[INFO] fetching crate safe-mix 1.0.1...
[INFO] checking safe-mix-1.0.1 against try#751cdbaf3a893bc71b2c617bb7be22dfea5f0862 for pr-95611
[INFO] extracting crate safe-mix 1.0.1 into /workspace/builds/worker-109/source
[INFO] validating manifest of crates.io crate safe-mix 1.0.1 on toolchain 751cdbaf3a893bc71b2c617bb7be22dfea5f0862
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+751cdbaf3a893bc71b2c617bb7be22dfea5f0862" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate safe-mix 1.0.1
[INFO] finished tweaking crates.io crate safe-mix 1.0.1
[INFO] tweaked toml for crates.io crate safe-mix 1.0.1 written to /workspace/builds/worker-109/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+751cdbaf3a893bc71b2c617bb7be22dfea5f0862" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+751cdbaf3a893bc71b2c617bb7be22dfea5f0862" "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-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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" "+751cdbaf3a893bc71b2c617bb7be22dfea5f0862" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f57f387223a54e621a36d460924e399abd6e1659238c2fc63ba193b83b09d388
[INFO] running `Command { std: "docker" "start" "-a" "f57f387223a54e621a36d460924e399abd6e1659238c2fc63ba193b83b09d388", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f57f387223a54e621a36d460924e399abd6e1659238c2fc63ba193b83b09d388", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f57f387223a54e621a36d460924e399abd6e1659238c2fc63ba193b83b09d388", kill_on_drop: false }`
[INFO] [stdout] f57f387223a54e621a36d460924e399abd6e1659238c2fc63ba193b83b09d388
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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" "+751cdbaf3a893bc71b2c617bb7be22dfea5f0862" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f4728fd3429297bed15c44e8a40a831ff0650a5b968111b9af09e4994246dd8
[INFO] running `Command { std: "docker" "start" "-a" "9f4728fd3429297bed15c44e8a40a831ff0650a5b968111b9af09e4994246dd8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking safe-mix v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.89s
[INFO] running `Command { std: "docker" "inspect" "9f4728fd3429297bed15c44e8a40a831ff0650a5b968111b9af09e4994246dd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f4728fd3429297bed15c44e8a40a831ff0650a5b968111b9af09e4994246dd8", kill_on_drop: false }`
[INFO] [stdout] 9f4728fd3429297bed15c44e8a40a831ff0650a5b968111b9af09e4994246dd8