[INFO] updating cached repository crazymerlyn/kilo-rs [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/crazymerlyn/kilo-rs [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/crazymerlyn/kilo-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/crazymerlyn/kilo-rs"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/crazymerlyn/kilo-rs'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/crazymerlyn/kilo-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/crazymerlyn/kilo-rs"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 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 crazymerlyn/kilo-rs 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 crazymerlyn/kilo-rs [INFO] finished frobbing crazymerlyn/kilo-rs [INFO] frobbed toml for crazymerlyn/kilo-rs written to work/ex/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/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" "+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 crazymerlyn/kilo-rs 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/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=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] ae9cdf46a479cacc589f381a65fa5bcd579693d6b94890fb017e6260a3634f41 [INFO] running `"docker" "start" "-a" "ae9cdf46a479cacc589f381a65fa5bcd579693d6b94890fb017e6260a3634f41"` [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 2.59s [INFO] running `"docker" "inspect" "ae9cdf46a479cacc589f381a65fa5bcd579693d6b94890fb017e6260a3634f41"` [INFO] running `"docker" "rm" "-f" "ae9cdf46a479cacc589f381a65fa5bcd579693d6b94890fb017e6260a3634f41"` [INFO] [stdout] ae9cdf46a479cacc589f381a65fa5bcd579693d6b94890fb017e6260a3634f41 [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/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=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] d6f49528a35ef613194e3297bd79edbd1c9b24439f12ef9c0d2cff2ecce082fe [INFO] running `"docker" "start" "-a" "d6f49528a35ef613194e3297bd79edbd1c9b24439f12ef9c0d2cff2ecce082fe"` [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 0.91s [INFO] running `"docker" "inspect" "d6f49528a35ef613194e3297bd79edbd1c9b24439f12ef9c0d2cff2ecce082fe"` [INFO] running `"docker" "rm" "-f" "d6f49528a35ef613194e3297bd79edbd1c9b24439f12ef9c0d2cff2ecce082fe"` [INFO] [stdout] d6f49528a35ef613194e3297bd79edbd1c9b24439f12ef9c0d2cff2ecce082fe [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/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=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] 308c95dd0116aa9e73fc458823a106d7b200ac12dbad78680ee6a83b53240405 [INFO] running `"docker" "start" "-a" "308c95dd0116aa9e73fc458823a106d7b200ac12dbad78680ee6a83b53240405"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/crater/target/debug/deps/kilo-0c9afb0e45bbeff2 [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" "308c95dd0116aa9e73fc458823a106d7b200ac12dbad78680ee6a83b53240405"` [INFO] running `"docker" "rm" "-f" "308c95dd0116aa9e73fc458823a106d7b200ac12dbad78680ee6a83b53240405"` [INFO] [stdout] 308c95dd0116aa9e73fc458823a106d7b200ac12dbad78680ee6a83b53240405