[INFO] updating cached repository BookOwl/rust-calculator
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/BookOwl/rust-calculator
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/BookOwl/rust-calculator" "work/ex/beta-1.38-1/sources/1.37.0/gh/BookOwl/rust-calculator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/BookOwl/rust-calculator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/BookOwl/rust-calculator" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BookOwl/rust-calculator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BookOwl/rust-calculator'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] de77ce1328f12ab7a8d9860336a7f5cb728be8d2
[INFO] sha for GitHub repo BookOwl/rust-calculator: de77ce1328f12ab7a8d9860336a7f5cb728be8d2
[INFO] validating manifest of BookOwl/rust-calculator 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 BookOwl/rust-calculator 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 BookOwl/rust-calculator
[INFO] finished frobbing BookOwl/rust-calculator
[INFO] frobbed toml for BookOwl/rust-calculator written to work/ex/beta-1.38-1/sources/1.37.0/gh/BookOwl/rust-calculator/Cargo.toml
[INFO] started frobbing BookOwl/rust-calculator
[INFO] finished frobbing BookOwl/rust-calculator
[INFO] frobbed toml for BookOwl/rust-calculator written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BookOwl/rust-calculator/Cargo.toml
[INFO] crate BookOwl/rust-calculator already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/BookOwl/rust-calculator/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[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 BookOwl/rust-calculator against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/BookOwl/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 89e03e8cd4cb3f6cb809c238818048aa2d28211a1916182ff9749e73bd91f515
[INFO] running `"docker" "start" "-a" "89e03e8cd4cb3f6cb809c238818048aa2d28211a1916182ff9749e73bd91f515"`
[INFO] [stderr]    Compiling calculator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]   --> src/main.rs:38:19
[INFO] [stderr]    |
[INFO] [stderr] 38 |     while !(input.trim_left().is_empty()) {
[INFO] [stderr]    |                   ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]   --> src/main.rs:39:23
[INFO] [stderr]    |
[INFO] [stderr] 39 |         input = input.trim_left().to_string();
[INFO] [stderr]    |                       ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]   --> src/main.rs:54:19
[INFO] [stderr]    |
[INFO] [stderr] 54 |             input.trim_left_matches(|c| c == '+' ||
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.54s
[INFO] running `"docker" "inspect" "89e03e8cd4cb3f6cb809c238818048aa2d28211a1916182ff9749e73bd91f515"`
[INFO] running `"docker" "rm" "-f" "89e03e8cd4cb3f6cb809c238818048aa2d28211a1916182ff9749e73bd91f515"`
[INFO] [stdout] 89e03e8cd4cb3f6cb809c238818048aa2d28211a1916182ff9749e73bd91f515
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/BookOwl/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7b63666c175e120c2509a1da6f0574c5c7770d307837e767cd30795292f0205c
[INFO] running `"docker" "start" "-a" "7b63666c175e120c2509a1da6f0574c5c7770d307837e767cd30795292f0205c"`
[INFO] [stderr]    Compiling calculator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]   --> src/main.rs:38:19
[INFO] [stderr]    |
[INFO] [stderr] 38 |     while !(input.trim_left().is_empty()) {
[INFO] [stderr]    |                   ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]   --> src/main.rs:39:23
[INFO] [stderr]    |
[INFO] [stderr] 39 |         input = input.trim_left().to_string();
[INFO] [stderr]    |                       ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]   --> src/main.rs:54:19
[INFO] [stderr]    |
[INFO] [stderr] 54 |             input.trim_left_matches(|c| c == '+' ||
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `"docker" "inspect" "7b63666c175e120c2509a1da6f0574c5c7770d307837e767cd30795292f0205c"`
[INFO] running `"docker" "rm" "-f" "7b63666c175e120c2509a1da6f0574c5c7770d307837e767cd30795292f0205c"`
[INFO] [stdout] 7b63666c175e120c2509a1da6f0574c5c7770d307837e767cd30795292f0205c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/BookOwl/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 5817102875d2ff8312e92058b5531c2df4357793da262909ef34d3c39c7cab1e
[INFO] running `"docker" "start" "-a" "5817102875d2ff8312e92058b5531c2df4357793da262909ef34d3c39c7cab1e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/calculator-298b9ebb8bdb68ac
[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" "5817102875d2ff8312e92058b5531c2df4357793da262909ef34d3c39c7cab1e"`
[INFO] running `"docker" "rm" "-f" "5817102875d2ff8312e92058b5531c2df4357793da262909ef34d3c39c7cab1e"`
[INFO] [stdout] 5817102875d2ff8312e92058b5531c2df4357793da262909ef34d3c39c7cab1e