[INFO] crate sandboxfs 0.1.1 is already in cache
[INFO] checking sandboxfs-0.1.1 against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] extracting crate sandboxfs 0.1.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate sandboxfs 0.1.1 on toolchain ba72b15666b2491415aec703a02c2364fe5e2790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate sandboxfs 0.1.1
[INFO] finished tweaking crates.io crate sandboxfs 0.1.1
[INFO] tweaked toml for crates.io crate sandboxfs 0.1.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate sandboxfs 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+ba72b15666b2491415aec703a02c2364fe5e2790" "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] 96573f7c3508d60205bdc7b657e8b1fe62121a933c08659bd10a7e6bc5c6a40a
[INFO] running `"docker" "start" "-a" "96573f7c3508d60205bdc7b657e8b1fe62121a933c08659bd10a7e6bc5c6a40a"`
[INFO] [stderr]     Checking arc-swap v0.4.3
[INFO] [stderr]    Compiling fuse v0.3.1
[INFO] [stderr]    Compiling sandboxfs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling nix v0.12.1
[INFO] [stderr]     Checking users v0.9.1
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking signal-hook-registry v1.1.1
[INFO] [stderr]     Checking signal-hook v0.1.10
[INFO] [stderr]    Compiling synstructure v0.12.1
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.53s
[INFO] running `"docker" "inspect" "96573f7c3508d60205bdc7b657e8b1fe62121a933c08659bd10a7e6bc5c6a40a"`
[INFO] running `"docker" "rm" "-f" "96573f7c3508d60205bdc7b657e8b1fe62121a933c08659bd10a7e6bc5c6a40a"`
[INFO] [stdout] 96573f7c3508d60205bdc7b657e8b1fe62121a933c08659bd10a7e6bc5c6a40a