[INFO] crate objrs_frameworks_foundation_macros 0.0.2 is already in cache
[INFO] testing objrs_frameworks_foundation_macros-0.0.2 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate objrs_frameworks_foundation_macros 0.0.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate objrs_frameworks_foundation_macros 0.0.2 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 crates.io crate objrs_frameworks_foundation_macros 0.0.2
[INFO] finished tweaking crates.io crate objrs_frameworks_foundation_macros 0.0.2
[INFO] tweaked toml for crates.io crate objrs_frameworks_foundation_macros 0.0.2 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", 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] a1eaab3501d1cdc73f8ad62b96682acb00ab6e735e2dda9186d024cc660ec3ed
[INFO] running `Command { std: "docker" "start" "-a" "a1eaab3501d1cdc73f8ad62b96682acb00ab6e735e2dda9186d024cc660ec3ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1eaab3501d1cdc73f8ad62b96682acb00ab6e735e2dda9186d024cc660ec3ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1eaab3501d1cdc73f8ad62b96682acb00ab6e735e2dda9186d024cc660ec3ed", kill_on_drop: false }`
[INFO] [stdout] a1eaab3501d1cdc73f8ad62b96682acb00ab6e735e2dda9186d024cc660ec3ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0cf24883c91ff588afc2c3b525911de6f655b07e81018cc33d3bc04690dd764
[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" "b0cf24883c91ff588afc2c3b525911de6f655b07e81018cc33d3bc04690dd764", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling objrs_frameworks_foundation_macros v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(proc_macro_diagnostic)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/lib.rs:28:26
[INFO] [stdout]    |
[INFO] [stdout] 28 |   let mut buf = unsafe { core::mem::uninitialized() };
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `objrs_frameworks_foundation_macros`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "b0cf24883c91ff588afc2c3b525911de6f655b07e81018cc33d3bc04690dd764", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0cf24883c91ff588afc2c3b525911de6f655b07e81018cc33d3bc04690dd764", kill_on_drop: false }`
[INFO] [stdout] b0cf24883c91ff588afc2c3b525911de6f655b07e81018cc33d3bc04690dd764