[INFO] crate indoc 0.3.3 is already in cache
[INFO] extracting crate indoc 0.3.3 into work/ex/beta-1.38-1/sources/1.37.0/reg/indoc/0.3.3
[INFO] extracting crate indoc 0.3.3 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/indoc/0.3.3
[INFO] validating manifest of indoc-0.3.3 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of indoc-0.3.3 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/reg/indoc/0.3.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing indoc-0.3.3 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 0c67fbe291231e77f9efc8acd9ca319418cde45ae6bc07b0cc668160b3a0737d
[INFO] running `"docker" "start" "-a" "0c67fbe291231e77f9efc8acd9ca319418cde45ae6bc07b0cc668160b3a0737d"`
[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" "0c67fbe291231e77f9efc8acd9ca319418cde45ae6bc07b0cc668160b3a0737d"`
[INFO] running `"docker" "rm" "-f" "0c67fbe291231e77f9efc8acd9ca319418cde45ae6bc07b0cc668160b3a0737d"`
[INFO] [stdout] 0c67fbe291231e77f9efc8acd9ca319418cde45ae6bc07b0cc668160b3a0737d