[INFO] cloning repository https://github.com/andreasots/markov-quote
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andreasots/markov-quote" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandreasots%2Fmarkov-quote", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandreasots%2Fmarkov-quote'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4bb2cc1d93aa34cb59063897c4b1d13d17bcf177
[INFO] checking andreasots/markov-quote against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandreasots%2Fmarkov-quote" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andreasots/markov-quote on toolchain cfbc6d4cf1acbac5c025acf8ed68929caa551df3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/andreasots/markov-quote
[INFO] finished tweaking git repo https://github.com/andreasots/markov-quote
[INFO] tweaked toml for git repo https://github.com/andreasots/markov-quote written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/andreasots/markov-quote already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v0.9.14
[INFO] [stderr]   Downloaded r2d2 v0.7.2
[INFO] [stderr]   Downloaded markov v0.0.32
[INFO] [stderr]   Downloaded serde v0.9.14
[INFO] [stderr]   Downloaded diesel_full_text_search v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "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] 83fb65aeba49e8fca9bcdf3454a8d30ad08fc7381d2e8996871d3d4f351df833
[INFO] running `Command { std: "docker" "start" "-a" "83fb65aeba49e8fca9bcdf3454a8d30ad08fc7381d2e8996871d3d4f351df833", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83fb65aeba49e8fca9bcdf3454a8d30ad08fc7381d2e8996871d3d4f351df833", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83fb65aeba49e8fca9bcdf3454a8d30ad08fc7381d2e8996871d3d4f351df833", kill_on_drop: false }`
[INFO] [stdout] 83fb65aeba49e8fca9bcdf3454a8d30ad08fc7381d2e8996871d3d4f351df833
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4075dfa0198c0fc26ff31c4f1299d8a0b549c60a58f58fbc060eef3c1920189
[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" "e4075dfa0198c0fc26ff31c4f1299d8a0b549c60a58f58fbc060eef3c1920189", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.21
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking num-traits v0.1.37
[INFO] [stderr]    Compiling gcc v0.3.45
[INFO] [stderr]    Compiling pq-sys v0.4.3
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling version_check v0.1.0
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]     Checking matches v0.1.4
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking unicode-normalization v0.1.4
[INFO] [stderr]     Checking log v0.3.7
[INFO] [stderr]     Checking rustc-demangle v0.1.4
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking regex-syntax v0.4.0
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]    Compiling term v0.4.5
[INFO] [stderr]     Checking unidecode v0.2.0
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking serde v0.9.14
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]     Checking httparse v1.2.2
[INFO] [stderr]     Checking dtoa v0.4.1
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]     Checking itoa v0.3.1
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]     Checking pest v0.4.1
[INFO] [stderr]     Checking toml v0.2.1
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]     Checking state v0.2.1
[INFO] [stderr]     Checking humansize v1.0.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/state-0.2.1/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_fn)]
[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 `state`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e4075dfa0198c0fc26ff31c4f1299d8a0b549c60a58f58fbc060eef3c1920189", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4075dfa0198c0fc26ff31c4f1299d8a0b549c60a58f58fbc060eef3c1920189", kill_on_drop: false }`
[INFO] [stdout] e4075dfa0198c0fc26ff31c4f1299d8a0b549c60a58f58fbc060eef3c1920189
