[INFO] fetching crate tinycdb 0.0.7...
[INFO] checking tinycdb-0.0.7 against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] extracting crate tinycdb 0.0.7 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate tinycdb 0.0.7 on toolchain cfbc6d4cf1acbac5c025acf8ed68929caa551df3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tinycdb 0.0.7
[INFO] finished tweaking crates.io crate tinycdb 0.0.7
[INFO] tweaked toml for crates.io crate tinycdb 0.0.7 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tinycdb-sys v0.0.2
[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" "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" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "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] 2f6aadb44f6a52cdf03ce2a9783db046e09cd06dc87fe02cb24f2009e403c480
[INFO] running `Command { std: "docker" "start" "-a" "2f6aadb44f6a52cdf03ce2a9783db046e09cd06dc87fe02cb24f2009e403c480", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f6aadb44f6a52cdf03ce2a9783db046e09cd06dc87fe02cb24f2009e403c480", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f6aadb44f6a52cdf03ce2a9783db046e09cd06dc87fe02cb24f2009e403c480", kill_on_drop: false }`
[INFO] [stdout] 2f6aadb44f6a52cdf03ce2a9783db046e09cd06dc87fe02cb24f2009e403c480
[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" "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" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4cee12a0be4b5943fde7182e0de81c64a78d0f18e5d9850dfe867e577cd2cf2
[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" "f4cee12a0be4b5943fde7182e0de81c64a78d0f18e5d9850dfe867e577cd2cf2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]    Compiling tinycdb-sys v0.0.2
[INFO] [stderr]    Compiling lz4-sys v1.9.2
[INFO] [stderr]     Checking tinycdb v0.0.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:171:27
[INFO] [stdout]     |
[INFO] [stdout] 171 |             cdb: unsafe { std::mem::uninitialized() },
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:341:28
[INFO] [stdout]     |
[INFO] [stdout] 341 |             cdbm: unsafe { std::mem::uninitialized() },
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking lz4 v1.23.2
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lib.rs:558:39
[INFO] [stdout]     |
[INFO] [stdout] 558 |       static HELLO_CDB: &'static [u8] = (
[INFO] [stdout]     |  _______________________________________^
[INFO] [stdout] 559 | |         b"BCJNGERAXl4AAAAxIggAAQAPCAD/MlMCAAAAMlABDwgA//+jAMACE0LAAg8IAP///9jw\
[INFO] [stdout] 560 | |           AQMAAAAFAAAAb25lSGVsbG8QAPMEBwAAAHR3b0dvb2RieWUpYIcLEBYECAIAgIFbhwsA\
[INFO] [stdout] 561 | |           CAAAAAAAAAXW/+Q="
[INFO] [stdout] 562 | |     );
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 558 |     static HELLO_CDB: &'static [u8] = 
[INFO] [stdout] 559 |         b"BCJNGERAXl4AAAAxIggAAQAPCAD/MlMCAAAAMlABDwgA//+jAMACE0LAAg8IAP///9jw\
[INFO] [stdout] 560 |           AQMAAAAFAAAAb25lSGVsbG8QAPMEBwAAAHR3b0dvb2RieWUpYIcLEBYECAIAgIFbhwsA\
[INFO] [stdout] 561 |           CAAAAAAAAAXW/+Q="
[INFO] [stdout] 562 |     ;
[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:171:27
[INFO] [stdout]     |
[INFO] [stdout] 171 |             cdb: unsafe { std::mem::uninitialized() },
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:341:28
[INFO] [stdout]     |
[INFO] [stdout] 341 |             cdbm: unsafe { std::mem::uninitialized() },
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> benches/bench.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[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 `tinycdb`.
[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] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f4cee12a0be4b5943fde7182e0de81c64a78d0f18e5d9850dfe867e577cd2cf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4cee12a0be4b5943fde7182e0de81c64a78d0f18e5d9850dfe867e577cd2cf2", kill_on_drop: false }`
[INFO] [stdout] f4cee12a0be4b5943fde7182e0de81c64a78d0f18e5d9850dfe867e577cd2cf2
