[INFO] cloning repository https://github.com/manhtai/rust-plan [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/manhtai/rust-plan" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmanhtai%2Frust-plan", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmanhtai%2Frust-plan'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2dcc42449c2703d244c1b682a2bb774e281511ed [INFO] testing manhtai/rust-plan against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmanhtai%2Frust-plan" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/manhtai/rust-plan on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/manhtai/rust-plan [INFO] finished tweaking git repo https://github.com/manhtai/rust-plan [INFO] tweaked toml for git repo https://github.com/manhtai/rust-plan written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/manhtai/rust-plan already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b0112d7ac6127d8681723e527201f7102370b2d5f18a57950e04485991e2f51c [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" "b0112d7ac6127d8681723e527201f7102370b2d5f18a57950e04485991e2f51c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b0112d7ac6127d8681723e527201f7102370b2d5f18a57950e04485991e2f51c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b0112d7ac6127d8681723e527201f7102370b2d5f18a57950e04485991e2f51c", kill_on_drop: false }` [INFO] [stdout] b0112d7ac6127d8681723e527201f7102370b2d5f18a57950e04485991e2f51c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 25a599b76546784e8f5697d5ceabeba1e8c4099ec96d318cfe753b20a2df5af2 [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" "25a599b76546784e8f5697d5ceabeba1e8c4099ec96d318cfe753b20a2df5af2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Compiling nodrop v0.1.14 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling cc v1.0.46 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Compiling failure_derive v0.1.6 [INFO] [stderr] Compiling rayon-core v1.6.0 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling termcolor v1.0.5 [INFO] [stderr] Compiling itoa v0.4.4 [INFO] [stderr] Compiling bb v0.1.0 (/opt/rustwide/workdir/bb-4) [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling crossbeam-queue v0.1.2 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling smallvec v0.6.13 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Compiling crossbeam-epoch v0.8.0 [INFO] [stderr] Compiling bincode v1.2.0 [INFO] [stderr] Compiling memoffset v0.5.1 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling fxhash v0.2.1 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling num_cpus v1.10.1 [INFO] [stderr] Compiling fs2 v0.4.3 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling crossbeam-epoch v0.7.2 [INFO] [stderr] Compiling aho-corasick v0.7.6 [INFO] [stderr] Compiling crossbeam-queue v0.2.0 [INFO] [stderr] Compiling crossbeam-channel v0.4.0 [INFO] [stderr] Compiling crossbeam-deque v0.7.1 [INFO] [stderr] Compiling backtrace v0.3.40 [INFO] [stderr] Compiling crossbeam v0.7.3 [INFO] [stderr] Compiling regex v1.3.1 [INFO] [stderr] Compiling rayon v1.2.0 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Compiling env_logger v0.7.1 [INFO] [stderr] Compiling structopt v0.2.18 [INFO] [stderr] Compiling synstructure v0.12.1 [INFO] [stderr] Compiling serde_derive v1.0.101 [INFO] [stderr] Compiling failure v0.1.6 [INFO] [stderr] Compiling serde v1.0.101 [INFO] [stderr] Compiling serde_bytes v0.11.2 [INFO] [stderr] Compiling serde_json v1.0.41 [INFO] [stderr] Compiling sled v0.29.2 [INFO] [stderr] Compiling kvs v0.1.0 (/opt/rustwide/workdir/project-4) [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> project-4/src/lib.rs:244:17 [INFO] [stdout] | [INFO] [stdout] 244 | Err(err) => Err(KvError::KeyNotFound), [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `threads` [INFO] [stdout] --> project-4/src/thread_pool/naive.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 10 | fn new(threads: u32) -> Result where Self: Sized { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_threads` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `threads` [INFO] [stdout] --> project-4/src/thread_pool/rayon.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 10 | fn new(threads: u32) -> Result where Self: Sized { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_threads` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `threads` [INFO] [stdout] --> project-4/src/thread_pool/shared_queue.