[INFO] fetching crate smush 0.1.4...
[INFO] checking smush-0.1.4 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate smush 0.1.4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate smush 0.1.4 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate smush 0.1.4
[INFO] finished tweaking crates.io crate smush 0.1.4
[INFO] tweaked toml for crates.io crate smush 0.1.4 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: version requirement `0.4.22+zstd.1.3.8` for dependency `zstd` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e6800b298d047a5876c5efdc2eef5c9e0fdcdd0c7c4c238c9582ae66c7691fd7
[INFO] running `"docker" "start" "-a" "e6800b298d047a5876c5efdc2eef5c9e0fdcdd0c7c4c238c9582ae66c7691fd7"`
[INFO] [stderr] warning: version requirement `0.4.22+zstd.1.3.8` for dependency `zstd` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.1
[INFO] [stderr]     Checking elapsed v0.1.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling zstd-sys v1.4.13+zstd.1.4.3
[INFO] [stderr]    Compiling lz4-sys v1.8.3
[INFO] [stderr]    Compiling lzma-sys v0.1.15
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]     Checking alloc-stdlib v0.2.1
[INFO] [stderr]     Checking brotli-decompressor v2.3.0
[INFO] [stderr]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]     Checking xz2 v0.1.6
[INFO] [stderr]    Compiling skeptic v0.13.4
[INFO] [stderr]     Checking brotli v3.3.0
[INFO] [stderr]    Compiling lz4 v1.23.1
[INFO] [stderr]     Checking zstd-safe v1.4.13+zstd.1.4.3
[INFO] [stderr]     Checking zstd v0.4.28+zstd.1.4.3
[INFO] [stderr]     Checking smush v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 24s
[INFO] running `"docker" "inspect" "e6800b298d047a5876c5efdc2eef5c9e0fdcdd0c7c4c238c9582ae66c7691fd7"`
[INFO] running `"docker" "rm" "-f" "e6800b298d047a5876c5efdc2eef5c9e0fdcdd0c7c4c238c9582ae66c7691fd7"`
[INFO] [stdout] e6800b298d047a5876c5efdc2eef5c9e0fdcdd0c7c4c238c9582ae66c7691fd7