[INFO] cloning repository https://github.com/KyleBarton/klh
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KyleBarton/klh" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKyleBarton%2Fklh", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKyleBarton%2Fklh'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ff6898ee6038730a5cb188fa207cc9156eae5132
[INFO] checking KyleBarton/klh against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKyleBarton%2Fklh" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KyleBarton/klh on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/KyleBarton/klh
[INFO] finished tweaking git repo https://github.com/KyleBarton/klh
[INFO] tweaked toml for git repo https://github.com/KyleBarton/klh written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/KyleBarton/klh already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 522f36b854e14f02144939266692e2767d0c3572c9ab03b026193f31334b8004
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "522f36b854e14f02144939266692e2767d0c3572c9ab03b026193f31334b8004", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "522f36b854e14f02144939266692e2767d0c3572c9ab03b026193f31334b8004", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "522f36b854e14f02144939266692e2767d0c3572c9ab03b026193f31334b8004", kill_on_drop: false }`
[INFO] [stdout] 522f36b854e14f02144939266692e2767d0c3572c9ab03b026193f31334b8004
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eebdeb85a91cff3ad6252b4042cb0d5e6f01a1cbaf787dee2a18215bd61e6c7c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "eebdeb85a91cff3ad6252b4042cb0d5e6f01a1cbaf787dee2a18215bd61e6c7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking simplelog v0.8.0
[INFO] [stderr]     Checking klh v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/buffer.rs:208:31
[INFO] [stdout]     |
[INFO] [stdout] 208 |   fn get_char_at_index(&self, index: i64) -> Result<char, String> {
[INFO] [stdout]     |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `query_char`
[INFO] [stdout]    --> src/buffer.rs:212:31
[INFO] [stdout]     |
[INFO] [stdout] 212 |   fn get_next_for_char(&self, query_char: char) -> Result<Coordinate, String> {
[INFO] [stdout]     |                               ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_query_char`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/buffer.rs:208:31
[INFO] [stdout]     |
[INFO] [stdout] 208 |   fn get_char_at_index(&self, index: i64) -> Result<char, String> {
[INFO] [stdout]     |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `query_char`
[INFO] [stdout]    --> src/buffer.rs:212:31
[INFO] [stdout]     |
[INFO] [stdout] 212 |   fn get_next_for_char(&self, query_char: char) -> Result<Coordinate, String> {
[INFO] [stdout]     |                               ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_query_char`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/buffer.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         mem::replace(&mut self.lines[self.point.line], first_line_part);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/buffer.rs:110:11
[INFO] [stdout]     |
[INFO] [stdout] 110 |           mem::replace(&mut self.lines[self.point.line], line);
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/buffer.rs:133:9
[INFO] [stdout]     |
[INFO] [stdout] 133 |         mem::replace(&mut self.lines[new_line], new_line_content);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/buffer.rs:148:7
[INFO] [stdout]     |
[INFO] [stdout] 148 |       mem::replace(&mut self.lines[self.point.line], new_line);
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/buffer.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         mem::replace(&mut self.lines[self.point.line], first_line_part);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/buffer.rs:110:11
[INFO] [stdout]     |
[INFO] [stdout] 110 |           mem::replace(&mut self.lines[self.point.line], line);
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/buffer.rs:133:9
[INFO] [stdout]     |
[INFO] [stdout] 133 |         mem::replace(&mut self.lines[new_line], new_line_content);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/buffer.rs:148:7
[INFO] [stdout]     |
[INFO] [stdout] 148 |       mem::replace(&mut self.lines[self.point.line], new_line);
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.54s
[INFO] running `Command { std: "docker" "inspect" "eebdeb85a91cff3ad6252b4042cb0d5e6f01a1cbaf787dee2a18215bd61e6c7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eebdeb85a91cff3ad6252b4042cb0d5e6f01a1cbaf787dee2a18215bd61e6c7c", kill_on_drop: false }`
[INFO] [stdout] eebdeb85a91cff3ad6252b4042cb0d5e6f01a1cbaf787dee2a18215bd61e6c7c