[INFO] crate rust-mnist 0.1.4 is already in cache
[INFO] checking rust-mnist-0.1.4 against try#8a5e87609850cdd8679aada01eb0f3062f254ca8 for pr-71140
[INFO] extracting crate rust-mnist 0.1.4 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rust-mnist 0.1.4 on toolchain 8a5e87609850cdd8679aada01eb0f3062f254ca8
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rust-mnist 0.1.4
[INFO] finished tweaking crates.io crate rust-mnist 0.1.4
[INFO] tweaked toml for crates.io crate rust-mnist 0.1.4 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate rust-mnist 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e4bb7bc6b7f8bd3d0ea2b076c01efe1359dbcf5493728db51d540dc87a10c191
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "e4bb7bc6b7f8bd3d0ea2b076c01efe1359dbcf5493728db51d540dc87a10c191"`
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]     Checking tinytemplate v1.0.3
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rust-mnist v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_xoshiro v0.3.1
[INFO] [stderr]     Checking rand_os v0.2.2
[INFO] [stderr]     Checking bstr v0.2.9
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking criterion v0.3.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.38s
[INFO] running `"docker" "inspect" "e4bb7bc6b7f8bd3d0ea2b076c01efe1359dbcf5493728db51d540dc87a10c191"`
[INFO] running `"docker" "rm" "-f" "e4bb7bc6b7f8bd3d0ea2b076c01efe1359dbcf5493728db51d540dc87a10c191"`
[INFO] [stdout] e4bb7bc6b7f8bd3d0ea2b076c01efe1359dbcf5493728db51d540dc87a10c191