[INFO] cloning repository https://github.com/funn1est/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/funn1est/leetcode-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffunn1est%2Fleetcode-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffunn1est%2Fleetcode-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cc5adc7cf87e3d6797db5f4d65788e2fd29fb0d2 [INFO] checking funn1est/leetcode-rust against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffunn1est%2Fleetcode-rust" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/funn1est/leetcode-rust on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/funn1est/leetcode-rust [INFO] finished tweaking git repo https://github.com/funn1est/leetcode-rust [INFO] tweaked toml for git repo https://github.com/funn1est/leetcode-rust written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/funn1est/leetcode-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", 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] 915eb362ddc373babf6e92fa38940682ae41c96a3793742d8698560d4bf4983e [INFO] running `Command { std: "docker" "start" "-a" "915eb362ddc373babf6e92fa38940682ae41c96a3793742d8698560d4bf4983e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "915eb362ddc373babf6e92fa38940682ae41c96a3793742d8698560d4bf4983e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "915eb362ddc373babf6e92fa38940682ae41c96a3793742d8698560d4bf4983e", kill_on_drop: false }` [INFO] [stdout] 915eb362ddc373babf6e92fa38940682ae41c96a3793742d8698560d4bf4983e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8ad29ba983104acdcfba6de915f258db744bce1df65f3bce2a5e5cf2a44d273a [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" "8ad29ba983104acdcfba6de915f258db744bce1df65f3bce2a5e5cf2a44d273a", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking futures-core v0.3.5 [INFO] [stderr] Compiling pin-project-internal v0.4.23 [INFO] [stderr] Compiling pkg-config v0.3.18 [INFO] [stderr] Checking futures-sink v0.3.5 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Compiling proc-macro-nested v0.1.6 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling proc-macro-hack v0.5.18 [INFO] [stderr] Compiling serde_derive v1.0.115 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking futures-io v0.3.5 [INFO] [stderr] Checking pin-project-lite v0.1.7 [INFO] [stderr] Compiling native-tls v0.2.4 [INFO] [stderr] Checking tinyvec v0.3.3 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling maplit v1.0.2 [INFO] [stderr] Compiling serde_json v1.0.57 [INFO] [stderr] Checking try-lock v0.2.3 [INFO] [stderr] Checking tower-service v0.3.0 [INFO] [stderr] Compiling encoding_rs v0.8.23 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Checking mime v0.3.16 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking ipnet v2.3.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking quick-error v2.0.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking base64 v0.12.3 [INFO] [stderr] Compiling hashbrown v0.8.2 [INFO] [stderr] Compiling indexmap v1.5.1 [INFO] [stderr] Checking tracing-core v0.1.14 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Checking futures-channel v0.3.5 [INFO] [stderr] Compiling pest v2.1.3 [INFO] [stderr] Checking unicode-normalization v0.1.13 [INFO] [stderr] Checking http v0.2.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking log v0.4.11 [INFO] [stderr] Checking net2 v0.2.34 [INFO] [stderr] Checking signal-hook-registry v1.2.1 [INFO] [stderr] Checking socket2 v0.3.12 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking tracing v0.1.19 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Compiling openssl-sys v0.9.58 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Compiling mime_guess v2.0.3 [INFO] [stderr] Compiling syn v1.0.38 [INFO] [stderr] Compiling pest_meta v2.1.3 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking url v2.1.1 [INFO] [stderr] Compiling openssl v0.10.30 [INFO] [stderr] Checking http-body v0.3.1 [INFO] [stderr] Compiling pest_generator v2.1.3 [INFO] [stderr] Compiling futures-macro v0.3.5 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Compiling thiserror-impl v1.0.20 [INFO] [stderr] Checking tokio v0.2.22 [INFO] [stderr] Checking thiserror v1.0.20 [INFO] [stderr] Checking pin-project v0.4.23 [INFO] [stderr] Checking futures-util v0.3.5 [INFO] [stderr] Checking tokio-util v0.3.1 [INFO] [stderr] Checking tokio-tls v0.3.1 [INFO] [stderr] Checking serde v1.0.115 [INFO] [stderr] Checking h2 v0.2.6 [INFO] [stderr] Checking futures-executor v0.3.5 [INFO] [stderr] Checking futures v0.3.5 [INFO] [stderr] Checking serde_urlencoded v0.6.1 [INFO] [stderr] Checking hyper v0.13.7 [INFO] [stderr] Checking handlebars v3.4.0 [INFO] [stderr] Checking hyper-tls v0.4.3 [INFO] [stderr] Checking reqwest v0.10.7 [INFO] [stderr] Checking leetcode-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct is never constructed: `ParkingSystem` [INFO] [stdout] --> src/solutions/n1603_design_parking_system/mod.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | struct ParkingSystem { [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: `new` [INFO] [stdout] --> src/solutions/n1603_design_parking_system/mod.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 9 | fn new(big: i32, medium: i32, small: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `add_car` [INFO] [stdout] --> src/solutions/n1603_design_parking_system/mod.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 15 | fn add_car(&mut self, car_type: i32) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 07s [INFO] running `Command { std: "docker" "inspect" "8ad29ba983104acdcfba6de915f258db744bce1df65f3bce2a5e5cf2a44d273a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8ad29ba983104acdcfba6de915f258db744bce1df65f3bce2a5e5cf2a44d273a", kill_on_drop: false }` [INFO] [stdout] 8ad29ba983104acdcfba6de915f258db744bce1df65f3bce2a5e5cf2a44d273a