[INFO] cloning repository https://github.com/unrealhoang/lspc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/unrealhoang/lspc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funrealhoang%2Flspc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funrealhoang%2Flspc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 21c283a82c7416c6a833941de7e1741fd0ba8a10
[INFO] checking unrealhoang/lspc against try#85cc1486e1f000dce4bb8e1b3cfab2b654b102a8 for pr-73323
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funrealhoang%2Flspc" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/unrealhoang/lspc on toolchain 85cc1486e1f000dce4bb8e1b3cfab2b654b102a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/unrealhoang/lspc
[INFO] finished tweaking git repo https://github.com/unrealhoang/lspc
[INFO] tweaked toml for git repo https://github.com/unrealhoang/lspc written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/unrealhoang/lspc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/3Hren/msgpack-rust`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simple-logging v2.0.2
[INFO] [stderr]   Downloaded bimap v0.4.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1289106742fd4d117383e86686d8ca38670333f75eb85fcd547241a825e9abae
[INFO] running `Command { std: "docker" "start" "-a" "1289106742fd4d117383e86686d8ca38670333f75eb85fcd547241a825e9abae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1289106742fd4d117383e86686d8ca38670333f75eb85fcd547241a825e9abae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1289106742fd4d117383e86686d8ca38670333f75eb85fcd547241a825e9abae", kill_on_drop: false }`
[INFO] [stdout] 1289106742fd4d117383e86686d8ca38670333f75eb85fcd547241a825e9abae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e39b023040767e32b08f2a856ee24255b11a9de3c9a786aeed77476bfdc42e9
[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" "3e39b023040767e32b08f2a856ee24255b11a9de3c9a786aeed77476bfdc42e9", kill_on_drop: false }`
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[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/lspc/msg.rs:97:71
[INFO] [stdout]    |
[INFO] [stdout] 97 |         let msg = from_str(&text).map_err(|e| RpcError::Deserialize(e.description().into()))?;
[INFO] [stdout]    |                                                                       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/lspc/msg.rs:112:44
[INFO] [stdout]     |
[INFO] [stdout] 112 |         .map_err(|e| RpcError::Serialize(e.description().into()))?;
[INFO] [stdout]     |                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/lspc/msg.rs:226:28
[INFO] [stdout]     |
[INFO] [stdout] 226 |             .map_err(|e| e.description().to_owned())?;
[INFO] [stdout]     |                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/lspc/msg.rs:254:24
[INFO] [stdout]     |
[INFO] [stdout] 254 |         .map_err(|e| e.description().to_owned())?;
[INFO] [stdout]     |                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/lspc/msg.rs:255:52
[INFO] [stdout]     |
[INFO] [stdout] 255 |     let buf = String::from_utf8(buf).map_err(|e| e.description().to_owned())?;
[INFO] [stdout]     |                                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/lspc/msg.rs:263:40
[INFO] [stdout]     |
[INFO] [stdout] 263 |         .map_err(|e| RpcError::Write(e.description().into()))?;
[INFO] [stdout]     |                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/lspc/msg.rs:265:40
[INFO] [stdout]     |
[INFO] [stdout] 265 |         .map_err(|e| RpcError::Write(e.description().into()))?;
[INFO] [stdout]     |                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/lspc/msg.rs:267:40
[INFO] [stdout]     |
[INFO] [stdout] 267 |         .map_err(|e| RpcError::Write(e.description().into()))?;
[INFO] [stdout]     |                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/lspc/msg.rs:97:71
[INFO] [stdout]    |
[INFO] [stdout] 97 |         let msg = from_str(&text).map_err(|e| RpcError::Deserialize(e.description().into()))?;
[INFO] [stdout]    |                                                                       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/lspc/msg.rs:112:44
[INFO] [stdout]     |
[INFO] [stdout] 112 |         .map_err(|e| RpcError::Serialize(e.description().into()))?;
[INFO] [stdout]     |                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/lspc/msg.rs:226:28
[INFO] [stdout]     |
[INFO] [stdout] 226 |             .map_err(|e| e.description().to_owned())?;
[INFO] [stdout]     |                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/lspc/msg.rs:254:24
[INFO] [stdout]     |
[INFO] [stdout] 254 |         .map_err(|e| e.description().to_owned())?;
[INFO] [stdout]     |                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/lspc/msg.rs:255:52
[INFO] [stdout]     |
[INFO] [stdout] 255 |     let buf = String::from_utf8(buf).map_err(|e| e.description().to_owned())?;
[INFO] [stdout]     |                                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/lspc/msg.rs:263:40
[INFO] [stdout]     |
