[INFO] fetching crate parallel_image 0.5.0...
[INFO] checking parallel_image-0.5.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate parallel_image 0.5.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate parallel_image 0.5.0 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 parallel_image 0.5.0
[INFO] finished tweaking crates.io crate parallel_image 0.5.0
[INFO] tweaked toml for crates.io crate parallel_image 0.5.0 written to /workspace/builds/worker-7-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 9 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 webp_encoder v0.6.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 21502024ebb583aaf7e38a14d396345c84d969e69e1b5c1ffa13070ca5aca370
[INFO] running `Command { std: "docker" "start" "-a" "21502024ebb583aaf7e38a14d396345c84d969e69e1b5c1ffa13070ca5aca370", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21502024ebb583aaf7e38a14d396345c84d969e69e1b5c1ffa13070ca5aca370", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21502024ebb583aaf7e38a14d396345c84d969e69e1b5c1ffa13070ca5aca370", kill_on_drop: false }`
[INFO] [stdout] 21502024ebb583aaf7e38a14d396345c84d969e69e1b5c1ffa13070ca5aca370
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b6274451e8a61bb9b1296beb1f174b34eb3bd17f403c4603cbe18f1cf029525
[INFO] running `Command { std: "docker" "start" "-a" "6b6274451e8a61bb9b1296beb1f174b34eb3bd17f403c4603cbe18f1cf029525", kill_on_drop: false }`
[INFO] [stderr]     Checking webp_encoder v0.6.0
[INFO] [stderr]     Checking parallel_image v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "6b6274451e8a61bb9b1296beb1f174b34eb3bd17f403c4603cbe18f1cf029525", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b6274451e8a61bb9b1296beb1f174b34eb3bd17f403c4603cbe18f1cf029525", kill_on_drop: false }`
[INFO] [stdout] 6b6274451e8a61bb9b1296beb1f174b34eb3bd17f403c4603cbe18f1cf029525
[INFO] checking parallel_image-0.5.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate parallel_image 0.5.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate parallel_image 0.5.0 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 parallel_image 0.5.0
[INFO] finished tweaking crates.io crate parallel_image 0.5.0
[INFO] tweaked toml for crates.io crate parallel_image 0.5.0 written to /workspace/builds/worker-7-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 9 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 76e4572bbd0db71c017a4cd2e5517a3bbc6c6e72dde39bb4353325e5905af157
[INFO] running `Command { std: "docker" "start" "-a" "76e4572bbd0db71c017a4cd2e5517a3bbc6c6e72dde39bb4353325e5905af157", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76e4572bbd0db71c017a4cd2e5517a3bbc6c6e72dde39bb4353325e5905af157", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76e4572bbd0db71c017a4cd2e5517a3bbc6c6e72dde39bb4353325e5905af157", kill_on_drop: false }`
[INFO] [stdout] 76e4572bbd0db71c017a4cd2e5517a3bbc6c6e72dde39bb4353325e5905af157
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 347c23d9d3b7b507cc11501680f9a44ac2f499588e91ccc1f361496a4fa3b9d9
[INFO] running `Command { std: "docker" "start" "-a" "347c23d9d3b7b507cc11501680f9a44ac2f499588e91ccc1f361496a4fa3b9d9", kill_on_drop: false }`
[INFO] [stderr]     Checking webp_encoder v0.6.0
[INFO] [stderr]     Checking parallel_image v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "347c23d9d3b7b507cc11501680f9a44ac2f499588e91ccc1f361496a4fa3b9d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "347c23d9d3b7b507cc11501680f9a44ac2f499588e91ccc1f361496a4fa3b9d9", kill_on_drop: false }`
[INFO] [stdout] 347c23d9d3b7b507cc11501680f9a44ac2f499588e91ccc1f361496a4fa3b9d9