[INFO] fetching crate mltg_bindings 0.2.2...
[INFO] checking mltg_bindings-0.2.2 against try#34585ff556bad2462429cd3775623c743928a72f for pr-102593
[INFO] extracting crate mltg_bindings 0.2.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate mltg_bindings 0.2.2 on toolchain 34585ff556bad2462429cd3775623c743928a72f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+34585ff556bad2462429cd3775623c743928a72f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mltg_bindings 0.2.2
[INFO] finished tweaking crates.io crate mltg_bindings 0.2.2
[INFO] tweaked toml for crates.io crate mltg_bindings 0.2.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+34585ff556bad2462429cd3775623c743928a72f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+34585ff556bad2462429cd3775623c743928a72f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+34585ff556bad2462429cd3775623c743928a72f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8315114c6b98e3c53f6934f9234ff9b4eb57fd5898b3525639a65cd54ce8eef7
[INFO] running `Command { std: "docker" "start" "-a" "8315114c6b98e3c53f6934f9234ff9b4eb57fd5898b3525639a65cd54ce8eef7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8315114c6b98e3c53f6934f9234ff9b4eb57fd5898b3525639a65cd54ce8eef7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8315114c6b98e3c53f6934f9234ff9b4eb57fd5898b3525639a65cd54ce8eef7", kill_on_drop: false }`
[INFO] [stdout] 8315114c6b98e3c53f6934f9234ff9b4eb57fd5898b3525639a65cd54ce8eef7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+34585ff556bad2462429cd3775623c743928a72f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec36fc326bb6a5fa4485183ad0a30d8bb7900d3929706a4ce50819e92a10f3e1
[INFO] running `Command { std: "docker" "start" "-a" "ec36fc326bb6a5fa4485183ad0a30d8bb7900d3929706a4ce50819e92a10f3e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling syn v1.0.101
[INFO] [stderr]    Compiling windows_quote v0.21.1
[INFO] [stderr]    Compiling windows_reader v0.21.1
[INFO] [stderr]    Compiling const-sha1 v0.2.0
[INFO] [stderr]    Compiling windows_gen v0.21.1
[INFO] [stderr]    Compiling windows_macros v0.21.1
[INFO] [stderr]    Compiling windows v0.21.1
[INFO] [stderr]    Compiling mltg_bindings v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/mltg_bindings-9f9874ba4bcd5f90/out/windows.rs:1:15696
[INFO] [stdout]   |
[INFO] [stdout] 1 | ...ram { if ! value . is_null ( ) { unsafe { :: std :: boxed :: Box :: from_raw ( value . 0 ) ; } } } } } impl < 'a > :: windows :: IntoP...
[INFO] [stdout]   |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: call `drop(from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mltg_bindings`; 2 warnings emitted
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/mltg_bindings-9f9874ba4bcd5f90/out/windows.rs:1:17118
[INFO] [stdout]   |
[INFO] [stdout] 1 | ...ram { if ! value . is_null ( ) { unsafe { :: std :: boxed :: Box :: from_raw ( value . 0 ) ; } } } } } impl < 'a > :: windows :: IntoP...
[INFO] [stdout]   |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: call `drop(from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name mltg_bindings --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test -C metadata=2094cedb6383f6ae -C extra-filename=-2094cedb6383f6ae --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern windows=/opt/rustwide/target/debug/deps/libwindows-ed616358a4fac6b4.rmeta --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/mltg_bindings-9f9874ba4bcd5f90/out/windows.rs:1:15696
[INFO] [stdout]   |
[INFO] [stdout] 1 | ...ram { if ! value . is_null ( ) { unsafe { :: std :: boxed :: Box :: from_raw ( value . 0 ) ; } } } } } impl < 'a > :: windows :: IntoP...
[INFO] [stdout]   |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: call `drop(from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/mltg_bindings-9f9874ba4bcd5f90/out/windows.rs:1:17118
[INFO] [stdout]   |
[INFO] [stdout] 1 | ...ram { if ! value . is_null ( ) { unsafe { :: std :: boxed :: Box :: from_raw ( value . 0 ) ; } } } } } impl < 'a > :: windows :: IntoP...
[INFO] [stdout]   |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: call `drop(from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ec36fc326bb6a5fa4485183ad0a30d8bb7900d3929706a4ce50819e92a10f3e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec36fc326bb6a5fa4485183ad0a30d8bb7900d3929706a4ce50819e92a10f3e1", kill_on_drop: false }`
[INFO] [stdout] ec36fc326bb6a5fa4485183ad0a30d8bb7900d3929706a4ce50819e92a10f3e1