[INFO] fetching crate kdb_c_api 0.1.6...
[INFO] checking kdb_c_api-0.1.6 against master#d93f678fa55842cccd2f091deccd93e9494b3764 for pr-138844
[INFO] extracting crate kdb_c_api 0.1.6 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate kdb_c_api 0.1.6 on toolchain d93f678fa55842cccd2f091deccd93e9494b3764
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d93f678fa55842cccd2f091deccd93e9494b3764" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kdb_c_api 0.1.6
[INFO] finished tweaking crates.io crate kdb_c_api 0.1.6
[INFO] tweaked toml for crates.io crate kdb_c_api 0.1.6 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d93f678fa55842cccd2f091deccd93e9494b3764" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d93f678fa55842cccd2f091deccd93e9494b3764" "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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+d93f678fa55842cccd2f091deccd93e9494b3764" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd3c9e5483e2973188617240c63321c88a2625985a2fe9ee700ff14d5896ab6f
[INFO] running `Command { std: "docker" "start" "-a" "fd3c9e5483e2973188617240c63321c88a2625985a2fe9ee700ff14d5896ab6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd3c9e5483e2973188617240c63321c88a2625985a2fe9ee700ff14d5896ab6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd3c9e5483e2973188617240c63321c88a2625985a2fe9ee700ff14d5896ab6f", kill_on_drop: false }`
[INFO] [stdout] fd3c9e5483e2973188617240c63321c88a2625985a2fe9ee700ff14d5896ab6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+d93f678fa55842cccd2f091deccd93e9494b3764" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cea24f87ee4c436c5e9884162b71301e07691ba85328f94425c925fd546fa930
[INFO] running `Command { std: "docker" "start" "-a" "cea24f87ee4c436c5e9884162b71301e07691ba85328f94425c925fd546fa930", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]     Checking kdb_c_api v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/native.rs:822:35
[INFO] [stdout]     |
[INFO] [stdout] 822 |   pub fn sd1(socket: I, function: extern fn(I) -> K) -> K;
[INFO] [stdout]     |                                   ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]     --> src/lib.rs:2264:47
[INFO] [stdout]      |
[INFO] [stdout] 2264 | pub fn register_callback(socket: I, function: extern fn(I) -> K) -> K{
[INFO] [stdout]      |                                               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]     --> src/lib.rs:2309:10
[INFO] [stdout]      |
[INFO] [stdout] 2309 |   unsafe{Box::from_raw(obj_slice[1])};
[INFO] [stdout]      |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 2309 |   unsafe{let _ = Box::from_raw(obj_slice[1]);};
[INFO] [stdout]      |          +++++++                            +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/native.rs:822:35
[INFO] [stdout]     |
[INFO] [stdout] 822 |   pub fn sd1(socket: I, function: extern fn(I) -> K) -> K;
[INFO] [stdout]     |                                   ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]     --> src/lib.rs:2264:47
[INFO] [stdout]      |
[INFO] [stdout] 2264 | pub fn register_callback(socket: I, function: extern fn(I) -> K) -> K{
[INFO] [stdout]      |                                               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]     --> src/lib.rs:2309:10
[INFO] [stdout]      |
[INFO] [stdout] 2309 |   unsafe{Box::from_raw(obj_slice[1])};
[INFO] [stdout]      |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 2309 |   unsafe{let _ = Box::from_raw(obj_slice[1]);};
[INFO] [stdout]      |          +++++++                            +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "cea24f87ee4c436c5e9884162b71301e07691ba85328f94425c925fd546fa930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cea24f87ee4c436c5e9884162b71301e07691ba85328f94425c925fd546fa930", kill_on_drop: false }`
[INFO] [stdout] cea24f87ee4c436c5e9884162b71301e07691ba85328f94425c925fd546fa930