[INFO] updating cached repository soenkehahn/rust-macro-playground
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/soenkehahn/rust-macro-playground
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/soenkehahn/rust-macro-playground" "work/ex/beta-1.37-6/sources/1.36.0/gh/soenkehahn/rust-macro-playground"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/soenkehahn/rust-macro-playground'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/soenkehahn/rust-macro-playground" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/soenkehahn/rust-macro-playground"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/soenkehahn/rust-macro-playground'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d1554c05f7653af7a9abad5319fd469d1aca49cb
[INFO] sha for GitHub repo soenkehahn/rust-macro-playground: d1554c05f7653af7a9abad5319fd469d1aca49cb
[INFO] validating manifest of soenkehahn/rust-macro-playground 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 soenkehahn/rust-macro-playground 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 soenkehahn/rust-macro-playground
[INFO] finished frobbing soenkehahn/rust-macro-playground
[INFO] frobbed toml for soenkehahn/rust-macro-playground written to work/ex/beta-1.37-6/sources/1.36.0/gh/soenkehahn/rust-macro-playground/Cargo.toml
[INFO] started frobbing soenkehahn/rust-macro-playground
[INFO] finished frobbing soenkehahn/rust-macro-playground
[INFO] frobbed toml for soenkehahn/rust-macro-playground written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/soenkehahn/rust-macro-playground/Cargo.toml
[INFO] crate soenkehahn/rust-macro-playground already has a lockfile, it will not be regenerated
[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 soenkehahn/rust-macro-playground 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-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/soenkehahn/rust-macro-playground:/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] 8dc09e9ceb25b84fbe1ff276bac4820fd938b6af6d6a33ce84eee4fd27302357
[INFO] running `"docker" "start" "-a" "8dc09e9ceb25b84fbe1ff276bac4820fd938b6af6d6a33ce84eee4fd27302357"`
[INFO] [stderr]    Compiling rust-macros v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "8dc09e9ceb25b84fbe1ff276bac4820fd938b6af6d6a33ce84eee4fd27302357"`
[INFO] running `"docker" "rm" "-f" "8dc09e9ceb25b84fbe1ff276bac4820fd938b6af6d6a33ce84eee4fd27302357"`
[INFO] [stdout] 8dc09e9ceb25b84fbe1ff276bac4820fd938b6af6d6a33ce84eee4fd27302357
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/soenkehahn/rust-macro-playground:/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] 8b337b438115e1ef9a73cd5af59c1c20e6c5f050bc65f8de11bd525bc2db79d7
[INFO] running `"docker" "start" "-a" "8b337b438115e1ef9a73cd5af59c1c20e6c5f050bc65f8de11bd525bc2db79d7"`
[INFO] [stderr]    Compiling rust-macros v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `"docker" "inspect" "8b337b438115e1ef9a73cd5af59c1c20e6c5f050bc65f8de11bd525bc2db79d7"`
[INFO] running `"docker" "rm" "-f" "8b337b438115e1ef9a73cd5af59c1c20e6c5f050bc65f8de11bd525bc2db79d7"`
[INFO] [stdout] 8b337b438115e1ef9a73cd5af59c1c20e6c5f050bc65f8de11bd525bc2db79d7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/soenkehahn/rust-macro-playground:/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] 5a82e8aca348b3314709e17b008b89866718a01a6f5d9467a0c5a98c31490270
[INFO] running `"docker" "start" "-a" "5a82e8aca348b3314709e17b008b89866718a01a6f5d9467a0c5a98c31490270"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_macros-aaa82b30f926206f
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test eval::test::allows_to_implement_not_with_alpha_conversion ... ok
[INFO] [stdout] test eval::test::allows_to_implement_not_without_alpha_conversion ... ok
[INFO] [stdout] test eval::test::allows_to_implement_fst ... ok
[INFO] [stdout] test eval::test::make_variables_unique::does_not_use_existing_variables ... ok
[INFO] [stdout] test parser::test::parses_applications ... ok
[INFO] [stdout] test parser::test::parses_chains_of_applications ... ok
[INFO] [stdout] test eval::test::does_terminate_on_free_variable_applications ... ok
[INFO] [stdout] test eval::test::evaluates_identity_function ... ok
[INFO] [stdout] test parser::test::parses_chains_of_applications_as_lambda_bodies ... ok
[INFO] [stdout] test parser::test::parses_complex_terms ... ok
[INFO] [stdout] test parser::test::parses_parenthesis ... ok
[INFO] [stdout] test parser::test::parses_parenthesized_lambdas ... ok
[INFO] [stdout] test parser::test::parses_variables ... ok
[INFO] [stdout] test eval::test::get_used_variables::does_return_the_current_identifiers ... ok
[INFO] [stdout] test eval::test::make_variables_unique::works ... ok
[INFO] [stdout] test eval::test::proper_alpha_conversion ... ok
[INFO] [stdout] test parser::test::parses_functions_with_multiple_arguments ... ok
[INFO] [stdout] test parser::test::parses_lambdas ... ok
[INFO] [stdout] test eval::test::allows_to_implement_apply ... ok
[INFO] [stdout] test eval::test::allows_to_apply_not_three_times ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "5a82e8aca348b3314709e17b008b89866718a01a6f5d9467a0c5a98c31490270"`
[INFO] running `"docker" "rm" "-f" "5a82e8aca348b3314709e17b008b89866718a01a6f5d9467a0c5a98c31490270"`
[INFO] [stdout] 5a82e8aca348b3314709e17b008b89866718a01a6f5d9467a0c5a98c31490270