[INFO] fetching crate libwebp-sys2 0.2.0...
[INFO] testing libwebp-sys2-0.2.0 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate libwebp-sys2 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate libwebp-sys2 0.2.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate libwebp-sys2 0.2.0
[INFO] tweaked toml for crates.io crate libwebp-sys2 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate libwebp-sys2 0.2.0 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate libwebp-sys2 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7226778fee3ea05db10d512bca3d9cceee05a2ab318570fd21613fb55ddf6c00
[INFO] running `Command { std: "docker" "start" "-a" "7226778fee3ea05db10d512bca3d9cceee05a2ab318570fd21613fb55ddf6c00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7226778fee3ea05db10d512bca3d9cceee05a2ab318570fd21613fb55ddf6c00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7226778fee3ea05db10d512bca3d9cceee05a2ab318570fd21613fb55ddf6c00", kill_on_drop: false }`
[INFO] [stdout] 7226778fee3ea05db10d512bca3d9cceee05a2ab318570fd21613fb55ddf6c00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf4dec3043dada434be9216fc410cbe27848569d4971bdca31eabda00052612b
[INFO] running `Command { std: "docker" "start" "-a" "bf4dec3043dada434be9216fc410cbe27848569d4971bdca31eabda00052612b", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.2.15
[INFO] [stderr]    Compiling libwebp-sys2 v0.1.11
[INFO] [stderr]    Compiling libwebp-sys2 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.65s
[INFO] running `Command { std: "docker" "inspect" "bf4dec3043dada434be9216fc410cbe27848569d4971bdca31eabda00052612b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf4dec3043dada434be9216fc410cbe27848569d4971bdca31eabda00052612b", kill_on_drop: false }`
[INFO] [stdout] bf4dec3043dada434be9216fc410cbe27848569d4971bdca31eabda00052612b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0a2c07a7a64a2af2cc1f3b74bdd529c69f3091d0ead48d1bf8a5293146bba3c
[INFO] running `Command { std: "docker" "start" "-a" "d0a2c07a7a64a2af2cc1f3b74bdd529c69f3091d0ead48d1bf8a5293146bba3c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libwebp-sys2 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `WebPInitDecBuffer` that must be used
[INFO] [stdout]  --> tests/decode.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |         WebPInitDecBuffer(&mut buf);
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 8 |         let _ = WebPInitDecBuffer(&mut buf);
[INFO] [stdout]   |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "d0a2c07a7a64a2af2cc1f3b74bdd529c69f3091d0ead48d1bf8a5293146bba3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0a2c07a7a64a2af2cc1f3b74bdd529c69f3091d0ead48d1bf8a5293146bba3c", kill_on_drop: false }`
[INFO] [stdout] d0a2c07a7a64a2af2cc1f3b74bdd529c69f3091d0ead48d1bf8a5293146bba3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 79cb8807f1542afcb9202bc38e895842733b144f8466644fb53777ac42dbf026
[INFO] running `Command { std: "docker" "start" "-a" "79cb8807f1542afcb9202bc38e895842733b144f8466644fb53777ac42dbf026", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `WebPInitDecBuffer` that must be used
[INFO] [stderr]  --> tests/decode.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |         WebPInitDecBuffer(&mut buf);
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]   |
[INFO] [stderr] 8 |         let _ = WebPInitDecBuffer(&mut buf);
[INFO] [stderr]   |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `libwebp-sys2` (test "decode") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/libwebp_sys-c86c5a68f83be214)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/decode.rs (/opt/rustwide/target/debug/deps/decode-46532a5c59fc14c5)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_new_and_delete ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/demux.rs (/opt/rustwide/target/debug/deps/demux-23054c3aeea61546)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/encode.rs (/opt/rustwide/target/debug/deps/encode-1535326b94589926)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_new_and_delete ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/mux.rs (/opt/rustwide/target/debug/deps/mux-aa16255e9f48c5b1)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/types.rs (/opt/rustwide/target/debug/deps/types-937870a381cb3803)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_malloc ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests libwebp_sys
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "79cb8807f1542afcb9202bc38e895842733b144f8466644fb53777ac42dbf026", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79cb8807f1542afcb9202bc38e895842733b144f8466644fb53777ac42dbf026", kill_on_drop: false }`
[INFO] [stdout] 79cb8807f1542afcb9202bc38e895842733b144f8466644fb53777ac42dbf026