[INFO] cloning repository https://github.com/brdgme/rand-bot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brdgme/rand-bot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrdgme%2Frand-bot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrdgme%2Frand-bot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8730ea063b3bcb971ad4d855685abafd776d1417
[INFO] checking brdgme/rand-bot against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrdgme%2Frand-bot" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/brdgme/rand-bot on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/brdgme/rand-bot
[INFO] finished tweaking git repo https://github.com/brdgme/rand-bot
[INFO] tweaked toml for git repo https://github.com/brdgme/rand-bot written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/brdgme/rand-bot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7f99fbaeb394ba9205fbd426e89aa1b8b969b053e1800f06f36b774d2a12501
[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" "d7f99fbaeb394ba9205fbd426e89aa1b8b969b053e1800f06f36b774d2a12501", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7f99fbaeb394ba9205fbd426e89aa1b8b969b053e1800f06f36b774d2a12501", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7f99fbaeb394ba9205fbd426e89aa1b8b969b053e1800f06f36b774d2a12501", kill_on_drop: false }`
[INFO] [stdout] d7f99fbaeb394ba9205fbd426e89aa1b8b969b053e1800f06f36b774d2a12501
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] 5392980ca342f3c6af3ab57ddcdc49619be00daaaa84685307314073b1d03b08
[INFO] running `Command { std: "docker" "start" "-a" "5392980ca342f3c6af3ab57ddcdc49619be00daaaa84685307314073b1d03b08", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.51
[INFO] [stderr]     Checking serde v1.0.10
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking term_size v0.2.3
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking combine v2.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.10
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.12
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]     Checking serde_json v1.0.2
[INFO] [stderr]     Checking backtrace v0.3.2
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking brdgme-color v0.1.0 (https://github.com/brdgme/color.git#fb12155e)
[INFO] [stderr]     Checking brdgme-markup v0.1.0 (https://github.com/brdgme/markup.git#9440152f)
[INFO] [stderr]     Checking brdgme-game v0.1.0 (https://github.com/brdgme/game.git#439a12d7)
[INFO] [stderr]     Checking brdgme-cmd v0.1.0 (https://github.com/brdgme/cmd.git#e749204e)
[INFO] [stderr]     Checking brdgme-rand-bot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_patterns)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_patterns)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `brdgme-rand-bot`
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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: build failed
[INFO] running `Command { std: "docker" "inspect" "5392980ca342f3c6af3ab57ddcdc49619be00daaaa84685307314073b1d03b08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5392980ca342f3c6af3ab57ddcdc49619be00daaaa84685307314073b1d03b08", kill_on_drop: false }`
[INFO] [stdout] 5392980ca342f3c6af3ab57ddcdc49619be00daaaa84685307314073b1d03b08