd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d578535da0db89ba5480dfd2bdfba722779f8a23f439ca3599b8debcfdb2b395
[INFO] running `Command { std: "docker" "start" "-a" "d578535da0db89ba5480dfd2bdfba722779f8a23f439ca3599b8debcfdb2b395", kill_on_drop: false }`
[INFO] [stderr]    Compiling ruly v3.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `ReservedWords` should have an upper case name
[INFO] [stdout]    --> src/lib.rs:222:15
[INFO] [stdout]     |
[INFO] [stdout] 222 |         const ReservedWords: [&str; 0 $(  + { $e ; 1 } )* ] = [ $( $e ),* ];
[INFO] [stdout]     |               ^^^^^^^^^^^^^ help: convert the identifier to upper case: `RESERVED_WORDS`
[INFO] [stdout] ...
[INFO] [stdout] 330 |         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:332:9
[INFO] [stdout]     |
[INFO] [stdout] 332 | /         add_rule!(
[INFO] [stdout] 333 | |             Nat => Zero ({("Z")})
[INFO] [stdout] 334 | |                 |   Succ ({("S")},{(r"\(")},Nat,{(r"\)")})
[INFO] [stdout] 335 | |         );
[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:332:9
[INFO] [stdout]     |
[INFO] [stdout] 332 | /         add_rule!(
[INFO] [stdout] 333 | |             Nat => Zero ({("Z")})
[INFO] [stdout] 334 | |                 |   Succ ({("S")},{(r"\(")},Nat,{(r"\)")})
[INFO] [stdout] 335 | |         );
[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:332:9
[INFO] [stdout]     |
[INFO] [stdout] 332 | /         add_rule!(
[INFO] [stdout] 333 | |             Nat => Zero ({("Z")})
[INFO] [stdout] 334 | |                 |   Succ ({("S")},{(r"\(")},Nat,{(r"\)")})
[INFO] [stdout] 335 | |         );
[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:332:9
[INFO] [stdout]     |
[INFO] [stdout] 332 | /         add_rule!(
[INFO] [stdout] 333 | |             Nat => Zero ({("Z")})
[INFO] [stdout] 334 | |                 |   Succ ({("S")},{(r"\(")},Nat,{(r"\)")})
[INFO] [stdout] 335 | |         );
[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:332:9
[INFO] [stdout]     |
[INFO] [stdout] 332 | /         add_rule!(
[INFO] [stdout] 333 | |             Nat => Zero ({("Z")})
[INFO] [stdout] 334 | |                 |   Succ ({("S")},{(r"\(")},Nat,{(r"\)")})
[INFO] [stdout] 335 | |         );
[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:332:9
[INFO] [stdout]     |
[INFO] [stdout] 332 | /         add_rule!(
[INFO] [stdout] 333 | |             Nat => Zero ({("Z")})
[INFO] [stdout] 334 | |                 |   Succ ({("S")},{(r"\(")},Nat,{(r"\)")})
[INFO] [stdout] 335 | |         );
[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:332:9
[INFO] [stdout]     |
[INFO] [stdout] 332 | /         add_rule!(
[INFO] [stdout] 333 | |             Nat => Zero ({("Z")})
[INFO] [stdout] 334 | |                 |   Succ ({("S")},{(r"\(")},Nat,{(r"\)")})
[INFO] [stdout] 335 | |         );
[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:332:9
[INFO] [stdout]     |
[INFO] [stdout] 332 | /         add_rule!(
[INFO] [stdout] 333 | |             Nat => Zero ({("Z")})
[INFO] [stdout] 334 | |                 |   Succ ({("S")},{(r"\(")},Nat,{(r"\)")})
[INFO] [stdout] 335 | |         );
[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:337:9
[INFO] [stdout]     |
[INFO] [stdout] 337 | /         add_rule!(
[INFO] [stdout] 338 | |             Judgement => Plus (Nat, {("plus")}, Nat, {("is")}, Nat)
[INFO] [stdout] 339 | |                 |   Times (Nat, {("times")}, Nat, {("is")}, Nat)
[INFO] [stdout] 340 | |         );
[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:337:9
[INFO] [stdout]     |
[INFO] [stdout] 337 | /         add_rule!(
[INFO] [stdout] 338 | |             Judgement => Plus (Nat, {("plus")}, Nat, {("is")}, Nat)
[INFO] [stdout] 339 | |                 |   Times (Nat, {("times")}, Nat, {("is")}, Nat)
[INFO] [stdout] 340 | |         );
[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:337:9
[INFO] [stdout]     |
[INFO] [stdout] 337 | /         add_rule!(
