[INFO] cloning repository https://github.com/trevershick/puml-lsp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/trevershick/puml-lsp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrevershick%2Fpuml-lsp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrevershick%2Fpuml-lsp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae69d85e4da90cac3f5ce6e36303298cf41f20a8
[INFO] checking trevershick/puml-lsp against master#7f5a42b073dc2bee2aa625052eb066ee07072048 for pr-78991
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrevershick%2Fpuml-lsp" "/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/trevershick/puml-lsp on toolchain 7f5a42b073dc2bee2aa625052eb066ee07072048
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/trevershick/puml-lsp
[INFO] finished tweaking git repo https://github.com/trevershick/puml-lsp
[INFO] tweaked toml for git repo https://github.com/trevershick/puml-lsp written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/trevershick/puml-lsp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6506916de1e657f71c00b86e97e10abd481c478033e4ddd139844b1d4023dce2
[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" "6506916de1e657f71c00b86e97e10abd481c478033e4ddd139844b1d4023dce2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6506916de1e657f71c00b86e97e10abd481c478033e4ddd139844b1d4023dce2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6506916de1e657f71c00b86e97e10abd481c478033e4ddd139844b1d4023dce2", kill_on_drop: false }`
[INFO] [stdout] 6506916de1e657f71c00b86e97e10abd481c478033e4ddd139844b1d4023dce2
[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" "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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12274db8a288540e4103ba383c192f380b484dc060959a9f5b6b781cc23e10c2
[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" "12274db8a288540e4103ba383c192f380b484dc060959a9f5b6b781cc23e10c2", kill_on_drop: false }`
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[INFO] [stderr]     Checking lsp-types v0.76.1
[INFO] [stderr]     Checking jsonrpc-server-utils v15.1.0
[INFO] [stderr]     Checking jsonrpc-tcp-server v15.1.0
[INFO] [stderr]     Checking puml v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `log::*`
[INFO] [stdout]  --> src/syntax.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use log::*;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RpcMethodSimple`, `RpcNotificationSimple`
[INFO] [stdout]  --> src/server.rs:2:59
[INFO] [stdout]   |
[INFO] [stdout] 2 | use jsonrpc_tcp_server::jsonrpc_core::{IoHandler, Params, RpcMethodSimple, RpcNotificationSimple};
[INFO] [stdout]   |                                                           ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Mutex`
[INFO] [stdout]  --> src/server.rs:5:22
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::sync::{Arc, Mutex, RwLock};
[INFO] [stdout]   |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::watch`
[INFO] [stdout]  --> src/server.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use tokio::sync::watch;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::*`
[INFO] [stdout]  --> src/syntax.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use log::*;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RpcMethodSimple`, `RpcNotificationSimple`
[INFO] [stdout]  --> src/server.rs:2:59
[INFO] [stdout]   |
[INFO] [stdout] 2 | use jsonrpc_tcp_server::jsonrpc_core::{IoHandler, Params, RpcMethodSimple, RpcNotificationSimple};
[INFO] [stdout]   |                                                           ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Mutex`
[INFO] [stdout]  --> src/server.rs:5:22
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::sync::{Arc, Mutex, RwLock};
[INFO] [stdout]   |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::watch`
[INFO] [stdout]  --> src/server.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use tokio::sync::watch;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/codec.rs:67:20
[INFO] [stdout]    |
[INFO] [stdout] 67 |         if let Ok((input, payload)) = parse_header(&b) {
[INFO] [stdout]    |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `events`
[INFO] [stdout]   --> src/server.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let events = events::Events {};
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_events`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `event`
[INFO] [stdout]   --> src/server.rs:48:32
[INFO] [stdout]    |
[INFO] [stdout] 48 |         fn fireDocumentUpdated(event: DocumentUpdated) {}
[INFO] [stdout]    |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `disconnected_participants`
[INFO] [stdout]   --> src/server.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn disconnected_participants() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fireDocumentUpdated`
[INFO] [stdout]   --> src/server.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |         fn fireDocumentUpdated(event: DocumentUpdated) {}
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `DocumentUpdated`
[INFO] [stdout]   --> src/server.rs:51:23
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub(crate) struct DocumentUpdated {
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `parsed`
[INFO] [stdout]   --> src/server.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 |     parsed: Arc<RwLock<Option<Parsed>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bus`
[INFO] [stdout]   --> src/server.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 64 | /     bus: (
[INFO] [stdout] 65 | |         tokio::sync::broadcast::Sender<events::Event>,
[INFO] [stdout] 66 | |         tokio::sync::broadcast::Receiver<events::Event>,
[INFO] [stdout] 67 | |     ),
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `onHello` should have a snake case name
[INFO] [stdout]   --> src/server.rs:70:4
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn onHello(_params: Params) -> SerializedResponse {
[INFO] [stdout]    |    ^^^^^^^ help: convert the identifier to snake case: `on_hello`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `fireDocumentUpdated` should have a snake case name
[INFO] [stdout]   --> src/server.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |         fn fireDocumentUpdated(event: DocumentUpdated) {}
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `fire_document_updated`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/codec.rs:67:20
[INFO] [stdout]    |
[INFO] [stdout] 67 |         if let Ok((input, payload)) = parse_header(&b) {
[INFO] [stdout]    |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `events`
[INFO] [stdout]   --> src/server.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let events = events::Events {};
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_events`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `event`
[INFO] [stdout]   --> src/server.rs:48:32
[INFO] [stdout]    |
[INFO] [stdout] 48 |         fn fireDocumentUpdated(event: DocumentUpdated) {}
[INFO] [stdout]    |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `root`
[INFO] [stdout]   --> src/lib.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let root = crate::parse(text).root();
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_root`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `disconnected_participants`
[INFO] [stdout]   --> src/server.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn disconnected_participants() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fireDocumentUpdated`
[INFO] [stdout]   --> src/server.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |         fn fireDocumentUpdated(event: DocumentUpdated) {}
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `DocumentUpdated`
[INFO] [stdout]   --> src/server.rs:51:23
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub(crate) struct DocumentUpdated {
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `parsed`
[INFO] [stdout]   --> src/server.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 |     parsed: Arc<RwLock<Option<Parsed>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bus`
[INFO] [stdout]   --> src/server.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 64 | /     bus: (
[INFO] [stdout] 65 | |         tokio::sync::broadcast::Sender<events::Event>,
[INFO] [stdout] 66 | |         tokio::sync::broadcast::Receiver<events::Event>,
[INFO] [stdout] 67 | |     ),
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `onHello` should have a snake case name
[INFO] [stdout]   --> src/server.rs:70:4
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn onHello(_params: Params) -> SerializedResponse {
[INFO] [stdout]    |    ^^^^^^^ help: convert the identifier to snake case: `on_hello`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `fireDocumentUpdated` should have a snake case name
[INFO] [stdout]   --> src/server.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |         fn fireDocumentUpdated(event: DocumentUpdated) {}
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `fire_document_updated`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut server = server::PlantUmlLanguageServer::new("0.0.0.0:3030");
[INFO] [stdout]   |         ----^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut server = server::PlantUmlLanguageServer::new("0.0.0.0:3030");
[INFO] [stdout]   |         ----^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 26s
[INFO] running `Command { std: "docker" "inspect" "12274db8a288540e4103ba383c192f380b484dc060959a9f5b6b781cc23e10c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12274db8a288540e4103ba383c192f380b484dc060959a9f5b6b781cc23e10c2", kill_on_drop: false }`
[INFO] [stdout] 12274db8a288540e4103ba383c192f380b484dc060959a9f5b6b781cc23e10c2