[INFO] cloning repository https://github.com/archer884/cryptid
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/archer884/cryptid" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farcher884%2Fcryptid", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farcher884%2Fcryptid'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0a408f227f1e89cdd244d67e5bb4b966a066386f
[INFO] checking archer884/cryptid against beta-2020-07-24 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farcher884%2Fcryptid" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/archer884/cryptid on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/archer884/cryptid
[INFO] finished tweaking git repo https://github.com/archer884/cryptid
[INFO] tweaked toml for git repo https://github.com/archer884/cryptid written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/archer884/cryptid already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a3817333f4f25469ef7125a4d6d9025366862b6d2028caed82ceec64a225fae2
[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" "a3817333f4f25469ef7125a4d6d9025366862b6d2028caed82ceec64a225fae2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3817333f4f25469ef7125a4d6d9025366862b6d2028caed82ceec64a225fae2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3817333f4f25469ef7125a4d6d9025366862b6d2028caed82ceec64a225fae2", kill_on_drop: false }`
[INFO] [stdout] a3817333f4f25469ef7125a4d6d9025366862b6d2028caed82ceec64a225fae2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4a71f47c550cd631f55586692b1d0f48b8cc998c26fdfce42b9ba58fad0802a
[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" "b4a71f47c550cd631f55586692b1d0f48b8cc998c26fdfce42b9ba58fad0802a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking hashbrown v0.1.0
[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/hashbrown-0.1.0/src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     feature(alloc, allocator_api, ptr_offset_from, test, core_intrinsics)
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `extend` found for enum `core::result::Result<core::alloc::Layout, core::alloc::LayoutErr>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.1.0/src/raw/mod.rs:153:10
[INFO] [stdout]     |
[INFO] [stdout] 153 |     ctrl.extend(data).ok()
[INFO] [stdout]     |          ^^^^^^ method not found in `core::result::Result<core::alloc::Layout, core::alloc::LayoutErr>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hashbrown`.
[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" "b4a71f47c550cd631f55586692b1d0f48b8cc998c26fdfce42b9ba58fad0802a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4a71f47c550cd631f55586692b1d0f48b8cc998c26fdfce42b9ba58fad0802a", kill_on_drop: false }`
[INFO] [stdout] b4a71f47c550cd631f55586692b1d0f48b8cc998c26fdfce42b9ba58fad0802a
