[INFO] fetching crate rust_lsp 0.6.1...
[INFO] checking rust_lsp-0.6.1 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] extracting crate rust_lsp 0.6.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate rust_lsp 0.6.1 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust_lsp 0.6.1
[INFO] finished tweaking crates.io crate rust_lsp 0.6.1
[INFO] tweaked toml for crates.io crate rust_lsp 0.6.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustdt-json_rpc v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80c806f8626199e6639aab2d8b4cd3019b701d585908560d31cdb87e7bf038e9
[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" "80c806f8626199e6639aab2d8b4cd3019b701d585908560d31cdb87e7bf038e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80c806f8626199e6639aab2d8b4cd3019b701d585908560d31cdb87e7bf038e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80c806f8626199e6639aab2d8b4cd3019b701d585908560d31cdb87e7bf038e9", kill_on_drop: false }`
[INFO] [stdout] 80c806f8626199e6639aab2d8b4cd3019b701d585908560d31cdb87e7bf038e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d896e44d698e689828aa67f06c140744a79b5a22338b6759fe50e31938e2b17
[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" "3d896e44d698e689828aa67f06c140744a79b5a22338b6759fe50e31938e2b17", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking rustdt_util v0.2.3
[INFO] [stderr]    Compiling serde_codegen_internals v0.11.3
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking rustdt-json_rpc v0.3.0
[INFO] [stderr]    Compiling serde_codegen v0.8.23
[INFO] [stderr]    Compiling serde_derive v0.8.23
[INFO] [stderr]     Checking languageserver-types v0.6.1
[INFO] [stderr]     Checking rust_lsp v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lsp_transport.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         try!(reader.read_line(&mut line));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lsp_transport.rs:52:30
[INFO] [stdout]    |
[INFO] [stdout] 52 |             content_length = try!(int_result);
[INFO] [stdout]    |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lsp_transport.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     try!(message_reader.read_to_string(&mut message));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lsp_transport.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 |     try!(out.write_all(CONTENT_LENGTH.as_bytes()));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lsp_transport.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 98 |     try!(out.write(&[' ' as u8]));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lsp_transport.rs:100:5
[INFO] [stdout]     |
[INFO] [stdout] 100 |     try!(out.write_all(contents.len().to_string().as_bytes()));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lsp_transport.rs:101:5
[INFO] [stdout]     |
[INFO] [stdout] 101 |     try!(out.write_all("\r\n\r\n".as_bytes()));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lsp_transport.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout] 102 |     try!(out.write_all(message.as_bytes()));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lsp_transport.rs:103:5
[INFO] [stdout]     |
[INFO] [stdout] 103 |     try!(out.flush());
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lsp.rs:64:21
[INFO] [stdout]    |
[INFO] [stdout] 64 |         input: &mut io::BufRead, endpoint: Endpoint, lsp_server_handler: SERVER, 
[INFO] [stdout]    |                     ^^^^^^^^^^^ help: use `dyn`: `dyn io::BufRead`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lsp.rs:85:21
[INFO] [stdout]    |
[INFO] [stdout] 85 |         input: &mut io::BufRead, endpoint: Endpoint, lsp_client_handler: CLIENT,
[INFO] [stdout]    |                     ^^^^^^^^^^^ help: use `dyn`: `dyn io::BufRead`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lsp.rs:95:75
[INFO] [stdout]    |
[INFO] [stdout] 95 |         mut msg_reader: &mut MR, endpoint: Endpoint, request_handler: Box<RequestHandler>
[INFO] [stdout]    |                                                                           ^^^^^^^^^^^^^^ help: use `dyn`: `dyn RequestHandler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lsp.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |         mut msg_reader: &mut MR, endpoint: Endpoint, lsp_server_handler: SERVER
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/lsp.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |         mut msg_reader: &mut MR, endpoint: Endpoint, request_handler: Box<RequestHandler>
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lsp_transport.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         try!(reader.read_line(&mut line));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lsp_transport.rs:52:30
[INFO] [stdout]    |
[INFO] [stdout] 52 |             content_length = try!(int_result);
[INFO] [stdout]    |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lsp_transport.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     try!(message_reader.read_to_string(&mut message));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lsp_transport.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 |     try!(out.write_all(CONTENT_LENGTH.as_bytes()));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lsp_transport.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 98 |     try!(out.write(&[' ' as u8]));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lsp_transport.rs:100:5
[INFO] [stdout]     |
[INFO] [stdout] 100 |     try!(out.write_all(contents.len().to_string().as_bytes()));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lsp_transport.rs:101:5
[INFO] [stdout]     |
[INFO] [stdout] 101 |     try!(out.write_all("\r\n\r\n".as_bytes()));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lsp_transport.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout] 102 |     try!(out.write_all(message.as_bytes()));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lsp_transport.rs:103:5
[INFO] [stdout]     |
[INFO] [stdout] 103 |     try!(out.flush());
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lsp.rs:64:21
[INFO] [stdout]    |
[INFO] [stdout] 64 |         input: &mut io::BufRead, endpoint: Endpoint, lsp_server_handler: SERVER, 
[INFO] [stdout]    |                     ^^^^^^^^^^^ help: use `dyn`: `dyn io::BufRead`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lsp.rs:85:21
[INFO] [stdout]    |
[INFO] [stdout] 85 |         input: &mut io::BufRead, endpoint: Endpoint, lsp_client_handler: CLIENT,
[INFO] [stdout]    |                     ^^^^^^^^^^^ help: use `dyn`: `dyn io::BufRead`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lsp.rs:95:75
[INFO] [stdout]    |
[INFO] [stdout] 95 |         mut msg_reader: &mut MR, endpoint: Endpoint, request_handler: Box<RequestHandler>
[INFO] [stdout]    |                                                                           ^^^^^^^^^^^^^^ help: use `dyn`: `dyn RequestHandler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lsp.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |         mut msg_reader: &mut MR, endpoint: Endpoint, lsp_server_handler: SERVER
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/lsp.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |         mut msg_reader: &mut MR, endpoint: Endpoint, request_handler: Box<RequestHandler>
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused boxed `jsonrpc::futures::Future` trait object that must be used
[INFO] [stdout]   --> src/server_tests.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     server_handle.initialize(init_params).unwrap();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: futures do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused boxed `jsonrpc::futures::Future` trait object that must be used
[INFO] [stdout]   --> src/server_tests.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     server_handle.shutdown().unwrap();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: futures do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.62s
[INFO] running `Command { std: "docker" "inspect" "3d896e44d698e689828aa67f06c140744a79b5a22338b6759fe50e31938e2b17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d896e44d698e689828aa67f06c140744a79b5a22338b6759fe50e31938e2b17", kill_on_drop: false }`
[INFO] [stdout] 3d896e44d698e689828aa67f06c140744a79b5a22338b6759fe50e31938e2b17