[INFO] cloning repository https://github.com/brianshih1/mini-iobuf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brianshih1/mini-iobuf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrianshih1%2Fmini-iobuf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrianshih1%2Fmini-iobuf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8ca08f655c27ba36e5a8eb15c8ff966c3312dcce
[INFO] building brianshih1/mini-iobuf against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrianshih1%2Fmini-iobuf" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/brianshih1/mini-iobuf on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/brianshih1/mini-iobuf
[INFO] finished tweaking git repo https://github.com/brianshih1/mini-iobuf
[INFO] tweaked toml for git repo https://github.com/brianshih1/mini-iobuf written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/brianshih1/mini-iobuf 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded intrusive-collections v0.9.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ffbc189aba454c2c55139d569e9be850f94316857c3fc9b8f3ed989650664e1
[INFO] running `Command { std: "docker" "start" "-a" "7ffbc189aba454c2c55139d569e9be850f94316857c3fc9b8f3ed989650664e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ffbc189aba454c2c55139d569e9be850f94316857c3fc9b8f3ed989650664e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ffbc189aba454c2c55139d569e9be850f94316857c3fc9b8f3ed989650664e1", kill_on_drop: false }`
[INFO] [stdout] 7ffbc189aba454c2c55139d569e9be850f94316857c3fc9b8f3ed989650664e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f40f1b18487bc70fd97fd7b6c4fd78abf07d8cb74c1a9e425f2d1ccd9b2b2ad9
[INFO] running `Command { std: "docker" "start" "-a" "f40f1b18487bc70fd97fd7b6c4fd78abf07d8cb74c1a9e425f2d1ccd9b2b2ad9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling intrusive-collections v0.9.5
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling mini-iobuf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `LinkedList` and `intrusive_adapter`
[INFO] [stdout]  --> src/io_fragment.rs:4:29
[INFO] [stdout]   |
[INFO] [stdout] 4 | use intrusive_collections::{intrusive_adapter, LinkedList, LinkedListLink};
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `linked_list::Iter`
[INFO] [stdout]  --> src/iobuf.rs:1:48
[INFO] [stdout]   |
[INFO] [stdout] 1 | use intrusive_collections::{intrusive_adapter, linked_list::Iter, LinkedList, LinkedListLink};
[INFO] [stdout]   |                                                ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Arc`
[INFO] [stdout]  --> src/temporary_buffer.rs:6:33
[INFO] [stdout]   |
[INFO] [stdout] 6 |     sync::{atomic::AtomicUsize, Arc},
[INFO] [stdout]   |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `io_iterator_consumer::IoIteratorConsumer` and `iobuf::IoBuf`
[INFO] [stdout]  --> src/tests/io_iterator_consumer_test.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{io_iterator_consumer::IoIteratorConsumer, iobuf::IoBuf};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> src/tests/mod.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod io_iterator_consumer_test;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::utils::generate_random_u8_vec`
[INFO] [stdout]  --> src/tests/io_iterator_consumer_test.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::utils::generate_random_u8_vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> src/tests/mod.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod io_iterator_consumer_test;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::iobuf::IoBuf`
[INFO] [stdout]  --> src/tests/iobuf_test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::iobuf::IoBuf;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> src/tests/mod.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | mod iobuf_test;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::utils::generate_random_u8_vec`
[INFO] [stdout]  --> src/tests/iobuf_test.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::utils::generate_random_u8_vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> src/tests/mod.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | mod iobuf_test;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::temporary_buffer::TemporaryBuffer`
[INFO] [stdout]  --> src/tests/temporary_buffer_test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::temporary_buffer::TemporaryBuffer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> src/tests/mod.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | mod temporary_buffer_test;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Add`
[INFO] [stdout]  --> src/io_iterator_consumer.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::Add;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/io_iterator_consumer.rs:73:24
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn skip(&self, n: usize) -> () {}
[INFO] [stdout]    |                        ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/temporary_buffer.rs:38:30
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn new_and_copy_data(data: *mut u8, size: usize) -> Self {
[INFO] [stdout]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]   --> src/temporary_buffer.rs:38:45
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn new_and_copy_data(data: *mut u8, size: usize) -> Self {
[INFO] [stdout]    |                                             ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_write` is never used
[INFO] [stdout]   --> src/io_fragment.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl IoFragment {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 43 |     fn get_write(&self) -> *mut u8 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_random_u8_vec` is never used
[INFO] [stdout]  --> src/tests/utils.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn generate_random_u8_vec(size: usize) -> Vec<u8> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "f40f1b18487bc70fd97fd7b6c4fd78abf07d8cb74c1a9e425f2d1ccd9b2b2ad9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f40f1b18487bc70fd97fd7b6c4fd78abf07d8cb74c1a9e425f2d1ccd9b2b2ad9", kill_on_drop: false }`
