[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-1.37-6/sources/1.36.0/reg/if-let-return/0.1.1
[INFO] extracting crate if-let-return 0.1.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/if-let-return/0.1.1
[INFO] validating manifest of if-let-return-0.1.1 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of if-let-return-0.1.1 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/reg/if-let-return/0.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing if-let-return-0.1.1 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] aea8ddb0f72b3b87f87184e4d6149b6ae3d0bb767199a15004ce4e0fded6ba2d
[INFO] running `"docker" "start" "-a" "aea8ddb0f72b3b87f87184e4d6149b6ae3d0bb767199a15004ce4e0fded6ba2d"`
[INFO] [stderr]    Compiling if-let-return v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `"docker" "inspect" "aea8ddb0f72b3b87f87184e4d6149b6ae3d0bb767199a15004ce4e0fded6ba2d"`
[INFO] running `"docker" "rm" "-f" "aea8ddb0f72b3b87f87184e4d6149b6ae3d0bb767199a15004ce4e0fded6ba2d"`
[INFO] [stdout] aea8ddb0f72b3b87f87184e4d6149b6ae3d0bb767199a15004ce4e0fded6ba2d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 27be78cad50cbae04fb01fbd073e3b384fc423d3116e49b513c4a8f35cda3b0a
[INFO] running `"docker" "start" "-a" "27be78cad50cbae04fb01fbd073e3b384fc423d3116e49b513c4a8f35cda3b0a"`
[INFO] [stderr]    Compiling if-let-return v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `"docker" "inspect" "27be78cad50cbae04fb01fbd073e3b384fc423d3116e49b513c4a8f35cda3b0a"`
[INFO] running `"docker" "rm" "-f" "27be78cad50cbae04fb01fbd073e3b384fc423d3116e49b513c4a8f35cda3b0a"`
[INFO] [stdout] 27be78cad50cbae04fb01fbd073e3b384fc423d3116e49b513c4a8f35cda3b0a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] b0c18b7293c145c88aef59d78aad5ad2e4981a91c9dae7704e37968db7eb30ff
[INFO] running `"docker" "start" "-a" "b0c18b7293c145c88aef59d78aad5ad2e4981a91c9dae7704e37968db7eb30ff"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/if_let_return-33bbe5be1dfacd12
[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" "b0c18b7293c145c88aef59d78aad5ad2e4981a91c9dae7704e37968db7eb30ff"`
[INFO] running `"docker" "rm" "-f" "b0c18b7293c145c88aef59d78aad5ad2e4981a91c9dae7704e37968db7eb30ff"`
[INFO] [stdout] b0c18b7293c145c88aef59d78aad5ad2e4981a91c9dae7704e37968db7eb30ff