[INFO] fetching crate libcoap-sys 0.2.2+libcoap-4.3.1...
[INFO] checking libcoap-sys-0.2.2+libcoap-4.3.1 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate libcoap-sys 0.2.2+libcoap-4.3.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate libcoap-sys 0.2.2+libcoap-4.3.1
[INFO] finished tweaking crates.io crate libcoap-sys 0.2.2+libcoap-4.3.1
[INFO] tweaked toml for crates.io crate libcoap-sys 0.2.2+libcoap-4.3.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate libcoap-sys 0.2.2+libcoap-4.3.1 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 85 packages to latest compatible versions
[INFO] [stderr]       Adding bindgen v0.65.1 (available: v0.72.1)
[INFO] [stderr]       Adding tinydtls-sys v0.1.2+tinydtls-c84e36f (available: v0.2.0+tinydtls-9d6cf54)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b3c378c336a03af974a777e70aa2cdefa9663fdae343d7e785828ef8e4e163d
[INFO] running `Command { std: "docker" "start" "-a" "6b3c378c336a03af974a777e70aa2cdefa9663fdae343d7e785828ef8e4e163d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b3c378c336a03af974a777e70aa2cdefa9663fdae343d7e785828ef8e4e163d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b3c378c336a03af974a777e70aa2cdefa9663fdae343d7e785828ef8e4e163d", kill_on_drop: false }`
[INFO] [stdout] 6b3c378c336a03af974a777e70aa2cdefa9663fdae343d7e785828ef8e4e163d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a018f679cbe307ea9aa7235b154da7a95e7679daf63c60810a40615a45dc28e
[INFO] running `Command { std: "docker" "start" "-a" "5a018f679cbe307ea9aa7235b154da7a95e7679daf63c60810a40615a45dc28e", kill_on_drop: false }`
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling regex-automata v0.4.10
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling bindgen v0.65.1
[INFO] [stderr]    Compiling autotools v0.2.7
[INFO] [stderr]    Compiling regex v1.11.2
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling libcoap-sys v0.2.2+libcoap-4.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/lib.rs:289:13
[INFO] [stdout]     |
[INFO] [stdout] 289 |             std::mem::drop(context);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^-------^
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            argument has type `*mut coap_context_t`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 289 -             std::mem::drop(context);
[INFO] [stdout] 289 +             let _ = context;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/lib.rs:290:13
[INFO] [stdout]     |
[INFO] [stdout] 290 |             std::mem::drop(test_resource);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^-------------^
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            argument has type `*mut coap_resource_t`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 290 -             std::mem::drop(test_resource);
[INFO] [stdout] 290 +             let _ = test_resource;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/lib.rs:374:13
[INFO] [stdout]     |
[INFO] [stdout] 374 |             std::mem::drop(context);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^-------^
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            argument has type `*mut coap_context_t`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 374 -             std::mem::drop(context);
[INFO] [stdout] 374 +             let _ = context;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/lib.rs:375:13
[INFO] [stdout]     |
[INFO] [stdout] 375 |             std::mem::drop(client_session)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^--------------^
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            argument has type `*mut coap_session_t`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 52.15s
[INFO] running `Command { std: "docker" "inspect" "5a018f679cbe307ea9aa7235b154da7a95e7679daf63c60810a40615a45dc28e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a018f679cbe307ea9aa7235b154da7a95e7679daf63c60810a40615a45dc28e", kill_on_drop: false }`
[INFO] [stdout] 5a018f679cbe307ea9aa7235b154da7a95e7679daf63c60810a40615a45dc28e