[INFO] fetching crate metaphone 0.1.1...
[INFO] testing metaphone-0.1.1 against 1.59.0 for beta-1.60-1
[INFO] extracting crate metaphone 0.1.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate metaphone 0.1.1 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 metaphone 0.1.1
[INFO] finished tweaking crates.io crate metaphone 0.1.1
[INFO] tweaked toml for crates.io crate metaphone 0.1.1 written to /workspace/builds/worker-14/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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stdout] ca9035982f689a6dc1567ada2f5114454fb7a72d322de4df482b9e3f6a618d42
[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" "ca9035982f689a6dc1567ada2f5114454fb7a72d322de4df482b9e3f6a618d42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca9035982f689a6dc1567ada2f5114454fb7a72d322de4df482b9e3f6a618d42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca9035982f689a6dc1567ada2f5114454fb7a72d322de4df482b9e3f6a618d42", kill_on_drop: false }`
[INFO] [stdout] ca9035982f689a6dc1567ada2f5114454fb7a72d322de4df482b9e3f6a618d42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 1b3c5d33b7f1f401d97757fbeaa26942199063d6b00413389210c6c3d5b69681
[INFO] running `Command { std: "docker" "start" "-a" "1b3c5d33b7f1f401d97757fbeaa26942199063d6b00413389210c6c3d5b69681", kill_on_drop: false }`
[INFO] [stderr]    Compiling metaphone v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RulesRussian` should have an upper case name
[INFO] [stdout]   --> src/lib.rs:53:16
[INFO] [stdout]    |
[INFO] [stdout] 53 |     static ref RulesRussian: Vec<Rule> = vec![
[INFO] [stdout]    |                ^^^^^^^^^^^^ help: convert the identifier to upper case: `RULES_RUSSIAN`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RulesUkrainian` should have an upper case name
[INFO] [stdout]   --> src/lib.rs:74:16
[INFO] [stdout]    |
[INFO] [stdout] 74 |     static ref RulesUkrainian: Vec<Rule> = vec![rule_re! { r"[ІЇ]" => "И" },];
[INFO] [stdout]    |                ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `RULES_UKRAINIAN`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `metaphone` due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "1b3c5d33b7f1f401d97757fbeaa26942199063d6b00413389210c6c3d5b69681", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b3c5d33b7f1f401d97757fbeaa26942199063d6b00413389210c6c3d5b69681", kill_on_drop: false }`
[INFO] [stdout] 1b3c5d33b7f1f401d97757fbeaa26942199063d6b00413389210c6c3d5b69681