[INFO] fetching crate opt 0.1.0...
[INFO] checking opt-0.1.0 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate opt 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate opt 0.1.0 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate opt 0.1.0
[INFO] finished tweaking crates.io crate opt 0.1.0
[INFO] tweaked toml for crates.io crate opt 0.1.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b60809172de1621b246fc1cb4f2dfc0159eecc2ffc1f97ebb479ae9d9aa7de1e
[INFO] running `Command { std: "docker" "start" "-a" "b60809172de1621b246fc1cb4f2dfc0159eecc2ffc1f97ebb479ae9d9aa7de1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b60809172de1621b246fc1cb4f2dfc0159eecc2ffc1f97ebb479ae9d9aa7de1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b60809172de1621b246fc1cb4f2dfc0159eecc2ffc1f97ebb479ae9d9aa7de1e", kill_on_drop: false }`
[INFO] [stdout] b60809172de1621b246fc1cb4f2dfc0159eecc2ffc1f97ebb479ae9d9aa7de1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e68a3e0cf49d2d8ffc2566bb8ff6c139eb82e4c13fe324e9e7ed35743477c626
[INFO] running `Command { std: "docker" "start" "-a" "e68a3e0cf49d2d8ffc2566bb8ff6c139eb82e4c13fe324e9e7ed35743477c626", kill_on_drop: false }`
[INFO] [stderr]     Checking opt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "e68a3e0cf49d2d8ffc2566bb8ff6c139eb82e4c13fe324e9e7ed35743477c626", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e68a3e0cf49d2d8ffc2566bb8ff6c139eb82e4c13fe324e9e7ed35743477c626", kill_on_drop: false }`
[INFO] [stdout] e68a3e0cf49d2d8ffc2566bb8ff6c139eb82e4c13fe324e9e7ed35743477c626