[INFO] fetching crate mf 0.1.1...
[INFO] checking mf-0.1.1 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate mf 0.1.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate mf 0.1.1 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mf 0.1.1
[INFO] finished tweaking crates.io crate mf 0.1.1
[INFO] tweaked toml for crates.io crate mf 0.1.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate mf 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6db5f38958058a186d8688d7aefdec0df7fad4944843cabce7a838853619069e
[INFO] running `Command { std: "docker" "start" "-a" "6db5f38958058a186d8688d7aefdec0df7fad4944843cabce7a838853619069e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6db5f38958058a186d8688d7aefdec0df7fad4944843cabce7a838853619069e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6db5f38958058a186d8688d7aefdec0df7fad4944843cabce7a838853619069e", kill_on_drop: false }`
[INFO] [stdout] 6db5f38958058a186d8688d7aefdec0df7fad4944843cabce7a838853619069e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7253f965a8d14a4ec252313e882e75d71c3f25526d7f54c7893f83298ae3ef4c
[INFO] running `Command { std: "docker" "start" "-a" "7253f965a8d14a4ec252313e882e75d71c3f25526d7f54c7893f83298ae3ef4c", kill_on_drop: false }`
[INFO] [stderr]     Checking mf v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "7253f965a8d14a4ec252313e882e75d71c3f25526d7f54c7893f83298ae3ef4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7253f965a8d14a4ec252313e882e75d71c3f25526d7f54c7893f83298ae3ef4c", kill_on_drop: false }`
[INFO] [stdout] 7253f965a8d14a4ec252313e882e75d71c3f25526d7f54c7893f83298ae3ef4c