[INFO] cloning repository https://github.com/rsarwas/learn-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rsarwas/learn-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frsarwas%2Flearn-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frsarwas%2Flearn-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 85afcfefe78946c791b24b5566a2ef3fdd8eb970
[INFO] testing rsarwas/learn-rust against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frsarwas%2Flearn-rust" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rsarwas/learn-rust on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rsarwas/learn-rust
[INFO] finished tweaking git repo https://github.com/rsarwas/learn-rust
[INFO] tweaked toml for git repo https://github.com/rsarwas/learn-rust written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/rsarwas/learn-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a123f64a1087520fb94dd29ad420f474f73c2b1ef2ebffad7e2e870bd5551655
[INFO] running `Command { std: "docker" "start" "-a" "a123f64a1087520fb94dd29ad420f474f73c2b1ef2ebffad7e2e870bd5551655", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a123f64a1087520fb94dd29ad420f474f73c2b1ef2ebffad7e2e870bd5551655", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a123f64a1087520fb94dd29ad420f474f73c2b1ef2ebffad7e2e870bd5551655", kill_on_drop: false }`
[INFO] [stdout] a123f64a1087520fb94dd29ad420f474f73c2b1ef2ebffad7e2e870bd5551655
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e0103f86325b19becc4113acbefd074919d9f222cb60c322e9d4f7c1a2948c3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8e0103f86325b19becc4113acbefd074919d9f222cb60c322e9d4f7c1a2948c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling hamming v0.1.3
[INFO] [stderr]    Compiling primal-estimate v0.3.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling primal-bit v0.3.0
[INFO] [stderr]    Compiling primal-check v0.3.1
[INFO] [stderr]    Compiling primal-sieve v0.3.1
[INFO] [stderr]    Compiling primal v0.3.0
[INFO] [stderr]    Compiling learn-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.90s
[INFO] running `Command { std: "docker" "inspect" "8e0103f86325b19becc4113acbefd074919d9f222cb60c322e9d4f7c1a2948c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e0103f86325b19becc4113acbefd074919d9f222cb60c322e9d4f7c1a2948c3", kill_on_drop: false }`
[INFO] [stdout] 8e0103f86325b19becc4113acbefd074919d9f222cb60c322e9d4f7c1a2948c3
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5bed5d2f6ad686d69c1ad0cb4482b2b8f14d75eb5cf5e49eb39c8a6f3d6f3033
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5bed5d2f6ad686d69c1ad0cb4482b2b8f14d75eb5cf5e49eb39c8a6f3d6f3033", kill_on_drop: false }`
[INFO] [stderr]    Compiling learn-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `Command { std: "docker" "inspect" "5bed5d2f6ad686d69c1ad0cb4482b2b8f14d75eb5cf5e49eb39c8a6f3d6f3033", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bed5d2f6ad686d69c1ad0cb4482b2b8f14d75eb5cf5e49eb39c8a6f3d6f3033", kill_on_drop: false }`
[INFO] [stdout] 5bed5d2f6ad686d69c1ad0cb4482b2b8f14d75eb5cf5e49eb39c8a6f3d6f3033
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1da8cbdd75a11a35904d94814579d808080acc1e7a4e46610a346336bfa7cf58
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1da8cbdd75a11a35904d94814579d808080acc1e7a4e46610a346336bfa7cf58", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/learn_rust-7db5317728999052)
[INFO] [stdout] 
[INFO] [stdout] running 46 tests
[INFO] [stdout] test euler::math::tests::polytopic_number_test ... ok
