[INFO] updating cached repository https://github.com/euclidr/leetcode [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] fd9e1e88018576c11c72e8c294aab6808f0d78f1 [INFO] checking euclidr/leetcode against master#c724b67e1b474262917a5154d74e7072267593fe for pr-74315 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feuclidr%2Fleetcode" "/workspace/builds/worker-10/source", kill_on_drop: false }` [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 c724b67e1b474262917a5154d74e7072267593fe [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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 `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: examples [INFO] running `Command { std: "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_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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a904ffd4069560d131279cbece10cb9d26184172440cb5666a1283dfe3c43cdc [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" "a904ffd4069560d131279cbece10cb9d26184172440cb5666a1283dfe3c43cdc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a904ffd4069560d131279cbece10cb9d26184172440cb5666a1283dfe3c43cdc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a904ffd4069560d131279cbece10cb9d26184172440cb5666a1283dfe3c43cdc", kill_on_drop: false }` [INFO] [stdout] a904ffd4069560d131279cbece10cb9d26184172440cb5666a1283dfe3c43cdc [INFO] running `Command { std: "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=forbid" "-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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1186f5c0ac36654e42ba036cfdf912f626ca34c9e700dc5f5a398139b3701a89 [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" "1186f5c0ac36654e42ba036cfdf912f626ca34c9e700dc5f5a398139b3701a89", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: examples [INFO] [stderr] Compiling libc v0.2.59 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Compiling rand_chacha v0.2.0 [INFO] [stderr] Checking c2-chacha v0.2.2 [INFO] [stderr] Checking getrandom v0.1.6 [INFO] [stderr] Checking rand_core v0.5.0 [INFO] [stderr] Checking rand v0.7.0 [INFO] [stderr] Checking leetcode v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> examples/p437.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 23 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `path_sum` [INFO] [stdout] --> examples/p437.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn path_sum(root: Option>>, sum: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> examples/p710.rs:59:9 [INFO] [stdout] | [INFO] [stdout] 53 | / match self.blacklist.binary_search(&rs) { [INFO] [stdout] 54 | | Ok(_) => continue, [INFO] [stdout] 55 | | Err(_) => return rs, [INFO] [stdout] 56 | | } [INFO] [stdout] | |_____________- any code following this `match` expression is unreachable, as all arms diverge [INFO] [stdout] ... [INFO] [stdout] 59 | unreachable!() [INFO] [stdout] | ^^^^^^^^^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `N` should have a snake case name [INFO] [stdout] --> examples/p710.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 17 | fn new(N: i32, mut blacklist: Vec) -> Self { [INFO] [stdout] | ^ help: convert the identifier to snake case: `n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.28s [INFO] running `Command { std: "docker" "inspect" "1186f5c0ac36654e42ba036cfdf912f626ca34c9e700dc5f5a398139b3701a89", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1186f5c0ac36654e42ba036cfdf912f626ca34c9e700dc5f5a398139b3701a89", kill_on_drop: false }` [INFO] [stdout] 1186f5c0ac36654e42ba036cfdf912f626ca34c9e700dc5f5a398139b3701a89