[INFO] crate emptypipe 0.2.2 is already in cache
[INFO] extracting crate emptypipe 0.2.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/emptypipe/0.2.2
[INFO] extracting crate emptypipe 0.2.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/emptypipe/0.2.2
[INFO] validating manifest of emptypipe-0.2.2 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 emptypipe-0.2.2 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 emptypipe-0.2.2
[INFO] finished frobbing emptypipe-0.2.2
[INFO] frobbed toml for emptypipe-0.2.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/emptypipe/0.2.2/Cargo.toml
[INFO] started frobbing emptypipe-0.2.2
[INFO] finished frobbing emptypipe-0.2.2
[INFO] frobbed toml for emptypipe-0.2.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/emptypipe/0.2.2/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 emptypipe-0.2.2 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/emptypipe/0.2.2:/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] b02507f5b2a95d802347ce0165f4e662d8c24c03b089baaae593debbbb00550b
[INFO] running `"docker" "start" "-a" "b02507f5b2a95d802347ce0165f4e662d8c24c03b089baaae593debbbb00550b"`
[INFO] [stderr]    Compiling emptypipe v0.2.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `"docker" "inspect" "b02507f5b2a95d802347ce0165f4e662d8c24c03b089baaae593debbbb00550b"`
[INFO] running `"docker" "rm" "-f" "b02507f5b2a95d802347ce0165f4e662d8c24c03b089baaae593debbbb00550b"`
[INFO] [stdout] b02507f5b2a95d802347ce0165f4e662d8c24c03b089baaae593debbbb00550b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/emptypipe/0.2.2:/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] ad50907372731700ecf4bb0ade00985ce7b70c07171155ab701ed28df114a355
[INFO] running `"docker" "start" "-a" "ad50907372731700ecf4bb0ade00985ce7b70c07171155ab701ed28df114a355"`
[INFO] [stderr]    Compiling emptypipe v0.2.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `"docker" "inspect" "ad50907372731700ecf4bb0ade00985ce7b70c07171155ab701ed28df114a355"`
[INFO] running `"docker" "rm" "-f" "ad50907372731700ecf4bb0ade00985ce7b70c07171155ab701ed28df114a355"`
[INFO] [stdout] ad50907372731700ecf4bb0ade00985ce7b70c07171155ab701ed28df114a355
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/emptypipe/0.2.2:/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] 530d85c47df72e8eb7efb465f617ae57e078c91d701f523407c4022207039fce
[INFO] running `"docker" "start" "-a" "530d85c47df72e8eb7efb465f617ae57e078c91d701f523407c4022207039fce"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/emptypipe-4a7ec55e329f159e
[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" "530d85c47df72e8eb7efb465f617ae57e078c91d701f523407c4022207039fce"`
[INFO] running `"docker" "rm" "-f" "530d85c47df72e8eb7efb465f617ae57e078c91d701f523407c4022207039fce"`
[INFO] [stdout] 530d85c47df72e8eb7efb465f617ae57e078c91d701f523407c4022207039fce