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 10 | fn new(threads: u32) -> Result where Self: Sized { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_threads` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `clone` [INFO] [stdout] --> project-4/src/lib.rs:169:8 [INFO] [stdout] | [INFO] [stdout] 169 | fn clone(&self) -> Self { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> project-4/src/lib.rs:205:13 [INFO] [stdout] | [INFO] [stdout] 205 | store.set("".to_owned(), "".to_owned()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> project-4/src/lib.rs:211:13 [INFO] [stdout] | [INFO] [stdout] 211 | file.read(&mut first_bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> project-4/src/lib.rs:222:25 [INFO] [stdout] | [INFO] [stdout] 222 | KvStore::load(&mut store, &cmd); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> project-4/src/lib.rs:235:9 [INFO] [stdout] | [INFO] [stdout] 235 | &self.storage.insert(key.into_bytes(), value.into_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 235 | let _ = &self.storage.insert(key.into_bytes(), value.into_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> project-4/src/lib.rs:236:9 [INFO] [stdout] | [INFO] [stdout] 236 | &self.storage.flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 236 | let _ = &self.storage.flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> project-4/src/lib.rs:251:17 [INFO] [stdout] | [INFO] [stdout] 251 | &self.storage.remove(key.into_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 251 | let _ = &self.storage.remove(key.into_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> project-4/src/lib.rs:252:17 [INFO] [stdout] | [INFO] [stdout] 252 | &self.storage.flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 252 | let _ = &self.storage.flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> project-4/src/lib.rs:268:13 [INFO] [stdout] | [INFO] [stdout] 268 | file.read(&mut first_bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> project-4/src/bin/kvs-server.rs:6:15 [INFO] [stdout] | [INFO] [stdout] 6 | use std::io::{Read, Write, BufReader, BufRead}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> project-4/src/bin/kvs-client.rs:4:15 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::{Read, Write, BufReader, BufRead}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> project-4/src/bin/kvs-server.rs:67:9 [INFO] [stdout] | [INFO] [stdout] 67 | let mut store: &mut dyn KvsEngine; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> project-4/src/bin/kvs-server.rs:83:13 [INFO] [stdout] | [INFO] [stdout] 83 | let mut stream = stream.unwrap(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> project-4/src/bin/kvs-server.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | reader.read_line(&mut buf); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> project-4/src/bin/kvs-server.rs:84:9 [INFO] [stdout] | [INFO] [stdout] 84 | exchange(stream, store); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 51s [INFO] running `Command { std: "docker" "inspect" "25a599b76546784e8f5697d5ceabeba1e8c4099ec96d318cfe753b20a2df5af2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "25a599b76546784e8f5697d5ceabeba1e8c4099ec96d318cfe753b20a2df5af2", kill_on_drop: false }` [INFO] [stdout] 25a599b76546784e8f5697d5ceabeba1e8c4099ec96d318cfe753b20a2df5af2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b2fb0e80dda4381d27aa84867370c201f29954a9207f560f5521589bb050e65d [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" "b2fb0e80dda4381d27aa84867370c201f29954a9207f560f5521589bb050e65d", kill_on_drop: false }` [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling getrandom v0.1.12 [INFO] [stderr] Compiling predicates-core v1.0.0 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Compiling same-file v1.0.5 [INFO] [stderr] Compiling cast v0.2.2 [INFO] [stderr] Compiling normalize-line-endings v0.2.2 [INFO] [stderr] Compiling remove_dir_all v0.5.2 [INFO] [stderr] Compiling panic-control v0.1.4 [INFO] [stderr] Compiling bb v0.1.0 (/opt/rustwide/workdir/bb-4) [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling itertools v0.8.0 [INFO] [stderr] Compiling c2-chacha v0.2.3 [INFO] [stderr] Compiling regex-automata v0.1.8 [INFO] [stderr] Compiling csv-core v0.1.6 [INFO] [stderr] Compiling walkdir v2.2.9 [INFO] [stderr] Compiling predicates-tree v1.0.0 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_xoshiro v0.1.0 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling bstr v0.2.8 [INFO] [stderr] Compiling tinytemplate v1.0.2 [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> project-4/src/lib.rs:244:17 [INFO] [stdout] | [INFO] [stdout] 244 | Err(err) => Err(KvError::KeyNotFound), [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `threads` [INFO] [stdout] --> project-4/src/thread_pool/naive.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 10 | fn new(threads: u32) -> Result where Self: Sized { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_threads` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `threads` [INFO] [stdout] --> project-4/src/thread_pool/rayon.