[INFO] updating cached repository https://github.com/hitzemann/euler
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4fef79042da159c1a2c422774c6288a78a04cca8
[INFO] testing hitzemann/euler against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhitzemann%2Feuler" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hitzemann/euler on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/hitzemann/euler
[INFO] finished tweaking git repo https://github.com/hitzemann/euler
[INFO] tweaked toml for git repo https://github.com/hitzemann/euler written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/hitzemann/euler already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-4/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] db1bc6569670cc51f48c8092b55dbbce2ab3027dca13257e19dd55c27b6a41e3
[INFO] running `"docker" "start" "-a" "db1bc6569670cc51f48c8092b55dbbce2ab3027dca13257e19dd55c27b6a41e3"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling hamming v0.1.3
[INFO] [stderr]    Compiling primal-estimate v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling primal-bit v0.2.4
[INFO] [stderr]    Compiling primal-sieve v0.2.9
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling primal-check v0.2.3
[INFO] [stderr]    Compiling primal v0.2.3
[INFO] [stderr]    Compiling euler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.93s
[INFO] running `"docker" "inspect" "db1bc6569670cc51f48c8092b55dbbce2ab3027dca13257e19dd55c27b6a41e3"`
[INFO] running `"docker" "rm" "-f" "db1bc6569670cc51f48c8092b55dbbce2ab3027dca13257e19dd55c27b6a41e3"`
[INFO] [stdout] db1bc6569670cc51f48c8092b55dbbce2ab3027dca13257e19dd55c27b6a41e3
[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=warn" "-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" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 65492b9f65a65ae152d30652b29b21975f2151e8ea8fb6008308f45601790c18
[INFO] running `"docker" "start" "-a" "65492b9f65a65ae152d30652b29b21975f2151e8ea8fb6008308f45601790c18"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling euler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `"docker" "inspect" "65492b9f65a65ae152d30652b29b21975f2151e8ea8fb6008308f45601790c18"`
[INFO] running `"docker" "rm" "-f" "65492b9f65a65ae152d30652b29b21975f2151e8ea8fb6008308f45601790c18"`
[INFO] [stdout] 65492b9f65a65ae152d30652b29b21975f2151e8ea8fb6008308f45601790c18
[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=warn" "-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" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a861c9a1f1d3bcdddda89c0a0d3c64d9e4d081178d838bae324e164c730715ba
[INFO] running `"docker" "start" "-a" "a861c9a1f1d3bcdddda89c0a0d3c64d9e4d081178d838bae324e164c730715ba"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/euler-9800944b2a1bdf2a
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test euler::problem0008_validation ... ok
[INFO] [stdout] test euler::problem0009_validation ... ok
[INFO] [stdout] test euler::problem0002_validation ... ok
[INFO] [stdout] test euler::problem0001_validation ... ok
[INFO] [stdout] test euler::problem0012_validation ... ok
[INFO] [stdout] test euler::problem0011_2factors_validation ... ok
[INFO] [stdout] test euler::problem0007_validation ... ok
[INFO] [stdout] test euler::problem0004_validation ... ok
[INFO] [stdout] test euler::is_palindrome_0004_validation ... ok
[INFO] [stdout] test euler::problem0011_3factors_validation ... ok
[INFO] [stdout] test euler::problem0006_validation ... ok
[INFO] [stdout] test euler::problem0003_validation ... ok
[INFO] [stdout] test euler::problem0010_validation ... ok
[INFO] [stdout] test euler::problem0005_validation ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "a861c9a1f1d3bcdddda89c0a0d3c64d9e4d081178d838bae324e164c730715ba"`
[INFO] running `"docker" "rm" "-f" "a861c9a1f1d3bcdddda89c0a0d3c64d9e4d081178d838bae324e164c730715ba"`
[INFO] [stdout] a861c9a1f1d3bcdddda89c0a0d3c64d9e4d081178d838bae324e164c730715ba