[INFO] fetching crate yawc 0.3.3...
[INFO] checking yawc-0.3.3 against master#b52edc25bfbaa955b4b83c10f998e5224c3478b2 for pr-156776
[INFO] extracting crate yawc 0.3.3 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate yawc 0.3.3
[INFO] finished tweaking crates.io crate yawc 0.3.3
[INFO] tweaked toml for crates.io crate yawc 0.3.3 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate yawc 0.3.3 on toolchain b52edc25bfbaa955b4b83c10f998e5224c3478b2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b52edc25bfbaa955b4b83c10f998e5224c3478b2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate yawc 0.3.3 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" "+b52edc25bfbaa955b4b83c10f998e5224c3478b2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.3.50
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.3.50
[INFO] [stderr]   Downloaded minicov v0.3.7
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[INFO] [stderr]   Downloaded console-api v0.9.0
[INFO] [stderr]   Downloaded webpki-roots v1.0.1
[INFO] [stderr]   Downloaded reqwest v0.13.1
[INFO] [stderr]   Downloaded aws-lc-rs v1.13.3
[INFO] [stderr]   Downloaded console-subscriber v0.5.0
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[INFO] [stderr]   Downloaded smol v2.0.2
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b52edc25bfbaa955b4b83c10f998e5224c3478b2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f80980552189720f8da44918eacdd3dbcdb572bf0f18b3fd980a792dd51d5e3f
[INFO] running `Command { std: "docker" "start" "-a" "f80980552189720f8da44918eacdd3dbcdb572bf0f18b3fd980a792dd51d5e3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f80980552189720f8da44918eacdd3dbcdb572bf0f18b3fd980a792dd51d5e3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f80980552189720f8da44918eacdd3dbcdb572bf0f18b3fd980a792dd51d5e3f", kill_on_drop: false }`
[INFO] [stdout] f80980552189720f8da44918eacdd3dbcdb572bf0f18b3fd980a792dd51d5e3f
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b52edc25bfbaa955b4b83c10f998e5224c3478b2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 517c86b0b54f63f8912cc52728ca72cd30ce33eadc8c18871316dbd549da0c74
[INFO] running `Command { std: "docker" "start" "-a" "517c86b0b54f63f8912cc52728ca72cd30ce33eadc8c18871316dbd549da0c74", kill_on_drop: false }`
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[INFO] [stderr]     Checking yawc v0.3.3 (/opt/rustwide/workdir)
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[INFO] [stdout] warning: function `apply_mask_avx2` is never used
[INFO] [stdout]    --> src/mask.rs:112:11
[INFO] [stdout]     |
[INFO] [stdout] 112 | unsafe fn apply_mask_avx2(buf: &mut [u8], mask: [u8; 4]) {
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `apply_mask_avx2` is never used
[INFO] [stdout]    --> src/mask.rs:112:11
[INFO] [stdout]     |
[INFO] [stdout] 112 | unsafe fn apply_mask_avx2(buf: &mut [u8], mask: [u8; 4]) {
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.54s
[INFO] running `Command { std: "docker" "inspect" "517c86b0b54f63f8912cc52728ca72cd30ce33eadc8c18871316dbd549da0c74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "517c86b0b54f63f8912cc52728ca72cd30ce33eadc8c18871316dbd549da0c74", kill_on_drop: false }`
[INFO] [stdout] 517c86b0b54f63f8912cc52728ca72cd30ce33eadc8c18871316dbd549da0c74
