[INFO] fetching crate vaal 0.3.4...
[INFO] checking vaal-0.3.4 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate vaal 0.3.4 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate vaal 0.3.4 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 crates.io crate vaal 0.3.4
[INFO] finished tweaking crates.io crate vaal 0.3.4
[INFO] tweaked toml for crates.io crate vaal 0.3.4 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded deepviewrt v0.5.0
[INFO] [stderr]   Downloaded deepviewrt-sys v0.5.0
[INFO] [stderr]   Downloaded vaal-sys v0.3.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 8c4ad3d38e12376da3b31ce3b682ebe4dd7c906d2b4765a27da8048b25c17b0b
[INFO] running `Command { std: "docker" "start" "-a" "8c4ad3d38e12376da3b31ce3b682ebe4dd7c906d2b4765a27da8048b25c17b0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c4ad3d38e12376da3b31ce3b682ebe4dd7c906d2b4765a27da8048b25c17b0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c4ad3d38e12376da3b31ce3b682ebe4dd7c906d2b4765a27da8048b25c17b0b", kill_on_drop: false }`
[INFO] [stdout] 8c4ad3d38e12376da3b31ce3b682ebe4dd7c906d2b4765a27da8048b25c17b0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 87473bfb925eb7206f3f6cfd5b4101a9c24cd32be1ced7b581db41406fa76b1c
[INFO] running `Command { std: "docker" "start" "-a" "87473bfb925eb7206f3f6cfd5b4101a9c24cd32be1ced7b581db41406fa76b1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling deepviewrt-sys v0.5.0
[INFO] [stderr]    Compiling vaal-sys v0.3.4
[INFO] [stderr]     Checking deepviewrt v0.5.0
[INFO] [stderr]     Checking vaal v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "87473bfb925eb7206f3f6cfd5b4101a9c24cd32be1ced7b581db41406fa76b1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87473bfb925eb7206f3f6cfd5b4101a9c24cd32be1ced7b581db41406fa76b1c", kill_on_drop: false }`
[INFO] [stdout] 87473bfb925eb7206f3f6cfd5b4101a9c24cd32be1ced7b581db41406fa76b1c
[INFO] checking vaal-0.3.4 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate vaal 0.3.4 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate vaal 0.3.4 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 crates.io crate vaal 0.3.4
[INFO] finished tweaking crates.io crate vaal 0.3.4
[INFO] tweaked toml for crates.io crate vaal 0.3.4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages
[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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 575aade6d477a4df33a2e0ed8c70b94a44d36263653eceee872aef47d29f487e
[INFO] running `Command { std: "docker" "start" "-a" "575aade6d477a4df33a2e0ed8c70b94a44d36263653eceee872aef47d29f487e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "575aade6d477a4df33a2e0ed8c70b94a44d36263653eceee872aef47d29f487e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "575aade6d477a4df33a2e0ed8c70b94a44d36263653eceee872aef47d29f487e", kill_on_drop: false }`
[INFO] [stdout] 575aade6d477a4df33a2e0ed8c70b94a44d36263653eceee872aef47d29f487e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 8028200dc078ece7e76f2c765e16cb72f78f14b1166f19e2a3b51238e872f01c
[INFO] running `Command { std: "docker" "start" "-a" "8028200dc078ece7e76f2c765e16cb72f78f14b1166f19e2a3b51238e872f01c", kill_on_drop: false }`
[INFO] [stderr]    Compiling deepviewrt-sys v0.5.0
[INFO] [stderr]    Compiling vaal-sys v0.3.4
[INFO] [stderr]     Checking deepviewrt v0.5.0
[INFO] [stderr]     Checking vaal v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "8028200dc078ece7e76f2c765e16cb72f78f14b1166f19e2a3b51238e872f01c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8028200dc078ece7e76f2c765e16cb72f78f14b1166f19e2a3b51238e872f01c", kill_on_drop: false }`
[INFO] [stdout] 8028200dc078ece7e76f2c765e16cb72f78f14b1166f19e2a3b51238e872f01c