[INFO] crate if-let-return 0.1.1 is already in cache
[INFO] extracting crate if-let-return 0.1.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/if-let-return/0.1.1
[INFO] extracting crate if-let-return 0.1.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/if-let-return/0.1.1
[INFO] validating manifest of if-let-return-0.1.1 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 if-let-return-0.1.1 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 if-let-return-0.1.1
[INFO] finished frobbing if-let-return-0.1.1
[INFO] frobbed toml for if-let-return-0.1.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/if-let-return/0.1.1/Cargo.toml
[INFO] started frobbing if-let-return-0.1.1
[INFO] finished frobbing if-let-return-0.1.1
[INFO] frobbed toml for if-let-return-0.1.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/if-let-return/0.1.1/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 if-let-return-0.1.1 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-6/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/if-let-return/0.1.1:/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] 6592abba20b19c56e8f910d5494adfb07e54ee91c11b6eecd35038e6f5509d40
[INFO] running `"docker" "start" "-a" "6592abba20b19c56e8f910d5494adfb07e54ee91c11b6eecd35038e6f5509d40"`
[INFO] [stderr]    Compiling if-let-return v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `"docker" "inspect" "6592abba20b19c56e8f910d5494adfb07e54ee91c11b6eecd35038e6f5509d40"`
[INFO] running `"docker" "rm" "-f" "6592abba20b19c56e8f910d5494adfb07e54ee91c11b6eecd35038e6f5509d40"`
[INFO] [stdout] 6592abba20b19c56e8f910d5494adfb07e54ee91c11b6eecd35038e6f5509d40
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/if-let-return/0.1.1:/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] a514c3711468e57ed44dbdb2fb8bae44836479dae39a39d9f6298cfda4527c3f
[INFO] running `"docker" "start" "-a" "a514c3711468e57ed44dbdb2fb8bae44836479dae39a39d9f6298cfda4527c3f"`
[INFO] [stderr]    Compiling if-let-return v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `"docker" "inspect" "a514c3711468e57ed44dbdb2fb8bae44836479dae39a39d9f6298cfda4527c3f"`
[INFO] running `"docker" "rm" "-f" "a514c3711468e57ed44dbdb2fb8bae44836479dae39a39d9f6298cfda4527c3f"`
[INFO] [stdout] a514c3711468e57ed44dbdb2fb8bae44836479dae39a39d9f6298cfda4527c3f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/if-let-return/0.1.1:/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] e4168880982dcf691314ff6b8c8f8aa659400672c470cce91268dbd995022de3
[INFO] running `"docker" "start" "-a" "e4168880982dcf691314ff6b8c8f8aa659400672c470cce91268dbd995022de3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/if_let_return-04636955f3fb6d78
[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] [stderr]    Doc-tests if-let-return
[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" "e4168880982dcf691314ff6b8c8f8aa659400672c470cce91268dbd995022de3"`
[INFO] running `"docker" "rm" "-f" "e4168880982dcf691314ff6b8c8f8aa659400672c470cce91268dbd995022de3"`
[INFO] [stdout] e4168880982dcf691314ff6b8c8f8aa659400672c470cce91268dbd995022de3