[INFO] cloning repository https://github.com/urielvan/leetcode-rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/urielvan/leetcode-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Furielvan%2Fleetcode-rust"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Furielvan%2Fleetcode-rust'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 57da224e373d48054cd437e2b58576ef9195251b
[INFO] testing urielvan/leetcode-rust against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Furielvan%2Fleetcode-rust" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/urielvan/leetcode-rust 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/urielvan/leetcode-rust
[INFO] finished tweaking git repo https://github.com/urielvan/leetcode-rust
[INFO] tweaked toml for git repo https://github.com/urielvan/leetcode-rust written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/urielvan/leetcode-rust 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] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 50c8a95ef10e6342a293d15f5544cfce2c0b3503b70c63e9a534e4871b7a4b12
[INFO] running `"docker" "start" "-a" "50c8a95ef10e6342a293d15f5544cfce2c0b3503b70c63e9a534e4871b7a4b12"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: value assigned to `cur_num` is never read
[INFO] [stderr]  --> src/p0004_median_of_two_sorted_arrays.rs:9:23
[INFO] [stderr]   |
[INFO] [stderr] 9 |         let (mut ans, mut cur_num) = (0.0, 0);
[INFO] [stderr]   |                       ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `"docker" "inspect" "50c8a95ef10e6342a293d15f5544cfce2c0b3503b70c63e9a534e4871b7a4b12"`
[INFO] running `"docker" "rm" "-f" "50c8a95ef10e6342a293d15f5544cfce2c0b3503b70c63e9a534e4871b7a4b12"`
[INFO] [stdout] 50c8a95ef10e6342a293d15f5544cfce2c0b3503b70c63e9a534e4871b7a4b12
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 3137352a507e7f2403da47003403889b1216c5e63c1c4d6eedb020e2454388d6
[INFO] running `"docker" "start" "-a" "3137352a507e7f2403da47003403889b1216c5e63c1c4d6eedb020e2454388d6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: value assigned to `cur_num` is never read
[INFO] [stderr]  --> src/p0004_median_of_two_sorted_arrays.rs:9:23
[INFO] [stderr]   |
[INFO] [stderr] 9 |         let (mut ans, mut cur_num) = (0.0, 0);
[INFO] [stderr]   |                       ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `cur_num` is never read
[INFO] [stderr]  --> src/p0004_median_of_two_sorted_arrays.rs:9:23
[INFO] [stderr]   |
[INFO] [stderr] 9 |         let (mut ans, mut cur_num) = (0.0, 0);
[INFO] [stderr]   |                       ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "3137352a507e7f2403da47003403889b1216c5e63c1c4d6eedb020e2454388d6"`
[INFO] running `"docker" "rm" "-f" "3137352a507e7f2403da47003403889b1216c5e63c1c4d6eedb020e2454388d6"`
[INFO] [stdout] 3137352a507e7f2403da47003403889b1216c5e63c1c4d6eedb020e2454388d6
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] aac7b4514f8fff4e599810854587f6f682f3dc59343151ed34ab2a103dd1377a
[INFO] running `"docker" "start" "-a" "aac7b4514f8fff4e599810854587f6f682f3dc59343151ed34ab2a103dd1377a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: value assigned to `cur_num` is never read
[INFO] [stderr]  --> src/p0004_median_of_two_sorted_arrays.rs:9:23
[INFO] [stderr]   |
[INFO] [stderr] 9 |         let (mut ans, mut cur_num) = (0.0, 0);
[INFO] [stderr]   |                       ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `cur_num` is never read
[INFO] [stderr]  --> src/p0004_median_of_two_sorted_arrays.rs:9:23
[INFO] [stderr]   |
[INFO] [stderr] 9 |         let (mut ans, mut cur_num) = (0.0, 0);
[INFO] [stderr]   |                       ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[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-9328784087163906
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test p0004_median_of_two_sorted_arrays::test::test ... ok
[INFO] [stdout] test p0003_longest_substring_without_repeating_characters::test::test_length_of_longest_substring ... ok
[INFO] [stdout] test p0001_two_sum::test::test_two_sum ... ok
[INFO] [stdout] test p0002_add_two_numbers::test::test_add_two_numbers ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests leetcode
[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 `"docker" "inspect" "aac7b4514f8fff4e599810854587f6f682f3dc59343151ed34ab2a103dd1377a"`
[INFO] running `"docker" "rm" "-f" "aac7b4514f8fff4e599810854587f6f682f3dc59343151ed34ab2a103dd1377a"`
[INFO] [stdout] aac7b4514f8fff4e599810854587f6f682f3dc59343151ed34ab2a103dd1377a