[INFO] [stdout] test euler::problem001::tests::test_2_iterators ... ok
[INFO] [stdout] test euler::problem001::tests::test_1_iterator ... ok
[INFO] [stdout] test euler::problem001::tests::test_loop ... ok
[INFO] [stdout] test euler::problem001::tests::test_3_iterators ... ok
[INFO] [stdout] test euler::problem002::tests::test_iterator ... ok
[INFO] [stdout] test euler::problem002::tests::test_loop ... ok
[INFO] [stdout] test euler::problem002::tests::test_vector ... ok
[INFO] [stdout] test euler::problem003::tests::gpf_of_11a ... ok
[INFO] [stdout] test euler::problem003::tests::gpf_of_11 ... ok
[INFO] [stdout] test euler::problem003::tests::gpf_of_13195 ... ok
[INFO] [stdout] test euler::problem003::tests::gpf_of_13195a ... ok
[INFO] [stdout] test euler::problem003::tests::gpf_of_27 ... ok
[INFO] [stdout] test euler::problem003::tests::gpf_of_6 ... ok
[INFO] [stdout] test euler::problem003::tests::gpf_of_27a ... ok
[INFO] [stdout] test euler::problem004::tests::test_is_divisible_by_2digits ... ok
[INFO] [stdout] test euler::problem004::tests::test_is_divisible_by_3digits ... ok
[INFO] [stdout] test euler::problem004::tests::test_is_not_divisible_by_2digits ... ok
[INFO] [stdout] test euler::problem004::tests::test_is_not_divisible_by_3digits ... ok
[INFO] [stdout] test euler::problem004::tests::test_number_of_digits_1 ... ok
[INFO] [stdout] test euler::problem004::tests::test_number_of_digits_6 ... ok
[INFO] [stdout] test euler::problem004::tests::test_palindrome ... ok
[INFO] [stdout] test euler::problem004::tests::test_reverse_number ... ok
[INFO] [stdout] test euler::problem004::tests::test_sample ... ok
[INFO] [stdout] test euler::problem005::tests::test_sample ... ok
[INFO] [stdout] test euler::problem005::tests::test_sample_opt2 ... ok
[INFO] [stdout] test euler::problem005::tests::test_sample_opt3 ... ok
[INFO] [stdout] test euler::problem006::tests::test_sample ... ok
[INFO] [stdout] test euler::problem107::tests::test_min_weight_sample ... ok
[INFO] [stdout] test euler::problem107::tests::test_start_weight_sample ... ok
[INFO] [stdout] test euler::problem108::tests::test_sample ... ok
[INFO] [stdout] test euler::problem113::tests::non_bouncy_test_10 ... ok
[INFO] [stdout] test euler::problem113::tests::non_bouncy_test_2 ... ok
[INFO] [stdout] test euler::problem113::tests::non_bouncy_test_6 ... ok
[INFO] [stdout] test euler::problem119::tests::option1_test2 ... ok
[INFO] [stdout] test euler::problem119::tests::sum_of_digits_test1 ... ok
[INFO] [stdout] test euler::problem119::tests::sum_of_digits_test2 ... ok
[INFO] [stdout] test euler::problem003::tests::gpf_of_6a ... ok
[INFO] [stdout] test euler::problem123::tests::prime_square_remainders_test1 ... ok
[INFO] [stdout] test euler::problem139::tests::sum_of_digits_test1 ... ok
[INFO] [stdout] test euler::problem119::tests::sum_of_digits_test3 ... ok
[INFO] [stdout] test euler::problem179::tests::divisor_count_test1 ... ok
[INFO] [stdout] test euler::problem345::tests::matrix_sum_test ... ok
[INFO] [stdout] test euler::problem119::tests::option1_test1 ... ok
[INFO] [stdout] test euler::problem357::tests::non_bouncy_test_2 ... ok
[INFO] [stdout] test euler::problem203::tests::square_free_pascal_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 46 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1da8cbdd75a11a35904d94814579d808080acc1e7a4e46610a346336bfa7cf58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1da8cbdd75a11a35904d94814579d808080acc1e7a4e46610a346336bfa7cf58", kill_on_drop: false }`
[INFO] [stdout] 1da8cbdd75a11a35904d94814579d808080acc1e7a4e46610a346336bfa7cf58