[INFO] cloning repository https://github.com/zqhxuyuan/bytebuffers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zqhxuyuan/bytebuffers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzqhxuyuan%2Fbytebuffers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzqhxuyuan%2Fbytebuffers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5eaa2301b49d0b6aaf1d8a2569aead7e98332660
[INFO] testing zqhxuyuan/bytebuffers against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzqhxuyuan%2Fbytebuffers" "/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/zqhxuyuan/bytebuffers on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zqhxuyuan/bytebuffers
[INFO] finished tweaking git repo https://github.com/zqhxuyuan/bytebuffers
[INFO] tweaked toml for git repo https://github.com/zqhxuyuan/bytebuffers written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/zqhxuyuan/bytebuffers already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f64d4fdaed11b6a06668c260fedcba9be8ff83dd77531f4d9341aef9b20bcdef
[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" "f64d4fdaed11b6a06668c260fedcba9be8ff83dd77531f4d9341aef9b20bcdef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f64d4fdaed11b6a06668c260fedcba9be8ff83dd77531f4d9341aef9b20bcdef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f64d4fdaed11b6a06668c260fedcba9be8ff83dd77531f4d9341aef9b20bcdef", kill_on_drop: false }`
[INFO] [stdout] f64d4fdaed11b6a06668c260fedcba9be8ff83dd77531f4d9341aef9b20bcdef
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 238d0d32a1e832ae3b6f2105a9f14b90123a462969521dc4ea919ca41c60ead5
[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" "238d0d32a1e832ae3b6f2105a9f14b90123a462969521dc4ea919ca41c60ead5", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytebuffers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/buffer/arc_bytebuffer.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Range`
[INFO] [stdout]  --> src/tests/buffer_test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::Range;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/tests/buffer_test.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Buffer`, `ByteBuffer`, `IBuffer`
[INFO] [stdout]  --> src/tests/buffer_test.rs:3:29
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::buffer::buffer::{Buffer, IBuffer, ByteBuffer};
[INFO] [stdout]   |                             ^^^^^^  ^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::buffer::clone_bytebuffer::CloneByteBuffer`
[INFO] [stdout]  --> src/tests/buffer_test.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::buffer::clone_bytebuffer::CloneByteBuffer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::buffer::arc_bytebuffer::ArcByteBuffer`
[INFO] [stdout]  --> src/tests/buffer_test.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::buffer::arc_bytebuffer::ArcByteBuffer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `buffer::buffer::ByteBuffer::new`
[INFO] [stdout]    --> src/buffer/buffer.rs:252:14
[INFO] [stdout]     |
[INFO] [stdout] 252 |         self.new(mark, pos, limit, cap, 0)
[INFO] [stdout]     |              ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `buffer::buffer::Buffer::new`
[INFO] [stdout]    --> src/buffer/buffer.rs:258:16
[INFO] [stdout]     |
[INFO] [stdout] 258 |         buffer.new(mark, pos, limit, cap);
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `off`
[INFO] [stdout]   --> src/buffer/arc_bytebuffer.rs:80:71
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn new(buf: &[u8], mark: i32, pos: i32, limit: i32, cap: i32, off: i32) -> Self {
[INFO] [stdout]    |                                                                       ^^^ help: if this is intentional, prefix it with an underscore: `_off`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]    --> src/buffer/buffer.rs:256:70
[INFO] [stdout]     |
[INFO] [stdout] 256 |     pub fn new(&mut self, mark: i32, pos: i32, limit: i32, cap: i32, offset: i32) {
[INFO] [stdout]     |                                                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `off`
[INFO] [stdout]   --> src/buffer/clone_bytebuffer.rs:79:71
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn new(buf: &[u8], mark: i32, pos: i32, limit: i32, cap: i32, off: i32) -> Self {
[INFO] [stdout]    |                                                                       ^^^ help: if this is intentional, prefix it with an underscore: `_off`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/buffer/arc_bytebuffer.rs:154:13
