[INFO] updating cached repository masa-suzu/calculator
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/masa-suzu/calculator
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/masa-suzu/calculator" "work/ex/beta-1.37-6/sources/1.36.0/gh/masa-suzu/calculator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/masa-suzu/calculator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/masa-suzu/calculator" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/masa-suzu/calculator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/masa-suzu/calculator'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a05721c27e642611c730e05251e63b3048ff7951
[INFO] sha for GitHub repo masa-suzu/calculator: a05721c27e642611c730e05251e63b3048ff7951
[INFO] validating manifest of masa-suzu/calculator 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 masa-suzu/calculator 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 masa-suzu/calculator
[INFO] finished frobbing masa-suzu/calculator
[INFO] frobbed toml for masa-suzu/calculator written to work/ex/beta-1.37-6/sources/1.36.0/gh/masa-suzu/calculator/Cargo.toml
[INFO] started frobbing masa-suzu/calculator
[INFO] finished frobbing masa-suzu/calculator
[INFO] frobbed toml for masa-suzu/calculator written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/masa-suzu/calculator/Cargo.toml
[INFO] crate masa-suzu/calculator 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 masa-suzu/calculator against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/masa-suzu/calculator:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 0fb757eb991f5a91770bf07f75f0aa524048a12be44771884f77387d9543f114
[INFO] running `"docker" "start" "-a" "0fb757eb991f5a91770bf07f75f0aa524048a12be44771884f77387d9543f114"`
[INFO] [stderr]    Compiling calculator v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/parser.rs:238:9
[INFO] [stderr]     |
[INFO] [stderr] 238 |         ///assert_eq!(want.len(), got.len());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 239 |         assert_eq!(want, got)
[INFO] [stderr]     |         --------------------- rustdoc does not generate documentation for expressions
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `"docker" "inspect" "0fb757eb991f5a91770bf07f75f0aa524048a12be44771884f77387d9543f114"`
[INFO] running `"docker" "rm" "-f" "0fb757eb991f5a91770bf07f75f0aa524048a12be44771884f77387d9543f114"`
[INFO] [stdout] 0fb757eb991f5a91770bf07f75f0aa524048a12be44771884f77387d9543f114
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/masa-suzu/calculator:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4ec8253529430aa0a0e75c27d9185915d5e2081a31a9ed41b44ff96cbacf65c8
[INFO] running `"docker" "start" "-a" "4ec8253529430aa0a0e75c27d9185915d5e2081a31a9ed41b44ff96cbacf65c8"`
[INFO] [stderr]    Compiling calculator v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/parser.rs:238:9
[INFO] [stderr]     |
[INFO] [stderr] 238 |         ///assert_eq!(want.len(), got.len());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 239 |         assert_eq!(want, got)
[INFO] [stderr]     |         --------------------- rustdoc does not generate documentation for expressions
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `"docker" "inspect" "4ec8253529430aa0a0e75c27d9185915d5e2081a31a9ed41b44ff96cbacf65c8"`
[INFO] running `"docker" "rm" "-f" "4ec8253529430aa0a0e75c27d9185915d5e2081a31a9ed41b44ff96cbacf65c8"`
[INFO] [stdout] 4ec8253529430aa0a0e75c27d9185915d5e2081a31a9ed41b44ff96cbacf65c8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/masa-suzu/calculator:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 590b659b33e4e700411f51a4b317e4436bdf5eb802ebed7f42ac6aa4677c3525
[INFO] running `"docker" "start" "-a" "590b659b33e4e700411f51a4b317e4436bdf5eb802ebed7f42ac6aa4677c3525"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/calculator-f5e5bb9dade4201a
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test evaluator::tests::test_group ... ok
[INFO] [stdout] test compiler::tests::test_compile ... ok
[INFO] [stdout] test lexer::tests::test_next_token ... ok
[INFO] [stdout] test parser::tests::test_literals ... ok
[INFO] [stdout] test evaluator::tests::test_literal ... ok
[INFO] [stdout] test evaluator::tests::test_infix ... ok
[INFO] [stdout] test evaluator::tests::test_prefix ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "590b659b33e4e700411f51a4b317e4436bdf5eb802ebed7f42ac6aa4677c3525"`
[INFO] running `"docker" "rm" "-f" "590b659b33e4e700411f51a4b317e4436bdf5eb802ebed7f42ac6aa4677c3525"`
[INFO] [stdout] 590b659b33e4e700411f51a4b317e4436bdf5eb802ebed7f42ac6aa4677c3525