[INFO] fetching crate ruly 4.1.0...
[INFO] testing ruly-4.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate ruly 4.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate ruly 4.1.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ruly 4.1.0
[INFO] finished tweaking crates.io crate ruly 4.1.0
[INFO] tweaked toml for crates.io crate ruly 4.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bff72e87f45885f462b1cca5561c4a2dc52fac5028e33bb415a7509c63f9572b
[INFO] running `Command { std: "docker" "start" "-a" "bff72e87f45885f462b1cca5561c4a2dc52fac5028e33bb415a7509c63f9572b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bff72e87f45885f462b1cca5561c4a2dc52fac5028e33bb415a7509c63f9572b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bff72e87f45885f462b1cca5561c4a2dc52fac5028e33bb415a7509c63f9572b", kill_on_drop: false }`
[INFO] [stdout] bff72e87f45885f462b1cca5561c4a2dc52fac5028e33bb415a7509c63f9572b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f71fa2ecd60a4a6e2c4971fca9e2ed44053c6ea93416161d9983239e7c8b5dcd
[INFO] running `Command { std: "docker" "start" "-a" "f71fa2ecd60a4a6e2c4971fca9e2ed44053c6ea93416161d9983239e7c8b5dcd", kill_on_drop: false }`
[INFO] [stderr]    Compiling pmacro_ruly v2.1.0
[INFO] [stderr]    Compiling ruly v4.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.03s
[INFO] running `Command { std: "docker" "inspect" "f71fa2ecd60a4a6e2c4971fca9e2ed44053c6ea93416161d9983239e7c8b5dcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f71fa2ecd60a4a6e2c4971fca9e2ed44053c6ea93416161d9983239e7c8b5dcd", kill_on_drop: false }`
[INFO] [stdout] f71fa2ecd60a4a6e2c4971fca9e2ed44053c6ea93416161d9983239e7c8b5dcd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8cd7d4a36065269cf37cee4b8ac86c461e0b4269314fcb68d765f35eb7d0a32b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8cd7d4a36065269cf37cee4b8ac86c461e0b4269314fcb68d765f35eb7d0a32b", kill_on_drop: false }`
[INFO] [stderr]    Compiling ruly v4.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `ReservedWords` should have an upper case name
[INFO] [stdout]    --> src/lib.rs:195:15
[INFO] [stdout]     |
[INFO] [stdout] 195 |         const ReservedWords: [&str; 0 $(  + { $e ; 1 } )* ] = [ $( $e ),* ];
[INFO] [stdout]     |               ^^^^^^^^^^^^^ help: convert the identifier to upper case: `RESERVED_WORDS`
[INFO] [stdout] ...
[INFO] [stdout] 303 |         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:305:9
[INFO] [stdout]     |
[INFO] [stdout] 305 | /         add_rule!(
[INFO] [stdout] 306 | |             Nat => Zero ({("Z")})
[INFO] [stdout] 307 | |                 |   Succ ({("S")},{(r"\(")},Nat,{(r"\)")})
[INFO] [stdout] 308 | |         );
[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:305:9
[INFO] [stdout]     |
[INFO] [stdout] 305 | /         add_rule!(
[INFO] [stdout] 306 | |             Nat => Zero ({("Z")})
[INFO] [stdout] 307 | |                 |   Succ ({("S")},{(r"\(")},Nat,{(r"\)")})
[INFO] [stdout] 308 | |         );
[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:305:9
[INFO] [stdout]     |
[INFO] [stdout] 305 | /         add_rule!(
[INFO] [stdout] 306 | |             Nat => Zero ({("Z")})
[INFO] [stdout] 307 | |                 |   Succ ({("S")},{(r"\(")},Nat,{(r"\)")})
[INFO] [stdout] 308 | |         );
[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:305:9
[INFO] [stdout]     |
