[INFO] cloning repository https://github.com/DeepViewML/vaal-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DeepViewML/vaal-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDeepViewML%2Fvaal-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDeepViewML%2Fvaal-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a854cb3f517d6e4b98c0e49b225866dd03972c28
[INFO] checking DeepViewML/vaal-rs against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDeepViewML%2Fvaal-rs" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DeepViewML/vaal-rs 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/DeepViewML/vaal-rs
[INFO] finished tweaking git repo https://github.com/DeepViewML/vaal-rs
[INFO] tweaked toml for git repo https://github.com/DeepViewML/vaal-rs written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/DeepViewML/vaal-rs 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 deepviewrt v0.5.0
[INFO] [stderr]   Downloaded deepviewrt-sys v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 2aa3c1a04089e19c84f9ce2c0279501bf2d3c5ab8534c77a5efaa8dcda6e6581
[INFO] running `Command { std: "docker" "start" "-a" "2aa3c1a04089e19c84f9ce2c0279501bf2d3c5ab8534c77a5efaa8dcda6e6581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2aa3c1a04089e19c84f9ce2c0279501bf2d3c5ab8534c77a5efaa8dcda6e6581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2aa3c1a04089e19c84f9ce2c0279501bf2d3c5ab8534c77a5efaa8dcda6e6581", kill_on_drop: false }`
[INFO] [stdout] 2aa3c1a04089e19c84f9ce2c0279501bf2d3c5ab8534c77a5efaa8dcda6e6581
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 382801e82d80647851016c3cc6f20f2451adf1a9ef789decaaac8ae7e9f0f6a3
[INFO] running `Command { std: "docker" "start" "-a" "382801e82d80647851016c3cc6f20f2451adf1a9ef789decaaac8ae7e9f0f6a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling vaal-sys v0.0.0 (/opt/rustwide/workdir/vaal-sys)
[INFO] [stderr]    Compiling deepviewrt-sys v0.5.0
[INFO] [stderr]     Checking deepviewrt v0.5.0
[INFO] [stderr]     Checking vaal v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.18s
[INFO] running `Command { std: "docker" "inspect" "382801e82d80647851016c3cc6f20f2451adf1a9ef789decaaac8ae7e9f0f6a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "382801e82d80647851016c3cc6f20f2451adf1a9ef789decaaac8ae7e9f0f6a3", kill_on_drop: false }`
[INFO] [stdout] 382801e82d80647851016c3cc6f20f2451adf1a9ef789decaaac8ae7e9f0f6a3
[INFO] checking DeepViewML/vaal-rs against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDeepViewML%2Fvaal-rs" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DeepViewML/vaal-rs 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/DeepViewML/vaal-rs
[INFO] finished tweaking git repo https://github.com/DeepViewML/vaal-rs
[INFO] tweaked toml for git repo https://github.com/DeepViewML/vaal-rs written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/DeepViewML/vaal-rs 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] be8794e941e4cef1a48500b6ca9cae67350461bfe2ea0c3bbf79e2ace77a6339
[INFO] running `Command { std: "docker" "start" "-a" "be8794e941e4cef1a48500b6ca9cae67350461bfe2ea0c3bbf79e2ace77a6339", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be8794e941e4cef1a48500b6ca9cae67350461bfe2ea0c3bbf79e2ace77a6339", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be8794e941e4cef1a48500b6ca9cae67350461bfe2ea0c3bbf79e2ace77a6339", kill_on_drop: false }`
[INFO] [stdout] be8794e941e4cef1a48500b6ca9cae67350461bfe2ea0c3bbf79e2ace77a6339
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 5fc5c3a2e526e48f0aa09ab2da5f5dea707ca752a69f60d06297b5de03147756
[INFO] running `Command { std: "docker" "start" "-a" "5fc5c3a2e526e48f0aa09ab2da5f5dea707ca752a69f60d06297b5de03147756", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling vaal-sys v0.0.0 (/opt/rustwide/workdir/vaal-sys)
[INFO] [stderr]    Compiling deepviewrt-sys v0.5.0
[INFO] [stderr]     Checking deepviewrt v0.5.0
[INFO] [stderr]     Checking vaal v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.40s
[INFO] running `Command { std: "docker" "inspect" "5fc5c3a2e526e48f0aa09ab2da5f5dea707ca752a69f60d06297b5de03147756", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fc5c3a2e526e48f0aa09ab2da5f5dea707ca752a69f60d06297b5de03147756", kill_on_drop: false }`
[INFO] [stdout] 5fc5c3a2e526e48f0aa09ab2da5f5dea707ca752a69f60d06297b5de03147756