[INFO] [stdout] 263 |         .map_err(|e| RpcError::Write(e.description().into()))?;
[INFO] [stdout]     |                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/lspc/msg.rs:265:40
[INFO] [stdout]     |
[INFO] [stdout] 265 |         .map_err(|e| RpcError::Write(e.description().into()))?;
[INFO] [stdout]     |                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/lspc/msg.rs:267:40
[INFO] [stdout]     |
[INFO] [stdout] 267 |         .map_err(|e| RpcError::Write(e.description().into()))?;
[INFO] [stdout]     |                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/neovim.rs:735:74
[INFO] [stdout]     |
[INFO] [stdout] 735 |             EditorError::Failed(format!("Failed to encode params: {}", e.description()))
[INFO] [stdout]     |                                                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/neovim.rs:745:64
[INFO] [stdout]     |
[INFO] [stdout] 745 |         let value = read_value(r).map_err(|e| RpcError::Read(e.description().into()))?;
[INFO] [stdout]     |                                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/neovim.rs:748:67
[INFO] [stdout]     |
[INFO] [stdout] 748 |             from_value(value).map_err(|e| RpcError::Deserialize(e.description().into()))?;
[INFO] [stdout]     |                                                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/neovim.rs:757:70
[INFO] [stdout]     |
[INFO] [stdout] 757 |         let value = to_value(self).map_err(|e| RpcError::Serialize(e.description().into()))?;
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/neovim.rs:758:62
[INFO] [stdout]     |
[INFO] [stdout] 758 |         write_value(w, &value).map_err(|e| RpcError::Write(e.description().into()))?;
[INFO] [stdout]     |                                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/neovim.rs:760:44
[INFO] [stdout]     |
[INFO] [stdout] 760 |             .map_err(|e| RpcError::Write(e.description().into()))?;
[INFO] [stdout]     |                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/neovim.rs:735:74
[INFO] [stdout]     |
[INFO] [stdout] 735 |             EditorError::Failed(format!("Failed to encode params: {}", e.description()))
[INFO] [stdout]     |                                                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/neovim.rs:745:64
[INFO] [stdout]     |
[INFO] [stdout] 745 |         let value = read_value(r).map_err(|e| RpcError::Read(e.description().into()))?;
[INFO] [stdout]     |                                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/neovim.rs:748:67
[INFO] [stdout]     |
[INFO] [stdout] 748 |             from_value(value).map_err(|e| RpcError::Deserialize(e.description().into()))?;
[INFO] [stdout]     |                                                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/neovim.rs:757:70
[INFO] [stdout]     |
[INFO] [stdout] 757 |         let value = to_value(self).map_err(|e| RpcError::Serialize(e.description().into()))?;
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/neovim.rs:758:62
[INFO] [stdout]     |
[INFO] [stdout] 758 |         write_value(w, &value).map_err(|e| RpcError::Write(e.description().into()))?;
[INFO] [stdout]     |                                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/neovim.rs:760:44
[INFO] [stdout]     |
[INFO] [stdout] 760 |             .map_err(|e| RpcError::Write(e.description().into()))?;
[INFO] [stdout]     |                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `close`
[INFO] [stdout]    --> src/rpc.rs:128:8
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn close(self) -> Result<(), String> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/lspc/tracking_file.rs:61:25
[INFO] [stdout]    |
[INFO] [stdout] 61 |                         std::mem::replace(last_content_change, content_change.clone());
[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/lspc/tracking_file.rs:74:21
[INFO] [stdout]    |
[INFO] [stdout] 74 |                     std::mem::replace(content, new_rope);
[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: associated function is never used: `close`
[INFO] [stdout]    --> src/rpc.rs:128:8
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn close(self) -> Result<(), String> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/lspc/tracking_file.rs:61:25
[INFO] [stdout]    |
[INFO] [stdout] 61 |                         std::mem::replace(last_content_change, content_change.clone());
[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/lspc/tracking_file.rs:74:21
[INFO] [stdout]    |
[INFO] [stdout] 74 |                     std::mem::replace(content, new_rope);
[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: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 59.93s
[INFO] running `Command { std: "docker" "inspect" "3e39b023040767e32b08f2a856ee24255b11a9de3c9a786aeed77476bfdc42e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e39b023040767e32b08f2a856ee24255b11a9de3c9a786aeed77476bfdc42e9", kill_on_drop: false }`
[INFO] [stdout] 3e39b023040767e32b08f2a856ee24255b11a9de3c9a786aeed77476bfdc42e9