[INFO] cloning repository https://github.com/rust-cxx/zlib-c
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rust-cxx/zlib-c" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-cxx%2Fzlib-c", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-cxx%2Fzlib-c'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 847d8d435dedc026aec741eac80f6c929bb6a3c6
[INFO] checking rust-cxx/zlib-c against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-cxx%2Fzlib-c" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rust-cxx/zlib-c on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rust-cxx/zlib-c
[INFO] finished tweaking git repo https://github.com/rust-cxx/zlib-c
[INFO] tweaked toml for git repo https://github.com/rust-cxx/zlib-c written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/rust-cxx/zlib-c 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cargo-cxx v0.1.2
[INFO] [stderr]   Downloaded cmake v0.1.35
[INFO] [stderr]   Downloaded cc v1.0.26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 79dea20795aa847410e25fbb1046ee41dc64f6bc67322e4fbf6592f856b6d22d
[INFO] running `Command { std: "docker" "start" "-a" "79dea20795aa847410e25fbb1046ee41dc64f6bc67322e4fbf6592f856b6d22d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79dea20795aa847410e25fbb1046ee41dc64f6bc67322e4fbf6592f856b6d22d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79dea20795aa847410e25fbb1046ee41dc64f6bc67322e4fbf6592f856b6d22d", kill_on_drop: false }`
[INFO] [stdout] 79dea20795aa847410e25fbb1046ee41dc64f6bc67322e4fbf6592f856b6d22d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b8f4f068052c667ae3db502ef9c49f1f7d2b18c61b7099f4f5284f500bc2514
[INFO] running `Command { std: "docker" "start" "-a" "4b8f4f068052c667ae3db502ef9c49f1f7d2b18c61b7099f4f5284f500bc2514", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.26
[INFO] [stderr]    Compiling argparse v0.2.2
[INFO] [stderr]    Compiling cmake v0.1.35
[INFO] [stderr]    Compiling cargo-cxx v0.1.2
[INFO] [stderr]    Compiling zlib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.99s
[INFO] running `Command { std: "docker" "inspect" "4b8f4f068052c667ae3db502ef9c49f1f7d2b18c61b7099f4f5284f500bc2514", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b8f4f068052c667ae3db502ef9c49f1f7d2b18c61b7099f4f5284f500bc2514", kill_on_drop: false }`
[INFO] [stdout] 4b8f4f068052c667ae3db502ef9c49f1f7d2b18c61b7099f4f5284f500bc2514
[INFO] checking rust-cxx/zlib-c against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-cxx%2Fzlib-c" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rust-cxx/zlib-c on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rust-cxx/zlib-c
[INFO] finished tweaking git repo https://github.com/rust-cxx/zlib-c
[INFO] tweaked toml for git repo https://github.com/rust-cxx/zlib-c written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/rust-cxx/zlib-c 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3d84ec453b47bdcf823730095ae9de85bc3448bd0dad29e1a4183243958c856
[INFO] running `Command { std: "docker" "start" "-a" "c3d84ec453b47bdcf823730095ae9de85bc3448bd0dad29e1a4183243958c856", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3d84ec453b47bdcf823730095ae9de85bc3448bd0dad29e1a4183243958c856", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3d84ec453b47bdcf823730095ae9de85bc3448bd0dad29e1a4183243958c856", kill_on_drop: false }`
[INFO] [stdout] c3d84ec453b47bdcf823730095ae9de85bc3448bd0dad29e1a4183243958c856
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0597fdefab11b4bffb06171ccbc91f64fa37b267e93a76983416ff141a773447
[INFO] running `Command { std: "docker" "start" "-a" "0597fdefab11b4bffb06171ccbc91f64fa37b267e93a76983416ff141a773447", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.26
[INFO] [stderr]    Compiling argparse v0.2.2
[INFO] [stderr]    Compiling cmake v0.1.35
[INFO] [stderr]    Compiling cargo-cxx v0.1.2
[INFO] [stderr]    Compiling zlib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.22s
[INFO] running `Command { std: "docker" "inspect" "0597fdefab11b4bffb06171ccbc91f64fa37b267e93a76983416ff141a773447", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0597fdefab11b4bffb06171ccbc91f64fa37b267e93a76983416ff141a773447", kill_on_drop: false }`
[INFO] [stdout] 0597fdefab11b4bffb06171ccbc91f64fa37b267e93a76983416ff141a773447