[INFO] crate ring-algorithm 0.2.1 is already in cache
[INFO] checking ring-algorithm-0.2.1 against master#7f940ef5d91b53e889f111f27e00849f2f5ae4a2 for pr-72493
[INFO] extracting crate ring-algorithm 0.2.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ring-algorithm 0.2.1 on toolchain 7f940ef5d91b53e889f111f27e00849f2f5ae4a2
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7f940ef5d91b53e889f111f27e00849f2f5ae4a2" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ring-algorithm 0.2.1
[INFO] finished tweaking crates.io crate ring-algorithm 0.2.1
[INFO] tweaked toml for crates.io crate ring-algorithm 0.2.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7f940ef5d91b53e889f111f27e00849f2f5ae4a2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7f940ef5d91b53e889f111f27e00849f2f5ae4a2" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+7f940ef5d91b53e889f111f27e00849f2f5ae4a2" "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] be864f267de4aab28663852444554ad4f720732081d18f72d447f7b8c200a5f1
[INFO] running `"docker" "start" "-a" "be864f267de4aab28663852444554ad4f720732081d18f72d447f7b8c200a5f1"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking ring-algorithm v0.2.1
[INFO] [stderr]     Checking ring-algorithm v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking polynomial-ring v0.1.1
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.57s
[INFO] running `"docker" "inspect" "be864f267de4aab28663852444554ad4f720732081d18f72d447f7b8c200a5f1"`
[INFO] running `"docker" "rm" "-f" "be864f267de4aab28663852444554ad4f720732081d18f72d447f7b8c200a5f1"`
[INFO] [stdout] be864f267de4aab28663852444554ad4f720732081d18f72d447f7b8c200a5f1