[INFO] cloning repository https://github.com/Iorveth/ParallelAlgorithms
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Iorveth/ParallelAlgorithms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIorveth%2FParallelAlgorithms", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIorveth%2FParallelAlgorithms'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 56a6c4cf10f9f55a7fd2d3703c023dcf77900710
[INFO] testing Iorveth/ParallelAlgorithms against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIorveth%2FParallelAlgorithms" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Iorveth/ParallelAlgorithms on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Iorveth/ParallelAlgorithms
[INFO] finished tweaking git repo https://github.com/Iorveth/ParallelAlgorithms
[INFO] tweaked toml for git repo https://github.com/Iorveth/ParallelAlgorithms written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/Iorveth/ParallelAlgorithms already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29e5520fc2cbac5a3d1cf200e9be7a427a6ade99428981a89f50e93623d179da
[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" "29e5520fc2cbac5a3d1cf200e9be7a427a6ade99428981a89f50e93623d179da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29e5520fc2cbac5a3d1cf200e9be7a427a6ade99428981a89f50e93623d179da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29e5520fc2cbac5a3d1cf200e9be7a427a6ade99428981a89f50e93623d179da", kill_on_drop: false }`
[INFO] [stdout] 29e5520fc2cbac5a3d1cf200e9be7a427a6ade99428981a89f50e93623d179da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0021f493a89f075e8dc268f4dd100a20537065f36c6e83b5a6fb96c6a60eb1dc
[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" "0021f493a89f075e8dc268f4dd100a20537065f36c6e83b5a6fb96c6a60eb1dc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ParallelAlgorithms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `eating_philosophers::eating_philosophers_run`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use eating_philosophers::eating_philosophers_run;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `readers_writers::readers_writers_run`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use readers_writers::readers_writers_run;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `readers_writers::Priority`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use readers_writers::Priority;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/readers_writers.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |             _ => unreachable!(),
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/readers_writers.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |             _ => unreachable!(),
[INFO] [stdout]    |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/readers_writers.rs:94:13
[INFO] [stdout]    |
[INFO] [stdout] 94 |             _ => unreachable!(),
[INFO] [stdout]    |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/sleeping_dresser.rs:35:17
[INFO] [stdout]    |
[INFO] [stdout] 35 |             Err(e) => {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/eating_philosophers.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let mut forks: [AtomicBool; 5] = [
[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]   --> src/eating_philosophers.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let mut handles: Vec<_> = philosophers
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/readers_writers.rs:80:13
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let mut write = self.write_lock.write().unwrap();
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/readers_writers.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |     let mut readers_writers = ReadersWriters::new(readers_count, writers_count, priority);
[INFO] [stdout]    |         ----^^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Philosopher`
[INFO] [stdout]  --> src/eating_philosophers.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Philosopher {
[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/eating_philosophers.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn new(name: String, left_hand: u8, right_hand: u8) -> Philosopher {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eat`
[INFO] [stdout]   --> src/eating_philosophers.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn eat(&self, forks: &[AtomicBool; 5]) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `init`
[INFO] [stdout]   --> src/eating_philosophers.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn init() -> (Arc<[AtomicBool; 5]>, Vec<Philosopher>) {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `eating_philosophers_run`
[INFO] [stdout]   --> src/eating_philosophers.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub fn eating_philosophers_run() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Priority`
[INFO] [stdout]  --> src/readers_writers.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum Priority {
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `ReadersWriters`
[INFO] [stdout]   --> src/readers_writers.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct ReadersWriters {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/readers_writers.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn new(readers_count: usize, writers_count: usize, priority: Priority) -> Arc<ReadersWriters> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_readers_count`
[INFO] [stdout]   --> src/readers_writers.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn get_readers_count(&self) -> &AtomicUsize {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_writers_count`
[INFO] [stdout]   --> src/readers_writers.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn get_writers_count(&self) -> &AtomicUsize {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read`
[INFO] [stdout]   --> src/readers_writers.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn read(&self, i: usize) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write`
