[INFO] crate mango_compiler_optimizing 0.1.0 is already in cache
[INFO] extracting crate mango_compiler_optimizing 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/mango_compiler_optimizing/0.1.0
[INFO] extracting crate mango_compiler_optimizing 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mango_compiler_optimizing/0.1.0
[INFO] validating manifest of mango_compiler_optimizing-0.1.0 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 mango_compiler_optimizing-0.1.0 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 mango_compiler_optimizing-0.1.0
[INFO] finished frobbing mango_compiler_optimizing-0.1.0
[INFO] frobbed toml for mango_compiler_optimizing-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/mango_compiler_optimizing/0.1.0/Cargo.toml
[INFO] started frobbing mango_compiler_optimizing-0.1.0
[INFO] finished frobbing mango_compiler_optimizing-0.1.0
[INFO] frobbed toml for mango_compiler_optimizing-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mango_compiler_optimizing/0.1.0/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 mango_compiler_optimizing-0.1.0 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mango_compiler_optimizing/0.1.0:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 38aa1cab09314df2cce74452241c09ef820eca3fbb6f2dc0743b3b0ffda87ccf
[INFO] running `"docker" "start" "-a" "38aa1cab09314df2cce74452241c09ef820eca3fbb6f2dc0743b3b0ffda87ccf"`
[INFO] [stderr]    Compiling mango_compiler_optimizing v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `"docker" "inspect" "38aa1cab09314df2cce74452241c09ef820eca3fbb6f2dc0743b3b0ffda87ccf"`
[INFO] running `"docker" "rm" "-f" "38aa1cab09314df2cce74452241c09ef820eca3fbb6f2dc0743b3b0ffda87ccf"`
[INFO] [stdout] 38aa1cab09314df2cce74452241c09ef820eca3fbb6f2dc0743b3b0ffda87ccf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mango_compiler_optimizing/0.1.0:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9d116957f8dc8cede71621078e809215c953fec1c9fdaf6437c77b60f8dd6612
[INFO] running `"docker" "start" "-a" "9d116957f8dc8cede71621078e809215c953fec1c9fdaf6437c77b60f8dd6612"`
[INFO] [stderr]    Compiling mango_compiler_optimizing v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `"docker" "inspect" "9d116957f8dc8cede71621078e809215c953fec1c9fdaf6437c77b60f8dd6612"`
[INFO] running `"docker" "rm" "-f" "9d116957f8dc8cede71621078e809215c953fec1c9fdaf6437c77b60f8dd6612"`
[INFO] [stdout] 9d116957f8dc8cede71621078e809215c953fec1c9fdaf6437c77b60f8dd6612
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mango_compiler_optimizing/0.1.0:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 8d9ad2f8506653540ad602c27c3dbbfeb59039be76706daed2fd06adfdade6f7
[INFO] running `"docker" "start" "-a" "8d9ad2f8506653540ad602c27c3dbbfeb59039be76706daed2fd06adfdade6f7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mango_compiler_optimizing-f151c602b4e07aea
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests mango_compiler_optimizing
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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" "8d9ad2f8506653540ad602c27c3dbbfeb59039be76706daed2fd06adfdade6f7"`
[INFO] running `"docker" "rm" "-f" "8d9ad2f8506653540ad602c27c3dbbfeb59039be76706daed2fd06adfdade6f7"`
[INFO] [stdout] 8d9ad2f8506653540ad602c27c3dbbfeb59039be76706daed2fd06adfdade6f7