[INFO] fetching crate ptth_relay 2.0.0...
[INFO] checking ptth_relay-2.0.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate ptth_relay 2.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate ptth_relay 2.0.0
[INFO] finished tweaking crates.io crate ptth_relay 2.0.0
[INFO] tweaked toml for crates.io crate ptth_relay 2.0.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ptth_relay 2.0.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ptth_relay 2.0.0 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 4a29062bf37aeb568ad08220e6d05c4d4406589967849bda31888e2a861820e2
[INFO] running `Command { std: "docker" "start" "-a" "4a29062bf37aeb568ad08220e6d05c4d4406589967849bda31888e2a861820e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a29062bf37aeb568ad08220e6d05c4d4406589967849bda31888e2a861820e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a29062bf37aeb568ad08220e6d05c4d4406589967849bda31888e2a861820e2", kill_on_drop: false }`
[INFO] [stdout] 4a29062bf37aeb568ad08220e6d05c4d4406589967849bda31888e2a861820e2
[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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 862b481d54924e1205659a1f446deaa06fede9e184dd7b378aecf7af4d1c7421
[INFO] running `Command { std: "docker" "start" "-a" "862b481d54924e1205659a1f446deaa06fede9e184dd7b378aecf7af4d1c7421", kill_on_drop: false }`
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[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/server_endpoint.rs:90:7
[INFO] [stdout]    |
[INFO] [stdout] 90 |         let mut status = server_status.entry (watcher_code.clone ()).or_insert_with (Default::default);
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/server_endpoint.rs:90:7
[INFO] [stdout]    |
[INFO] [stdout] 90 |         let mut status = server_status.entry (watcher_code.clone ()).or_insert_with (Default::default);
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/key_validity.rs:95:2
[INFO] [stdout]    |
[INFO] [stdout] 94 | pub struct ScraperKey <V: MaxValidDuration> {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 95 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `time_monotonic`, `time_utc`, and `data` are never read
[INFO] [stdout]    --> src/relay_state.rs:104:2
[INFO] [stdout]     |
[INFO] [stdout] 103 | pub struct AuditEvent {
[INFO] [stdout]     |            ---------- fields in this struct
[INFO] [stdout] 104 |     time_monotonic: Instant,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 105 |     time_utc: DateTime <Utc>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 106 |     data: AuditData,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `AuditEvent` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `req_id` and `server_name` are never read
[INFO] [stdout]    --> src/relay_state.rs:113:3
[INFO] [stdout]     |
[INFO] [stdout] 112 |     WebClientGet {
[INFO] [stdout]     |     ------------ fields in this variant
[INFO] [stdout] 113 |         req_id: String,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 114 |         server_name: String,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `AuditData` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<u8>, Infallible>
[INFO] [stdout]    --> src/lib.rs:459:16
[INFO] [stdout]     |
[INFO] [stdout] 459 |                 let item = Ok::<_, Infallible> (random_block.clone ());
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<u8>, Infallible>
[INFO] [stdout]    --> src/lib.rs:460:17
[INFO] [stdout]     |
[INFO] [stdout] 460 |                 if tx.send (item).await.is_err () {
[INFO] [stdout]     |                             ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<service::util::ServiceFn<{closure@src/lib.rs:646:37: 646:47}, Body>, Infallible>
[INFO] [stdout]    --> src/lib.rs:645:9
[INFO] [stdout]     |
[INFO] [stdout] 645 |           async {
[INFO] [stdout]     |  _______________^
[INFO] [stdout] 646 | |             Ok::<_, Infallible> (service_fn (move |req| {
[INFO] [stdout] 647 | |                 let state = state.clone ();
[INFO] [stdout] 648 | |                 let handlebars = handlebars.clone ();
[INFO] [stdout] ...   |
[INFO] [stdout] 656 | |             }))
[INFO] [stdout] 657 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<service::util::ServiceFn<{closure@src/lib.rs:646:37: 646:47}, Body>, Infallible>
[INFO] [stdout]    --> src/lib.rs:646:4
[INFO] [stdout]     |
[INFO] [stdout] 646 | /             Ok::<_, Infallible> (service_fn (move |req| {
[INFO] [stdout] 647 | |                 let state = state.clone ();
[INFO] [stdout] 648 | |                 let handlebars = handlebars.clone ();
[INFO] [stdout] ...   |
[INFO] [stdout] 656 | |             }))
[INFO] [stdout]     | |_______________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::Response<Body>, Infallible>
[INFO] [stdout]    --> src/lib.rs:650:11
[INFO] [stdout]     |
[INFO] [stdout] 650 |                   async {
[INFO] [stdout]     |  _______________________^
[INFO] [stdout] 651 | |                     Ok::<_, Infallible> (handle_all (req, state, handlebars).await.unwrap_or_else (|e| {
[INFO] [stdout] 652 | |                         error! ("{}", e);
[INFO] [stdout] 653 | |                         error_reply (StatusCode::INTERNAL_SERVER_ERROR, "Error in relay").unwrap ()
[INFO] [stdout] 654 | |                     }))
[INFO] [stdout] 655 | |                 }
[INFO] [stdout]     | |_________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::Response<Body>, Infallible>