[INFO] [stdout] 305 | /         add_rule!(
[INFO] [stdout] 306 | |             Nat => Zero ({("Z")})
[INFO] [stdout] 307 | |                 |   Succ ({("S")},{(r"\(")},Nat,{(r"\)")})
[INFO] [stdout] 308 | |         );
[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:305:9
[INFO] [stdout]     |
[INFO] [stdout] 305 | /         add_rule!(
[INFO] [stdout] 306 | |             Nat => Zero ({("Z")})
[INFO] [stdout] 307 | |                 |   Succ ({("S")},{(r"\(")},Nat,{(r"\)")})
[INFO] [stdout] 308 | |         );
[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:305:9
[INFO] [stdout]     |
[INFO] [stdout] 305 | /         add_rule!(
[INFO] [stdout] 306 | |             Nat => Zero ({("Z")})
[INFO] [stdout] 307 | |                 |   Succ ({("S")},{(r"\(")},Nat,{(r"\)")})
[INFO] [stdout] 308 | |         );
[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:305:9
[INFO] [stdout]     |
[INFO] [stdout] 305 | /         add_rule!(
[INFO] [stdout] 306 | |             Nat => Zero ({("Z")})
[INFO] [stdout] 307 | |                 |   Succ ({("S")},{(r"\(")},Nat,{(r"\)")})
[INFO] [stdout] 308 | |         );
[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:305:9
[INFO] [stdout]     |
[INFO] [stdout] 305 | /         add_rule!(
[INFO] [stdout] 306 | |             Nat => Zero ({("Z")})
[INFO] [stdout] 307 | |                 |   Succ ({("S")},{(r"\(")},Nat,{(r"\)")})
[INFO] [stdout] 308 | |         );
[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:310:9
[INFO] [stdout]     |
[INFO] [stdout] 310 | /         add_rule!(
[INFO] [stdout] 311 | |             Judgement => Plus (Nat, {("plus")}, Nat, {("is")}, Nat)
[INFO] [stdout] 312 | |                 |   Times (Nat, {("times")}, Nat, {("is")}, Nat)
[INFO] [stdout] 313 | |         );
[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:310:9
[INFO] [stdout]     |
[INFO] [stdout] 310 | /         add_rule!(
[INFO] [stdout] 311 | |             Judgement => Plus (Nat, {("plus")}, Nat, {("is")}, Nat)
[INFO] [stdout] 312 | |                 |   Times (Nat, {("times")}, Nat, {("is")}, Nat)
[INFO] [stdout] 313 | |         );
[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:310:9
[INFO] [stdout]     |
[INFO] [stdout] 310 | /         add_rule!(
[INFO] [stdout] 311 | |             Judgement => Plus (Nat, {("plus")}, Nat, {("is")}, Nat)
[INFO] [stdout] 312 | |                 |   Times (Nat, {("times")}, Nat, {("is")}, Nat)
[INFO] [stdout] 313 | |         );
[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:310:9
[INFO] [stdout]     |
[INFO] [stdout] 310 | /         add_rule!(
[INFO] [stdout] 311 | |             Judgement => Plus (Nat, {("plus")}, Nat, {("is")}, Nat)
[INFO] [stdout] 312 | |                 |   Times (Nat, {("times")}, Nat, {("is")}, Nat)
[INFO] [stdout] 313 | |         );
[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:310:9
[INFO] [stdout]     |
[INFO] [stdout] 310 | /         add_rule!(
[INFO] [stdout] 311 | |             Judgement => Plus (Nat, {("plus")}, Nat, {("is")}, Nat)
[INFO] [stdout] 312 | |                 |   Times (Nat, {("times")}, Nat, {("is")}, Nat)
[INFO] [stdout] 313 | |         );
[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:310:9
[INFO] [stdout]     |
[INFO] [stdout] 310 | /         add_rule!(
[INFO] [stdout] 311 | |             Judgement => Plus (Nat, {("plus")}, Nat, {("is")}, Nat)
[INFO] [stdout] 312 | |                 |   Times (Nat, {("times")}, Nat, {("is")}, Nat)
