[INFO] fetching crate rio_api 0.7.1...
[INFO] checking rio_api-0.7.1 against master#0568b0a3de4eb37bf187eb61a9f017ae0018ad8f for pr-101478
[INFO] extracting crate rio_api 0.7.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rio_api 0.7.1 on toolchain 0568b0a3de4eb37bf187eb61a9f017ae0018ad8f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0568b0a3de4eb37bf187eb61a9f017ae0018ad8f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rio_api 0.7.1
[INFO] finished tweaking crates.io crate rio_api 0.7.1
[INFO] tweaked toml for crates.io crate rio_api 0.7.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0568b0a3de4eb37bf187eb61a9f017ae0018ad8f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0568b0a3de4eb37bf187eb61a9f017ae0018ad8f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+0568b0a3de4eb37bf187eb61a9f017ae0018ad8f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31a5161368699d647ac41551798947337c8981d49f02c45c3fe809a9d1c35459
[INFO] running `Command { std: "docker" "start" "-a" "31a5161368699d647ac41551798947337c8981d49f02c45c3fe809a9d1c35459", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31a5161368699d647ac41551798947337c8981d49f02c45c3fe809a9d1c35459", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31a5161368699d647ac41551798947337c8981d49f02c45c3fe809a9d1c35459", kill_on_drop: false }`
[INFO] [stdout] 31a5161368699d647ac41551798947337c8981d49f02c45c3fe809a9d1c35459
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+0568b0a3de4eb37bf187eb61a9f017ae0018ad8f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a52c2e5a7a6ec77147eec01e5085de800446091ebdf7029246240691dd555d6
[INFO] running `Command { std: "docker" "start" "-a" "4a52c2e5a7a6ec77147eec01e5085de800446091ebdf7029246240691dd555d6", kill_on_drop: false }`
[INFO] [stderr]     Checking rio_api v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "4a52c2e5a7a6ec77147eec01e5085de800446091ebdf7029246240691dd555d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a52c2e5a7a6ec77147eec01e5085de800446091ebdf7029246240691dd555d6", kill_on_drop: false }`
[INFO] [stdout] 4a52c2e5a7a6ec77147eec01e5085de800446091ebdf7029246240691dd555d6