[INFO] updating cached repository mparker17/lc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mparker17/lc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mparker17/lc" "work/ex/beta-1.38-1/sources/1.37.0/gh/mparker17/lc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mparker17/lc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mparker17/lc" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mparker17/lc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mparker17/lc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1f4628bc90a4814f82c9fed7c0a9e1b20494899f
[INFO] sha for GitHub repo mparker17/lc: 1f4628bc90a4814f82c9fed7c0a9e1b20494899f
[INFO] validating manifest of mparker17/lc 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 mparker17/lc 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 mparker17/lc
[INFO] finished frobbing mparker17/lc
[INFO] frobbed toml for mparker17/lc written to work/ex/beta-1.38-1/sources/1.37.0/gh/mparker17/lc/Cargo.toml
[INFO] started frobbing mparker17/lc
[INFO] finished frobbing mparker17/lc
[INFO] frobbed toml for mparker17/lc written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mparker17/lc/Cargo.toml
[INFO] crate mparker17/lc 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing mparker17/lc 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-7/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/mparker17/lc:/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] 0e2c46a9b1d3d64ba541bfa7c3b5c8f62df70a9cdb47e058199c7daa02816140
[INFO] running `"docker" "start" "-a" "0e2c46a9b1d3d64ba541bfa7c3b5c8f62df70a9cdb47e058199c7daa02816140"`
[INFO] [stderr]    Compiling lc v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:31:19
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let file: Box<Read> = match matches.value_of("file") {
[INFO] [stderr]    |                   ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.55s
[INFO] running `"docker" "inspect" "0e2c46a9b1d3d64ba541bfa7c3b5c8f62df70a9cdb47e058199c7daa02816140"`
[INFO] running `"docker" "rm" "-f" "0e2c46a9b1d3d64ba541bfa7c3b5c8f62df70a9cdb47e058199c7daa02816140"`
[INFO] [stdout] 0e2c46a9b1d3d64ba541bfa7c3b5c8f62df70a9cdb47e058199c7daa02816140
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/mparker17/lc:/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] 1014811d0c170c0619d653583194f2fa6298a66322bda729e243e3f3cff9f015
[INFO] running `"docker" "start" "-a" "1014811d0c170c0619d653583194f2fa6298a66322bda729e243e3f3cff9f015"`
[INFO] [stderr]    Compiling lc v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:31:19
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let file: Box<Read> = match matches.value_of("file") {
[INFO] [stderr]    |                   ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `"docker" "inspect" "1014811d0c170c0619d653583194f2fa6298a66322bda729e243e3f3cff9f015"`
[INFO] running `"docker" "rm" "-f" "1014811d0c170c0619d653583194f2fa6298a66322bda729e243e3f3cff9f015"`
[INFO] [stdout] 1014811d0c170c0619d653583194f2fa6298a66322bda729e243e3f3cff9f015
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/mparker17/lc:/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] 129fd671e9e315541ce83cde9cccddbaedf0e385d956375b99fe306365d3e532
[INFO] running `"docker" "start" "-a" "129fd671e9e315541ce83cde9cccddbaedf0e385d956375b99fe306365d3e532"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lc-7f9f90dc71f60f4f
[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] [stderr]      Running /opt/crater/target/debug/deps/lc-b9a34794fdbc868d
[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] [stderr]      Running /opt/crater/target/debug/deps/integration_tests-c1805dc095301e32
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test counts_graphemes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lc
[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" "129fd671e9e315541ce83cde9cccddbaedf0e385d956375b99fe306365d3e532"`
[INFO] running `"docker" "rm" "-f" "129fd671e9e315541ce83cde9cccddbaedf0e385d956375b99fe306365d3e532"`
[INFO] [stdout] 129fd671e9e315541ce83cde9cccddbaedf0e385d956375b99fe306365d3e532