[INFO] crate cassie 0.1.2 is already in cache
[INFO] extracting crate cassie 0.1.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/cassie/0.1.2
[INFO] extracting crate cassie 0.1.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/cassie/0.1.2
[INFO] validating manifest of cassie-0.1.2 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 cassie-0.1.2 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 cassie-0.1.2
[INFO] finished frobbing cassie-0.1.2
[INFO] frobbed toml for cassie-0.1.2 written to work/ex/beta-1.37-6/sources/1.36.0/reg/cassie/0.1.2/Cargo.toml
[INFO] started frobbing cassie-0.1.2
[INFO] finished frobbing cassie-0.1.2
[INFO] frobbed toml for cassie-0.1.2 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/cassie/0.1.2/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 cassie-0.1.2 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/cassie/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 520e34f2c11a7721619198f137dfdfad60aa017e2e71a09b4db10a7db7c74de0
[INFO] running `"docker" "start" "-a" "520e34f2c11a7721619198f137dfdfad60aa017e2e71a09b4db10a7db7c74de0"`
[INFO] [stderr]    Compiling cassie v0.1.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "520e34f2c11a7721619198f137dfdfad60aa017e2e71a09b4db10a7db7c74de0"`
[INFO] running `"docker" "rm" "-f" "520e34f2c11a7721619198f137dfdfad60aa017e2e71a09b4db10a7db7c74de0"`
[INFO] [stdout] 520e34f2c11a7721619198f137dfdfad60aa017e2e71a09b4db10a7db7c74de0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/cassie/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7164e5f1e347c382ac25022ed2a7d95b26efc91adb1f363aa4a16a52d0fef4af
[INFO] running `"docker" "start" "-a" "7164e5f1e347c382ac25022ed2a7d95b26efc91adb1f363aa4a16a52d0fef4af"`
[INFO] [stderr]    Compiling cassie v0.1.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `"docker" "inspect" "7164e5f1e347c382ac25022ed2a7d95b26efc91adb1f363aa4a16a52d0fef4af"`
[INFO] running `"docker" "rm" "-f" "7164e5f1e347c382ac25022ed2a7d95b26efc91adb1f363aa4a16a52d0fef4af"`
[INFO] [stdout] 7164e5f1e347c382ac25022ed2a7d95b26efc91adb1f363aa4a16a52d0fef4af
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/cassie/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] abbbf1c5d3cad4460e1a963281e667a18a028ef8ee7c85b0d0be9e36e1df91b2
[INFO] running `"docker" "start" "-a" "abbbf1c5d3cad4460e1a963281e667a18a028ef8ee7c85b0d0be9e36e1df91b2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cassie-b65e96dd3a8f0da3
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test variable::tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cassie
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/term.rs - term::Term::Quotient (line 108) ... ok
[INFO] [stdout] test src/term.rs - term::Term::Constant (line 37) ... ok
[INFO] [stdout] test src/term.rs - term::Term::Difference (line 68) ... ok
[INFO] [stdout] test src/term.rs - term::Term::reduce (line 186) ... ok
[INFO] [stdout] test src/term.rs - term::Term::Product (line 87) ... ok
[INFO] [stdout] test src/term.rs - term::Term::Sum (line 49) ... ok
[INFO] [stdout] test src/term.rs - term::Term::Variable (line 20) ... ok
[INFO] [stdout] test src/term.rs - term::Term::evaluate (line 164) ... ok
[INFO] [stdout] test src/variable.rs - variable::Variable::named (line 16) ... ok
[INFO] [stdout] test src/variable.rs - variable::Variable::new (line 29) ... ok
[INFO] [stdout] test src/variable.rs - variable::Variable::fmt (line 44) ... ok
[INFO] [stdout] test src/variable.rs - variable::Variable::from_str (line 60) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "abbbf1c5d3cad4460e1a963281e667a18a028ef8ee7c85b0d0be9e36e1df91b2"`
[INFO] running `"docker" "rm" "-f" "abbbf1c5d3cad4460e1a963281e667a18a028ef8ee7c85b0d0be9e36e1df91b2"`
[INFO] [stdout] abbbf1c5d3cad4460e1a963281e667a18a028ef8ee7c85b0d0be9e36e1df91b2