[INFO] fetching crate tinycdb 0.0.7...
[INFO] checking tinycdb-0.0.7 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] extracting crate tinycdb 0.0.7 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate tinycdb 0.0.7 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 175038c695e8bbde486377959e9e7e8f3574a6ad23155fd3ee60e9ac5feb2c27
[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" "175038c695e8bbde486377959e9e7e8f3574a6ad23155fd3ee60e9ac5feb2c27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "175038c695e8bbde486377959e9e7e8f3574a6ad23155fd3ee60e9ac5feb2c27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "175038c695e8bbde486377959e9e7e8f3574a6ad23155fd3ee60e9ac5feb2c27", kill_on_drop: false }`
[INFO] [stdout] 175038c695e8bbde486377959e9e7e8f3574a6ad23155fd3ee60e9ac5feb2c27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 46bc24a42322c3772c7076c92338c902c2b976c3c078ff3b0ac3609070553f4d
[INFO] running `Command { std: "docker" "start" "-a" "46bc24a42322c3772c7076c92338c902c2b976c3c078ff3b0ac3609070553f4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling cc v1.0.58
[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] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.86s
[INFO] running `Command { std: "docker" "inspect" "46bc24a42322c3772c7076c92338c902c2b976c3c078ff3b0ac3609070553f4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46bc24a42322c3772c7076c92338c902c2b976c3c078ff3b0ac3609070553f4d", kill_on_drop: false }`
[INFO] [stdout] 46bc24a42322c3772c7076c92338c902c2b976c3c078ff3b0ac3609070553f4d