[INFO] crate scroll 0.10.1 is already in cache
[INFO] checking scroll-0.10.1 against master#450abe80f193ccefbfcd48214d70520f2d507f0e for pr-73084
[INFO] extracting crate scroll 0.10.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate scroll 0.10.1 on toolchain 450abe80f193ccefbfcd48214d70520f2d507f0e
[INFO] running `"/workspace/cargo-home/bin/cargo" "+450abe80f193ccefbfcd48214d70520f2d507f0e" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate scroll 0.10.1
[INFO] finished tweaking crates.io crate scroll 0.10.1
[INFO] tweaked toml for crates.io crate scroll 0.10.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate scroll 0.10.1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+450abe80f193ccefbfcd48214d70520f2d507f0e" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+450abe80f193ccefbfcd48214d70520f2d507f0e" "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] 305f69c2dc31dc6d0af7267b6c3025e0a8fa63ffb1ee419158c87b070f4887b8
[INFO] running `"docker" "start" "-a" "305f69c2dc31dc6d0af7267b6c3025e0a8fa63ffb1ee419158c87b070f4887b8"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking scroll v0.10.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling memoffset v0.5.2
[INFO] [stderr]     Checking num_cpus v1.11.0
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking rayon-core v1.6.0
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]   --> tests/readme.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let result = cmd.spawn()
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.09s
[INFO] running `"docker" "inspect" "305f69c2dc31dc6d0af7267b6c3025e0a8fa63ffb1ee419158c87b070f4887b8"`
[INFO] running `"docker" "rm" "-f" "305f69c2dc31dc6d0af7267b6c3025e0a8fa63ffb1ee419158c87b070f4887b8"`
[INFO] [stdout] 305f69c2dc31dc6d0af7267b6c3025e0a8fa63ffb1ee419158c87b070f4887b8