[INFO] [stdout] 313 | |         );
[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:310:9
[INFO] [stdout]     |
[INFO] [stdout] 310 | /         add_rule!(
[INFO] [stdout] 311 | |             Judgement => Plus (Nat, {("plus")}, Nat, {("is")}, Nat)
[INFO] [stdout] 312 | |                 |   Times (Nat, {("times")}, Nat, {("is")}, Nat)
[INFO] [stdout] 313 | |         );
[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:310:9
[INFO] [stdout]     |
[INFO] [stdout] 310 | /         add_rule!(
[INFO] [stdout] 311 | |             Judgement => Plus (Nat, {("plus")}, Nat, {("is")}, Nat)
[INFO] [stdout] 312 | |                 |   Times (Nat, {("times")}, Nat, {("is")}, Nat)
[INFO] [stdout] 313 | |         );
[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:310:9
[INFO] [stdout]     |
[INFO] [stdout] 310 | /         add_rule!(
[INFO] [stdout] 311 | |             Judgement => Plus (Nat, {("plus")}, Nat, {("is")}, Nat)
[INFO] [stdout] 312 | |                 |   Times (Nat, {("times")}, Nat, {("is")}, Nat)
[INFO] [stdout] 313 | |         );
[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:310:9
[INFO] [stdout]     |
[INFO] [stdout] 310 | /         add_rule!(
[INFO] [stdout] 311 | |             Judgement => Plus (Nat, {("plus")}, Nat, {("is")}, Nat)
[INFO] [stdout] 312 | |                 |   Times (Nat, {("times")}, Nat, {("is")}, Nat)
[INFO] [stdout] 313 | |         );
[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:310:9
[INFO] [stdout]     |
[INFO] [stdout] 310 | /         add_rule!(
[INFO] [stdout] 311 | |             Judgement => Plus (Nat, {("plus")}, Nat, {("is")}, Nat)
[INFO] [stdout] 312 | |                 |   Times (Nat, {("times")}, Nat, {("is")}, Nat)
[INFO] [stdout] 313 | |         );
[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:310:9
[INFO] [stdout]     |
[INFO] [stdout] 310 | /         add_rule!(
[INFO] [stdout] 311 | |             Judgement => Plus (Nat, {("plus")}, Nat, {("is")}, Nat)
[INFO] [stdout] 312 | |                 |   Times (Nat, {("times")}, Nat, {("is")}, Nat)
[INFO] [stdout] 313 | |         );
[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:310:9
[INFO] [stdout]     |
[INFO] [stdout] 310 | /         add_rule!(
[INFO] [stdout] 311 | |             Judgement => Plus (Nat, {("plus")}, Nat, {("is")}, Nat)
[INFO] [stdout] 312 | |                 |   Times (Nat, {("times")}, Nat, {("is")}, Nat)
[INFO] [stdout] 313 | |         );
[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:310:9
[INFO] [stdout]     |
[INFO] [stdout] 310 | /         add_rule!(
[INFO] [stdout] 311 | |             Judgement => Plus (Nat, {("plus")}, Nat, {("is")}, Nat)
[INFO] [stdout] 312 | |                 |   Times (Nat, {("times")}, Nat, {("is")}, Nat)
[INFO] [stdout] 313 | |         );
[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:310:9
[INFO] [stdout]     |
[INFO] [stdout] 310 | /         add_rule!(
[INFO] [stdout] 311 | |             Judgement => Plus (Nat, {("plus")}, Nat, {("is")}, Nat)
[INFO] [stdout] 312 | |                 |   Times (Nat, {("times")}, Nat, {("is")}, Nat)
[INFO] [stdout] 313 | |         );
[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:310:9
[INFO] [stdout]     |
[INFO] [stdout] 310 | /         add_rule!(
[INFO] [stdout] 311 | |             Judgement => Plus (Nat, {("plus")}, Nat, {("is")}, Nat)