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 10 | fn new(threads: u32) -> Result where Self: Sized { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_threads` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `threads` [INFO] [stdout] --> project-4/src/thread_pool/shared_queue.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 10 | fn new(threads: u32) -> Result where Self: Sized { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_threads` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `clone` [INFO] [stdout] --> project-4/src/lib.rs:169:8 [INFO] [stdout] | [INFO] [stdout] 169 | fn clone(&self) -> Self { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> project-4/src/lib.rs:205:13 [INFO] [stdout] | [INFO] [stdout] 205 | store.set("".to_owned(), "".to_owned()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> project-4/src/lib.rs:211:13 [INFO] [stdout] | [INFO] [stdout] 211 | file.read(&mut first_bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> project-4/src/lib.rs:222:25 [INFO] [stdout] | [INFO] [stdout] 222 | KvStore::load(&mut store, &cmd); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> project-4/src/lib.rs:235:9 [INFO] [stdout] | [INFO] [stdout] 235 | &self.storage.insert(key.into_bytes(), value.into_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 235 | let _ = &self.storage.insert(key.into_bytes(), value.into_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> project-4/src/lib.rs:236:9 [INFO] [stdout] | [INFO] [stdout] 236 | &self.storage.flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 236 | let _ = &self.storage.flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> project-4/src/lib.rs:251:17 [INFO] [stdout] | [INFO] [stdout] 251 | &self.storage.remove(key.into_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 251 | let _ = &self.storage.remove(key.into_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> project-4/src/lib.rs:252:17 [INFO] [stdout] | [INFO] [stdout] 252 | &self.storage.flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 252 | let _ = &self.storage.flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> project-4/src/lib.rs:268:13 [INFO] [stdout] | [INFO] [stdout] 268 | file.read(&mut first_bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> project-4/src/bin/kvs-client.rs:4:15 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::{Read, Write, BufReader, BufRead}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> project-4/src/bin/kvs-server.rs:6:15 [INFO] [stdout] | [INFO] [stdout] 6 | use std::io::{Read, Write, BufReader, BufRead}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> project-4/src/bin/kvs-server.rs:67:9 [INFO] [stdout] | [INFO] [stdout] 67 | let mut store: &mut dyn KvsEngine; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> project-4/src/bin/kvs-server.rs:83:13 [INFO] [stdout] | [INFO] [stdout] 83 | let mut stream = stream.unwrap(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> project-4/src/bin/kvs-server.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | reader.read_line(&mut buf); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> project-4/src/bin/kvs-server.rs:84:9 [INFO] [stdout] | [INFO] [stdout] 84 | exchange(stream, store); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling criterion-plot v0.3.1 [INFO] [stderr] Compiling rand v0.7.2 [INFO] [stderr] Compiling csv v1.1.1 [INFO] [stderr] Compiling float-cmp v0.4.0 [INFO] [stderr] Compiling predicates v1.0.1 [INFO] [stderr] Compiling criterion v0.2.11 [INFO] [stderr] Compiling tempfile v3.1.0 [INFO] [stderr] Compiling assert_cmd v0.11.1 [INFO] [stderr] Compiling kvs v0.1.0 (/opt/rustwide/workdir/project-4) [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> project-4/src/bin/kvs-server.rs:6:15 [INFO] [stdout] | [INFO] [stdout] 6 | use std::io::{Read, Write, BufReader, BufRead}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> project-4/src/bin/kvs-client.rs:4:15 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::{Read, Write, BufReader, BufRead}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> project-4/src/bin/kvs-server.rs:67:9 [INFO] [stdout] | [INFO] [stdout] 67 | let mut store: &mut dyn KvsEngine; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> project-4/src/bin/kvs-server.rs:83:13 [INFO] [stdout] | [INFO] [stdout] 83 | let mut stream = stream.unwrap(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> project-4/src/bin/kvs-server.