[INFO] fetching crate neovim 0.1.0...
[INFO] checking neovim-0.1.0 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate neovim 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate neovim 0.1.0 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate neovim 0.1.0
[INFO] finished tweaking crates.io crate neovim 0.1.0
[INFO] tweaked toml for crates.io crate neovim 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 36102c5691d74938e43d3f642c57db9386a8d955e9c4fb218d4adf84ad126f67
[INFO] running `Command { std: "docker" "start" "-a" "36102c5691d74938e43d3f642c57db9386a8d955e9c4fb218d4adf84ad126f67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36102c5691d74938e43d3f642c57db9386a8d955e9c4fb218d4adf84ad126f67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36102c5691d74938e43d3f642c57db9386a8d955e9c4fb218d4adf84ad126f67", kill_on_drop: false }`
[INFO] [stdout] 36102c5691d74938e43d3f642c57db9386a8d955e9c4fb218d4adf84ad126f67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6cd04540c50af403a685bdc857b2448e2253aed5d632f90a228c5daf91a03f34
[INFO] running `Command { std: "docker" "start" "-a" "6cd04540c50af403a685bdc857b2448e2253aed5d632f90a228c5daf91a03f34", kill_on_drop: false }`
[INFO] [stderr]     Checking mpack v0.1.2
[INFO] [stderr]     Checking neovim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/metadata.rs:44:32
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/metadata.rs:46:62
[INFO] [stdout]    |
[INFO] [stdout] 46 |             GetMetadataError::ReadError(ref e) => Some(e as &error::Error),
[INFO] [stdout]    |                                                              ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/metadata.rs:103:24
[INFO] [stdout]     |
[INFO] [stdout] 103 |             buffer_id: try!(get_id(&types, "Buffer")),
[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/metadata.rs:104:24
[INFO] [stdout]     |
[INFO] [stdout] 104 |             window_id: try!(get_id(&types, "Window")),
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/metadata.rs:105:25
[INFO] [stdout]     |
[INFO] [stdout] 105 |             tabpage_id: try!(get_id(&types, "Tabpage")),
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/session.rs:21:22
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let reader = try!(TcpStream::connect(&addr));
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/session.rs:22:22
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let writer = try!(reader.try_clone());
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/session.rs:26:23
[INFO] [stdout]    |
[INFO] [stdout] 26 |             metadata: try!(Session::get_vim_api_info(&mut client)),
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/session.rs:48:25
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let mut child = try!(Command::new(cmd).args(args).arg("--embed").stdin(Stdio::piped()).stdout(Stdio::piped()).spawn());
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/session.rs:51:23
[INFO] [stdout]    |
[INFO] [stdout] 51 |             metadata: try!(Session::get_vim_api_info(&mut client)),
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:51:18
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let output = try!(Command::new(cmd).arg("--api-info").output());
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:60:16
[INFO] [stdout]    |
[INFO] [stdout] 60 |     let dict = try!(r.read_value()).map().unwrap();
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/metadata.rs:44:32
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/metadata.rs:46:62
[INFO] [stdout]    |
[INFO] [stdout] 46 |             GetMetadataError::ReadError(ref e) => Some(e as &error::Error),
[INFO] [stdout]    |                                                              ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/metadata.rs:103:24
[INFO] [stdout]     |
[INFO] [stdout] 103 |             buffer_id: try!(get_id(&types, "Buffer")),
[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/metadata.rs:104:24
[INFO] [stdout]     |
[INFO] [stdout] 104 |             window_id: try!(get_id(&types, "Window")),
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/metadata.rs:105:25
[INFO] [stdout]     |
[INFO] [stdout] 105 |             tabpage_id: try!(get_id(&types, "Tabpage")),
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/session.rs:21:22
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let reader = try!(TcpStream::connect(&addr));
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/session.rs:22:22
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let writer = try!(reader.try_clone());
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/session.rs:26:23
[INFO] [stdout]    |
[INFO] [stdout] 26 |             metadata: try!(Session::get_vim_api_info(&mut client)),
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/session.rs:48:25
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let mut child = try!(Command::new(cmd).args(args).arg("--embed").stdin(Stdio::piped()).stdout(Stdio::piped()).spawn());
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/session.rs:51:23
[INFO] [stdout]    |
[INFO] [stdout] 51 |             metadata: try!(Session::get_vim_api_info(&mut client)),
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:51:18
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let output = try!(Command::new(cmd).arg("--api-info").output());
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:60:16
[INFO] [stdout]    |
[INFO] [stdout] 60 |     let dict = try!(r.read_value()).map().unwrap();
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/session.rs:95:73
[INFO] [stdout]    |
[INFO] [stdout] 95 |             Err(e) => return Err(io::Error::new(io::ErrorKind::Other, e.description())),
[INFO] [stdout]    |                                                                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/session.rs:95:73
[INFO] [stdout]    |
[INFO] [stdout] 95 |             Err(e) => return Err(io::Error::new(io::ErrorKind::Other, e.description())),
[INFO] [stdout]    |                                                                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "6cd04540c50af403a685bdc857b2448e2253aed5d632f90a228c5daf91a03f34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cd04540c50af403a685bdc857b2448e2253aed5d632f90a228c5daf91a03f34", kill_on_drop: false }`
[INFO] [stdout] 6cd04540c50af403a685bdc857b2448e2253aed5d632f90a228c5daf91a03f34