[INFO] updating cached repository savish/rcomm
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/savish/rcomm
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/savish/rcomm" "work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/savish/rcomm"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/savish/rcomm'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/savish/rcomm" "work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/savish/rcomm"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/savish/rcomm'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7f869288f07f761d2b7161c23b8a1cd8886df6bd
[INFO] sha for GitHub repo savish/rcomm: 7f869288f07f761d2b7161c23b8a1cd8886df6bd
[INFO] validating manifest of savish/rcomm on toolchain master#a850a426491e14186af2250549bf41256b5938d2
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of savish/rcomm on toolchain try#06a150c7d11500b41499224f165e9de1de096768
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing savish/rcomm
[INFO] finished frobbing savish/rcomm
[INFO] frobbed toml for savish/rcomm written to work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/savish/rcomm/Cargo.toml
[INFO] started frobbing savish/rcomm
[INFO] finished frobbing savish/rcomm
[INFO] frobbed toml for savish/rcomm written to work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/savish/rcomm/Cargo.toml
[INFO] crate savish/rcomm already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking savish/rcomm against master#a850a426491e14186af2250549bf41256b5938d2 for pr-60162
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60162/worker-4/master#a850a426491e14186af2250549bf41256b5938d2:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/savish/rcomm:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] fbe50d6ef1bc9eb792d4c682366118bdb0544925b4d7f9c76a1bd098a1963b8f
[INFO] running `"docker" "start" "-a" "fbe50d6ef1bc9eb792d4c682366118bdb0544925b4d7f9c76a1bd098a1963b8f"`
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]     Checking rcomm v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.79s
[INFO] running `"docker" "inspect" "fbe50d6ef1bc9eb792d4c682366118bdb0544925b4d7f9c76a1bd098a1963b8f"`
[INFO] running `"docker" "rm" "-f" "fbe50d6ef1bc9eb792d4c682366118bdb0544925b4d7f9c76a1bd098a1963b8f"`
[INFO] [stdout] fbe50d6ef1bc9eb792d4c682366118bdb0544925b4d7f9c76a1bd098a1963b8f