[INFO] fetching crate uu_mknod 0.0.7...
[INFO] checking uu_mknod-0.0.7 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate uu_mknod 0.0.7 into /workspace/builds/worker-106/source
[INFO] validating manifest of crates.io crate uu_mknod 0.0.7 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate uu_mknod 0.0.7
[INFO] finished tweaking crates.io crate uu_mknod 0.0.7
[INFO] tweaked toml for crates.io crate uu_mknod 0.0.7 written to /workspace/builds/worker-106/source/Cargo.toml
[INFO] crate crates.io crate uu_mknod 0.0.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 87cb3019550f4c35b7009b95b11dfc20e226ebd938ce3f99186d8200e40622f1
[INFO] running `Command { std: "docker" "start" "-a" "87cb3019550f4c35b7009b95b11dfc20e226ebd938ce3f99186d8200e40622f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87cb3019550f4c35b7009b95b11dfc20e226ebd938ce3f99186d8200e40622f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87cb3019550f4c35b7009b95b11dfc20e226ebd938ce3f99186d8200e40622f1", kill_on_drop: false }`
[INFO] [stdout] 87cb3019550f4c35b7009b95b11dfc20e226ebd938ce3f99186d8200e40622f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1fa7d42a3305356b9fab825eab1bd4e4d383488aa2580705aa06ad1d48abc700
[INFO] running `Command { std: "docker" "start" "-a" "1fa7d42a3305356b9fab825eab1bd4e4d383488aa2580705aa06ad1d48abc700", kill_on_drop: false }`
[INFO] [stderr]     Checking uucore v0.0.9
[INFO] [stderr]     Checking uu_mknod v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "1fa7d42a3305356b9fab825eab1bd4e4d383488aa2580705aa06ad1d48abc700", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fa7d42a3305356b9fab825eab1bd4e4d383488aa2580705aa06ad1d48abc700", kill_on_drop: false }`
[INFO] [stdout] 1fa7d42a3305356b9fab825eab1bd4e4d383488aa2580705aa06ad1d48abc700