[INFO] cloning repository crazymerlyn/kilo-rs
[INFO] running `"git" "clone" "--bare" "git://github.com/crazymerlyn/kilo-rs.git" "work/cache/sources/gh/crazymerlyn/kilo-rs"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/crazymerlyn/kilo-rs'...
[INFO] running `"git" "clone" "work/cache/sources/gh/crazymerlyn/kilo-rs" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/crazymerlyn/kilo-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/crazymerlyn/kilo-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/crazymerlyn/kilo-rs" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/crazymerlyn/kilo-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/crazymerlyn/kilo-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 320b83097c84c25c45f702907d9fb7369e5579fa
[INFO] sha for GitHub repo crazymerlyn/kilo-rs: 320b83097c84c25c45f702907d9fb7369e5579fa
[INFO] validating manifest of crazymerlyn/kilo-rs on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of crazymerlyn/kilo-rs on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing crazymerlyn/kilo-rs
[INFO] finished frobbing crazymerlyn/kilo-rs
[INFO] frobbed toml for crazymerlyn/kilo-rs written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/crazymerlyn/kilo-rs/Cargo.toml
[INFO] started frobbing crazymerlyn/kilo-rs
[INFO] finished frobbing crazymerlyn/kilo-rs
[INFO] frobbed toml for crazymerlyn/kilo-rs written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/crazymerlyn/kilo-rs/Cargo.toml
[INFO] crate crazymerlyn/kilo-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded termsize v0.1.4
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing crazymerlyn/kilo-rs against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/crazymerlyn/kilo-rs:/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] 794b35fc2e9b04ee5442edb06c0933b0841c820d7ae54ad506fced03a7fdb4e6
[INFO] running `"docker" "start" "-a" "794b35fc2e9b04ee5442edb06c0933b0841c820d7ae54ad506fced03a7fdb4e6"`
[INFO] [stderr]    Compiling termios v0.2.2
[INFO] [stderr]    Compiling atty v0.1.2
[INFO] [stderr]    Compiling termsize v0.1.4
[INFO] [stderr]    Compiling kilo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:518:13
[INFO] [stderr]     |
[INFO] [stderr] 518 |         let mut row = &mut self.rows[self.cy];
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:536:17
[INFO] [stderr]     |
[INFO] [stderr] 536 |             let mut row = &mut self.rows[self.cy];
[INFO] [stderr]     |                 ----^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning[E0502]: cannot borrow `self.rows` as immutable because it is also borrowed as mutable
[INFO] [stderr]    --> src/main.rs:540:40
[INFO] [stderr]     |
[INFO] [stderr] 540 |             self.rows[self.cy - 1] += &self.rows[self.cy].clone();
[INFO] [stderr]     |             ---------------------------^^^^^^^^^-----------------
[INFO] [stderr]     |             |                          |
[INFO] [stderr]     |             |                          immutable borrow occurs here
[INFO] [stderr]     |             mutable borrow occurs here
[INFO] [stderr]     |             mutable borrow later used here
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]     = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]     = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.36s
[INFO] running `"docker" "inspect" "794b35fc2e9b04ee5442edb06c0933b0841c820d7ae54ad506fced03a7fdb4e6"`
[INFO] running `"docker" "rm" "-f" "794b35fc2e9b04ee5442edb06c0933b0841c820d7ae54ad506fced03a7fdb4e6"`
[INFO] [stdout] 794b35fc2e9b04ee5442edb06c0933b0841c820d7ae54ad506fced03a7fdb4e6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/crazymerlyn/kilo-rs:/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] c8044111657b0f8fa209f399b7f663a6e3d2f1bcf1e0781c233017208c4c84b6
[INFO] running `"docker" "start" "-a" "c8044111657b0f8fa209f399b7f663a6e3d2f1bcf1e0781c233017208c4c84b6"`
[INFO] [stderr]    Compiling kilo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:518:13
[INFO] [stderr]     |
[INFO] [stderr] 518 |         let mut row = &mut self.rows[self.cy];
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:536:17
[INFO] [stderr]     |
[INFO] [stderr] 536 |             let mut row = &mut self.rows[self.cy];
[INFO] [stderr]     |                 ----^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning[E0502]: cannot borrow `self.rows` as immutable because it is also borrowed as mutable
[INFO] [stderr]    --> src/main.rs:540:40
[INFO] [stderr]     |
[INFO] [stderr] 540 |             self.rows[self.cy - 1] += &self.rows[self.cy].clone();
[INFO] [stderr]     |             ---------------------------^^^^^^^^^-----------------
[INFO] [stderr]     |             |                          |
[INFO] [stderr]     |             |                          immutable borrow occurs here
[INFO] [stderr]     |             mutable borrow occurs here
[INFO] [stderr]     |             mutable borrow later used here
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]     = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]     = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `"docker" "inspect" "c8044111657b0f8fa209f399b7f663a6e3d2f1bcf1e0781c233017208c4c84b6"`
[INFO] running `"docker" "rm" "-f" "c8044111657b0f8fa209f399b7f663a6e3d2f1bcf1e0781c233017208c4c84b6"`
[INFO] [stdout] c8044111657b0f8fa209f399b7f663a6e3d2f1bcf1e0781c233017208c4c84b6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/crazymerlyn/kilo-rs:/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] 84f8033c905e6f197a5031bb5574d6785a33ad8ab3e0da37fc48273a13338523
[INFO] running `"docker" "start" "-a" "84f8033c905e6f197a5031bb5574d6785a33ad8ab3e0da37fc48273a13338523"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/kilo-e085282fddf488e4
[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" "84f8033c905e6f197a5031bb5574d6785a33ad8ab3e0da37fc48273a13338523"`
[INFO] running `"docker" "rm" "-f" "84f8033c905e6f197a5031bb5574d6785a33ad8ab3e0da37fc48273a13338523"`
[INFO] [stdout] 84f8033c905e6f197a5031bb5574d6785a33ad8ab3e0da37fc48273a13338523