[INFO] crate indoc 0.3.3 is already in cache
[INFO] extracting crate indoc 0.3.3 into work/ex/beta-1.37-6/sources/1.36.0/reg/indoc/0.3.3
[INFO] extracting crate indoc 0.3.3 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/indoc/0.3.3
[INFO] validating manifest of indoc-0.3.3 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of indoc-0.3.3 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing indoc-0.3.3
[INFO] finished frobbing indoc-0.3.3
[INFO] frobbed toml for indoc-0.3.3 written to work/ex/beta-1.37-6/sources/1.36.0/reg/indoc/0.3.3/Cargo.toml
[INFO] started frobbing indoc-0.3.3
[INFO] finished frobbing indoc-0.3.3
[INFO] frobbed toml for indoc-0.3.3 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/indoc/0.3.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing indoc-0.3.3 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/indoc/0.3.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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=warn" "-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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 87a0252b3cf09836ac2695c88851189312ebe1f0a248da8446955239b2470813
[INFO] running `"docker" "start" "-a" "87a0252b3cf09836ac2695c88851189312ebe1f0a248da8446955239b2470813"`
[INFO] [stderr] error: failed to update path override `/opt/crater/workdir/unindent` (defined in `/opt/crater/workdir/.cargo/config`)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to read directory `/opt/crater/workdir/unindent`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No such file or directory (os error 2)
[INFO] running `"docker" "inspect" "87a0252b3cf09836ac2695c88851189312ebe1f0a248da8446955239b2470813"`
[INFO] running `"docker" "rm" "-f" "87a0252b3cf09836ac2695c88851189312ebe1f0a248da8446955239b2470813"`
[INFO] [stdout] 87a0252b3cf09836ac2695c88851189312ebe1f0a248da8446955239b2470813