[INFO] updating cached repository https://github.com/rsarwas/learn-rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/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] 3932a3925fc670b9738b94bf292a69d32c2a71fd
[INFO] testing rsarwas/learn-rust against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Frsarwas%2Flearn-rust" "work/builds/worker-1/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rsarwas/learn-rust on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[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 work/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/rsarwas/learn-rust already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 55d3a7e904450b23dd23a44bfcf24d9a4e513254ba6a3fceb416e530336d630d
[INFO] running `"docker" "start" "-a" "55d3a7e904450b23dd23a44bfcf24d9a4e513254ba6a3fceb416e530336d630d"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling hamming v0.1.3
[INFO] [stderr]    Compiling primal-estimate v0.2.1
[INFO] [stderr]    Compiling primal-check v0.2.3
[INFO] [stderr]    Compiling primal-bit v0.2.4
[INFO] [stderr]    Compiling primal-sieve v0.2.9
[INFO] [stderr]    Compiling primal v0.2.3
[INFO] [stderr]    Compiling learn-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.45s
[INFO] running `"docker" "inspect" "55d3a7e904450b23dd23a44bfcf24d9a4e513254ba6a3fceb416e530336d630d"`
[INFO] running `"docker" "rm" "-f" "55d3a7e904450b23dd23a44bfcf24d9a4e513254ba6a3fceb416e530336d630d"`
[INFO] [stdout] 55d3a7e904450b23dd23a44bfcf24d9a4e513254ba6a3fceb416e530336d630d
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 092cc2d43575829eff8590cc5e2bbd9617476068217515fed4a30750124991cc
[INFO] running `"docker" "start" "-a" "092cc2d43575829eff8590cc5e2bbd9617476068217515fed4a30750124991cc"`
[INFO] [stderr]    Compiling learn-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.51s
[INFO] running `"docker" "inspect" "092cc2d43575829eff8590cc5e2bbd9617476068217515fed4a30750124991cc"`
[INFO] running `"docker" "rm" "-f" "092cc2d43575829eff8590cc5e2bbd9617476068217515fed4a30750124991cc"`
[INFO] [stdout] 092cc2d43575829eff8590cc5e2bbd9617476068217515fed4a30750124991cc
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 78c1a19551bd453d18b0e398af62e414a48b524515a2fef0e51b9859ce0807da
[INFO] running `"docker" "start" "-a" "78c1a19551bd453d18b0e398af62e414a48b524515a2fef0e51b9859ce0807da"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/learn_rust-70888fbe1e55d991
[INFO] [stdout] 
[INFO] [stdout] running 46 tests
[INFO] [stdout] test euler::math::tests::polytopic_number_test ... ok
[INFO] [stdout] test euler::problem001::tests::test_3_iterators ... 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::problem002::tests::test_loop ... ok
[INFO] [stdout] test euler::problem002::tests::test_iterator ... ok
[INFO] [stdout] test euler::problem002::tests::test_vector ... ok
[INFO] [stdout] test euler::problem003::tests::gpf_of_11 ... ok
[INFO] [stdout] test euler::problem003::tests::gpf_of_11a ... ok
[INFO] [stdout] test euler::problem003::tests::gpf_of_27 ... ok
[INFO] [stdout] test euler::problem003::tests::gpf_of_13195 ... 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::problem003::tests::gpf_of_6 ... ok
[INFO] [stdout] test euler::problem003::tests::gpf_of_6a ... 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::problem003::tests::gpf_of_13195a ... 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_sample ... ok
[INFO] [stdout] test euler::problem004::tests::test_reverse_number ... 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_start_weight_sample ... ok
[INFO] [stdout] test euler::problem108::tests::test_sample ... ok
[INFO] [stdout] test euler::problem107::tests::test_min_weight_sample ... ok
[INFO] [stdout] test euler::problem113::tests::non_bouncy_test_2 ... ok
[INFO] [stdout] test euler::problem113::tests::non_bouncy_test_10 ... ok
[INFO] [stdout] test euler::problem119::tests::option1_test1 ... ok
[INFO] [stdout] test euler::problem119::tests::option1_test2 ... ok
[INFO] [stdout] test euler::problem119::tests::sum_of_digits_test2 ... ok
[INFO] [stdout] test euler::problem113::tests::non_bouncy_test_6 ... ok
[INFO] [stdout] test euler::problem119::tests::sum_of_digits_test3 ... ok
[INFO] [stdout] test euler::problem119::tests::sum_of_digits_test1 ... ok
[INFO] [stdout] test euler::problem139::tests::sum_of_digits_test1 ... ok
[INFO] [stdout] test euler::problem345::tests::matrix_sum_test ... ok
[INFO] [stdout] test euler::problem179::tests::divisor_count_test1 ... ok
[INFO] [stdout] test euler::problem357::tests::non_bouncy_test_2 ... ok
[INFO] [stdout] test euler::problem123::tests::prime_square_remainders_test1 ... 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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "78c1a19551bd453d18b0e398af62e414a48b524515a2fef0e51b9859ce0807da"`
[INFO] running `"docker" "rm" "-f" "78c1a19551bd453d18b0e398af62e414a48b524515a2fef0e51b9859ce0807da"`
[INFO] [stdout] 78c1a19551bd453d18b0e398af62e414a48b524515a2fef0e51b9859ce0807da