[INFO] cloning repository https://github.com/Axighi/leetcode-solutions
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Axighi/leetcode-solutions" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAxighi%2Fleetcode-solutions"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAxighi%2Fleetcode-solutions'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 237b73c92464208e9b103c5cf88c0dd573b410f5
[INFO] testing Axighi/leetcode-solutions against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAxighi%2Fleetcode-solutions" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Axighi/leetcode-solutions 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/Axighi/leetcode-solutions
[INFO] finished tweaking git repo https://github.com/Axighi/leetcode-solutions
[INFO] tweaked toml for git repo https://github.com/Axighi/leetcode-solutions written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/Axighi/leetcode-solutions 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] running `"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" "/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] 62a32c70879cfb1dde8a765835edd6680e165847c589666dac36614f274fd850
[INFO] running `"docker" "start" "-a" "62a32c70879cfb1dde8a765835edd6680e165847c589666dac36614f274fd850"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling leetcode-solutions v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]   --> src/solutions/delete_duplicates.rs:34:7
[INFO] [stderr]    |
[INFO] [stderr] 34 |       std::mem::replace(&mut b1.next, b2_next);
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `"docker" "inspect" "62a32c70879cfb1dde8a765835edd6680e165847c589666dac36614f274fd850"`
[INFO] running `"docker" "rm" "-f" "62a32c70879cfb1dde8a765835edd6680e165847c589666dac36614f274fd850"`
[INFO] [stdout] 62a32c70879cfb1dde8a765835edd6680e165847c589666dac36614f274fd850
[INFO] running `"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" "/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] 5fc664b1b4b75ee6004668663d45bd5afa4c0182e1424b81bf49cf729d24bc61
[INFO] running `"docker" "start" "-a" "5fc664b1b4b75ee6004668663d45bd5afa4c0182e1424b81bf49cf729d24bc61"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling leetcode-solutions v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]   --> src/solutions/delete_duplicates.rs:34:7
[INFO] [stderr]    |
[INFO] [stderr] 34 |       std::mem::replace(&mut b1.next, b2_next);
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.72s
[INFO] running `"docker" "inspect" "5fc664b1b4b75ee6004668663d45bd5afa4c0182e1424b81bf49cf729d24bc61"`
[INFO] running `"docker" "rm" "-f" "5fc664b1b4b75ee6004668663d45bd5afa4c0182e1424b81bf49cf729d24bc61"`
[INFO] [stdout] 5fc664b1b4b75ee6004668663d45bd5afa4c0182e1424b81bf49cf729d24bc61
[INFO] running `"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" "/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] 9dbc1ecea2be6334ca38e5cd66ea1eee8335e73698f9ae603f434fcd2c503107
[INFO] running `"docker" "start" "-a" "9dbc1ecea2be6334ca38e5cd66ea1eee8335e73698f9ae603f434fcd2c503107"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]   --> src/solutions/delete_duplicates.rs:34:7
[INFO] [stderr]    |
[INFO] [stderr] 34 |       std::mem::replace(&mut b1.next, b2_next);
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/leetcode_solutions-d37c7d18cb96143e
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test solutions::climb_stairs::hooyah ... ok
[INFO] [stdout] test solutions::contains_duplicate::hooyah ... ok
[INFO] [stdout] test solutions::is_power_of_two::hooyah ... ok
[INFO] [stdout] test solutions::max_profit::hooyah ... ok
[INFO] [stdout] test solutions::length_of_last_word::hooyah ... ok
[INFO] [stdout] test solutions::max_sub_array::hooyah ... ok
[INFO] [stdout] test solutions::roman_to_int::hooyah ... ok
[INFO] [stdout] test solutions::two_sum::hooyah ... ok
[INFO] [stdout] test solutions::sqrt_x::hooyah ... ok
[INFO] [stdout] test solutions::single_number::hooyah ... ok
[INFO] [stdout] test solutions::plus_one::hooyah ... ok
[INFO] [stdout] test solutions::merge::hooyah ... ok
[INFO] [stdout] test solutions::add_binary::hooyah ... ok
[INFO] [stdout] test solutions::convert_to_title::hooyah ... ok
[INFO] [stdout] test solutions::get_row::hooyah ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "9dbc1ecea2be6334ca38e5cd66ea1eee8335e73698f9ae603f434fcd2c503107"`
[INFO] running `"docker" "rm" "-f" "9dbc1ecea2be6334ca38e5cd66ea1eee8335e73698f9ae603f434fcd2c503107"`
[INFO] [stdout] 9dbc1ecea2be6334ca38e5cd66ea1eee8335e73698f9ae603f434fcd2c503107