[INFO] updating cached repository https://github.com/camjackson/rusteroids
[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] e7fad01b5340fd6d16a53ac21d715433a27eefe9
[INFO] testing camjackson/rusteroids against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcamjackson%2Frusteroids" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/camjackson/rusteroids 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/camjackson/rusteroids
[INFO] finished tweaking git repo https://github.com/camjackson/rusteroids
[INFO] tweaked toml for git repo https://github.com/camjackson/rusteroids written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/camjackson/rusteroids 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] [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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] db37d80ebecfe71cf4e6f2f4451804c6493316b68ab0005b4ff033b028d64b4b
[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" "db37d80ebecfe71cf4e6f2f4451804c6493316b68ab0005b4ff033b028d64b4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db37d80ebecfe71cf4e6f2f4451804c6493316b68ab0005b4ff033b028d64b4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db37d80ebecfe71cf4e6f2f4451804c6493316b68ab0005b4ff033b028d64b4b", kill_on_drop: false }`
[INFO] [stdout] db37d80ebecfe71cf4e6f2f4451804c6493316b68ab0005b4ff033b028d64b4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 7f4bc95fbcf9c895646573b04bd718ac27dd76afc852e0e79a2f203091505730
[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" "7f4bc95fbcf9c895646573b04bd718ac27dd76afc852e0e79a2f203091505730", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.35
[INFO] [stderr]    Compiling num-traits v0.1.41
[INFO] [stderr]    Compiling typenum v1.9.0
[INFO] [stderr]    Compiling khronos_api v1.0.1
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling smallvec v0.4.4
[INFO] [stderr]    Compiling ordermap v0.3.4
[INFO] [stderr]    Compiling hamming v0.1.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.5
[INFO] [stderr]    Compiling primal-estimate v0.2.1
[INFO] [stderr]    Compiling allocators v0.1.0 (https://github.com/citybound/citybound#824b389b)
[INFO] [stderr]    Compiling either v1.4.0
[INFO] [stderr]    Compiling serde v1.0.27
[INFO] [stderr]    Compiling xdg v2.1.0
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]    Compiling xml-rs v0.6.1
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling x11-dl v2.17.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling imgui-sys v0.0.15
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling chunky v0.1.0 (https://github.com/citybound/citybound#824b389b)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/citybound-01a382b1dd62b125/824b389/engine/chunky/src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![feature(vec_resize_default)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/citybound-01a382b1dd62b125/824b389/engine/chunky/src/lib.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(conservative_impl_trait)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling phf v0.7.21
[INFO] [stderr]    Compiling primal-bit v0.2.4
[INFO] [stderr]    Compiling itertools v0.7.4
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chunky`.
[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" "7f4bc95fbcf9c895646573b04bd718ac27dd76afc852e0e79a2f203091505730", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f4bc95fbcf9c895646573b04bd718ac27dd76afc852e0e79a2f203091505730", kill_on_drop: false }`
[INFO] [stdout] 7f4bc95fbcf9c895646573b04bd718ac27dd76afc852e0e79a2f203091505730