[INFO] fetching crate tinycdb 0.0.7...
[INFO] checking tinycdb-0.0.7 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate tinycdb 0.0.7 into /workspace/builds/worker-80/source
[INFO] validating manifest of crates.io crate tinycdb 0.0.7 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-80/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--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-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 884f6af9357c7e969bc06c1d4aaac85b64036bc5bcd5d47411f5d06426127e19
[INFO] running `Command { std: "docker" "start" "-a" "884f6af9357c7e969bc06c1d4aaac85b64036bc5bcd5d47411f5d06426127e19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "884f6af9357c7e969bc06c1d4aaac85b64036bc5bcd5d47411f5d06426127e19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "884f6af9357c7e969bc06c1d4aaac85b64036bc5bcd5d47411f5d06426127e19", kill_on_drop: false }`
[INFO] [stdout] 884f6af9357c7e969bc06c1d4aaac85b64036bc5bcd5d47411f5d06426127e19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f21f002d9f6b29d1410009d3cee6e88a6da5ea93a1dc2f6d8038f335ea169a8
[INFO] running `Command { std: "docker" "start" "-a" "0f21f002d9f6b29d1410009d3cee6e88a6da5ea93a1dc2f6d8038f335ea169a8", 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] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling tinycdb-sys v0.0.2
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking tinycdb v0.0.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:171:37
[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 function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:341:38
[INFO] [stdout]     |
[INFO] [stdout] 341 |             cdbm: unsafe { std::mem::uninitialized() },
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `kind`
[INFO] [stdout]   --> src/lib.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     kind: CdbErrorKind,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `message`
[INFO] [stdout]   --> src/lib.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     message: Cow<'static, str>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling lz4-sys v1.9.2
[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]     | |________^
[INFO] [stdout] 560 |             AQMAAAAFAAAAb25lSGVsbG8QAPMEBwAAAHR3b0dvb2RieWUpYIcLEBYECAIAgIFbhwsA\
[INFO] [stdout] 561 |             CAAAAAAAAAXW/+Q="
[INFO] [stdout]     |  ____________________________^
[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] = b"BCJNGERAXl4AAAAxIggAAQAPCAD/MlMCAAAAMlABDwgA//+jAMACE0LAAg8IAP///9jw\
[INFO] [stdout] 559 |           AQMAAAAFAAAAb25lSGVsbG8QAPMEBwAAAHR3b0dvb2RieWUpYIcLEBYECAIAgIFbhwsA\
[INFO] [stdout] 560 ~           CAAAAAAAAAXW/+Q=";
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:171:37
[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 function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:341:38
[INFO] [stdout]     |
[INFO] [stdout] 341 |             cdbm: unsafe { std::mem::uninitialized() },
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `kind`
[INFO] [stdout]   --> src/lib.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     kind: CdbErrorKind,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `message`
[INFO] [stdout]   --> src/lib.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     message: Cow<'static, str>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.58s
[INFO] running `Command { std: "docker" "inspect" "0f21f002d9f6b29d1410009d3cee6e88a6da5ea93a1dc2f6d8038f335ea169a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f21f002d9f6b29d1410009d3cee6e88a6da5ea93a1dc2f6d8038f335ea169a8", kill_on_drop: false }`
[INFO] [stdout] 0f21f002d9f6b29d1410009d3cee6e88a6da5ea93a1dc2f6d8038f335ea169a8