[INFO] fetching crate habitat 0.0.0...
[INFO] checking habitat-0.0.0 against master#df20355fa9fa5e9fb89be4e4bfee8a643bb7a23e for pr-95474
[INFO] extracting crate habitat 0.0.0 into /workspace/builds/worker-81/source
[INFO] validating manifest of crates.io crate habitat 0.0.0 on toolchain df20355fa9fa5e9fb89be4e4bfee8a643bb7a23e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+df20355fa9fa5e9fb89be4e4bfee8a643bb7a23e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate habitat 0.0.0
[INFO] finished tweaking crates.io crate habitat 0.0.0
[INFO] tweaked toml for crates.io crate habitat 0.0.0 written to /workspace/builds/worker-81/source/Cargo.toml
[INFO] crate crates.io crate habitat 0.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+df20355fa9fa5e9fb89be4e4bfee8a643bb7a23e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+df20355fa9fa5e9fb89be4e4bfee8a643bb7a23e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08cf8a9522920aa952199258d92b8b6f669ccb0d35252feaa5289f7a0bd4b4e3
[INFO] running `Command { std: "docker" "start" "-a" "08cf8a9522920aa952199258d92b8b6f669ccb0d35252feaa5289f7a0bd4b4e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08cf8a9522920aa952199258d92b8b6f669ccb0d35252feaa5289f7a0bd4b4e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08cf8a9522920aa952199258d92b8b6f669ccb0d35252feaa5289f7a0bd4b4e3", kill_on_drop: false }`
[INFO] [stdout] 08cf8a9522920aa952199258d92b8b6f669ccb0d35252feaa5289f7a0bd4b4e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+df20355fa9fa5e9fb89be4e4bfee8a643bb7a23e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61d35a7640484e621e8c9021cdf2769b05b74e1e715430332e1c124f6943a451
[INFO] running `Command { std: "docker" "start" "-a" "61d35a7640484e621e8c9021cdf2769b05b74e1e715430332e1c124f6943a451", kill_on_drop: false }`
[INFO] [stderr]     Checking habitat v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `Command { std: "docker" "inspect" "61d35a7640484e621e8c9021cdf2769b05b74e1e715430332e1c124f6943a451", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61d35a7640484e621e8c9021cdf2769b05b74e1e715430332e1c124f6943a451", kill_on_drop: false }`
[INFO] [stdout] 61d35a7640484e621e8c9021cdf2769b05b74e1e715430332e1c124f6943a451