[INFO] cloning repository https://github.com/rchaser53/ro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rchaser53/ro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frchaser53%2Fro", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frchaser53%2Fro'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9cc5be6c50cc676cab6fb9783f1b30daeeae3d2e
[INFO] checking rchaser53/ro against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frchaser53%2Fro" "/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/rchaser53/ro 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/rchaser53/ro
[INFO] finished tweaking git repo https://github.com/rchaser53/ro
[INFO] tweaked toml for git repo https://github.com/rchaser53/ro written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/rchaser53/ro 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-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" "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] 6c7d77c33539bf545560c2b5a9e28d8b3e7b342423d64e12a89deabc4cfe2cb6
[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" "6c7d77c33539bf545560c2b5a9e28d8b3e7b342423d64e12a89deabc4cfe2cb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c7d77c33539bf545560c2b5a9e28d8b3e7b342423d64e12a89deabc4cfe2cb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c7d77c33539bf545560c2b5a9e28d8b3e7b342423d64e12a89deabc4cfe2cb6", kill_on_drop: false }`
[INFO] [stdout] 6c7d77c33539bf545560c2b5a9e28d8b3e7b342423d64e12a89deabc4cfe2cb6
[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" "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] [stdout] ef8e9b605fa2786ee3ad6f6d2ef27e7fe280ab4f65162c072c9baeb39f53496f
[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" "ef8e9b605fa2786ee3ad6f6d2ef27e7fe280ab4f65162c072c9baeb39f53496f", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-xid v0.2.0
[INFO] [stderr]     Checking tokio v0.2.11
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking proc-macro2 v1.0.7
[INFO] [stderr]     Checking quote v1.0.2
[INFO] [stderr]     Checking syn v1.0.13
[INFO] [stderr]     Checking ro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(async_closure)]
[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] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(async_closure)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ro`
[INFO] [stdout]  --> tests/smoke.rs:1:3
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[ro::hello]
[INFO] [stdout]   |   ^^ use of undeclared crate or module `ro`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ro`
[INFO] [stdout]  --> tests/smoke.rs:4:3
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[ro::hello]
[INFO] [stdout]   |   ^^ use of undeclared crate or module `ro`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ro`
[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] [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] [stdout] error[E0277]: can't compare `{integer}` with `()`
[INFO] [stdout]  --> tests/smoke.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     assert_eq!(42 + 3, wrapped_function(3));
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no implementation for `{integer} == ()`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `PartialEq<()>` is not implemented for `{integer}`
[INFO] [stdout]   = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: can't compare `{integer}` with `()`
[INFO] [stdout]   --> tests/smoke.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     assert_eq!(42 + 1, wrapped_function2(1));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no implementation for `{integer} == ()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `PartialEq<()>` is not implemented for `{integer}`
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ef8e9b605fa2786ee3ad6f6d2ef27e7fe280ab4f65162c072c9baeb39f53496f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef8e9b605fa2786ee3ad6f6d2ef27e7fe280ab4f65162c072c9baeb39f53496f", kill_on_drop: false }`
[INFO] [stdout] ef8e9b605fa2786ee3ad6f6d2ef27e7fe280ab4f65162c072c9baeb39f53496f