[INFO] [stdout]     |
[INFO] [stdout] 154 |         let mut hb = Arc::clone(&self.hb);
[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/buffer/arc_bytebuffer.rs:188:13
[INFO] [stdout]     |
[INFO] [stdout] 188 |         let mut hb = Arc::clone(&self.hb);
[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/buffer/arc_bytebuffer.rs:237:13
[INFO] [stdout]     |
[INFO] [stdout] 237 |         let mut src_hb = Arc::clone(&heap_buffer.hb);
[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/buffer/clone_bytebuffer.rs:151:13
[INFO] [stdout]     |
[INFO] [stdout] 151 |         let mut hb = self.hb.get_mut();
[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/buffer/clone_bytebuffer.rs:167:13
[INFO] [stdout]     |
[INFO] [stdout] 167 |         let mut hb = self.hb.get_mut();
[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/buffer/clone_bytebuffer.rs:186:13
[INFO] [stdout]     |
[INFO] [stdout] 186 |         let mut hb = self.hb.get_mut();
[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/buffer/clone_bytebuffer.rs:207:13
[INFO] [stdout]     |
[INFO] [stdout] 207 |         let mut hb = self.hb.get_mut();
[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/buffer/clone_bytebuffer.rs:236:13
[INFO] [stdout]     |
[INFO] [stdout] 236 |         let mut src_hb = heap_buffer.hb.get_mut();
[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/buffer/clone_bytebuffer.rs:237:13
[INFO] [stdout]     |
[INFO] [stdout] 237 |         let mut hb = self.hb.get_mut();
[INFO] [stdout]     |             ----^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Slice`
[INFO] [stdout]  --> src/tests/slice_test.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Slice<T> {
[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/tests/slice_test.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new(offset: u32, len: u32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Header`
[INFO] [stdout]   --> src/tests/slice_test.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Header {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Data`
[INFO] [stdout]   --> src/tests/slice_test.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct Data<'a> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/tests/slice_test.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn new<B: Into<Cow<'a, [u8]>>>(bytes: B) -> Data<'a> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_target`
[INFO] [stdout]   --> src/tests/slice_test.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn get_target(&self, idx: usize) -> u32 {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `bytes`
[INFO] [stdout]   --> src/tests/slice_test.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn bytes(&self, start: usize, len: usize) -> *const u8 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `header`
[INFO] [stdout]   --> src/tests/slice_test.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn header(&self) -> &Header {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `slice`
[INFO] [stdout]   --> src/tests/slice_test.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn slice<T>(&self, s: &Slice<T>) -> &[T] {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 29 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "238d0d32a1e832ae3b6f2105a9f14b90123a462969521dc4ea919ca41c60ead5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "238d0d32a1e832ae3b6f2105a9f14b90123a462969521dc4ea919ca41c60ead5", kill_on_drop: false }`
[INFO] [stdout] 238d0d32a1e832ae3b6f2105a9f14b90123a462969521dc4ea919ca41c60ead5
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ccac911a1c6b54dffb95a13f47168b0be03a99076dbe1a73874226e4089c51c
[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" "5ccac911a1c6b54dffb95a13f47168b0be03a99076dbe1a73874226e4089c51c", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/buffer/arc_bytebuffer.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling bytebuffers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::ops::Range`
[INFO] [stdout]  --> src/tests/buffer_test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::Range;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/tests/buffer_test.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Buffer`, `ByteBuffer`, `IBuffer`
[INFO] [stdout]  --> src/tests/buffer_test.rs:3:29
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::buffer::buffer::{Buffer, IBuffer, ByteBuffer};
[INFO] [stdout]   |                             ^^^^^^  ^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::buffer::clone_bytebuffer::CloneByteBuffer`
