[INFO] crate rename-extensions 0.3.0 is already in cache
[INFO] extracting crate rename-extensions 0.3.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/rename-extensions/0.3.0
[INFO] extracting crate rename-extensions 0.3.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rename-extensions/0.3.0
[INFO] validating manifest of rename-extensions-0.3.0 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 rename-extensions-0.3.0 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 rename-extensions-0.3.0
[INFO] finished frobbing rename-extensions-0.3.0
[INFO] frobbed toml for rename-extensions-0.3.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/rename-extensions/0.3.0/Cargo.toml
[INFO] started frobbing rename-extensions-0.3.0
[INFO] finished frobbing rename-extensions-0.3.0
[INFO] frobbed toml for rename-extensions-0.3.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rename-extensions/0.3.0/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 rename-extensions-0.3.0 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rename-extensions/0.3.0:/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] 8b081676290efbedb6cd4e96c5cd65c897a03f08131b49bee13fa72cd3305f14
[INFO] running `"docker" "start" "-a" "8b081676290efbedb6cd4e96c5cd65c897a03f08131b49bee13fa72cd3305f14"`
[INFO] [stderr]    Compiling textwrap v0.8.0
[INFO] [stderr]    Compiling clap v2.26.2
[INFO] [stderr]    Compiling rename-extensions v0.3.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.13s
[INFO] running `"docker" "inspect" "8b081676290efbedb6cd4e96c5cd65c897a03f08131b49bee13fa72cd3305f14"`
[INFO] running `"docker" "rm" "-f" "8b081676290efbedb6cd4e96c5cd65c897a03f08131b49bee13fa72cd3305f14"`
[INFO] [stdout] 8b081676290efbedb6cd4e96c5cd65c897a03f08131b49bee13fa72cd3305f14
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rename-extensions/0.3.0:/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" "test" "--frozen" "--no-run"`
[INFO] [stdout] 58bd49657d18141c1cff3da3ecdf07e8b9f6d2a2740d5c0ef1577f85d543749d
[INFO] running `"docker" "start" "-a" "58bd49657d18141c1cff3da3ecdf07e8b9f6d2a2740d5c0ef1577f85d543749d"`
[INFO] [stderr]    Compiling rename-extensions v0.3.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "58bd49657d18141c1cff3da3ecdf07e8b9f6d2a2740d5c0ef1577f85d543749d"`
[INFO] running `"docker" "rm" "-f" "58bd49657d18141c1cff3da3ecdf07e8b9f6d2a2740d5c0ef1577f85d543749d"`
[INFO] [stdout] 58bd49657d18141c1cff3da3ecdf07e8b9f6d2a2740d5c0ef1577f85d543749d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rename-extensions/0.3.0:/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" "test" "--frozen"`
[INFO] [stdout] 88183f279fc49846f4faf79ba6224078769fab036ae847d4177f99685fe074ab
[INFO] running `"docker" "start" "-a" "88183f279fc49846f4faf79ba6224078769fab036ae847d4177f99685fe074ab"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rename_extensions-236044dd0de5b200
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "88183f279fc49846f4faf79ba6224078769fab036ae847d4177f99685fe074ab"`
[INFO] running `"docker" "rm" "-f" "88183f279fc49846f4faf79ba6224078769fab036ae847d4177f99685fe074ab"`
[INFO] [stdout] 88183f279fc49846f4faf79ba6224078769fab036ae847d4177f99685fe074ab