[INFO] [stdout]    --> src/lib.rs:651:6
[INFO] [stdout]     |
[INFO] [stdout] 651 | /                     Ok::<_, Infallible> (handle_all (req, state, handlebars).await.unwrap_or_else (|e| {
[INFO] [stdout] 652 | |                         error! ("{}", e);
[INFO] [stdout] 653 | |                         error_reply (StatusCode::INTERNAL_SERVER_ERROR, "Error in relay").unwrap ()
[INFO] [stdout] 654 | |                     }))
[INFO] [stdout]     | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/key_validity.rs:95:2
[INFO] [stdout]    |
[INFO] [stdout] 94 | pub struct ScraperKey <V: MaxValidDuration> {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 95 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `time_monotonic`, `time_utc`, and `data` are never read
[INFO] [stdout]    --> src/relay_state.rs:104:2
[INFO] [stdout]     |
[INFO] [stdout] 103 | pub struct AuditEvent {
[INFO] [stdout]     |            ---------- fields in this struct
[INFO] [stdout] 104 |     time_monotonic: Instant,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 105 |     time_utc: DateTime <Utc>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 106 |     data: AuditData,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `AuditEvent` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `req_id` and `server_name` are never read
[INFO] [stdout]    --> src/relay_state.rs:113:3
[INFO] [stdout]     |
[INFO] [stdout] 112 |     WebClientGet {
[INFO] [stdout]     |     ------------ fields in this variant
[INFO] [stdout] 113 |         req_id: String,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 114 |         server_name: String,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `AuditData` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `expected_headers` is never used
[INFO] [stdout]    --> src/scraper_api.rs:260:6
[INFO] [stdout]     |
[INFO] [stdout] 235 |     impl TestCase {
[INFO] [stdout]     |     ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 260 |         fn expected_headers (&self, v: Vec <(&'static str, &'static str)>) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<u8>, Infallible>
[INFO] [stdout]    --> src/lib.rs:459:16
[INFO] [stdout]     |
[INFO] [stdout] 459 |                 let item = Ok::<_, Infallible> (random_block.clone ());
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<u8>, Infallible>
[INFO] [stdout]    --> src/lib.rs:460:17
[INFO] [stdout]     |
[INFO] [stdout] 460 |                 if tx.send (item).await.is_err () {
[INFO] [stdout]     |                             ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<service::util::ServiceFn<{closure@src/lib.rs:646:37: 646:47}, hyper::Body>, Infallible>
[INFO] [stdout]    --> src/lib.rs:645:9
[INFO] [stdout]     |
[INFO] [stdout] 645 |           async {
[INFO] [stdout]     |  _______________^
[INFO] [stdout] 646 | |             Ok::<_, Infallible> (service_fn (move |req| {
[INFO] [stdout] 647 | |                 let state = state.clone ();
[INFO] [stdout] 648 | |                 let handlebars = handlebars.clone ();
[INFO] [stdout] ...   |
[INFO] [stdout] 656 | |             }))
[INFO] [stdout] 657 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<service::util::ServiceFn<{closure@src/lib.rs:646:37: 646:47}, hyper::Body>, Infallible>
[INFO] [stdout]    --> src/lib.rs:646:4
[INFO] [stdout]     |
[INFO] [stdout] 646 | /             Ok::<_, Infallible> (service_fn (move |req| {
[INFO] [stdout] 647 | |                 let state = state.clone ();
[INFO] [stdout] 648 | |                 let handlebars = handlebars.clone ();
[INFO] [stdout] ...   |
[INFO] [stdout] 656 | |             }))
[INFO] [stdout]     | |_______________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::Response<hyper::Body>, Infallible>
[INFO] [stdout]    --> src/lib.rs:650:11
[INFO] [stdout]     |
[INFO] [stdout] 650 |                   async {
[INFO] [stdout]     |  _______________________^
[INFO] [stdout] 651 | |                     Ok::<_, Infallible> (handle_all (req, state, handlebars).await.unwrap_or_else (|e| {
[INFO] [stdout] 652 | |                         error! ("{}", e);
[INFO] [stdout] 653 | |                         error_reply (StatusCode::INTERNAL_SERVER_ERROR, "Error in relay").unwrap ()
[INFO] [stdout] 654 | |                     }))
[INFO] [stdout] 655 | |                 }
[INFO] [stdout]     | |_________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::Response<hyper::Body>, Infallible>
[INFO] [stdout]    --> src/lib.rs:651:6
[INFO] [stdout]     |
[INFO] [stdout] 651 | /                     Ok::<_, Infallible> (handle_all (req, state, handlebars).await.unwrap_or_else (|e| {
[INFO] [stdout] 652 | |                         error! ("{}", e);
[INFO] [stdout] 653 | |                         error_reply (StatusCode::INTERNAL_SERVER_ERROR, "Error in relay").unwrap ()
[INFO] [stdout] 654 | |                     }))
[INFO] [stdout]     | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ptth_relay` (lib) due to 6 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `ptth_relay` (lib test) due to 6 previous errors; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "862b481d54924e1205659a1f446deaa06fede9e184dd7b378aecf7af4d1c7421", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "862b481d54924e1205659a1f446deaa06fede9e184dd7b378aecf7af4d1c7421", kill_on_drop: false }`
[INFO] [stdout] 862b481d54924e1205659a1f446deaa06fede9e184dd7b378aecf7af4d1c7421