[INFO] [stdout]  --> src/tests/buffer_test.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::buffer::clone_bytebuffer::CloneByteBuffer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::buffer::arc_bytebuffer::ArcByteBuffer`
[INFO] [stdout]  --> src/tests/buffer_test.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::buffer::arc_bytebuffer::ArcByteBuffer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `buffer::buffer::ByteBuffer::new`
[INFO] [stdout]    --> src/buffer/buffer.rs:252:14
[INFO] [stdout]     |
[INFO] [stdout] 252 |         self.new(mark, pos, limit, cap, 0)
[INFO] [stdout]     |              ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `buffer::buffer::Buffer::new`
[INFO] [stdout]    --> src/buffer/buffer.rs:258:16
[INFO] [stdout]     |
[INFO] [stdout] 258 |         buffer.new(mark, pos, limit, cap);
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `off`
[INFO] [stdout]   --> src/buffer/arc_bytebuffer.rs:80:71
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn new(buf: &[u8], mark: i32, pos: i32, limit: i32, cap: i32, off: i32) -> Self {
[INFO] [stdout]    |                                                                       ^^^ help: if this is intentional, prefix it with an underscore: `_off`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]    --> src/buffer/buffer.rs:256:70
[INFO] [stdout]     |
[INFO] [stdout] 256 |     pub fn new(&mut self, mark: i32, pos: i32, limit: i32, cap: i32, offset: i32) {
[INFO] [stdout]     |                                                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `off`
[INFO] [stdout]   --> src/buffer/clone_bytebuffer.rs:79:71
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn new(buf: &[u8], mark: i32, pos: i32, limit: i32, cap: i32, off: i32) -> Self {
[INFO] [stdout]    |                                                                       ^^^ help: if this is intentional, prefix it with an underscore: `_off`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/buffer/arc_bytebuffer.rs:154:13
[INFO] [stdout]     |
[INFO] [stdout] 154 |         let mut hb = Arc::clone(&self.hb);
[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/buffer/arc_bytebuffer.rs:188:13
[INFO] [stdout]     |
[INFO] [stdout] 188 |         let mut hb = Arc::clone(&self.hb);
[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/buffer/arc_bytebuffer.rs:237:13
[INFO] [stdout]     |
[INFO] [stdout] 237 |         let mut src_hb = Arc::clone(&heap_buffer.hb);
[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/buffer/clone_bytebuffer.rs:151:13
[INFO] [stdout]     |
[INFO] [stdout] 151 |         let mut hb = self.hb.get_mut();
[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/buffer/clone_bytebuffer.rs:167:13
[INFO] [stdout]     |
[INFO] [stdout] 167 |         let mut hb = self.hb.get_mut();
[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/buffer/clone_bytebuffer.rs:186:13
[INFO] [stdout]     |
[INFO] [stdout] 186 |         let mut hb = self.hb.get_mut();
[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/buffer/clone_bytebuffer.rs:207:13
[INFO] [stdout]     |
[INFO] [stdout] 207 |         let mut hb = self.hb.get_mut();
[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/buffer/clone_bytebuffer.rs:236:13
[INFO] [stdout]     |
[INFO] [stdout] 236 |         let mut src_hb = heap_buffer.hb.get_mut();
[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/buffer/clone_bytebuffer.rs:237:13
[INFO] [stdout]     |
[INFO] [stdout] 237 |         let mut hb = self.hb.get_mut();
[INFO] [stdout]     |             ----^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Slice`
[INFO] [stdout]  --> src/tests/slice_test.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Slice<T> {
[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/tests/slice_test.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new(offset: u32, len: u32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Header`
[INFO] [stdout]   --> src/tests/slice_test.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Header {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Data`
[INFO] [stdout]   --> src/tests/slice_test.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct Data<'a> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/tests/slice_test.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn new<B: Into<Cow<'a, [u8]>>>(bytes: B) -> Data<'a> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_target`
