[INFO] fetching crate next-web-core 0.1.4...
[INFO] checking next-web-core-0.1.4 against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] extracting crate next-web-core 0.1.4 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate next-web-core 0.1.4
[INFO] finished tweaking crates.io crate next-web-core 0.1.4
[INFO] tweaked toml for crates.io crate next-web-core 0.1.4 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate next-web-core 0.1.4 on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate next-web-core 0.1.4 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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 19ab7d7732ace192c412218740a146eee195e727c245df75899b0b5acf7a99f7
[INFO] running `Command { std: "docker" "start" "-a" "19ab7d7732ace192c412218740a146eee195e727c245df75899b0b5acf7a99f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19ab7d7732ace192c412218740a146eee195e727c245df75899b0b5acf7a99f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19ab7d7732ace192c412218740a146eee195e727c245df75899b0b5acf7a99f7", kill_on_drop: false }`
[INFO] [stdout] 19ab7d7732ace192c412218740a146eee195e727c245df75899b0b5acf7a99f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8928b44b398103653fcefe3ea9005dc6fc8dd3cdc961a963f3618092360d709
[INFO] running `Command { std: "docker" "start" "-a" "b8928b44b398103653fcefe3ea9005dc6fc8dd3cdc961a963f3618092360d709", kill_on_drop: false }`
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[INFO] [stdout] warning: method `keys` is never used
[INFO] [stdout]     --> src/context/application_context.rs:2716:19
[INFO] [stdout]      |
[INFO] [stdout] 2687 | impl SingleRegistry {
[INFO] [stdout]      | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 2716 |     pub(crate) fn keys(&self) -> Keys<Key, DynSingle> {
[INFO] [stdout]      |                   ^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]   --> src/context/application_resources.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct ApplicationResources {
[INFO] [stdout]    |            -------------------- field in this struct
[INFO] [stdout] 21 |     config: Arc<Config>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ApplicationResources` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/context/application_context.rs:2716:24
[INFO] [stdout]      |
[INFO] [stdout] 2716 |     pub(crate) fn keys(&self) -> Keys<Key, DynSingle> {
[INFO] [stdout]      |                        ^^^^^     ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |                        |
[INFO] [stdout]      |                        the lifetime is elided here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]      = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 2716 |     pub(crate) fn keys(&self) -> Keys<'_, Key, DynSingle> {
[INFO] [stdout]      |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `keys` is never used
[INFO] [stdout]     --> src/context/application_context.rs:2716:19
[INFO] [stdout]      |
[INFO] [stdout] 2687 | impl SingleRegistry {
[INFO] [stdout]      | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 2716 |     pub(crate) fn keys(&self) -> Keys<Key, DynSingle> {
[INFO] [stdout]      |                   ^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]   --> src/context/application_resources.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct ApplicationResources {
[INFO] [stdout]    |            -------------------- field in this struct
[INFO] [stdout] 21 |     config: Arc<Config>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ApplicationResources` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/context/application_context.rs:2716:24
[INFO] [stdout]      |
[INFO] [stdout] 2716 |     pub(crate) fn keys(&self) -> Keys<Key, DynSingle> {
[INFO] [stdout]      |                        ^^^^^     ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |                        |
[INFO] [stdout]      |                        the lifetime is elided here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]      = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 2716 |     pub(crate) fn keys(&self) -> Keys<'_, Key, DynSingle> {
[INFO] [stdout]      |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 36.24s
[INFO] running `Command { std: "docker" "inspect" "b8928b44b398103653fcefe3ea9005dc6fc8dd3cdc961a963f3618092360d709", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8928b44b398103653fcefe3ea9005dc6fc8dd3cdc961a963f3618092360d709", kill_on_drop: false }`
[INFO] [stdout] b8928b44b398103653fcefe3ea9005dc6fc8dd3cdc961a963f3618092360d709
