[INFO] updating cached repository iporsut/rust-utf8count
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/iporsut/rust-utf8count
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/iporsut/rust-utf8count" "work/ex/beta-1.37-6/sources/1.36.0/gh/iporsut/rust-utf8count"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/iporsut/rust-utf8count'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/iporsut/rust-utf8count" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/iporsut/rust-utf8count"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/iporsut/rust-utf8count'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bd14e4bd71cb7063b9c4f283580c03d08b2c98bc
[INFO] sha for GitHub repo iporsut/rust-utf8count: bd14e4bd71cb7063b9c4f283580c03d08b2c98bc
[INFO] validating manifest of iporsut/rust-utf8count 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 iporsut/rust-utf8count 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 iporsut/rust-utf8count
[INFO] finished frobbing iporsut/rust-utf8count
[INFO] frobbed toml for iporsut/rust-utf8count written to work/ex/beta-1.37-6/sources/1.36.0/gh/iporsut/rust-utf8count/Cargo.toml
[INFO] started frobbing iporsut/rust-utf8count
[INFO] finished frobbing iporsut/rust-utf8count
[INFO] frobbed toml for iporsut/rust-utf8count written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/iporsut/rust-utf8count/Cargo.toml
[INFO] crate iporsut/rust-utf8count 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 iporsut/rust-utf8count 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-2/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/iporsut/rust-utf8count:/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] c6d0cd1a4a6454900aee81952027de6d8d3fc53bcab9bae6d94915bf73b5713e
[INFO] running `"docker" "start" "-a" "c6d0cd1a4a6454900aee81952027de6d8d3fc53bcab9bae6d94915bf73b5713e"`
[INFO] [stderr]    Compiling utf8count 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:10:22
[INFO] [stderr]    |
[INFO] [stderr] 10 |     println!("{}", s.trim_right().chars().count());
[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 0.79s
[INFO] running `"docker" "inspect" "c6d0cd1a4a6454900aee81952027de6d8d3fc53bcab9bae6d94915bf73b5713e"`
[INFO] running `"docker" "rm" "-f" "c6d0cd1a4a6454900aee81952027de6d8d3fc53bcab9bae6d94915bf73b5713e"`
[INFO] [stdout] c6d0cd1a4a6454900aee81952027de6d8d3fc53bcab9bae6d94915bf73b5713e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/iporsut/rust-utf8count:/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] 237b0166d7493e9baf438fc3742fe060b453123809ffb5ce9bd8f33a187e96bc
[INFO] running `"docker" "start" "-a" "237b0166d7493e9baf438fc3742fe060b453123809ffb5ce9bd8f33a187e96bc"`
[INFO] [stderr]    Compiling utf8count 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:10:22
[INFO] [stderr]    |
[INFO] [stderr] 10 |     println!("{}", s.trim_right().chars().count());
[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 0.60s
[INFO] running `"docker" "inspect" "237b0166d7493e9baf438fc3742fe060b453123809ffb5ce9bd8f33a187e96bc"`
[INFO] running `"docker" "rm" "-f" "237b0166d7493e9baf438fc3742fe060b453123809ffb5ce9bd8f33a187e96bc"`
[INFO] [stdout] 237b0166d7493e9baf438fc3742fe060b453123809ffb5ce9bd8f33a187e96bc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/iporsut/rust-utf8count:/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] 828747cf6cef7a5fcc72655a107714fc5ad7b3b7d3aedc5025f5c2624310f425
[INFO] running `"docker" "start" "-a" "828747cf6cef7a5fcc72655a107714fc5ad7b3b7d3aedc5025f5c2624310f425"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/utf8count-02df9a3b7e2943e5
[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" "828747cf6cef7a5fcc72655a107714fc5ad7b3b7d3aedc5025f5c2624310f425"`
[INFO] running `"docker" "rm" "-f" "828747cf6cef7a5fcc72655a107714fc5ad7b3b7d3aedc5025f5c2624310f425"`
[INFO] [stdout] 828747cf6cef7a5fcc72655a107714fc5ad7b3b7d3aedc5025f5c2624310f425