[INFO] [stdout] 338 | |             Judgement => Plus (Nat, {("plus")}, Nat, {("is")}, Nat)
[INFO] [stdout] 339 | |                 |   Times (Nat, {("times")}, Nat, {("is")}, Nat)
[INFO] [stdout] 340 | |         );
[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:337:9
[INFO] [stdout]     |
[INFO] [stdout] 337 | /         add_rule!(
[INFO] [stdout] 338 | |             Judgement => Plus (Nat, {("plus")}, Nat, {("is")}, Nat)
[INFO] [stdout] 339 | |                 |   Times (Nat, {("times")}, Nat, {("is")}, Nat)
[INFO] [stdout] 340 | |         );
[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:337:9
[INFO] [stdout]     |
[INFO] [stdout] 337 | /         add_rule!(
[INFO] [stdout] 338 | |             Judgement => Plus (Nat, {("plus")}, Nat, {("is")}, Nat)
[INFO] [stdout] 339 | |                 |   Times (Nat, {("times")}, Nat, {("is")}, Nat)
[INFO] [stdout] 340 | |         );
[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:337:9
[INFO] [stdout]     |
[INFO] [stdout] 337 | /         add_rule!(
[INFO] [stdout] 338 | |             Judgement => Plus (Nat, {("plus")}, Nat, {("is")}, Nat)
[INFO] [stdout] 339 | |                 |   Times (Nat, {("times")}, Nat, {("is")}, Nat)
[INFO] [stdout] 340 | |         );
[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:337:9
[INFO] [stdout]     |
[INFO] [stdout] 337 | /         add_rule!(
[INFO] [stdout] 338 | |             Judgement => Plus (Nat, {("plus")}, Nat, {("is")}, Nat)
[INFO] [stdout] 339 | |                 |   Times (Nat, {("times")}, Nat, {("is")}, Nat)
[INFO] [stdout] 340 | |         );
[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:337:9
[INFO] [stdout]     |
[INFO] [stdout] 337 | /         add_rule!(
[INFO] [stdout] 338 | |             Judgement => Plus (Nat, {("plus")}, Nat, {("is")}, Nat)
[INFO] [stdout] 339 | |                 |   Times (Nat, {("times")}, Nat, {("is")}, Nat)
[INFO] [stdout] 340 | |         );
[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:337:9
[INFO] [stdout]     |
[INFO] [stdout] 337 | /         add_rule!(
[INFO] [stdout] 338 | |             Judgement => Plus (Nat, {("plus")}, Nat, {("is")}, Nat)
[INFO] [stdout] 339 | |                 |   Times (Nat, {("times")}, Nat, {("is")}, Nat)
[INFO] [stdout] 340 | |         );
[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:337:9
[INFO] [stdout]     |
[INFO] [stdout] 337 | /         add_rule!(
[INFO] [stdout] 338 | |             Judgement => Plus (Nat, {("plus")}, Nat, {("is")}, Nat)
[INFO] [stdout] 339 | |                 |   Times (Nat, {("times")}, Nat, {("is")}, Nat)
[INFO] [stdout] 340 | |         );
[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:337:9
[INFO] [stdout]     |
[INFO] [stdout] 337 | /         add_rule!(
[INFO] [stdout] 338 | |             Judgement => Plus (Nat, {("plus")}, Nat, {("is")}, Nat)
[INFO] [stdout] 339 | |                 |   Times (Nat, {("times")}, Nat, {("is")}, Nat)
[INFO] [stdout] 340 | |         );
[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:337:9
[INFO] [stdout]     |
[INFO] [stdout] 337 | /         add_rule!(
[INFO] [stdout] 338 | |             Judgement => Plus (Nat, {("plus")}, Nat, {("is")}, Nat)
[INFO] [stdout] 339 | |                 |   Times (Nat, {("times")}, Nat, {("is")}, Nat)
[INFO] [stdout] 340 | |         );
[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:337:9
[INFO] [stdout]     |
[INFO] [stdout] 337 | /         add_rule!(
[INFO] [stdout] 338 | |             Judgement => Plus (Nat, {("plus")}, Nat, {("is")}, Nat)
[INFO] [stdout] 339 | |                 |   Times (Nat, {("times")}, Nat, {("is")}, Nat)
[INFO] [stdout] 340 | |         );
[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:337:9
[INFO] [stdout]     |
[INFO] [stdout] 337 | /         add_rule!(
[INFO] [stdout] 338 | |             Judgement => Plus (Nat, {("plus")}, Nat, {("is")}, Nat)
[INFO] [stdout] 339 | |                 |   Times (Nat, {("times")}, Nat, {("is")}, Nat)