[INFO] [stdout]   --> src/tests/slice_test.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn get_target(&self, idx: usize) -> u32 {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `bytes`
[INFO] [stdout]   --> src/tests/slice_test.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn bytes(&self, start: usize, len: usize) -> *const u8 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `header`
[INFO] [stdout]   --> src/tests/slice_test.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn header(&self) -> &Header {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `slice`
[INFO] [stdout]   --> src/tests/slice_test.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn slice<T>(&self, s: &Slice<T>) -> &[T] {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 29 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/buffer/arc_bytebuffer.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Range`
[INFO] [stdout]  --> src/tests/buffer_test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::Range;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]   --> src/tests/slice_test.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |     use std::marker::PhantomData;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `buffer::buffer::ByteBuffer::new`
[INFO] [stdout]    --> src/buffer/buffer.rs:252:14
[INFO] [stdout]     |
[INFO] [stdout] 252 |         self.new(mark, pos, limit, cap, 0)
[INFO] [stdout]     |              ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `buffer::buffer::Buffer::new`
[INFO] [stdout]    --> src/buffer/buffer.rs:258:16
[INFO] [stdout]     |
[INFO] [stdout] 258 |         buffer.new(mark, pos, limit, cap);
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `off`
[INFO] [stdout]   --> src/buffer/arc_bytebuffer.rs:80:71
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn new(buf: &[u8], mark: i32, pos: i32, limit: i32, cap: i32, off: i32) -> Self {
[INFO] [stdout]    |                                                                       ^^^ help: if this is intentional, prefix it with an underscore: `_off`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]    --> src/buffer/buffer.rs:256:70
[INFO] [stdout]     |
[INFO] [stdout] 256 |     pub fn new(&mut self, mark: i32, pos: i32, limit: i32, cap: i32, offset: i32) {
[INFO] [stdout]     |                                                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `off`
[INFO] [stdout]   --> src/buffer/clone_bytebuffer.rs:79:71
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn new(buf: &[u8], mark: i32, pos: i32, limit: i32, cap: i32, off: i32) -> Self {
[INFO] [stdout]    |                                                                       ^^^ help: if this is intentional, prefix it with an underscore: `_off`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/buffer/arc_bytebuffer.rs:154:13
[INFO] [stdout]     |
[INFO] [stdout] 154 |         let mut hb = Arc::clone(&self.hb);
[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/buffer/arc_bytebuffer.rs:188:13
[INFO] [stdout]     |
[INFO] [stdout] 188 |         let mut hb = Arc::clone(&self.hb);
[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/buffer/arc_bytebuffer.rs:237:13
[INFO] [stdout]     |
[INFO] [stdout] 237 |         let mut src_hb = Arc::clone(&heap_buffer.hb);
[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/buffer/clone_bytebuffer.rs:151:13
[INFO] [stdout]     |
[INFO] [stdout] 151 |         let mut hb = self.hb.get_mut();
[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/buffer/clone_bytebuffer.rs:167:13
[INFO] [stdout]     |
[INFO] [stdout] 167 |         let mut hb = self.hb.get_mut();
[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/buffer/clone_bytebuffer.rs:186:13
[INFO] [stdout]     |
[INFO] [stdout] 186 |         let mut hb = self.hb.get_mut();
[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/buffer/clone_bytebuffer.rs:207:13
[INFO] [stdout]     |
[INFO] [stdout] 207 |         let mut hb = self.hb.get_mut();
[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/buffer/clone_bytebuffer.rs:236:13
[INFO] [stdout]     |
[INFO] [stdout] 236 |         let mut src_hb = heap_buffer.hb.get_mut();
[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/buffer/clone_bytebuffer.rs:237:13
[INFO] [stdout]     |
[INFO] [stdout] 237 |         let mut hb = self.hb.get_mut();
[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/tests/buffer_test.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let mut v = vec![1,2,3,4,5];
[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/tests/buffer_test.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let mut v1 = &v[0..2];
