[INFO] fetching crate yeslogic-ucd-generate 0.5.0...
[INFO] checking yeslogic-ucd-generate-0.5.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate yeslogic-ucd-generate 0.5.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate yeslogic-ucd-generate 0.5.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate yeslogic-ucd-generate 0.5.0
[INFO] finished tweaking crates.io crate yeslogic-ucd-generate 0.5.0
[INFO] tweaked toml for crates.io crate yeslogic-ucd-generate 0.5.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate yeslogic-ucd-generate 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aff88b4b1333c5612b0abdfc3e40bd8aff58ea5710b1acd988f338d466aba05f
[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" "aff88b4b1333c5612b0abdfc3e40bd8aff58ea5710b1acd988f338d466aba05f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aff88b4b1333c5612b0abdfc3e40bd8aff58ea5710b1acd988f338d466aba05f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aff88b4b1333c5612b0abdfc3e40bd8aff58ea5710b1acd988f338d466aba05f", kill_on_drop: false }`
[INFO] [stdout] aff88b4b1333c5612b0abdfc3e40bd8aff58ea5710b1acd988f338d466aba05f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--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] da29c8f0a79bf09846289e482342c9c9093cee363c81ac5b3a48256e0619c4e7
[INFO] running `Command { std: "docker" "start" "-a" "da29c8f0a79bf09846289e482342c9c9093cee363c81ac5b3a48256e0619c4e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling fst v0.4.0
[INFO] [stderr]     Checking regex v1.3.5
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking yeslogic-ucd-parse v0.1.8
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking yeslogic-ucd-generate v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> benches/bench.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `yeslogic-ucd-generate` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "da29c8f0a79bf09846289e482342c9c9093cee363c81ac5b3a48256e0619c4e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da29c8f0a79bf09846289e482342c9c9093cee363c81ac5b3a48256e0619c4e7", kill_on_drop: false }`
[INFO] [stdout] da29c8f0a79bf09846289e482342c9c9093cee363c81ac5b3a48256e0619c4e7
