[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] testing euclidr/leetcode against beta-2020-07-24 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feuclidr%2Fleetcode" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/euclidr/leetcode on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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-6/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" "+beta-2020-07-24" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0e95caa55d7e29ac13ab103607320123e00ad2943c558106b34a25ce8436bf7a [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" "0e95caa55d7e29ac13ab103607320123e00ad2943c558106b34a25ce8436bf7a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0e95caa55d7e29ac13ab103607320123e00ad2943c558106b34a25ce8436bf7a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e95caa55d7e29ac13ab103607320123e00ad2943c558106b34a25ce8436bf7a", kill_on_drop: false }` [INFO] [stdout] 0e95caa55d7e29ac13ab103607320123e00ad2943c558106b34a25ce8436bf7a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cf60c3d00bf4539b15467600c1c70ee5b3135c5d552f869d2ab29fcec4d94955 [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" "cf60c3d00bf4539b15467600c1c70ee5b3135c5d552f869d2ab29fcec4d94955", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: examples [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 5.02s [INFO] running `Command { std: "docker" "inspect" "cf60c3d00bf4539b15467600c1c70ee5b3135c5d552f869d2ab29fcec4d94955", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cf60c3d00bf4539b15467600c1c70ee5b3135c5d552f869d2ab29fcec4d94955", kill_on_drop: false }` [INFO] [stdout] cf60c3d00bf4539b15467600c1c70ee5b3135c5d552f869d2ab29fcec4d94955 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 52780571fc1fd5c45efadb0b79239d378e77b45ec012396723158c7108c6fd4a [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" "52780571fc1fd5c45efadb0b79239d378e77b45ec012396723158c7108c6fd4a", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: examples [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling leetcode v0.1.0 (/opt/rustwide/workdir) [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] [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] [stderr] Finished test [unoptimized + debuginfo] target(s) in 13.07s [INFO] running `Command { std: "docker" "inspect" "52780571fc1fd5c45efadb0b79239d378e77b45ec012396723158c7108c6fd4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "52780571fc1fd5c45efadb0b79239d378e77b45ec012396723158c7108c6fd4a", kill_on_drop: false }` [INFO] [stdout] 52780571fc1fd5c45efadb0b79239d378e77b45ec012396723158c7108c6fd4a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] f2872cf5866007b2f3dbdeeed528daef5075c80ed3013ddcf3c95906600766b2 [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" "f2872cf5866007b2f3dbdeeed528daef5075c80ed3013ddcf3c95906600766b2", kill_on_drop: false }` [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 0.07s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/leetcode-629148c6fc95c34b [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" "f2872cf5866007b2f3dbdeeed528daef5075c80ed3013ddcf3c95906600766b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f2872cf5866007b2f3dbdeeed528daef5075c80ed3013ddcf3c95906600766b2", kill_on_drop: false }` [INFO] [stdout] f2872cf5866007b2f3dbdeeed528daef5075c80ed3013ddcf3c95906600766b2