[INFO] [stdout]    |         ----^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Header`
[INFO] [stdout]   --> src/tests/slice_test.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Header {
[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: `get_target`
[INFO] [stdout]   --> src/tests/slice_test.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn get_target(&self, idx: usize) -> u32 {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `header`
[INFO] [stdout]   --> src/tests/slice_test.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn header(&self) -> &Header {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `Command { std: "docker" "inspect" "5ccac911a1c6b54dffb95a13f47168b0be03a99076dbe1a73874226e4089c51c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ccac911a1c6b54dffb95a13f47168b0be03a99076dbe1a73874226e4089c51c", kill_on_drop: false }`
[INFO] [stdout] 5ccac911a1c6b54dffb95a13f47168b0be03a99076dbe1a73874226e4089c51c
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", 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] 7b0e119f3379a8c3bea9d06016b2e411d6f7b3a94baabdd4b0500df7ae0eab81
[INFO] running `Command { std: "docker" "start" "-a" "7b0e119f3379a8c3bea9d06016b2e411d6f7b3a94baabdd4b0500df7ae0eab81", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `std::cell::RefCell`
[INFO] [stdout] running 12 tests
[INFO] [stderr]  --> src/buffer/arc_bytebuffer.rs:1:5
[INFO] [stdout] test bytebuffer::test::test_bb_new ... ok
[INFO] [stderr]   |
[INFO] [stdout] test tests::buffer_test::test_buffer_new ... ok
[INFO] [stderr] 1 | use std::cell::RefCell;
[INFO] [stdout] test tests::buffer_test::test_buffer_slice_arc ... ok
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] test tests::buffer_test::test_buffer_slice_refcell ... ok
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Range`
[INFO] [stderr]  --> src/tests/buffer_test.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ops::Range;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cell::RefCell`
[INFO] [stderr]  --> src/tests/buffer_test.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::cell::RefCell;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Buffer`, `ByteBuffer`, `IBuffer`
[INFO] [stderr]  --> src/tests/buffer_test.rs:3:29
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::buffer::buffer::{Buffer, IBuffer, ByteBuffer};
[INFO] [stderr]   |                             ^^^^^^  ^^^^^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::buffer::clone_bytebuffer::CloneByteBuffer`
[INFO] [stderr]  --> src/tests/buffer_test.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::buffer::clone_bytebuffer::CloneByteBuffer;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::buffer::arc_bytebuffer::ArcByteBuffer`
[INFO] [stderr]  --> src/tests/buffer_test.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::buffer::arc_bytebuffer::ArcByteBuffer;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `buffer::buffer::ByteBuffer::new`
[INFO] [stderr]    --> src/buffer/buffer.rs:252:14
[INFO] [stderr]     |
[INFO] [stderr] 252 |         self.new(mark, pos, limit, cap, 0)
[INFO] [stderr]     |              ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `buffer::buffer::Buffer::new`
[INFO] [stderr]    --> src/buffer/buffer.rs:258:16
[INFO] [stderr]     |
[INFO] [stderr] 258 |         buffer.new(mark, pos, limit, cap);
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `off`
[INFO] [stderr]   --> src/buffer/arc_bytebuffer.rs:80:71
[INFO] [stderr]    |
[INFO] [stderr] 80 |     pub fn new(buf: &[u8], mark: i32, pos: i32, limit: i32, cap: i32, off: i32) -> Self {
[INFO] [stderr]    |                                                                       ^^^ help: if this is intentional, prefix it with an underscore: `_off`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `offset`
[INFO] [stderr]    --> src/buffer/buffer.rs:256:70
[INFO] [stderr]     |
[INFO] [stderr] 256 |     pub fn new(&mut self, mark: i32, pos: i32, limit: i32, cap: i32, offset: i32) {
[INFO] [stderr]     |                                                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `off`
[INFO] [stderr]   --> src/buffer/clone_bytebuffer.rs:79:71
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub fn new(buf: &[u8], mark: i32, pos: i32, limit: i32, cap: i32, off: i32) -> Self {
[INFO] [stderr]    |                                                                       ^^^ help: if this is intentional, prefix it with an underscore: `_off`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/buffer/arc_bytebuffer.rs:154:13
