[INFO] cloning repository https://github.com/urielvan/leetcode-rust
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Furielvan%2Fleetcode-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 57da224e373d48054cd437e2b58576ef9195251b
[INFO] testing urielvan/leetcode-rust against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Furielvan%2Fleetcode-rust" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[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 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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_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" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e5e85ed0d84ab011fa4c2d73095e9dde0059af440d0bc661610ca09e10453a5
[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" "1e5e85ed0d84ab011fa4c2d73095e9dde0059af440d0bc661610ca09e10453a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e5e85ed0d84ab011fa4c2d73095e9dde0059af440d0bc661610ca09e10453a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e5e85ed0d84ab011fa4c2d73095e9dde0059af440d0bc661610ca09e10453a5", kill_on_drop: false }`
[INFO] [stdout] 1e5e85ed0d84ab011fa4c2d73095e9dde0059af440d0bc661610ca09e10453a5
[INFO] running `Command { std: "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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", 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] 6530e7c6e253627bf9695766d7578db90cf36ef9f69288c78d1aee1b91bdc25d
[INFO] running `Command { std: "docker" "start" "-a" "6530e7c6e253627bf9695766d7578db90cf36ef9f69288c78d1aee1b91bdc25d", kill_on_drop: false }`
[INFO] [stderr]    Compiling leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `cur_num` is never read
[INFO] [stdout]  --> src/p0004_median_of_two_sorted_arrays.rs:9:23
[INFO] [stdout]   |
[INFO] [stdout] 9 |         let (mut ans, mut cur_num) = (0.0, 0);
[INFO] [stdout]   |                       ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "6530e7c6e253627bf9695766d7578db90cf36ef9f69288c78d1aee1b91bdc25d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6530e7c6e253627bf9695766d7578db90cf36ef9f69288c78d1aee1b91bdc25d", kill_on_drop: false }`
[INFO] [stdout] 6530e7c6e253627bf9695766d7578db90cf36ef9f69288c78d1aee1b91bdc25d
[INFO] running `Command { std: "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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1eac8a4d2414be480efe5d31ef7c9ed9f06ce1518478beefb32f1651661ff01f
[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" "1eac8a4d2414be480efe5d31ef7c9ed9f06ce1518478beefb32f1651661ff01f", kill_on_drop: false }`
[INFO] [stderr]    Compiling leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `cur_num` is never read
[INFO] [stdout]  --> src/p0004_median_of_two_sorted_arrays.rs:9:23
[INFO] [stdout]   |
[INFO] [stdout] 9 |         let (mut ans, mut cur_num) = (0.0, 0);
[INFO] [stdout]   |                       ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cur_num` is never read
[INFO] [stdout]  --> src/p0004_median_of_two_sorted_arrays.rs:9:23
[INFO] [stdout]   |
[INFO] [stdout] 9 |         let (mut ans, mut cur_num) = (0.0, 0);
[INFO] [stdout]   |                       ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "1eac8a4d2414be480efe5d31ef7c9ed9f06ce1518478beefb32f1651661ff01f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1eac8a4d2414be480efe5d31ef7c9ed9f06ce1518478beefb32f1651661ff01f", kill_on_drop: false }`
[INFO] [stdout] 1eac8a4d2414be480efe5d31ef7c9ed9f06ce1518478beefb32f1651661ff01f
[INFO] running `Command { std: "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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 910af4b629f54b91f2272770aa1d8905d2b73c2b2b5aa624f99859180469ee8c
[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" "910af4b629f54b91f2272770aa1d8905d2b73c2b2b5aa624f99859180469ee8c", kill_on_drop: false }`
[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 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/leetcode-6f8e37bdd90fbb79
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test p0002_add_two_numbers::test::test_add_two_numbers ... ok
[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] 
[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 `Command { std: "docker" "inspect" "910af4b629f54b91f2272770aa1d8905d2b73c2b2b5aa624f99859180469ee8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "910af4b629f54b91f2272770aa1d8905d2b73c2b2b5aa624f99859180469ee8c", kill_on_drop: false }`
[INFO] [stdout] 910af4b629f54b91f2272770aa1d8905d2b73c2b2b5aa624f99859180469ee8c