[INFO] fetching crate try_buf 0.1.3...
[INFO] checking try_buf-0.1.3 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate try_buf 0.1.3 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate try_buf 0.1.3 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate try_buf 0.1.3
[INFO] finished tweaking crates.io crate try_buf 0.1.3
[INFO] tweaked toml for crates.io crate try_buf 0.1.3 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62b546b69ce33dcacd8b4f10a4e5f107f4a674bbe72a08da18be2e0dc5b0d6dd
[INFO] running `Command { std: "docker" "start" "-a" "62b546b69ce33dcacd8b4f10a4e5f107f4a674bbe72a08da18be2e0dc5b0d6dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62b546b69ce33dcacd8b4f10a4e5f107f4a674bbe72a08da18be2e0dc5b0d6dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62b546b69ce33dcacd8b4f10a4e5f107f4a674bbe72a08da18be2e0dc5b0d6dd", kill_on_drop: false }`
[INFO] [stdout] 62b546b69ce33dcacd8b4f10a4e5f107f4a674bbe72a08da18be2e0dc5b0d6dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37f41fb5534a14bcfad99926c1a372426fc332193682b6d5a0a0d0cd78fc532c
[INFO] running `Command { std: "docker" "start" "-a" "37f41fb5534a14bcfad99926c1a372426fc332193682b6d5a0a0d0cd78fc532c", kill_on_drop: false }`
[INFO] [stderr]     Checking try_buf v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "37f41fb5534a14bcfad99926c1a372426fc332193682b6d5a0a0d0cd78fc532c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37f41fb5534a14bcfad99926c1a372426fc332193682b6d5a0a0d0cd78fc532c", kill_on_drop: false }`
[INFO] [stdout] 37f41fb5534a14bcfad99926c1a372426fc332193682b6d5a0a0d0cd78fc532c