[INFO] [stderr]     |
[INFO] [stderr] 154 |         let mut hb = Arc::clone(&self.hb);
[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/buffer/arc_bytebuffer.rs:188:13
[INFO] [stderr]     |
[INFO] [stderr] 188 |         let mut hb = Arc::clone(&self.hb);
[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/buffer/arc_bytebuffer.rs:237:13
[INFO] [stderr]     |
[INFO] [stderr] 237 |         let mut src_hb = Arc::clone(&heap_buffer.hb);
[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/buffer/clone_bytebuffer.rs:151:13
[INFO] [stderr]     |
[INFO] [stderr] 151 |         let mut hb = self.hb.get_mut();
[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/buffer/clone_bytebuffer.rs:167:13
[INFO] [stderr]     |
[INFO] [stderr] 167 |         let mut hb = self.hb.get_mut();
[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/buffer/clone_bytebuffer.rs:186:13
[INFO] [stderr]     |
[INFO] [stderr] 186 |         let mut hb = self.hb.get_mut();
[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/buffer/clone_bytebuffer.rs:207:13
[INFO] [stderr]     |
[INFO] [stderr] 207 |         let mut hb = self.hb.get_mut();
[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/buffer/clone_bytebuffer.rs:236:13
[INFO] [stderr]     |
[INFO] [stderr] 236 |         let mut src_hb = heap_buffer.hb.get_mut();
[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/buffer/clone_bytebuffer.rs:237:13
[INFO] [stderr]     |
[INFO] [stderr] 237 |         let mut hb = self.hb.get_mut();
[INFO] [stderr]     |             ----^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Slice`
[INFO] [stderr]  --> src/tests/slice_test.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | struct Slice<T> {
[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/tests/slice_test.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn new(offset: u32, len: u32) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Header`
[INFO] [stderr]   --> src/tests/slice_test.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 22 | struct Header {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Data`
[INFO] [stderr]   --> src/tests/slice_test.rs:26:12
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub struct Data<'a> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/tests/slice_test.rs:31:12
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn new<B: Into<Cow<'a, [u8]>>>(bytes: B) -> Data<'a> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_target`
[INFO] [stderr]   --> src/tests/slice_test.rs:35:12
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn get_target(&self, idx: usize) -> u32 {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `bytes`
[INFO] [stderr]   --> src/tests/slice_test.rs:39:8
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn bytes(&self, start: usize, len: usize) -> *const u8 {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `header`
[INFO] [stderr]   --> src/tests/slice_test.rs:44:8
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn header(&self) -> &Header {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `slice`
[INFO] [stderr]   --> src/tests/slice_test.rs:48:8
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn slice<T>(&self, s: &Slice<T>) -> &[T] {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 29 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cell::RefCell`
[INFO] [stderr]  --> src/buffer/arc_bytebuffer.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::cell::RefCell;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Range`
[INFO] [stderr]  --> src/tests/buffer_test.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ops::Range;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::marker::PhantomData`
[INFO] [stderr]   --> src/tests/slice_test.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 |     use std::marker::PhantomData;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `buffer::buffer::ByteBuffer::new`
[INFO] [stderr]    --> src/buffer/buffer.rs:252:14
[INFO] [stderr]     |
[INFO] [stderr] 252 |         self.new(mark, pos, limit, cap, 0)
[INFO] [stderr]     |              ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `buffer::buffer::Buffer::new`
[INFO] [stderr]    --> src/buffer/buffer.rs:258:16
[INFO] [stderr]     |
[INFO] [stderr] 258 |         buffer.new(mark, pos, limit, cap);
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `off`
[INFO] [stderr]   --> src/buffer/arc_bytebuffer.rs:80:71
