[INFO] crate countdown 0.1.2 is already in cache
[INFO] extracting crate countdown 0.1.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/countdown/0.1.2
[INFO] extracting crate countdown 0.1.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/countdown/0.1.2
[INFO] validating manifest of countdown-0.1.2 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 countdown-0.1.2 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 countdown-0.1.2
[INFO] finished frobbing countdown-0.1.2
[INFO] frobbed toml for countdown-0.1.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/countdown/0.1.2/Cargo.toml
[INFO] started frobbing countdown-0.1.2
[INFO] finished frobbing countdown-0.1.2
[INFO] frobbed toml for countdown-0.1.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/countdown/0.1.2/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 countdown-0.1.2 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-5/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/countdown/0.1.2:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] e6a0639e30ebdfd0d7897c8e6d3f9a6244585e390932f8e24e76b654b8f5b61a
[INFO] running `"docker" "start" "-a" "e6a0639e30ebdfd0d7897c8e6d3f9a6244585e390932f8e24e76b654b8f5b61a"`
[INFO] [stderr]    Compiling countdown v0.1.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `"docker" "inspect" "e6a0639e30ebdfd0d7897c8e6d3f9a6244585e390932f8e24e76b654b8f5b61a"`
[INFO] running `"docker" "rm" "-f" "e6a0639e30ebdfd0d7897c8e6d3f9a6244585e390932f8e24e76b654b8f5b61a"`
[INFO] [stdout] e6a0639e30ebdfd0d7897c8e6d3f9a6244585e390932f8e24e76b654b8f5b61a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/countdown/0.1.2:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 62f2bceb7fb899b78ba82ddfb7466cc87238c0462b29fcf0ade4cbd298bb59fb
[INFO] running `"docker" "start" "-a" "62f2bceb7fb899b78ba82ddfb7466cc87238c0462b29fcf0ade4cbd298bb59fb"`
[INFO] [stderr]    Compiling countdown v0.1.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `"docker" "inspect" "62f2bceb7fb899b78ba82ddfb7466cc87238c0462b29fcf0ade4cbd298bb59fb"`
[INFO] running `"docker" "rm" "-f" "62f2bceb7fb899b78ba82ddfb7466cc87238c0462b29fcf0ade4cbd298bb59fb"`
[INFO] [stdout] 62f2bceb7fb899b78ba82ddfb7466cc87238c0462b29fcf0ade4cbd298bb59fb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/countdown/0.1.2:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 9b9a07bafdb2beb9b9b560d36d7aa01305e5eb450c325939dceb7a4f6b3b6b2e
[INFO] running `"docker" "start" "-a" "9b9a07bafdb2beb9b9b560d36d7aa01305e5eb450c325939dceb7a4f6b3b6b2e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/countdown-7cbe9d4aaf208a9c
[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]      Running /opt/crater/target/debug/deps/countdown-5756cc0c72aaa0a9
[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 countdown
[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" "9b9a07bafdb2beb9b9b560d36d7aa01305e5eb450c325939dceb7a4f6b3b6b2e"`
[INFO] running `"docker" "rm" "-f" "9b9a07bafdb2beb9b9b560d36d7aa01305e5eb450c325939dceb7a4f6b3b6b2e"`
[INFO] [stdout] 9b9a07bafdb2beb9b9b560d36d7aa01305e5eb450c325939dceb7a4f6b3b6b2e