[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-1.38-1/sources/1.37.0/gh/iporsut/rust-utf8count"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/iporsut/rust-utf8count'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/iporsut/rust-utf8count" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/iporsut/rust-utf8count"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of iporsut/rust-utf8count 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 iporsut/rust-utf8count
[INFO] finished frobbing iporsut/rust-utf8count
[INFO] frobbed toml for iporsut/rust-utf8count written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing iporsut/rust-utf8count against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 1793204ce11b69fd851a2c181314974d1162c3312118d095ccc43d4fff078e16
[INFO] running `"docker" "start" "-a" "1793204ce11b69fd851a2c181314974d1162c3312118d095ccc43d4fff078e16"`
[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 0.57s
[INFO] running `"docker" "inspect" "1793204ce11b69fd851a2c181314974d1162c3312118d095ccc43d4fff078e16"`
[INFO] running `"docker" "rm" "-f" "1793204ce11b69fd851a2c181314974d1162c3312118d095ccc43d4fff078e16"`
[INFO] [stdout] 1793204ce11b69fd851a2c181314974d1162c3312118d095ccc43d4fff078e16
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 20cdf538868e89bc3daaf449eaed662582e3110358aa0e78bb95f7dbee123457
[INFO] running `"docker" "start" "-a" "20cdf538868e89bc3daaf449eaed662582e3110358aa0e78bb95f7dbee123457"`
[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 0.47s
[INFO] running `"docker" "inspect" "20cdf538868e89bc3daaf449eaed662582e3110358aa0e78bb95f7dbee123457"`
[INFO] running `"docker" "rm" "-f" "20cdf538868e89bc3daaf449eaed662582e3110358aa0e78bb95f7dbee123457"`
[INFO] [stdout] 20cdf538868e89bc3daaf449eaed662582e3110358aa0e78bb95f7dbee123457
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] e496b55cfcefd33e025623a7046c65ce2638ada3b694303aa5c4ae1cc1b9c693
[INFO] running `"docker" "start" "-a" "e496b55cfcefd33e025623a7046c65ce2638ada3b694303aa5c4ae1cc1b9c693"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/utf8count-42d2197ea4b178c6
[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" "e496b55cfcefd33e025623a7046c65ce2638ada3b694303aa5c4ae1cc1b9c693"`
[INFO] running `"docker" "rm" "-f" "e496b55cfcefd33e025623a7046c65ce2638ada3b694303aa5c4ae1cc1b9c693"`
[INFO] [stdout] e496b55cfcefd33e025623a7046c65ce2638ada3b694303aa5c4ae1cc1b9c693