[INFO] [stderr]    |
[INFO] [stderr] 80 |     pub fn new(buf: &[u8], mark: i32, pos: i32, limit: i32, cap: i32, off: i32) -> Self {
[INFO] [stderr]    |                                                                       ^^^ help: if this is intentional, prefix it with an underscore: `_off`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `offset`
[INFO] [stderr]    --> src/buffer/buffer.rs:256:70
[INFO] [stderr]     |
[INFO] [stderr] 256 |     pub fn new(&mut self, mark: i32, pos: i32, limit: i32, cap: i32, offset: i32) {
[INFO] [stderr]     |                                                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `off`
[INFO] [stderr]   --> src/buffer/clone_bytebuffer.rs:79:71
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub fn new(buf: &[u8], mark: i32, pos: i32, limit: i32, cap: i32, off: i32) -> Self {
[INFO] [stderr]    |                                                                       ^^^ help: if this is intentional, prefix it with an underscore: `_off`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/buffer/arc_bytebuffer.rs:154:13
[INFO] [stderr]     |
[INFO] [stderr] 154 |         let mut hb = Arc::clone(&self.hb);
[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/buffer/arc_bytebuffer.rs:188:13
[INFO] [stderr]     |
[INFO] [stderr] 188 |         let mut hb = Arc::clone(&self.hb);
[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/buffer/arc_bytebuffer.rs:237:13
[INFO] [stderr]     |
[INFO] [stderr] 237 |         let mut src_hb = Arc::clone(&heap_buffer.hb);
[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/buffer/clone_bytebuffer.rs:151:13
[INFO] [stderr]     |
[INFO] [stderr] 151 |         let mut hb = self.hb.get_mut();
[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/buffer/clone_bytebuffer.rs:167:13
[INFO] [stderr]     |
[INFO] [stderr] 167 |         let mut hb = self.hb.get_mut();
[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/buffer/clone_bytebuffer.rs:186:13
[INFO] [stderr]     |
[INFO] [stderr] 186 |         let mut hb = self.hb.get_mut();
[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/buffer/clone_bytebuffer.rs:207:13
[INFO] [stderr]     |
[INFO] [stderr] 207 |         let mut hb = self.hb.get_mut();
[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/buffer/clone_bytebuffer.rs:236:13
[INFO] [stderr]     |
[INFO] [stderr] 236 |         let mut src_hb = heap_buffer.hb.get_mut();
[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/buffer/clone_bytebuffer.rs:237:13
[INFO] [stderr]     |
[INFO] [stderr] 237 |         let mut hb = self.hb.get_mut();
[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/tests/buffer_test.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |     let mut v = vec![1,2,3,4,5];
[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/tests/buffer_test.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 |     let mut v1 = &v[0..2];
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Header`
[INFO] [stderr]   --> src/tests/slice_test.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 22 | struct Header {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_target`
[INFO] [stderr]   --> src/tests/slice_test.rs:35:12
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn get_target(&self, idx: usize) -> u32 {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `header`
[INFO] [stderr]   --> src/tests/slice_test.rs:44:8
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn header(&self) -> &Header {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 22 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bytebuffers-51433211546bd70a
[INFO] [stdout] test tests::buffer_test::test_ops_vec ... ok
[INFO] [stdout] test tests::slice_test::test::test_slice1 ... ok
[INFO] [stdout] test bytebuffer::test::test_bb_empty ... ok
[INFO] [stdout] test tests::buffer_test::test_buffer_slice ... ok
[INFO] [stdout] test bytebuffer::test::test_bb_access ... ok
[INFO] [stdout] test tests::slice_test::test::test_work ... ok
[INFO] [stdout] test tests::buffer_test::test_buffer_get_put ... ok
[INFO] [stdout] test tests::buffer_test::test_arc ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bytebuffers
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7b0e119f3379a8c3bea9d06016b2e411d6f7b3a94baabdd4b0500df7ae0eab81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b0e119f3379a8c3bea9d06016b2e411d6f7b3a94baabdd4b0500df7ae0eab81", kill_on_drop: false }`
[INFO] [stdout] 7b0e119f3379a8c3bea9d06016b2e411d6f7b3a94baabdd4b0500df7ae0eab81