[INFO] crate zstd-safe 1.4.13+zstd.1.4.3 is already in cache
[INFO] checking zstd-safe-1.4.13+zstd.1.4.3 against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] extracting crate zstd-safe 1.4.13+zstd.1.4.3 into work/builds/worker-6/source
[INFO] validating manifest of crates.io crate zstd-safe 1.4.13+zstd.1.4.3 on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate zstd-safe 1.4.13+zstd.1.4.3
[INFO] finished tweaking crates.io crate zstd-safe 1.4.13+zstd.1.4.3
[INFO] tweaked toml for crates.io crate zstd-safe 1.4.13+zstd.1.4.3 written to work/builds/worker-6/source/Cargo.toml
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c106b9c235b84843f6339d29cc5701933d5986cfbbdb952b04fb98a9f1f2e969
[INFO] running `"docker" "start" "-a" "c106b9c235b84843f6339d29cc5701933d5986cfbbdb952b04fb98a9f1f2e969"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling jobserver v0.1.17
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling zstd-sys v1.4.13+zstd.1.4.3
[INFO] [stderr]     Checking zstd-safe v1.4.13+zstd.1.4.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `c_int`, `c_ulonglong`
[INFO] [stderr]   --> src/lib.rs:41:12
[INFO] [stderr]    |
[INFO] [stderr] 41 | use libc::{c_int, c_ulonglong, c_void};
[INFO] [stderr]    |            ^^^^^  ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `c_int`, `c_ulonglong`
[INFO] [stderr]   --> src/lib.rs:41:12
[INFO] [stderr]    |
[INFO] [stderr] 41 | use libc::{c_int, c_ulonglong, c_void};
[INFO] [stderr]    |            ^^^^^  ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.46s
[INFO] running `"docker" "inspect" "c106b9c235b84843f6339d29cc5701933d5986cfbbdb952b04fb98a9f1f2e969"`
[INFO] running `"docker" "rm" "-f" "c106b9c235b84843f6339d29cc5701933d5986cfbbdb952b04fb98a9f1f2e969"`
[INFO] [stdout] c106b9c235b84843f6339d29cc5701933d5986cfbbdb952b04fb98a9f1f2e969