[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 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhitzemann%2Feuler" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hitzemann/euler on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "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-6/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" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-6/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[INFO] the lockfile is outdated, regenerating it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" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.44.0" "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] d7acf59f032ce846fa9cfcbfbe6532aab595aa6b6b4b8b62e0e63334977d8b8b
[INFO] running `"docker" "start" "-a" "d7acf59f032ce846fa9cfcbfbe6532aab595aa6b6b4b8b62e0e63334977d8b8b"`
[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 num-integer v0.1.42
[INFO] [stderr]    Compiling primal-bit v0.2.4
[INFO] [stderr]    Compiling primal-sieve v0.2.9
[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 6.92s
[INFO] running `"docker" "inspect" "d7acf59f032ce846fa9cfcbfbe6532aab595aa6b6b4b8b62e0e63334977d8b8b"`
[INFO] running `"docker" "rm" "-f" "d7acf59f032ce846fa9cfcbfbe6532aab595aa6b6b4b8b62e0e63334977d8b8b"`
[INFO] [stdout] d7acf59f032ce846fa9cfcbfbe6532aab595aa6b6b4b8b62e0e63334977d8b8b
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.44.0" "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] 1eecf15f9aaae8f3c67c9e3a9a8c7101a4b0bbf71540a24b62c4c19f71f2c681
[INFO] running `"docker" "start" "-a" "1eecf15f9aaae8f3c67c9e3a9a8c7101a4b0bbf71540a24b62c4c19f71f2c681"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling euler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `"docker" "inspect" "1eecf15f9aaae8f3c67c9e3a9a8c7101a4b0bbf71540a24b62c4c19f71f2c681"`
[INFO] running `"docker" "rm" "-f" "1eecf15f9aaae8f3c67c9e3a9a8c7101a4b0bbf71540a24b62c4c19f71f2c681"`
[INFO] [stdout] 1eecf15f9aaae8f3c67c9e3a9a8c7101a4b0bbf71540a24b62c4c19f71f2c681
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.44.0" "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] 7ad3b627e4cca094e1c2e9e1f14bd92f8e4ed0d75efbc2849d979039aaba3dd5
[INFO] running `"docker" "start" "-a" "7ad3b627e4cca094e1c2e9e1f14bd92f8e4ed0d75efbc2849d979039aaba3dd5"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/euler-e947279688b2c9d7
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test euler::problem0001_validation ... ok
[INFO] [stdout] test euler::problem0007_validation ... ok
[INFO] [stdout] test euler::is_palindrome_0004_validation ... ok
[INFO] [stdout] test euler::problem0006_validation ... ok
[INFO] [stdout] test euler::problem0003_validation ... ok
[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::problem0004_validation ... ok
[INFO] [stdout] test euler::problem0012_validation ... ok
[INFO] [stdout] test euler::problem0010_validation ... ok
[INFO] [stdout] test euler::problem0005_validation ... ok
[INFO] [stdout] test euler::problem0011_2factors_validation ... ok
[INFO] [stdout] test euler::problem0011_3factors_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" "7ad3b627e4cca094e1c2e9e1f14bd92f8e4ed0d75efbc2849d979039aaba3dd5"`
[INFO] running `"docker" "rm" "-f" "7ad3b627e4cca094e1c2e9e1f14bd92f8e4ed0d75efbc2849d979039aaba3dd5"`
[INFO] [stdout] 7ad3b627e4cca094e1c2e9e1f14bd92f8e4ed0d75efbc2849d979039aaba3dd5