[INFO] updating cached repository https://github.com/euclidr/leetcode [INFO] running `"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"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 7922cbd8f558e6873fd1a91ba3f7019bfd566495 [INFO] testing euclidr/leetcode against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feuclidr%2Fleetcode" "/workspace/builds/worker-10/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/euclidr/leetcode 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/euclidr/leetcode [INFO] finished tweaking git repo https://github.com/euclidr/leetcode [INFO] tweaked toml for git repo https://github.com/euclidr/leetcode written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/euclidr/leetcode 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] [stderr] warning: unused manifest key: examples [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 79a6d363022fe92fc2496df341b3dd4d7c681a4e63b7d2c32610d703aa7a4b55 [INFO] running `"docker" "start" "-a" "79a6d363022fe92fc2496df341b3dd4d7c681a4e63b7d2c32610d703aa7a4b55"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: unused manifest key: examples [INFO] [stderr] Compiling libc v0.2.59 [INFO] [stderr] Compiling getrandom v0.1.6 [INFO] [stderr] Compiling rand_core v0.5.0 [INFO] [stderr] Compiling rand_chacha v0.2.0 [INFO] [stderr] Compiling rand v0.7.0 [INFO] [stderr] Compiling leetcode v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.56s [INFO] running `"docker" "inspect" "79a6d363022fe92fc2496df341b3dd4d7c681a4e63b7d2c32610d703aa7a4b55"` [INFO] running `"docker" "rm" "-f" "79a6d363022fe92fc2496df341b3dd4d7c681a4e63b7d2c32610d703aa7a4b55"` [INFO] [stdout] 79a6d363022fe92fc2496df341b3dd4d7c681a4e63b7d2c32610d703aa7a4b55 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] bc133a4159d3141688276891f4b36f296d5b3a690412bb08e6b680dee40eeae7 [INFO] running `"docker" "start" "-a" "bc133a4159d3141688276891f4b36f296d5b3a690412bb08e6b680dee40eeae7"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: unused manifest key: examples [INFO] [stderr] Compiling leetcode v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: struct is never constructed: `Solution` [INFO] [stderr] --> examples/p437.rs:23:8 [INFO] [stderr] | [INFO] [stderr] 23 | struct Solution; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `path_sum` [INFO] [stderr] --> examples/p437.rs:26:12 [INFO] [stderr] | [INFO] [stderr] 26 | pub fn path_sum(root: Option>>, sum: i32) -> i32 { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> examples/p710.rs:59:9 [INFO] [stderr] | [INFO] [stderr] 53 | / match self.blacklist.binary_search(&rs) { [INFO] [stderr] 54 | | Ok(_) => continue, [INFO] [stderr] 55 | | Err(_) => return rs, [INFO] [stderr] 56 | | } [INFO] [stderr] | |_____________- any code following this `match` expression is unreachable, as all arms diverge [INFO] [stderr] ... [INFO] [stderr] 59 | unreachable!() [INFO] [stderr] | ^^^^^^^^^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: variable `N` should have a snake case name [INFO] [stderr] --> examples/p710.rs:17:12 [INFO] [stderr] | [INFO] [stderr] 17 | fn new(N: i32, mut blacklist: Vec) -> Self { [INFO] [stderr] | ^ help: convert the identifier to snake case: `n` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 12.68s [INFO] running `"docker" "inspect" "bc133a4159d3141688276891f4b36f296d5b3a690412bb08e6b680dee40eeae7"` [INFO] running `"docker" "rm" "-f" "bc133a4159d3141688276891f4b36f296d5b3a690412bb08e6b680dee40eeae7"` [INFO] [stdout] bc133a4159d3141688276891f4b36f296d5b3a690412bb08e6b680dee40eeae7 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 607a52c1df84c75e1f9f9e4c4c093f7a458bfc80604ef07e41b9f4053aeac8da [INFO] running `"docker" "start" "-a" "607a52c1df84c75e1f9f9e4c4c093f7a458bfc80604ef07e41b9f4053aeac8da"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: unused manifest key: examples [INFO] [stderr] warning: struct is never constructed: `Solution` [INFO] [stderr] --> examples/p437.rs:23:8 [INFO] [stderr] | [INFO] [stderr] 23 | struct Solution; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `path_sum` [INFO] [stderr] --> examples/p437.rs:26:12 [INFO] [stderr] | [INFO] [stderr] 26 | pub fn path_sum(root: Option>>, sum: i32) -> i32 { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> examples/p710.rs:59:9 [INFO] [stderr] | [INFO] [stderr] 53 | / match self.blacklist.binary_search(&rs) { [INFO] [stderr] 54 | | Ok(_) => continue, [INFO] [stderr] 55 | | Err(_) => return rs, [INFO] [stderr] 56 | | } [INFO] [stderr] | |_____________- any code following this `match` expression is unreachable, as all arms diverge [INFO] [stderr] ... [INFO] [stderr] 59 | unreachable!() [INFO] [stderr] | ^^^^^^^^^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: variable `N` should have a snake case name [INFO] [stderr] --> examples/p710.rs:17:12 [INFO] [stderr] | [INFO] [stderr] 17 | fn new(N: i32, mut blacklist: Vec) -> Self { [INFO] [stderr] | ^ help: convert the identifier to snake case: `n` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.20s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/leetcode-f0bb58f2db127269 [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" "607a52c1df84c75e1f9f9e4c4c093f7a458bfc80604ef07e41b9f4053aeac8da"` [INFO] running `"docker" "rm" "-f" "607a52c1df84c75e1f9f9e4c4c093f7a458bfc80604ef07e41b9f4053aeac8da"` [INFO] [stdout] 607a52c1df84c75e1f9f9e4c4c093f7a458bfc80604ef07e41b9f4053aeac8da