[INFO] fetching crate zlib-src-sys 0.1.2...
[INFO] testing zlib-src-sys-0.1.2 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate zlib-src-sys 0.1.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate zlib-src-sys 0.1.2 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zlib-src-sys 0.1.2
[INFO] finished tweaking crates.io crate zlib-src-sys 0.1.2
[INFO] tweaked toml for crates.io crate zlib-src-sys 0.1.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f473e125187ece953e5afb5cc298d3fd3b2ac4a834d66a52a5fd864d0d2b40e8
[INFO] running `Command { std: "docker" "start" "-a" "f473e125187ece953e5afb5cc298d3fd3b2ac4a834d66a52a5fd864d0d2b40e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f473e125187ece953e5afb5cc298d3fd3b2ac4a834d66a52a5fd864d0d2b40e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f473e125187ece953e5afb5cc298d3fd3b2ac4a834d66a52a5fd864d0d2b40e8", kill_on_drop: false }`
[INFO] [stdout] f473e125187ece953e5afb5cc298d3fd3b2ac4a834d66a52a5fd864d0d2b40e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3022f76d870a93b376b479c447e76229fe8f32608a2391c7f51969c407b8cfe6
[INFO] running `Command { std: "docker" "start" "-a" "3022f76d870a93b376b479c447e76229fe8f32608a2391c7f51969c407b8cfe6", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling zlib-src-sys v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `Result::<T, E>::is_ok` that must be used
[INFO] [stdout]   --> build.rs:14:2
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fs::remove_dir_all(&build_dir).is_ok();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Result::<T, E>::is_ok` that must be used
[INFO] [stdout]   --> build.rs:15:2
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fs::create_dir(&build_dir).is_ok();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Result::<T, E>::is_ok` that must be used
[INFO] [stdout]   --> build.rs:36:2
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fs::remove_dir_all(&build_dir).is_ok();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Result::<T, E>::is_ok` that must be used
[INFO] [stdout]   --> build.rs:37:2
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fs::create_dir(&build_dir).is_ok();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.79s
[INFO] running `Command { std: "docker" "inspect" "3022f76d870a93b376b479c447e76229fe8f32608a2391c7f51969c407b8cfe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3022f76d870a93b376b479c447e76229fe8f32608a2391c7f51969c407b8cfe6", kill_on_drop: false }`
[INFO] [stdout] 3022f76d870a93b376b479c447e76229fe8f32608a2391c7f51969c407b8cfe6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3fc4ad6a29ff26258717d6c87af2e3c6ce39b3bb57f301369540aeb05a17f17c
[INFO] running `Command { std: "docker" "start" "-a" "3fc4ad6a29ff26258717d6c87af2e3c6ce39b3bb57f301369540aeb05a17f17c", kill_on_drop: false }`
[INFO] [stdout] warning: unused return value of `Result::<T, E>::is_ok` that must be used
[INFO] [stdout]   --> build.rs:14:2
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fs::remove_dir_all(&build_dir).is_ok();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Result::<T, E>::is_ok` that must be used
[INFO] [stdout]   --> build.rs:15:2
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fs::create_dir(&build_dir).is_ok();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Result::<T, E>::is_ok` that must be used
[INFO] [stdout]   --> build.rs:36:2
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fs::remove_dir_all(&build_dir).is_ok();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Result::<T, E>::is_ok` that must be used
[INFO] [stdout]   --> build.rs:37:2
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fs::create_dir(&build_dir).is_ok();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling zlib-src-sys v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "3fc4ad6a29ff26258717d6c87af2e3c6ce39b3bb57f301369540aeb05a17f17c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fc4ad6a29ff26258717d6c87af2e3c6ce39b3bb57f301369540aeb05a17f17c", kill_on_drop: false }`
[INFO] [stdout] 3fc4ad6a29ff26258717d6c87af2e3c6ce39b3bb57f301369540aeb05a17f17c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 738dc5389ab4701575d6bb392e01cb8457c02eebd4e66f403f0608d4ac5a3429
[INFO] running `Command { std: "docker" "start" "-a" "738dc5389ab4701575d6bb392e01cb8457c02eebd4e66f403f0608d4ac5a3429", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `Result::<T, E>::is_ok` that must be used
[INFO] [stderr]   --> build.rs:14:2
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fs::remove_dir_all(&build_dir).is_ok();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Result::<T, E>::is_ok` that must be used
[INFO] [stderr]   --> build.rs:15:2
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fs::create_dir(&build_dir).is_ok();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Result::<T, E>::is_ok` that must be used
[INFO] [stderr]   --> build.rs:36:2
[INFO] [stderr]    |
[INFO] [stderr] 36 |     fs::remove_dir_all(&build_dir).is_ok();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Result::<T, E>::is_ok` that must be used
[INFO] [stderr]   --> build.rs:37:2
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fs::create_dir(&build_dir).is_ok();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/zlib_sys-78705e09b8ed7786)
[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]    Doc-tests zlib_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" "738dc5389ab4701575d6bb392e01cb8457c02eebd4e66f403f0608d4ac5a3429", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "738dc5389ab4701575d6bb392e01cb8457c02eebd4e66f403f0608d4ac5a3429", kill_on_drop: false }`
[INFO] [stdout] 738dc5389ab4701575d6bb392e01cb8457c02eebd4e66f403f0608d4ac5a3429