[INFO] [stdout]   --> src/readers_writers.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn write(&self, i: usize) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `readers_writers_run`
[INFO] [stdout]   --> src/readers_writers.rs:98:8
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub fn readers_writers_run(readers_count: usize, writers_count: usize, priority: Priority) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `ParallelAlgorithms` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `parallel_algorithms`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.59s
[INFO] running `Command { std: "docker" "inspect" "0021f493a89f075e8dc268f4dd100a20537065f36c6e83b5a6fb96c6a60eb1dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0021f493a89f075e8dc268f4dd100a20537065f36c6e83b5a6fb96c6a60eb1dc", kill_on_drop: false }`
[INFO] [stdout] 0021f493a89f075e8dc268f4dd100a20537065f36c6e83b5a6fb96c6a60eb1dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3ff69d135a96ecad5ea1d24da121e802ad13181879f261df2b7a0a1ef3df588
[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" "c3ff69d135a96ecad5ea1d24da121e802ad13181879f261df2b7a0a1ef3df588", kill_on_drop: false }`
[INFO] [stderr]    Compiling ParallelAlgorithms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `eating_philosophers::eating_philosophers_run`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use eating_philosophers::eating_philosophers_run;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `readers_writers::readers_writers_run`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use readers_writers::readers_writers_run;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `readers_writers::Priority`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use readers_writers::Priority;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/readers_writers.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |             _ => unreachable!(),
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/readers_writers.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |             _ => unreachable!(),
[INFO] [stdout]    |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/readers_writers.rs:94:13
[INFO] [stdout]    |
[INFO] [stdout] 94 |             _ => unreachable!(),
[INFO] [stdout]    |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/sleeping_dresser.rs:35:17
[INFO] [stdout]    |
[INFO] [stdout] 35 |             Err(e) => {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/eating_philosophers.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let mut forks: [AtomicBool; 5] = [
[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]   --> src/eating_philosophers.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let mut handles: Vec<_> = philosophers
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/readers_writers.rs:80:13
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let mut write = self.write_lock.write().unwrap();
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/readers_writers.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |     let mut readers_writers = ReadersWriters::new(readers_count, writers_count, priority);
[INFO] [stdout]    |         ----^^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Philosopher`
[INFO] [stdout]  --> src/eating_philosophers.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Philosopher {
[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/eating_philosophers.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn new(name: String, left_hand: u8, right_hand: u8) -> Philosopher {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eat`
[INFO] [stdout]   --> src/eating_philosophers.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn eat(&self, forks: &[AtomicBool; 5]) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `init`
[INFO] [stdout]   --> src/eating_philosophers.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn init() -> (Arc<[AtomicBool; 5]>, Vec<Philosopher>) {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `eating_philosophers_run`
[INFO] [stdout]   --> src/eating_philosophers.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub fn eating_philosophers_run() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Priority`
[INFO] [stdout]  --> src/readers_writers.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum Priority {
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `ReadersWriters`
[INFO] [stdout]   --> src/readers_writers.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct ReadersWriters {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/readers_writers.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn new(readers_count: usize, writers_count: usize, priority: Priority) -> Arc<ReadersWriters> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_readers_count`
[INFO] [stdout]   --> src/readers_writers.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn get_readers_count(&self) -> &AtomicUsize {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_writers_count`
[INFO] [stdout]   --> src/readers_writers.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn get_writers_count(&self) -> &AtomicUsize {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read`
[INFO] [stdout]   --> src/readers_writers.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn read(&self, i: usize) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write`
[INFO] [stdout]   --> src/readers_writers.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn write(&self, i: usize) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `readers_writers_run`
[INFO] [stdout]   --> src/readers_writers.rs:98:8
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub fn readers_writers_run(readers_count: usize, writers_count: usize, priority: Priority) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `ParallelAlgorithms` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `parallel_algorithms`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "c3ff69d135a96ecad5ea1d24da121e802ad13181879f261df2b7a0a1ef3df588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3ff69d135a96ecad5ea1d24da121e802ad13181879f261df2b7a0a1ef3df588", kill_on_drop: false }`
