[INFO] crate cassie 0.1.2 is already in cache
[INFO] extracting crate cassie 0.1.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/cassie/0.1.2
[INFO] extracting crate cassie 0.1.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/cassie/0.1.2
[INFO] validating manifest of cassie-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 cassie-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 cassie-0.1.2
[INFO] finished frobbing cassie-0.1.2
[INFO] frobbed toml for cassie-0.1.2 written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/reg/cassie/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 cassie-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-7/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/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 1aa94e72dffc46ee3c00e88c333691fffbd79265217b6b2aee6099ab238bdd29
[INFO] running `"docker" "start" "-a" "1aa94e72dffc46ee3c00e88c333691fffbd79265217b6b2aee6099ab238bdd29"`
[INFO] [stderr]    Compiling cassie v0.1.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "1aa94e72dffc46ee3c00e88c333691fffbd79265217b6b2aee6099ab238bdd29"`
[INFO] running `"docker" "rm" "-f" "1aa94e72dffc46ee3c00e88c333691fffbd79265217b6b2aee6099ab238bdd29"`
[INFO] [stdout] 1aa94e72dffc46ee3c00e88c333691fffbd79265217b6b2aee6099ab238bdd29
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7c75befd1a9423f3f1b46bfe95a020deb63e7eda2be70928faaca269318bb3a2
[INFO] running `"docker" "start" "-a" "7c75befd1a9423f3f1b46bfe95a020deb63e7eda2be70928faaca269318bb3a2"`
[INFO] [stderr]    Compiling cassie v0.1.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `"docker" "inspect" "7c75befd1a9423f3f1b46bfe95a020deb63e7eda2be70928faaca269318bb3a2"`
[INFO] running `"docker" "rm" "-f" "7c75befd1a9423f3f1b46bfe95a020deb63e7eda2be70928faaca269318bb3a2"`
[INFO] [stdout] 7c75befd1a9423f3f1b46bfe95a020deb63e7eda2be70928faaca269318bb3a2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] ff5b54313f96b8a7dbceabe47083f5aba312bd2403a48a238b52e0a3c4e1dda4
[INFO] running `"docker" "start" "-a" "ff5b54313f96b8a7dbceabe47083f5aba312bd2403a48a238b52e0a3c4e1dda4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cassie-a632a51dec060c4a
[INFO] [stderr]    Doc-tests cassie
[INFO] [stdout] 
[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] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/term.rs - term::Term::Difference (line 68) ... ok
[INFO] [stdout] test src/term.rs - term::Term::Constant (line 37) ... ok
[INFO] [stdout] test src/term.rs - term::Term::Sum (line 49) ... ok
[INFO] [stdout] test src/term.rs - term::Term::Quotient (line 108) ... ok
[INFO] [stdout] test src/term.rs - term::Term::Product (line 87) ... ok
[INFO] [stdout] test src/term.rs - term::Term::reduce (line 186) ... 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::new (line 29) ... ok
[INFO] [stdout] test src/variable.rs - variable::Variable::from_str (line 60) ... ok
[INFO] [stdout] test src/variable.rs - variable::Variable::fmt (line 44) ... ok
[INFO] [stdout] test src/variable.rs - variable::Variable::named (line 16) ... 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" "ff5b54313f96b8a7dbceabe47083f5aba312bd2403a48a238b52e0a3c4e1dda4"`
[INFO] running `"docker" "rm" "-f" "ff5b54313f96b8a7dbceabe47083f5aba312bd2403a48a238b52e0a3c4e1dda4"`
[INFO] [stdout] ff5b54313f96b8a7dbceabe47083f5aba312bd2403a48a238b52e0a3c4e1dda4