[INFO] fetching crate http-api-problem 0.50.2...
[INFO] checking http-api-problem-0.50.2 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate http-api-problem 0.50.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate http-api-problem 0.50.2 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate http-api-problem 0.50.2
[INFO] finished tweaking crates.io crate http-api-problem 0.50.2
[INFO] tweaked toml for crates.io crate http-api-problem 0.50.2 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate http-api-problem 0.50.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] efcfbb575ba23c53913cf955d12560909a834c9cdd735227e893551b2d37ba6e
[INFO] running `Command { std: "docker" "start" "-a" "efcfbb575ba23c53913cf955d12560909a834c9cdd735227e893551b2d37ba6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "efcfbb575ba23c53913cf955d12560909a834c9cdd735227e893551b2d37ba6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efcfbb575ba23c53913cf955d12560909a834c9cdd735227e893551b2d37ba6e", kill_on_drop: false }`
[INFO] [stdout] efcfbb575ba23c53913cf955d12560909a834c9cdd735227e893551b2d37ba6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c50f1510d467f64615a2ad1b1446c4595d01ffb3da2d0bbff3623184277f6fb
[INFO] running `Command { std: "docker" "start" "-a" "7c50f1510d467f64615a2ad1b1446c4595d01ffb3da2d0bbff3623184277f6fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]     Checking serde v1.0.125
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking http-api-problem v0.50.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `status_or_internal_server_error`
[INFO] [stdout]    --> src/lib.rs:676:8
[INFO] [stdout]     |
[INFO] [stdout] 676 |     fn status_or_internal_server_error(&self) -> StatusCode {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `status_code_or_internal_server_error`
[INFO] [stdout]    --> src/lib.rs:680:8
[INFO] [stdout]     |
[INFO] [stdout] 680 |     fn status_code_or_internal_server_error(&self) -> u16 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `status_or_internal_server_error`
[INFO] [stdout]    --> src/lib.rs:676:8
[INFO] [stdout]     |
[INFO] [stdout] 676 |     fn status_or_internal_server_error(&self) -> StatusCode {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `status_code_or_internal_server_error`
[INFO] [stdout]    --> src/lib.rs:680:8
[INFO] [stdout]     |
[INFO] [stdout] 680 |     fn status_code_or_internal_server_error(&self) -> u16 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.30s
[INFO] running `Command { std: "docker" "inspect" "7c50f1510d467f64615a2ad1b1446c4595d01ffb3da2d0bbff3623184277f6fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c50f1510d467f64615a2ad1b1446c4595d01ffb3da2d0bbff3623184277f6fb", kill_on_drop: false }`
[INFO] [stdout] 7c50f1510d467f64615a2ad1b1446c4595d01ffb3da2d0bbff3623184277f6fb