[INFO] fetching crate double-checked-cell 2.0.2...
[INFO] checking double-checked-cell-2.0.2 against try#71b81291baafb8a58836272757b28817fe1d8190 for pr-73102
[INFO] extracting crate double-checked-cell 2.0.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate double-checked-cell 2.0.2 on toolchain 71b81291baafb8a58836272757b28817fe1d8190
[INFO] running `"/workspace/cargo-home/bin/cargo" "+71b81291baafb8a58836272757b28817fe1d8190" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate double-checked-cell 2.0.2
[INFO] finished tweaking crates.io crate double-checked-cell 2.0.2
[INFO] tweaked toml for crates.io crate double-checked-cell 2.0.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+71b81291baafb8a58836272757b28817fe1d8190" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+71b81291baafb8a58836272757b28817fe1d8190" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scopeguard v0.1.2
[INFO] [stderr]   Downloaded scoped-pool v1.0.0
[INFO] [stderr]   Downloaded variance v0.1.3
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+71b81291baafb8a58836272757b28817fe1d8190" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e871ca861026ed3483919cdd9d8c088c6dadd926f92e365fe3bc5823b00c6e51
[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" "e871ca861026ed3483919cdd9d8c088c6dadd926f92e365fe3bc5823b00c6e51"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking variance v0.1.3
[INFO] [stderr]     Checking scopeguard v0.1.2
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking double-checked-cell v2.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking scoped-pool v1.0.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `"docker" "inspect" "e871ca861026ed3483919cdd9d8c088c6dadd926f92e365fe3bc5823b00c6e51"`
[INFO] running `"docker" "rm" "-f" "e871ca861026ed3483919cdd9d8c088c6dadd926f92e365fe3bc5823b00c6e51"`
[INFO] [stdout] e871ca861026ed3483919cdd9d8c088c6dadd926f92e365fe3bc5823b00c6e51