[INFO] fetching crate blake2b_simd 1.0.2...
[INFO] checking blake2b_simd-1.0.2 against master#020bbe46bdf613c0b8211984eaa8e5fe97d6c92d for pr-122960
[INFO] extracting crate blake2b_simd 1.0.2 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate blake2b_simd 1.0.2 on toolchain 020bbe46bdf613c0b8211984eaa8e5fe97d6c92d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate blake2b_simd 1.0.2
[INFO] finished tweaking crates.io crate blake2b_simd 1.0.2
[INFO] tweaked toml for crates.io crate blake2b_simd 1.0.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "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" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arrayref v0.3.7
[INFO] [stderr]   Downloaded constant_time_eq v0.3.0
[INFO] [stderr]   Downloaded arrayvec v0.7.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dcf39e9d3e02c93be51cd2d3886213f72b6c1e9af07bbb97e40bc1fb138285fb
[INFO] running `Command { std: "docker" "start" "-a" "dcf39e9d3e02c93be51cd2d3886213f72b6c1e9af07bbb97e40bc1fb138285fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dcf39e9d3e02c93be51cd2d3886213f72b6c1e9af07bbb97e40bc1fb138285fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcf39e9d3e02c93be51cd2d3886213f72b6c1e9af07bbb97e40bc1fb138285fb", kill_on_drop: false }`
[INFO] [stdout] dcf39e9d3e02c93be51cd2d3886213f72b6c1e9af07bbb97e40bc1fb138285fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d8354785f7524cb6bacd8713bab3f82d0842e7608b3154cdd187978aab02594
[INFO] running `Command { std: "docker" "start" "-a" "3d8354785f7524cb6bacd8713bab3f82d0842e7608b3154cdd187978aab02594", kill_on_drop: false }`
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]     Checking constant_time_eq v0.3.0
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking blake2b_simd v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]   --> src/blake2bp.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | use std;
[INFO] [stdout]    |     ^^^ the item `std` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `cmp` is imported redundantly
[INFO] [stdout]  --> src/guts.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::*;
[INFO] [stdout]   |     -------- the item `cmp` is already imported here
[INFO] [stdout] 2 | use arrayref::array_ref;
[INFO] [stdout] 3 | use core::cmp;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]   --> src/blake2bp.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | use std;
[INFO] [stdout]    |     ^^^ the item `std` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `size_of` is imported redundantly
[INFO] [stdout]    --> src/guts.rs:264:9
[INFO] [stdout]     |
[INFO] [stdout] 263 |     use super::*;
[INFO] [stdout]     |         -------- the item `size_of` is already imported here
[INFO] [stdout] 264 |     use core::mem::size_of;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `guts` is imported redundantly
[INFO] [stdout]    --> src/many.rs:424:9
[INFO] [stdout]     |
[INFO] [stdout] 423 |     use super::*;
[INFO] [stdout]     |         -------- the item `guts` is already imported here
[INFO] [stdout] 424 |     use crate::guts;
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `BLOCKBYTES` is imported redundantly
[INFO] [stdout]    --> src/many.rs:426:9
[INFO] [stdout]     |
[INFO] [stdout] 423 |     use super::*;
[INFO] [stdout]     |         -------- the item `BLOCKBYTES` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 426 |     use crate::BLOCKBYTES;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ArrayVec` is imported redundantly
[INFO] [stdout]    --> src/many.rs:427:9
[INFO] [stdout]     |
[INFO] [stdout] 423 |     use super::*;
[INFO] [stdout]     |         -------- the item `ArrayVec` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 427 |     use arrayvec::ArrayVec;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "3d8354785f7524cb6bacd8713bab3f82d0842e7608b3154cdd187978aab02594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d8354785f7524cb6bacd8713bab3f82d0842e7608b3154cdd187978aab02594", kill_on_drop: false }`
[INFO] [stdout] 3d8354785f7524cb6bacd8713bab3f82d0842e7608b3154cdd187978aab02594