[INFO] fetching crate headers 0.4.0...
[INFO] checking headers-0.4.0 against master#35936c4839dd272646394779d151e060d0f6b3ac for pr-122960-1
[INFO] extracting crate headers 0.4.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate headers 0.4.0 on toolchain 35936c4839dd272646394779d151e060d0f6b3ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate headers 0.4.0
[INFO] finished tweaking crates.io crate headers 0.4.0
[INFO] tweaked toml for crates.io crate headers 0.4.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cpufeatures v0.2.12
[INFO] [stderr]   Downloaded base64 v0.21.7
[INFO] [stderr]   Downloaded headers-core v0.3.0
[INFO] [stderr]   Downloaded http v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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_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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92a364d4a02c840b08cf81f24c9cda7cee8c5450da06040b06e170aa44b9cf55
[INFO] running `Command { std: "docker" "start" "-a" "92a364d4a02c840b08cf81f24c9cda7cee8c5450da06040b06e170aa44b9cf55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92a364d4a02c840b08cf81f24c9cda7cee8c5450da06040b06e170aa44b9cf55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92a364d4a02c840b08cf81f24c9cda7cee8c5450da06040b06e170aa44b9cf55", kill_on_drop: false }`
[INFO] [stdout] 92a364d4a02c840b08cf81f24c9cda7cee8c5450da06040b06e170aa44b9cf55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 557b65600a247bc40558120cda2a40c626883cce115122f81135a8c4b1b02751
[INFO] running `Command { std: "docker" "start" "-a" "557b65600a247bc40558120cda2a40c626883cce115122f81135a8c4b1b02751", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]     Checking httpdate v1.0.3
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]     Checking base64 v0.21.7
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking http v1.1.0
[INFO] [stderr]     Checking headers-core v0.3.0
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking headers v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `httpdate` is imported redundantly
[INFO] [stdout]   --> src/util/http_date.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | use httpdate;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:79:1
[INFO] [stdout]    |
[INFO] [stdout] 79 | extern crate httpdate;
[INFO] [stdout]    | ---------------------- the item `httpdate` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `mime` is imported redundantly
[INFO] [stdout]   --> src/common/content_type.rs:3:12
[INFO] [stdout]    |
[INFO] [stdout] 3  | use mime::{self, Mime};
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:80:1
[INFO] [stdout]    |
[INFO] [stdout] 80 | extern crate mime;
[INFO] [stdout]    | ------------------ the item `mime` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `http` is imported redundantly
[INFO] [stdout]   --> src/map_ext.rs:2:5
[INFO] [stdout]    |
[INFO] [stdout] 2  | use http;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:78:1
[INFO] [stdout]    |
[INFO] [stdout] 78 | extern crate http;
[INFO] [stdout]    | ------------------ the item `http` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `httpdate` is imported redundantly
[INFO] [stdout]   --> src/util/http_date.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | use httpdate;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:79:1
[INFO] [stdout]    |
[INFO] [stdout] 79 | extern crate httpdate;
[INFO] [stdout]    | ---------------------- the item `httpdate` is already imported here
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:3:24
[INFO] [stdout]    |
[INFO] [stdout] 3  | #![cfg_attr(test, deny(warnings))]
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `mime` is imported redundantly
[INFO] [stdout]   --> src/common/content_type.rs:3:12
[INFO] [stdout]    |
[INFO] [stdout] 3  | use mime::{self, Mime};
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:80:1
[INFO] [stdout]    |
[INFO] [stdout] 80 | extern crate mime;
[INFO] [stdout]    | ------------------ the item `mime` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `http` is imported redundantly
[INFO] [stdout]   --> src/map_ext.rs:2:5
[INFO] [stdout]    |
[INFO] [stdout] 2  | use http;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:78:1
[INFO] [stdout]    |
[INFO] [stdout] 78 | extern crate http;
[INFO] [stdout]    | ------------------ the item `http` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `headers` (lib test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "557b65600a247bc40558120cda2a40c626883cce115122f81135a8c4b1b02751", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "557b65600a247bc40558120cda2a40c626883cce115122f81135a8c4b1b02751", kill_on_drop: false }`
[INFO] [stdout] 557b65600a247bc40558120cda2a40c626883cce115122f81135a8c4b1b02751