[INFO] cloning repository https://github.com/PawsomeOS/ewesfullib
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PawsomeOS/ewesfullib" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPawsomeOS%2Fewesfullib", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPawsomeOS%2Fewesfullib'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f88116a7d54a82ba6be98305a348d3c82727d95b
[INFO] checking PawsomeOS/ewesfullib against master#9e293ae9f8abecb0be5105787d181518c9012a19 for pr-146440-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPawsomeOS%2Fewesfullib" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/PawsomeOS/ewesfullib
[INFO] finished tweaking git repo https://github.com/PawsomeOS/ewesfullib
[INFO] tweaked toml for git repo https://github.com/PawsomeOS/ewesfullib written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/PawsomeOS/ewesfullib on toolchain 9e293ae9f8abecb0be5105787d181518c9012a19
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/PawsomeOS/ewesfullib already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded volatile v0.2.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb872462ba894996a6f32d6a4d803abe1e6c3803343f8f1230262ae61a55a8fb
[INFO] running `Command { std: "docker" "start" "-a" "cb872462ba894996a6f32d6a4d803abe1e6c3803343f8f1230262ae61a55a8fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb872462ba894996a6f32d6a4d803abe1e6c3803343f8f1230262ae61a55a8fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb872462ba894996a6f32d6a4d803abe1e6c3803343f8f1230262ae61a55a8fb", kill_on_drop: false }`
[INFO] [stdout] cb872462ba894996a6f32d6a4d803abe1e6c3803343f8f1230262ae61a55a8fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 456b68b820d0e41aebe6fb1e4ccd1509a027de47261d07ea40144e361e478b30
[INFO] running `Command { std: "docker" "start" "-a" "456b68b820d0e41aebe6fb1e4ccd1509a027de47261d07ea40144e361e478b30", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking crossbeam-queue v0.3.12
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking volatile v0.2.7
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking ewesfullib v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/collections/buffers/fixedbuffer.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |             (*write_cursor > *read_cursor)
[INFO] [stdout]    |             ^                            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 37 -             (*write_cursor > *read_cursor)
[INFO] [stdout] 37 +             *write_cursor > *read_cursor 
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `collections::buffers::Buffer`
[INFO] [stdout]  --> src/collections/buffers/varlenbuffer.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{collections::buffers::Buffer, prelude::*};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MutexGuard`
[INFO] [stdout]  --> src/prelude.rs:7:31
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use spin::{RwLock, Mutex, MutexGuard};
[INFO] [stdout]   |                               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/collections/buffers/fixedbuffer.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let mut buffer = self.buffer.lock();
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/collections/buffers/fixedbuffer.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn from(value: Box<[u8]>) -> Self {
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/collections/buffers/fixedbuffer.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn from(value: Vec<u8>) -> Self {
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `branch_size` and `nodes` are never read
[INFO] [stdout]  --> src/collections/tree.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Tree<T> {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 4 |     branch_size: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 5 |     nodes: Vec<Entry<T>>
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Leaf` and `Branch` are never constructed
[INFO] [stdout]   --> src/collections/tree.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | enum Entry<T> {
[INFO] [stdout]    |      ----- variants in this enum
[INFO] [stdout]  9 |     Leaf(Box<T>),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 10 |     Branch(Vec<Box<Entry<T>>>)   
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `size` and `read_cursor` are never read
[INFO] [stdout]  --> src/collections/buffers/fixedbuffer.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct FixedBuffer<T> {
[INFO] [stdout]   |            ----------- fields in this struct
[INFO] [stdout] 5 |     buffer: Box<Arc<Mutex<[T]>>>,
[INFO] [stdout] 6 |     size: usize,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 7 |     read_cursor: Mutex<usize>,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `buffer` is never read
[INFO] [stdout]  --> src/collections/buffers/varlenbuffer.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct VarLenBuffer {
[INFO] [stdout]   |            ------------ field in this struct
[INFO] [stdout] 5 |     buffer: Box<Arc<RwLock<Vec<u8>>>>
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/collections/buffers/fixedbuffer.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |             (*write_cursor > *read_cursor)
[INFO] [stdout]    |             ^                            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 37 -             (*write_cursor > *read_cursor)
[INFO] [stdout] 37 +             *write_cursor > *read_cursor 
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `collections::buffers::Buffer`
[INFO] [stdout]  --> src/collections/buffers/varlenbuffer.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{collections::buffers::Buffer, prelude::*};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MutexGuard`
[INFO] [stdout]  --> src/prelude.rs:7:31
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use spin::{RwLock, Mutex, MutexGuard};
[INFO] [stdout]   |                               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/collections/buffers/fixedbuffer.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let mut buffer = self.buffer.lock();
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/collections/buffers/fixedbuffer.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn from(value: Box<[u8]>) -> Self {
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/collections/buffers/fixedbuffer.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn from(value: Vec<u8>) -> Self {
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `branch_size` and `nodes` are never read
[INFO] [stdout]  --> src/collections/tree.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Tree<T> {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 4 |     branch_size: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 5 |     nodes: Vec<Entry<T>>
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Leaf` and `Branch` are never constructed
[INFO] [stdout]   --> src/collections/tree.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | enum Entry<T> {
[INFO] [stdout]    |      ----- variants in this enum
[INFO] [stdout]  9 |     Leaf(Box<T>),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 10 |     Branch(Vec<Box<Entry<T>>>)   
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `size` and `read_cursor` are never read
[INFO] [stdout]  --> src/collections/buffers/fixedbuffer.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct FixedBuffer<T> {
[INFO] [stdout]   |            ----------- fields in this struct
[INFO] [stdout] 5 |     buffer: Box<Arc<Mutex<[T]>>>,
[INFO] [stdout] 6 |     size: usize,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 7 |     read_cursor: Mutex<usize>,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `buffer` is never read
[INFO] [stdout]  --> src/collections/buffers/varlenbuffer.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct VarLenBuffer {
[INFO] [stdout]   |            ------------ field in this struct
[INFO] [stdout] 5 |     buffer: Box<Arc<RwLock<Vec<u8>>>>
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.12s
[INFO] running `Command { std: "docker" "inspect" "456b68b820d0e41aebe6fb1e4ccd1509a027de47261d07ea40144e361e478b30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "456b68b820d0e41aebe6fb1e4ccd1509a027de47261d07ea40144e361e478b30", kill_on_drop: false }`
[INFO] [stdout] 456b68b820d0e41aebe6fb1e4ccd1509a027de47261d07ea40144e361e478b30
