[INFO] crate signature_derive 1.0.0-pre.1 is already in cache
[INFO] checking signature_derive-1.0.0-pre.1 against master#d939f708d960161d23b964309ba68ff207fc0ead for pr-70087
[INFO] extracting crate signature_derive 1.0.0-pre.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate signature_derive 1.0.0-pre.1 on toolchain d939f708d960161d23b964309ba68ff207fc0ead
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate signature_derive 1.0.0-pre.1
[INFO] finished tweaking crates.io crate signature_derive 1.0.0-pre.1
[INFO] tweaked toml for crates.io crate signature_derive 1.0.0-pre.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+d939f708d960161d23b964309ba68ff207fc0ead" "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] 6edf70001aae030ae9f7b0e14951fd485e63c6fa8a8769eb3346965764ca074d
[INFO] running `"docker" "start" "-a" "6edf70001aae030ae9f7b0e14951fd485e63c6fa8a8769eb3346965764ca074d"`
[INFO] [stderr]     Checking syn v1.0.16
[INFO] [stderr]     Checking synstructure v0.12.3
[INFO] [stderr]     Checking signature_derive v1.0.0-pre.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.61s
[INFO] running `"docker" "inspect" "6edf70001aae030ae9f7b0e14951fd485e63c6fa8a8769eb3346965764ca074d"`
[INFO] running `"docker" "rm" "-f" "6edf70001aae030ae9f7b0e14951fd485e63c6fa8a8769eb3346965764ca074d"`
[INFO] [stdout] 6edf70001aae030ae9f7b0e14951fd485e63c6fa8a8769eb3346965764ca074d