[INFO] crate ers 0.0.0 is already in cache
[INFO] extracting crate ers 0.0.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/ers/0.0.0
[INFO] extracting crate ers 0.0.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ers/0.0.0
[INFO] validating manifest of ers-0.0.0 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 ers-0.0.0 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 ers-0.0.0
[INFO] finished frobbing ers-0.0.0
[INFO] frobbed toml for ers-0.0.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/ers/0.0.0/Cargo.toml
[INFO] started frobbing ers-0.0.0
[INFO] finished frobbing ers-0.0.0
[INFO] frobbed toml for ers-0.0.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ers/0.0.0/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 ers-0.0.0 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/ers/0.0.0:/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] 3e7e8b6d3def7b0130885e866b9c2de74175e54d61560e5bab9e6ac1b9fd052f
[INFO] running `"docker" "start" "-a" "3e7e8b6d3def7b0130885e866b9c2de74175e54d61560e5bab9e6ac1b9fd052f"`
[INFO] [stderr]    Compiling ers v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `"docker" "inspect" "3e7e8b6d3def7b0130885e866b9c2de74175e54d61560e5bab9e6ac1b9fd052f"`
[INFO] running `"docker" "rm" "-f" "3e7e8b6d3def7b0130885e866b9c2de74175e54d61560e5bab9e6ac1b9fd052f"`
[INFO] [stdout] 3e7e8b6d3def7b0130885e866b9c2de74175e54d61560e5bab9e6ac1b9fd052f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/ers/0.0.0:/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] 6d3bb3325324148f7c1af00fe5e9ee5233bab0d94d56c4900fb4491474d9c8bc
[INFO] running `"docker" "start" "-a" "6d3bb3325324148f7c1af00fe5e9ee5233bab0d94d56c4900fb4491474d9c8bc"`
[INFO] [stderr]    Compiling ers v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "6d3bb3325324148f7c1af00fe5e9ee5233bab0d94d56c4900fb4491474d9c8bc"`
[INFO] running `"docker" "rm" "-f" "6d3bb3325324148f7c1af00fe5e9ee5233bab0d94d56c4900fb4491474d9c8bc"`
[INFO] [stdout] 6d3bb3325324148f7c1af00fe5e9ee5233bab0d94d56c4900fb4491474d9c8bc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/ers/0.0.0:/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] 19450d209c17953c84d3192a56a8c0976680242f5533560f16fbedaaaff27775
[INFO] running `"docker" "start" "-a" "19450d209c17953c84d3192a56a8c0976680242f5533560f16fbedaaaff27775"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ers-1aff7ce4f495f01e
[INFO] [stderr]    Doc-tests ers
[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] [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" "19450d209c17953c84d3192a56a8c0976680242f5533560f16fbedaaaff27775"`
[INFO] running `"docker" "rm" "-f" "19450d209c17953c84d3192a56a8c0976680242f5533560f16fbedaaaff27775"`
[INFO] [stdout] 19450d209c17953c84d3192a56a8c0976680242f5533560f16fbedaaaff27775