[INFO] [stdout] 312 | |                 |   Times (Nat, {("times")}, Nat, {("is")}, Nat)
[INFO] [stdout] 313 | |         );
[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:310:9
[INFO] [stdout]     |
[INFO] [stdout] 310 | /         add_rule!(
[INFO] [stdout] 311 | |             Judgement => Plus (Nat, {("plus")}, Nat, {("is")}, Nat)
[INFO] [stdout] 312 | |                 |   Times (Nat, {("times")}, Nat, {("is")}, Nat)
[INFO] [stdout] 313 | |         );
[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:310:9
[INFO] [stdout]     |
[INFO] [stdout] 310 | /         add_rule!(
[INFO] [stdout] 311 | |             Judgement => Plus (Nat, {("plus")}, Nat, {("is")}, Nat)
[INFO] [stdout] 312 | |                 |   Times (Nat, {("times")}, Nat, {("is")}, Nat)
[INFO] [stdout] 313 | |         );
[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 2.04s
[INFO] running `Command { std: "docker" "inspect" "8cd7d4a36065269cf37cee4b8ac86c461e0b4269314fcb68d765f35eb7d0a32b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cd7d4a36065269cf37cee4b8ac86c461e0b4269314fcb68d765f35eb7d0a32b", kill_on_drop: false }`
[INFO] [stdout] 8cd7d4a36065269cf37cee4b8ac86c461e0b4269314fcb68d765f35eb7d0a32b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0c63338ddff15b1775e5c5b01ea6b09b8be576faf89aeb0696bb74bc66fdd457
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0c63338ddff15b1775e5c5b01ea6b09b8be576faf89aeb0696bb74bc66fdd457", kill_on_drop: false }`
[INFO] [stderr] warning: constant `ReservedWords` should have an upper case name
[INFO] [stderr]    --> src/lib.rs:195:15
[INFO] [stderr]     |
[INFO] [stderr] 195 |         const ReservedWords: [&str; 0 $(  + { $e ; 1 } )* ] = [ $( $e ),* ];
[INFO] [stderr]     |               ^^^^^^^^^^^^^ help: convert the identifier to upper case: `RESERVED_WORDS`
[INFO] [stderr] ...
[INFO] [stderr] 303 |         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:305:9
[INFO] [stderr]     |
[INFO] [stderr] 305 | /         add_rule!(
[INFO] [stderr] 306 | |             Nat => Zero ({("Z")})
[INFO] [stderr] 307 | |                 |   Succ ({("S")},{(r"\(")},Nat,{(r"\)")})
[INFO] [stderr] 308 | |         );
[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:305:9
[INFO] [stderr]     |
[INFO] [stderr] 305 | /         add_rule!(
[INFO] [stderr] 306 | |             Nat => Zero ({("Z")})
[INFO] [stderr] 307 | |                 |   Succ ({("S")},{(r"\(")},Nat,{(r"\)")})
[INFO] [stderr] 308 | |         );
[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:310:9
[INFO] [stderr]     |
[INFO] [stderr] 310 | /         add_rule!(
[INFO] [stderr] 311 | |             Judgement => Plus (Nat, {("plus")}, Nat, {("is")}, Nat)
[INFO] [stderr] 312 | |                 |   Times (Nat, {("times")}, Nat, {("is")}, Nat)
[INFO] [stderr] 313 | |         );
[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 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ruly-a23ebc397095b723)
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests ruly
[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 0.02s
[INFO] [stdout] 
[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" "0c63338ddff15b1775e5c5b01ea6b09b8be576faf89aeb0696bb74bc66fdd457", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c63338ddff15b1775e5c5b01ea6b09b8be576faf89aeb0696bb74bc66fdd457", kill_on_drop: false }`
[INFO] [stdout] 0c63338ddff15b1775e5c5b01ea6b09b8be576faf89aeb0696bb74bc66fdd457