[INFO] fetching crate libz-rs-sys-cdylib 0.6.3...
[INFO] testing libz-rs-sys-cdylib-0.6.3 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate libz-rs-sys-cdylib 0.6.3 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate libz-rs-sys-cdylib 0.6.3
[INFO] finished tweaking crates.io crate libz-rs-sys-cdylib 0.6.3
[INFO] tweaked toml for crates.io crate libz-rs-sys-cdylib 0.6.3 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate libz-rs-sys-cdylib 0.6.3 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate libz-rs-sys-cdylib 0.6.3 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libz-rs-sys v0.6.3
[INFO] [stderr]   Downloaded zlib-rs v0.6.3
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e9793e8aae4496923d4e59019997580ba0d47877f0466da5ffda5a6786508a1
[INFO] running `Command { std: "docker" "start" "-a" "3e9793e8aae4496923d4e59019997580ba0d47877f0466da5ffda5a6786508a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e9793e8aae4496923d4e59019997580ba0d47877f0466da5ffda5a6786508a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e9793e8aae4496923d4e59019997580ba0d47877f0466da5ffda5a6786508a1", kill_on_drop: false }`
[INFO] [stdout] 3e9793e8aae4496923d4e59019997580ba0d47877f0466da5ffda5a6786508a1
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 617b3460933b5de593ce2b3c6fb2b01ed093a1718a4557ed8bb92e3b88fc594d
[INFO] running `Command { std: "docker" "start" "-a" "617b3460933b5de593ce2b3c6fb2b01ed093a1718a4557ed8bb92e3b88fc594d", kill_on_drop: false }`
[INFO] [stderr]    Compiling zlib-rs v0.6.3
[INFO] [stderr]    Compiling libz-rs-sys v0.6.3
[INFO] [stderr]    Compiling libz-rs-sys-cdylib v0.6.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.85s
[INFO] running `Command { std: "docker" "inspect" "617b3460933b5de593ce2b3c6fb2b01ed093a1718a4557ed8bb92e3b88fc594d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "617b3460933b5de593ce2b3c6fb2b01ed093a1718a4557ed8bb92e3b88fc594d", kill_on_drop: false }`
[INFO] [stdout] 617b3460933b5de593ce2b3c6fb2b01ed093a1718a4557ed8bb92e3b88fc594d
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 998336d233502bdb07940867ddb4ae11a7405132f40efece9f1ab6105b67073e
[INFO] running `Command { std: "docker" "start" "-a" "998336d233502bdb07940867ddb4ae11a7405132f40efece9f1ab6105b67073e", kill_on_drop: false }`
[INFO] [stderr]    Compiling zlib-rs v0.6.3
[INFO] [stderr]    Compiling libz-rs-sys v0.6.3
[INFO] [stderr]    Compiling libz-rs-sys-cdylib v0.6.3 (/opt/rustwide/workdir)
[INFO] [stdout] error: panic="abort" is mandatory because unwinding to C is undefined behavior
[INFO] [stdout]  --> src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | compile_error!("panic=\"abort\" is mandatory because unwinding to C is undefined behavior");
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libz-rs-sys-cdylib` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "998336d233502bdb07940867ddb4ae11a7405132f40efece9f1ab6105b67073e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "998336d233502bdb07940867ddb4ae11a7405132f40efece9f1ab6105b67073e", kill_on_drop: false }`
[INFO] [stdout] 998336d233502bdb07940867ddb4ae11a7405132f40efece9f1ab6105b67073e