[INFO] fetching crate next-web-core 0.1.5...
[INFO] checking next-web-core-0.1.5 against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] extracting crate next-web-core 0.1.5 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate next-web-core 0.1.5
[INFO] finished tweaking crates.io crate next-web-core 0.1.5
[INFO] tweaked toml for crates.io crate next-web-core 0.1.5 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate next-web-core 0.1.5 on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate next-web-core 0.1.5 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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 289174856d4b1fa3ac88e99c7fe5187e8f1af88308cba60f2c1e78937d09fa3d
[INFO] running `Command { std: "docker" "start" "-a" "289174856d4b1fa3ac88e99c7fe5187e8f1af88308cba60f2c1e78937d09fa3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "289174856d4b1fa3ac88e99c7fe5187e8f1af88308cba60f2c1e78937d09fa3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "289174856d4b1fa3ac88e99c7fe5187e8f1af88308cba60f2c1e78937d09fa3d", kill_on_drop: false }`
[INFO] [stdout] 289174856d4b1fa3ac88e99c7fe5187e8f1af88308cba60f2c1e78937d09fa3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4a78f8be9083882ac603a78235ec129ec9f2dce417c8b807eb34ec52378e01b
[INFO] running `Command { std: "docker" "start" "-a" "b4a78f8be9083882ac603a78235ec129ec9f2dce417c8b807eb34ec52378e01b", kill_on_drop: false }`
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[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]   --> src/filter/application_filter_chain.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         request: &mut dyn HttpRequest,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `response`
[INFO] [stdout]   --> src/filter/application_filter_chain.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |         response: &mut dyn HttpResponse,
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]  --> src/http/default_request_dispatcher.rs:8:23
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn forward(&self, request: &Request, response: &mut Response) -> Result<(), BoxError> {
[INFO] [stdout]   |                       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `response`
[INFO] [stdout]  --> src/http/default_request_dispatcher.rs:8:42
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn forward(&self, request: &Request, response: &mut Response) -> Result<(), BoxError> {
[INFO] [stdout]   |                                          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]   --> src/http/default_request_dispatcher.rs:12:23
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn include(&self, request: &Request, response: &mut Response) -> Result<(), BoxError> {
[INFO] [stdout]    |                       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `response`
[INFO] [stdout]   --> src/http/default_request_dispatcher.rs:12:42
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn include(&self, request: &Request, response: &mut Response) -> Result<(), BoxError> {
[INFO] [stdout]    |                                          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `query_string` is assigned to, but never used
[INFO] [stdout]   --> src/http/default_request_dispatcher.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let mut query_string = None;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_query_string` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `uri`
[INFO] [stdout]   --> src/http/default_request_dispatcher.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let uri = urlencoding::encode("") + uri.unwrap_or_default();
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_uri`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `uri` is never read
[INFO] [stdout]   --> src/http/default_request_dispatcher.rs:28:23
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let mut uri = None;
[INFO] [stdout]    |                       ^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 33 |             uri = Some(&path[0..pos]);
[INFO] [stdout]    |             ------------------------- `uri` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `query_string` is never read
[INFO] [stdout]   --> src/http/default_request_dispatcher.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |             query_string = Some(&path[pos + 1..]);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `relative` is assigned to, but never used
[INFO] [stdout]    --> src/traits/http/http_request.rs:104:13
[INFO] [stdout]     |
[INFO] [stdout] 104 |         let mut relative = None;
[INFO] [stdout]     |             ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_relative` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `relative` is never read
[INFO] [stdout]    --> src/traits/http/http_request.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |             relative = Some(String::from(urlencoding::encode(request_path)) + path);
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `relative` is never read
[INFO] [stdout]    --> src/traits/http/http_request.rs:110:17
[INFO] [stdout]     |
[INFO] [stdout] 110 |                 relative = Some(str2);
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[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]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Cookie` is never constructed
[INFO] [stdout]  --> src/http/cookie.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Cookie {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]   = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `next-web-core` (lib test) due to 1 previous error; 14 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]   --> src/filter/application_filter_chain.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         request: &mut dyn HttpRequest,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `response`
[INFO] [stdout]   --> src/filter/application_filter_chain.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |         response: &mut dyn HttpResponse,
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]  --> src/http/default_request_dispatcher.rs:8:23
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn forward(&self, request: &Request, response: &mut Response) -> Result<(), BoxError> {
[INFO] [stdout]   |                       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `response`
[INFO] [stdout]  --> src/http/default_request_dispatcher.rs:8:42
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn forward(&self, request: &Request, response: &mut Response) -> Result<(), BoxError> {
[INFO] [stdout]   |                                          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]   --> src/http/default_request_dispatcher.rs:12:23
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn include(&self, request: &Request, response: &mut Response) -> Result<(), BoxError> {
[INFO] [stdout]    |                       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `response`
[INFO] [stdout]   --> src/http/default_request_dispatcher.rs:12:42
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn include(&self, request: &Request, response: &mut Response) -> Result<(), BoxError> {
[INFO] [stdout]    |                                          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `query_string` is assigned to, but never used
[INFO] [stdout]   --> src/http/default_request_dispatcher.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let mut query_string = None;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_query_string` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `uri`
[INFO] [stdout]   --> src/http/default_request_dispatcher.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let uri = urlencoding::encode("") + uri.unwrap_or_default();
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_uri`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `uri` is never read
[INFO] [stdout]   --> src/http/default_request_dispatcher.rs:28:23
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let mut uri = None;
[INFO] [stdout]    |                       ^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 33 |             uri = Some(&path[0..pos]);
[INFO] [stdout]    |             ------------------------- `uri` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `query_string` is never read
[INFO] [stdout]   --> src/http/default_request_dispatcher.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |             query_string = Some(&path[pos + 1..]);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `relative` is assigned to, but never used
[INFO] [stdout]    --> src/traits/http/http_request.rs:104:13
[INFO] [stdout]     |
[INFO] [stdout] 104 |         let mut relative = None;
[INFO] [stdout]     |             ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_relative` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `relative` is never read
[INFO] [stdout]    --> src/traits/http/http_request.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |             relative = Some(String::from(urlencoding::encode(request_path)) + path);
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `relative` is never read
[INFO] [stdout]    --> src/traits/http/http_request.rs:110:17
[INFO] [stdout]     |
[INFO] [stdout] 110 |                 relative = Some(str2);
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[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]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Cookie` is never constructed
[INFO] [stdout]  --> src/http/cookie.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Cookie {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]   = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Proxy` is never constructed
[INFO] [stdout]  --> src/proxy/mod.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Proxy<A, B, T> {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `next-web-core` (lib) due to 2 previous errors; 14 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "b4a78f8be9083882ac603a78235ec129ec9f2dce417c8b807eb34ec52378e01b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4a78f8be9083882ac603a78235ec129ec9f2dce417c8b807eb34ec52378e01b", kill_on_drop: false }`
[INFO] [stdout] b4a78f8be9083882ac603a78235ec129ec9f2dce417c8b807eb34ec52378e01b
