[INFO] fetching crate mud 0.0.1...
[INFO] checking mud-0.0.1 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate mud 0.0.1 into /workspace/builds/worker-88/source
[INFO] validating manifest of crates.io crate mud 0.0.1 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mud 0.0.1
[INFO] finished tweaking crates.io crate mud 0.0.1
[INFO] tweaked toml for crates.io crate mud 0.0.1 written to /workspace/builds/worker-88/source/Cargo.toml
[INFO] crate crates.io crate mud 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0776a7625f4752cbe6de7d1aa5c1c9d7dc01e7985970785ce314adf15513d377
[INFO] running `Command { std: "docker" "start" "-a" "0776a7625f4752cbe6de7d1aa5c1c9d7dc01e7985970785ce314adf15513d377", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0776a7625f4752cbe6de7d1aa5c1c9d7dc01e7985970785ce314adf15513d377", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0776a7625f4752cbe6de7d1aa5c1c9d7dc01e7985970785ce314adf15513d377", kill_on_drop: false }`
[INFO] [stdout] 0776a7625f4752cbe6de7d1aa5c1c9d7dc01e7985970785ce314adf15513d377
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be8e997a3a94baf133858ff5f4043d20ae3ec7592e116e933dc9bf9e931d5540
[INFO] running `Command { std: "docker" "start" "-a" "be8e997a3a94baf133858ff5f4043d20ae3ec7592e116e933dc9bf9e931d5540", kill_on_drop: false }`
[INFO] [stderr]     Checking mud v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "be8e997a3a94baf133858ff5f4043d20ae3ec7592e116e933dc9bf9e931d5540", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be8e997a3a94baf133858ff5f4043d20ae3ec7592e116e933dc9bf9e931d5540", kill_on_drop: false }`
[INFO] [stdout] be8e997a3a94baf133858ff5f4043d20ae3ec7592e116e933dc9bf9e931d5540