[INFO] fetching crate cord-nvim 2.2.7...
[INFO] checking cord-nvim-2.2.7 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate cord-nvim 2.2.7 into /workspace/builds/worker-4-tc2/source
[INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate cord-nvim 2.2.7
[INFO] finished tweaking crates.io crate cord-nvim 2.2.7
[INFO] tweaked toml for crates.io crate cord-nvim 2.2.7 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cord-nvim 2.2.7 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cord-nvim 2.2.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1538e991d9f2f4173a39f8ade85b66227ade2f6f41f65cc79552ce682a0031c
[INFO] running `Command { std: "docker" "start" "-a" "a1538e991d9f2f4173a39f8ade85b66227ade2f6f41f65cc79552ce682a0031c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1538e991d9f2f4173a39f8ade85b66227ade2f6f41f65cc79552ce682a0031c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1538e991d9f2f4173a39f8ade85b66227ade2f6f41f65cc79552ce682a0031c", kill_on_drop: false }`
[INFO] [stdout] a1538e991d9f2f4173a39f8ade85b66227ade2f6f41f65cc79552ce682a0031c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9bea39a8bc1659b0848a4045e442ffa57e9951747820bb033133527afa78bf7c
[INFO] running `Command { std: "docker" "start" "-a" "9bea39a8bc1659b0848a4045e442ffa57e9951747820bb033133527afa78bf7c", kill_on_drop: false }`
[INFO] [stderr]     Checking cord-nvim v2.2.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `file_lock` has been stable since 1.90.0-nightly and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(file_lock)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `file_lock` has been stable since 1.90.0-nightly and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(file_lock)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `AssetType` is never used
[INFO] [stdout]  --> src/util/types.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum AssetType {
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/protocol/json/deserialize.rs:29:31
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn deserialize(input: &str) -> crate::Result<HashMap<&str, Value>> {
[INFO] [stdout]    |                               ^^^^                           ----  ----- the lifetimes get resolved as `'_`
[INFO] [stdout]    |                               |                              |
[INFO] [stdout]    |                               |                              the lifetimes get resolved as `'_`
[INFO] [stdout]    |                               this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn deserialize(input: &str) -> crate::Result<HashMap<&str, Value<'_>>> {
[INFO] [stdout]    |                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/protocol/json/deserialize.rs:193:16
[INFO] [stdout]     |
[INFO] [stdout] 193 |         input: &[u8],
[INFO] [stdout]     |                ^^^^^ this lifetime flows to the output
[INFO] [stdout] 194 |         start: usize,
[INFO] [stdout] 195 |     ) -> crate::Result<(Value, usize)> {
[INFO] [stdout]     |                         ----- the lifetime gets resolved as `'_`
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 195 |     ) -> crate::Result<(Value<'_>, usize)> {
[INFO] [stdout]     |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/protocol/json/value.rs:43:21
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn as_array(&self) -> Option<&[Value]> {
[INFO] [stdout]    |                     ^^^^^            --------
[INFO] [stdout]    |                     |                | |
[INFO] [stdout]    |                     |                | the lifetimes get resolved as `'_`
[INFO] [stdout]    |                     |                the lifetimes get resolved as `'_`
[INFO] [stdout]    |                     this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn as_array(&self) -> Option<&[Value<'_>]> {
[INFO] [stdout]    |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/protocol/json/value.rs:51:19
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn as_map(&self) -> Option<&HashMap<&str, Value>> {
[INFO] [stdout]    |                   ^^^^^            ---------------------
[INFO] [stdout]    |                   |                |        |     |
[INFO] [stdout]    |                   |                |        |     the lifetimes get resolved as `'_`
[INFO] [stdout]    |                   |                |        the lifetimes get resolved as `'_`
[INFO] [stdout]    |                   |                the lifetimes get resolved as `'_`
[INFO] [stdout]    |                   this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn as_map(&self) -> Option<&HashMap<&str, Value<'_>>> {
[INFO] [stdout]    |                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `AssetType` is never used
[INFO] [stdout]  --> src/util/types.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum AssetType {
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/protocol/json/deserialize.rs:29:31
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn deserialize(input: &str) -> crate::Result<HashMap<&str, Value>> {
[INFO] [stdout]    |                               ^^^^                           ----  ----- the lifetimes get resolved as `'_`
[INFO] [stdout]    |                               |                              |
[INFO] [stdout]    |                               |                              the lifetimes get resolved as `'_`
[INFO] [stdout]    |                               this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn deserialize(input: &str) -> crate::Result<HashMap<&str, Value<'_>>> {
[INFO] [stdout]    |                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/protocol/json/deserialize.rs:193:16
[INFO] [stdout]     |
[INFO] [stdout] 193 |         input: &[u8],
[INFO] [stdout]     |                ^^^^^ this lifetime flows to the output
[INFO] [stdout] 194 |         start: usize,
[INFO] [stdout] 195 |     ) -> crate::Result<(Value, usize)> {
[INFO] [stdout]     |                         ----- the lifetime gets resolved as `'_`
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 195 |     ) -> crate::Result<(Value<'_>, usize)> {
[INFO] [stdout]     |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/protocol/json/value.rs:43:21
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn as_array(&self) -> Option<&[Value]> {
[INFO] [stdout]    |                     ^^^^^            --------
[INFO] [stdout]    |                     |                | |
[INFO] [stdout]    |                     |                | the lifetimes get resolved as `'_`
[INFO] [stdout]    |                     |                the lifetimes get resolved as `'_`
[INFO] [stdout]    |                     this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn as_array(&self) -> Option<&[Value<'_>]> {
[INFO] [stdout]    |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/protocol/json/value.rs:51:19
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn as_map(&self) -> Option<&HashMap<&str, Value>> {
[INFO] [stdout]    |                   ^^^^^            ---------------------
[INFO] [stdout]    |                   |                |        |     |
[INFO] [stdout]    |                   |                |        |     the lifetimes get resolved as `'_`
[INFO] [stdout]    |                   |                |        the lifetimes get resolved as `'_`
[INFO] [stdout]    |                   |                the lifetimes get resolved as `'_`
[INFO] [stdout]    |                   this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn as_map(&self) -> Option<&HashMap<&str, Value<'_>>> {
[INFO] [stdout]    |                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "9bea39a8bc1659b0848a4045e442ffa57e9951747820bb033133527afa78bf7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bea39a8bc1659b0848a4045e442ffa57e9951747820bb033133527afa78bf7c", kill_on_drop: false }`
[INFO] [stdout] 9bea39a8bc1659b0848a4045e442ffa57e9951747820bb033133527afa78bf7c