[INFO] fetching crate blake2 0.10.6...
[INFO] checking blake2-0.10.6 against master#35936c4839dd272646394779d151e060d0f6b3ac for pr-122960-1
[INFO] extracting crate blake2 0.10.6 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate blake2 0.10.6 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 blake2 0.10.6
[INFO] finished tweaking crates.io crate blake2 0.10.6
[INFO] tweaked toml for crates.io crate blake2 0.10.6 written to /workspace/builds/worker-2-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]     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]  Downloading crates ...
[INFO] [stderr]   Downloaded crypto-common v0.1.6
[INFO] [stderr]   Downloaded block-buffer v0.10.4
[INFO] [stderr]   Downloaded subtle v2.5.0
[INFO] [stderr]   Downloaded digest v0.10.7
[INFO] [stderr]   Downloaded generic-array v0.14.7
[INFO] [stderr]   Downloaded hex-literal v0.2.2
[INFO] [stderr]   Downloaded blobby v0.3.1
[INFO] [stderr]   Downloaded typenum v1.17.0
[INFO] [stderr]   Downloaded hex-literal-impl v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] d01f1d3aba1c56f996b5cee3a5268402df590b222b34ea475a9462eb80dc72b2
[INFO] running `Command { std: "docker" "start" "-a" "d01f1d3aba1c56f996b5cee3a5268402df590b222b34ea475a9462eb80dc72b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d01f1d3aba1c56f996b5cee3a5268402df590b222b34ea475a9462eb80dc72b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d01f1d3aba1c56f996b5cee3a5268402df590b222b34ea475a9462eb80dc72b2", kill_on_drop: false }`
[INFO] [stdout] d01f1d3aba1c56f996b5cee3a5268402df590b222b34ea475a9462eb80dc72b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 0b4f57415a44d0874e2be5b947ff2e21246f1c877e8e0e7e8c8d9b22073a15c7
[INFO] running `Command { std: "docker" "start" "-a" "0b4f57415a44d0874e2be5b947ff2e21246f1c877e8e0e7e8c8d9b22073a15c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking blobby v0.3.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling hex-literal-impl v0.2.3
[INFO] [stderr]     Checking hex-literal v0.2.2
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking blake2 v0.10.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `as_mut_bytes` is never used
[INFO] [stdout]   --> src/as_bytes.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub trait AsBytes {
[INFO] [stdout]    |           ------- method in this trait
[INFO] [stdout] 15 |     fn as_bytes(&self) -> &[u8];
[INFO] [stdout] 16 |     fn as_mut_bytes(&mut self) -> &mut [u8];
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `as_mut_bytes` is never used
[INFO] [stdout]   --> src/as_bytes.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub trait AsBytes {
[INFO] [stdout]    |           ------- method in this trait
[INFO] [stdout] 15 |     fn as_bytes(&self) -> &[u8];
[INFO] [stdout] 16 |     fn as_mut_bytes(&mut self) -> &mut [u8];
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.79s
[INFO] running `Command { std: "docker" "inspect" "0b4f57415a44d0874e2be5b947ff2e21246f1c877e8e0e7e8c8d9b22073a15c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b4f57415a44d0874e2be5b947ff2e21246f1c877e8e0e7e8c8d9b22073a15c7", kill_on_drop: false }`
[INFO] [stdout] 0b4f57415a44d0874e2be5b947ff2e21246f1c877e8e0e7e8c8d9b22073a15c7