[INFO] updating cached repository andars/rust-calculator
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/andars/rust-calculator
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/andars/rust-calculator" "work/ex/beta-1.37-6/sources/1.36.0/gh/andars/rust-calculator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/andars/rust-calculator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/andars/rust-calculator" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/andars/rust-calculator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/andars/rust-calculator'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f0f51ce05c64faedf608f2371a27cd241f18480e
[INFO] sha for GitHub repo andars/rust-calculator: f0f51ce05c64faedf608f2371a27cd241f18480e
[INFO] validating manifest of andars/rust-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 andars/rust-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 andars/rust-calculator
[INFO] finished frobbing andars/rust-calculator
[INFO] frobbed toml for andars/rust-calculator written to work/ex/beta-1.37-6/sources/1.36.0/gh/andars/rust-calculator/Cargo.toml
[INFO] started frobbing andars/rust-calculator
[INFO] finished frobbing andars/rust-calculator
[INFO] frobbed toml for andars/rust-calculator written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/andars/rust-calculator/Cargo.toml
[INFO] crate andars/rust-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 andars/rust-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-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/andars/rust-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] b80c842f9d9dbce57f22a7022676602e2d66c377b9b422f31411937b02b180b2
[INFO] running `"docker" "start" "-a" "b80c842f9d9dbce57f22a7022676602e2d66c377b9b422f31411937b02b180b2"`
[INFO] [stderr]    Compiling rust-calculator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/main.rs:38:45
[INFO] [stderr]    |
[INFO] [stderr] 38 |                 let expression_text = input.trim_right();
[INFO] [stderr]    |                                             ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `"docker" "inspect" "b80c842f9d9dbce57f22a7022676602e2d66c377b9b422f31411937b02b180b2"`
[INFO] running `"docker" "rm" "-f" "b80c842f9d9dbce57f22a7022676602e2d66c377b9b422f31411937b02b180b2"`
[INFO] [stdout] b80c842f9d9dbce57f22a7022676602e2d66c377b9b422f31411937b02b180b2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/andars/rust-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] ea271735ec5b933c142329da3b1c5bfb5759479ec6092ff55b539c5e99c65a2d
[INFO] running `"docker" "start" "-a" "ea271735ec5b933c142329da3b1c5bfb5759479ec6092ff55b539c5e99c65a2d"`
[INFO] [stderr]    Compiling rust-calculator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/main.rs:38:45
[INFO] [stderr]    |
[INFO] [stderr] 38 |                 let expression_text = input.trim_right();
[INFO] [stderr]    |                                             ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `"docker" "inspect" "ea271735ec5b933c142329da3b1c5bfb5759479ec6092ff55b539c5e99c65a2d"`
[INFO] running `"docker" "rm" "-f" "ea271735ec5b933c142329da3b1c5bfb5759479ec6092ff55b539c5e99c65a2d"`
[INFO] [stdout] ea271735ec5b933c142329da3b1c5bfb5759479ec6092ff55b539c5e99c65a2d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/andars/rust-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] 50a2b6324e5b1661fb54a5e2b5388c3454dbcf1aa1c37fbd5a8c306d81fcc8a2
[INFO] running `"docker" "start" "-a" "50a2b6324e5b1661fb54a5e2b5388c3454dbcf1aa1c37fbd5a8c306d81fcc8a2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_calculator-9e585d91737299ff
[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" "50a2b6324e5b1661fb54a5e2b5388c3454dbcf1aa1c37fbd5a8c306d81fcc8a2"`
[INFO] running `"docker" "rm" "-f" "50a2b6324e5b1661fb54a5e2b5388c3454dbcf1aa1c37fbd5a8c306d81fcc8a2"`
[INFO] [stdout] 50a2b6324e5b1661fb54a5e2b5388c3454dbcf1aa1c37fbd5a8c306d81fcc8a2