[INFO] updating cached repository https://github.com/ryands17/algorithms-rust
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 37b22ae913bd45ca6f7e87e8fd0fb5f21cea626f
[INFO] testing ryands17/algorithms-rust against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryands17%2Falgorithms-rust" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ryands17/algorithms-rust on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ryands17/algorithms-rust
[INFO] finished tweaking git repo https://github.com/ryands17/algorithms-rust
[INFO] tweaked toml for git repo https://github.com/ryands17/algorithms-rust written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/ryands17/algorithms-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c28a6f02286cc7c8f6ed40b8ea9321dbb6e80e9253b825d5ca62309a038dc14
[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" "0c28a6f02286cc7c8f6ed40b8ea9321dbb6e80e9253b825d5ca62309a038dc14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c28a6f02286cc7c8f6ed40b8ea9321dbb6e80e9253b825d5ca62309a038dc14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c28a6f02286cc7c8f6ed40b8ea9321dbb6e80e9253b825d5ca62309a038dc14", kill_on_drop: false }`
[INFO] [stdout] 0c28a6f02286cc7c8f6ed40b8ea9321dbb6e80e9253b825d5ca62309a038dc14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8fa980447af69afb6a0b20ad0372335a564f88f5eb174e4f47590bf1b2a65c61
[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" "8fa980447af69afb6a0b20ad0372335a564f88f5eb174e4f47590bf1b2a65c61", kill_on_drop: false }`
[INFO] [stderr]    Compiling algorithms-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `Command { std: "docker" "inspect" "8fa980447af69afb6a0b20ad0372335a564f88f5eb174e4f47590bf1b2a65c61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fa980447af69afb6a0b20ad0372335a564f88f5eb174e4f47590bf1b2a65c61", kill_on_drop: false }`
[INFO] [stdout] 8fa980447af69afb6a0b20ad0372335a564f88f5eb174e4f47590bf1b2a65c61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9fd1d40f75739246e2fa1658a73f54a7d8163d301b74d33bde0d9156f0753550
[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" "9fd1d40f75739246e2fa1658a73f54a7d8163d301b74d33bde0d9156f0753550", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling algorithms-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.54s
[INFO] running `Command { std: "docker" "inspect" "9fd1d40f75739246e2fa1658a73f54a7d8163d301b74d33bde0d9156f0753550", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fd1d40f75739246e2fa1658a73f54a7d8163d301b74d33bde0d9156f0753550", kill_on_drop: false }`
[INFO] [stdout] 9fd1d40f75739246e2fa1658a73f54a7d8163d301b74d33bde0d9156f0753550
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] af199c9dce72f2ecb3dafea03097fa38371ac24be1054fdc153565a2d5a9ab54
[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" "af199c9dce72f2ecb3dafea03097fa38371ac24be1054fdc153565a2d5a9ab54", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 23 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/algorithms_rust-68565ee5acfab40e
[INFO] [stdout] test algorithms::anagram::tests::is_not_an_anagram ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/algorithms_rust-eb0a44f54d8ebc0b
[INFO] [stdout] test algorithms::anagram::tests::is_an_anagram ... ok
[INFO] [stdout] test algorithms::capitalize::tests::capitalize_words ... ok
[INFO] [stdout] test algorithms::matrix::tests::works_on_square_matrices ... ok
[INFO] [stdout] test algorithms::collatz::tests::gets_correct_steps_for_an_odd_number ... ok
[INFO] [stdout] test algorithms::max_chars::tests::max_char_long_str ... ok
[INFO] [stdout] test algorithms::max_chars::tests::max_single_char ... ok
[INFO] [stdout] test algorithms::palindrome::tests::should_be_palindrome ... ok
[INFO] [stdout] test algorithms::reverse_string::tests::should_reverse_string ... ok
[INFO] [stdout] test algorithms::chunks::tests::chunk_size_greater_than_vec ... ok
[INFO] [stdout] test algorithms::collatz::tests::gets_correct_steps_for_an_even_number ... ok
[INFO] [stdout] test algorithms::chunks::tests::chunk_basic ... ok
[INFO] [stdout] test algorithms::palindrome::tests::should_not_be_palindrome ... ok
[INFO] [stdout] test algorithms::matrix::tests::works_on_rectangular_matrices ... ok
[INFO] [stdout] test algorithms::vowels::tests::count_uppercase ... ok
[INFO] [stdout] test algorithms::vowels::tests::no_match ... ok
[INFO] [stdout] test algorithms::vowels::tests::counts_vowels ... ok
[INFO] [stdout] test algorithms::stack::tests::pop_from_stack ... ok
[INFO] [stdout] test algorithms::stack::tests::push_to_stack ... ok
[INFO] [stdout] test algorithms::sum_of_two::tests::sum_of_two_doesnt_match ... ok
[INFO] [stdout] test algorithms::reverse_uint::tests::reverse_large_integer ... ok
[INFO] [stdout] test algorithms::reverse_uint::tests::reverse_single_integer ... ok
[INFO] [stdout] test algorithms::sum_of_two::tests::sum_of_two_matches ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests algorithms-rust
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "af199c9dce72f2ecb3dafea03097fa38371ac24be1054fdc153565a2d5a9ab54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af199c9dce72f2ecb3dafea03097fa38371ac24be1054fdc153565a2d5a9ab54", kill_on_drop: false }`
[INFO] [stdout] af199c9dce72f2ecb3dafea03097fa38371ac24be1054fdc153565a2d5a9ab54