[INFO] updating cached repository https://github.com/PewPewPewcoding/rengi-torvus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9a9692e8afc57167bf2f2d6745aa62ccefd52947
[INFO] testing PewPewPewcoding/rengi-torvus against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPewPewPewcoding%2Frengi-torvus" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PewPewPewcoding/rengi-torvus on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/PewPewPewcoding/rengi-torvus
[INFO] finished tweaking git repo https://github.com/PewPewPewcoding/rengi-torvus
[INFO] tweaked toml for git repo https://github.com/PewPewPewcoding/rengi-torvus written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/PewPewPewcoding/rengi-torvus already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 881aba5e392e8317b977ec021e90f9fa01a123d9641da18c207657aba052a774
[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" "881aba5e392e8317b977ec021e90f9fa01a123d9641da18c207657aba052a774", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "881aba5e392e8317b977ec021e90f9fa01a123d9641da18c207657aba052a774", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "881aba5e392e8317b977ec021e90f9fa01a123d9641da18c207657aba052a774", kill_on_drop: false }`
[INFO] [stdout] 881aba5e392e8317b977ec021e90f9fa01a123d9641da18c207657aba052a774
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8c435cf4732757acf0fce66e292f12c0f43b4911ff85cf08b5ca6afee0090cf
[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" "a8c435cf4732757acf0fce66e292f12c0f43b4911ff85cf08b5ca6afee0090cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling sum_type v0.1.1
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling lz4-compress v0.1.1
[INFO] [stderr]    Compiling vek v0.9.7
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling crossbeam-deque v0.5.2
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling derivative v1.0.2
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sum_type-0.1.1/src/lib.rs:181:35
[INFO] [stdout]     |
[INFO] [stdout] 181 | #![cfg_attr(feature = "try_from", feature(try_from))]
[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 `sum_type`.
[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" "a8c435cf4732757acf0fce66e292f12c0f43b4911ff85cf08b5ca6afee0090cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8c435cf4732757acf0fce66e292f12c0f43b4911ff85cf08b5ca6afee0090cf", kill_on_drop: false }`
[INFO] [stdout] a8c435cf4732757acf0fce66e292f12c0f43b4911ff85cf08b5ca6afee0090cf