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | reader.read_line(&mut buf); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> project-4/src/bin/kvs-server.rs:84:9 [INFO] [stdout] | [INFO] [stdout] 84 | exchange(stream, store); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> project-4/src/lib.rs:244:17 [INFO] [stdout] | [INFO] [stdout] 244 | Err(err) => Err(KvError::KeyNotFound), [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `threads` [INFO] [stdout] --> project-4/src/thread_pool/naive.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 10 | fn new(threads: u32) -> Result where Self: Sized { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_threads` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `threads` [INFO] [stdout] --> project-4/src/thread_pool/rayon.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 10 | fn new(threads: u32) -> Result where Self: Sized { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_threads` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `threads` [INFO] [stdout] --> project-4/src/thread_pool/shared_queue.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 10 | fn new(threads: u32) -> Result where Self: Sized { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_threads` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0624]: associated function `clone` is private [INFO] [stdout] --> project-4/tests/kv_store.rs:136:27 [INFO] [stdout] | [INFO] [stdout] 136 | let store = store.clone(); [INFO] [stdout] | ^^^^^ private associated function [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/workdir/project-4/src/lib.rs:169:5 [INFO] [stdout] | [INFO] [stdout] 169 | fn clone(&self) -> Self { [INFO] [stdout] | ----------------------- private associated function defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `clone` [INFO] [stdout] --> project-4/src/lib.rs:169:8 [INFO] [stdout] | [INFO] [stdout] 169 | fn clone(&self) -> Self { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> project-4/src/lib.rs:205:13 [INFO] [stdout] | [INFO] [stdout] 205 | store.set("".to_owned(), "".to_owned()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0624]: associated function `clone` is private [INFO] [stdout] --> project-4/tests/kv_store.rs:173:27 [INFO] [stdout] | [INFO] [stdout] 173 | let store = store.clone(); [INFO] [stdout] | ^^^^^ private associated function [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/workdir/project-4/src/lib.rs:169:5 [INFO] [stdout] | [INFO] [stdout] 169 | fn clone(&self) -> Self { [INFO] [stdout] | ----------------------- private associated function defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> project-4/src/lib.rs:211:13 [INFO] [stdout] | [INFO] [stdout] 211 | file.read(&mut first_bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> project-4/src/lib.rs:222:25 [INFO] [stdout] | [INFO] [stdout] 222 | KvStore::load(&mut store, &cmd); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> project-4/src/lib.rs:235:9 [INFO] [stdout] | [INFO] [stdout] 235 | &self.storage.insert(key.into_bytes(), value.into_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 235 | let _ = &self.storage.insert(key.into_bytes(), value.into_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> project-4/src/lib.rs:236:9 [INFO] [stdout] | [INFO] [stdout] 236 | &self.storage.flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 236 | let _ = &self.storage.flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> project-4/src/lib.rs:251:17 [INFO] [stdout] | [INFO] [stdout] 251 | &self.storage.remove(key.into_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 251 | let _ = &self.storage.remove(key.into_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> project-4/src/lib.rs:252:17 [INFO] [stdout] | [INFO] [stdout] 252 | &self.storage.flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 252 | let _ = &self.storage.flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> project-4/src/lib.rs:268:13 [INFO] [stdout] | [INFO] [stdout] 268 | file.read(&mut first_bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0624]: associated function `clone` is private [INFO] [stdout] --> project-4/tests/kv_store.rs:194:27 [INFO] [stdout] | [INFO] [stdout] 194 | let store = store.clone(); [INFO] [stdout] | ^^^^^ private associated function [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/workdir/project-4/src/lib.rs:169:5 [INFO] [stdout] | [INFO] [stdout] 169 | fn clone(&self) -> Self { [INFO] [stdout] | ----------------------- private associated function defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0624`. [INFO] [stdout] [INFO] [stderr] error: could not compile `kvs` due to 4 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "b2fb0e80dda4381d27aa84867370c201f29954a9207f560f5521589bb050e65d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b2fb0e80dda4381d27aa84867370c201f29954a9207f560f5521589bb050e65d", kill_on_drop: false }` [INFO] [stdout] b2fb0e80dda4381d27aa84867370c201f29954a9207f560f5521589bb050e65d