[INFO] cloning repository https://github.com/golddranks/kadouchi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/golddranks/kadouchi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgolddranks%2Fkadouchi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgolddranks%2Fkadouchi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3b230bae30f046fc427ef4cac3f919cb7c0bc1a9
[INFO] testing golddranks/kadouchi against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgolddranks%2Fkadouchi" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/golddranks/kadouchi 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 git repo https://github.com/golddranks/kadouchi
[INFO] finished tweaking git repo https://github.com/golddranks/kadouchi
[INFO] tweaked toml for git repo https://github.com/golddranks/kadouchi written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/golddranks/kadouchi already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] [stdout] 0fba9c6f0fa5f2a626bae096fcee218e87ee9ae77f8505befbd8a61ba2b355f9
[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" "0fba9c6f0fa5f2a626bae096fcee218e87ee9ae77f8505befbd8a61ba2b355f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fba9c6f0fa5f2a626bae096fcee218e87ee9ae77f8505befbd8a61ba2b355f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fba9c6f0fa5f2a626bae096fcee218e87ee9ae77f8505befbd8a61ba2b355f9", kill_on_drop: false }`
[INFO] [stdout] 0fba9c6f0fa5f2a626bae096fcee218e87ee9ae77f8505befbd8a61ba2b355f9
[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] [stdout] b595de5d811317110b1920ea31ebd950a0c7e66359adfdb53754da44a81ef96a
[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" "b595de5d811317110b1920ea31ebd950a0c7e66359adfdb53754da44a81ef96a", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_static v1.0.1
[INFO] [stderr]    Compiling regex v1.0.0
[INFO] [stderr]    Compiling scoped_stack v0.1.0 (https://github.com/golddranks/scoped_stack#0cbf7808)
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling atty v0.2.10
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling regex-syntax v0.6.0
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling nom v4.0.0
[INFO] [stderr]    Compiling env_logger v0.5.10
[INFO] [stderr]    Compiling kadouchi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(nll)]
[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 `kadouchi` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "b595de5d811317110b1920ea31ebd950a0c7e66359adfdb53754da44a81ef96a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b595de5d811317110b1920ea31ebd950a0c7e66359adfdb53754da44a81ef96a", kill_on_drop: false }`
[INFO] [stdout] b595de5d811317110b1920ea31ebd950a0c7e66359adfdb53754da44a81ef96a