[INFO] [stdout] c3ff69d135a96ecad5ea1d24da121e802ad13181879f261df2b7a0a1ef3df588
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4302f92b54df3f5228ca4329dadf9389e529d7df583f87a6c587b52a16b29eec
[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" "4302f92b54df3f5228ca4329dadf9389e529d7df583f87a6c587b52a16b29eec", kill_on_drop: false }`
[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] [stderr] warning: unused import: `eating_philosophers::eating_philosophers_run`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use eating_philosophers::eating_philosophers_run;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `readers_writers::readers_writers_run`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use readers_writers::readers_writers_run;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `readers_writers::Priority`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use readers_writers::Priority;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/readers_writers.rs:63:13
[INFO] [stderr]    |
[INFO] [stderr] 63 |             _ => unreachable!(),
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/readers_writers.rs:78:13
[INFO] [stderr]    |
[INFO] [stderr] 78 |             _ => unreachable!(),
[INFO] [stderr]    |             ^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/readers_writers.rs:94:13
[INFO] [stderr]    |
[INFO] [stderr] 94 |             _ => unreachable!(),
[INFO] [stderr]    |             ^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/sleeping_dresser.rs:35:17
[INFO] [stderr]    |
[INFO] [stderr] 35 |             Err(e) => {
[INFO] [stderr]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/eating_philosophers.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let mut forks: [AtomicBool; 5] = [
[INFO] [stderr]    |         ----^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/eating_philosophers.rs:61:9
[INFO] [stderr]    |
[INFO] [stderr] 61 |     let mut handles: Vec<_> = philosophers
[INFO] [stderr]    |         ----^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/readers_writers.rs:80:13
[INFO] [stderr]    |
[INFO] [stderr] 80 |         let mut write = self.write_lock.write().unwrap();
[INFO] [stderr]    |             ----^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/readers_writers.rs:99:9
[INFO] [stderr]    |
[INFO] [stderr] 99 |     let mut readers_writers = ReadersWriters::new(readers_count, writers_count, priority);
[INFO] [stderr]    |         ----^^^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Philosopher`
[INFO] [stderr]  --> src/eating_philosophers.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct Philosopher {
[INFO] [stderr]   |            ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/eating_philosophers.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn new(name: String, left_hand: u8, right_hand: u8) -> Philosopher {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `eat`
[INFO] [stderr]   --> src/eating_philosophers.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn eat(&self, forks: &[AtomicBool; 5]) {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `init`
[INFO] [stderr]   --> src/eating_philosophers.rs:38:4
[INFO] [stderr]    |
[INFO] [stderr] 38 | fn init() -> (Arc<[AtomicBool; 5]>, Vec<Philosopher>) {
[INFO] [stderr]    |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `eating_philosophers_run`
[INFO] [stderr]   --> src/eating_philosophers.rs:59:8
[INFO] [stderr]    |
[INFO] [stderr] 59 | pub fn eating_philosophers_run() {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Priority`
[INFO] [stderr]  --> src/readers_writers.rs:7:10
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub enum Priority {
[INFO] [stderr]   |          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `ReadersWriters`
[INFO] [stderr]   --> src/readers_writers.rs:13:12
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub struct ReadersWriters {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/readers_writers.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn new(readers_count: usize, writers_count: usize, priority: Priority) -> Arc<ReadersWriters> {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_readers_count`
[INFO] [stderr]   --> src/readers_writers.rs:32:8
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn get_readers_count(&self) -> &AtomicUsize {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_writers_count`
[INFO] [stderr]   --> src/readers_writers.rs:36:8
[INFO] [stderr]    |
[INFO] [stderr] 36 |     fn get_writers_count(&self) -> &AtomicUsize {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `read`
[INFO] [stderr]   --> src/readers_writers.rs:40:8
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn read(&self, i: usize) {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write`
[INFO] [stderr]   --> src/readers_writers.rs:67:8
[INFO] [stderr]    |
[INFO] [stderr] 67 |     fn write(&self, i: usize) {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `readers_writers_run`
[INFO] [stderr]   --> src/readers_writers.rs:98:8
[INFO] [stderr]    |
[INFO] [stderr] 98 | pub fn readers_writers_run(readers_count: usize, writers_count: usize, priority: Priority) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `ParallelAlgorithms` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `parallel_algorithms`
[INFO] [stderr] 
[INFO] [stderr] warning: 25 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ParallelAlgorithms-614dd7b6c8b99372
[INFO] running `Command { std: "docker" "inspect" "4302f92b54df3f5228ca4329dadf9389e529d7df583f87a6c587b52a16b29eec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4302f92b54df3f5228ca4329dadf9389e529d7df583f87a6c587b52a16b29eec", kill_on_drop: false }`
[INFO] [stdout] 4302f92b54df3f5228ca4329dadf9389e529d7df583f87a6c587b52a16b29eec
