[INFO] crate algebraics 0.2.0 is already in cache
[INFO] checking algebraics-0.2.0 against try#879b8cb7dc2ad9102994457e73cf78d124926ea5 for pr-73084
[INFO] extracting crate algebraics 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate algebraics 0.2.0 on toolchain 879b8cb7dc2ad9102994457e73cf78d124926ea5
[INFO] running `"/workspace/cargo-home/bin/cargo" "+879b8cb7dc2ad9102994457e73cf78d124926ea5" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate algebraics 0.2.0
[INFO] finished tweaking crates.io crate algebraics 0.2.0
[INFO] tweaked toml for crates.io crate algebraics 0.2.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+879b8cb7dc2ad9102994457e73cf78d124926ea5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+879b8cb7dc2ad9102994457e73cf78d124926ea5" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+879b8cb7dc2ad9102994457e73cf78d124926ea5" "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] f6d72d084094a7e076aca6c85e4244e67da2255b9f566f3e179074c3bda61b8a
[INFO] running `"docker" "start" "-a" "f6d72d084094a7e076aca6c85e4244e67da2255b9f566f3e179074c3bda61b8a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.71
[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-rational v0.2.4
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking algebraics v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.78s
[INFO] running `"docker" "inspect" "f6d72d084094a7e076aca6c85e4244e67da2255b9f566f3e179074c3bda61b8a"`
[INFO] running `"docker" "rm" "-f" "f6d72d084094a7e076aca6c85e4244e67da2255b9f566f3e179074c3bda61b8a"`
[INFO] [stdout] f6d72d084094a7e076aca6c85e4244e67da2255b9f566f3e179074c3bda61b8a