[INFO] [stdout] 340 | |         );
[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:337:9
[INFO] [stdout]     |
[INFO] [stdout] 337 | /         add_rule!(
[INFO] [stdout] 338 | |             Judgement => Plus (Nat, {("plus")}, Nat, {("is")}, Nat)
[INFO] [stdout] 339 | |                 |   Times (Nat, {("times")}, Nat, {("is")}, Nat)
[INFO] [stdout] 340 | |         );
[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:337:9
[INFO] [stdout]     |
[INFO] [stdout] 337 | /         add_rule!(
[INFO] [stdout] 338 | |             Judgement => Plus (Nat, {("plus")}, Nat, {("is")}, Nat)
[INFO] [stdout] 339 | |                 |   Times (Nat, {("times")}, Nat, {("is")}, Nat)
[INFO] [stdout] 340 | |         );
[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:337:9
[INFO] [stdout]     |
[INFO] [stdout] 337 | /         add_rule!(
[INFO] [stdout] 338 | |             Judgement => Plus (Nat, {("plus")}, Nat, {("is")}, Nat)
[INFO] [stdout] 339 | |                 |   Times (Nat, {("times")}, Nat, {("is")}, Nat)
[INFO] [stdout] 340 | |         );
[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:337:9
[INFO] [stdout]     |
[INFO] [stdout] 337 | /         add_rule!(
[INFO] [stdout] 338 | |             Judgement => Plus (Nat, {("plus")}, Nat, {("is")}, Nat)
[INFO] [stdout] 339 | |                 |   Times (Nat, {("times")}, Nat, {("is")}, Nat)
[INFO] [stdout] 340 | |         );
[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 0.94s
[INFO] running `Command { std: "docker" "inspect" "d578535da0db89ba5480dfd2bdfba722779f8a23f439ca3599b8debcfdb2b395", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d578535da0db89ba5480dfd2bdfba722779f8a23f439ca3599b8debcfdb2b395", kill_on_drop: false }`
[INFO] [stdout] d578535da0db89ba5480dfd2bdfba722779f8a23f439ca3599b8debcfdb2b395
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 719bb3dde8d44159094acb85923bb95b5a6ec7129a1e1f7477fbd9d93d6259d6
[INFO] running `Command { std: "docker" "start" "-a" "719bb3dde8d44159094acb85923bb95b5a6ec7129a1e1f7477fbd9d93d6259d6", kill_on_drop: false }`
[INFO] [stderr] warning: constant `ReservedWords` should have an upper case name
[INFO] [stderr]    --> src/lib.rs:222:15
[INFO] [stderr]     |
[INFO] [stderr] 222 |         const ReservedWords: [&str; 0 $(  + { $e ; 1 } )* ] = [ $( $e ),* ];
[INFO] [stderr]     |               ^^^^^^^^^^^^^ help: convert the identifier to upper case: `RESERVED_WORDS`
[INFO] [stderr] ...
[INFO] [stderr] 330 |         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:332:9
[INFO] [stderr]     |
[INFO] [stderr] 332 | /         add_rule!(
[INFO] [stderr] 333 | |             Nat => Zero ({("Z")})
[INFO] [stderr] 334 | |                 |   Succ ({("S")},{(r"\(")},Nat,{(r"\)")})
[INFO] [stderr] 335 | |         );
[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:332:9
[INFO] [stderr]     |
[INFO] [stderr] 332 | /         add_rule!(
[INFO] [stderr] 333 | |             Nat => Zero ({("Z")})
[INFO] [stderr] 334 | |                 |   Succ ({("S")},{(r"\(")},Nat,{(r"\)")})
[INFO] [stderr] 335 | |         );
[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:337:9
[INFO] [stderr]     |
[INFO] [stderr] 337 | /         add_rule!(
[INFO] [stderr] 338 | |             Judgement => Plus (Nat, {("plus")}, Nat, {("is")}, Nat)
[INFO] [stderr] 339 | |                 |   Times (Nat, {("times")}, Nat, {("is")}, Nat)
[INFO] [stderr] 340 | |         );
[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 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ruly-3cfadd34503e143d)
[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" "719bb3dde8d44159094acb85923bb95b5a6ec7129a1e1f7477fbd9d93d6259d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "719bb3dde8d44159094acb85923bb95b5a6ec7129a1e1f7477fbd9d93d6259d6", kill_on_drop: false }`
[INFO] [stdout] 719bb3dde8d44159094acb85923bb95b5a6ec7129a1e1f7477fbd9d93d6259d6