[INFO] [stdout] f40f1b18487bc70fd97fd7b6c4fd78abf07d8cb74c1a9e425f2d1ccd9b2b2ad9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45b9e05e8a1e142b63e9441a9eb28002a152c027d0ea86388f86df8feebfb511
[INFO] running `Command { std: "docker" "start" "-a" "45b9e05e8a1e142b63e9441a9eb28002a152c027d0ea86388f86df8feebfb511", kill_on_drop: false }`
[INFO] [stdout] warning: unused imports: `LinkedList` and `intrusive_adapter`
[INFO] [stdout]  --> src/io_fragment.rs:4:29
[INFO] [stdout]   |
[INFO] [stdout] 4 | use intrusive_collections::{intrusive_adapter, LinkedList, LinkedListLink};
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `linked_list::Iter`
[INFO] [stdout]  --> src/iobuf.rs:1:48
[INFO] [stdout]   |
[INFO] [stdout] 1 | use intrusive_collections::{intrusive_adapter, linked_list::Iter, LinkedList, LinkedListLink};
[INFO] [stdout]   |                                                ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Arc`
[INFO] [stdout]  --> src/temporary_buffer.rs:6:33
[INFO] [stdout]   |
[INFO] [stdout] 6 |     sync::{atomic::AtomicUsize, Arc},
[INFO] [stdout]   |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `io_iterator_consumer::IoIteratorConsumer` and `iobuf::IoBuf`
[INFO] [stdout]  --> src/tests/io_iterator_consumer_test.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{io_iterator_consumer::IoIteratorConsumer, iobuf::IoBuf};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> src/tests/mod.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod io_iterator_consumer_test;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::utils::generate_random_u8_vec`
[INFO] [stdout]  --> src/tests/io_iterator_consumer_test.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::utils::generate_random_u8_vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> src/tests/mod.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod io_iterator_consumer_test;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::iobuf::IoBuf`
[INFO] [stdout]  --> src/tests/iobuf_test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::iobuf::IoBuf;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> src/tests/mod.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | mod iobuf_test;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::utils::generate_random_u8_vec`
[INFO] [stdout]  --> src/tests/iobuf_test.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::utils::generate_random_u8_vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> src/tests/mod.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | mod iobuf_test;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::temporary_buffer::TemporaryBuffer`
[INFO] [stdout]  --> src/tests/temporary_buffer_test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::temporary_buffer::TemporaryBuffer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> src/tests/mod.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | mod temporary_buffer_test;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Add`
[INFO] [stdout]  --> src/io_iterator_consumer.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::Add;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/io_iterator_consumer.rs:73:24
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn skip(&self, n: usize) -> () {}
[INFO] [stdout]    |                        ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/temporary_buffer.rs:38:30
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn new_and_copy_data(data: *mut u8, size: usize) -> Self {
[INFO] [stdout]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mini-iobuf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]   --> src/temporary_buffer.rs:38:45
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn new_and_copy_data(data: *mut u8, size: usize) -> Self {
[INFO] [stdout]    |                                             ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_write` is never used
[INFO] [stdout]   --> src/io_fragment.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl IoFragment {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 43 |     fn get_write(&self) -> *mut u8 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_random_u8_vec` is never used
[INFO] [stdout]  --> src/tests/utils.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn generate_random_u8_vec(size: usize) -> Vec<u8> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `LinkedList` and `intrusive_adapter`
[INFO] [stdout]  --> src/io_fragment.rs:4:29
[INFO] [stdout]   |
[INFO] [stdout] 4 | use intrusive_collections::{intrusive_adapter, LinkedList, LinkedListLink};
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `linked_list::Iter`
[INFO] [stdout]  --> src/iobuf.rs:1:48
[INFO] [stdout]   |
[INFO] [stdout] 1 | use intrusive_collections::{intrusive_adapter, linked_list::Iter, LinkedList, LinkedListLink};
[INFO] [stdout]   |                                                ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Arc`
[INFO] [stdout]  --> src/temporary_buffer.rs:6:33
[INFO] [stdout]   |
[INFO] [stdout] 6 |     sync::{atomic::AtomicUsize, Arc},
[INFO] [stdout]   |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Add`
[INFO] [stdout]  --> src/io_iterator_consumer.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::Add;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/io_iterator_consumer.rs:73:24
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn skip(&self, n: usize) -> () {}
[INFO] [stdout]    |                        ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/temporary_buffer.rs:38:30
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn new_and_copy_data(data: *mut u8, size: usize) -> Self {
[INFO] [stdout]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]   --> src/temporary_buffer.rs:38:45
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn new_and_copy_data(data: *mut u8, size: usize) -> Self {
[INFO] [stdout]    |                                             ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `second`
[INFO] [stdout]  --> src/tests/temporary_buffer_test.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |         let second = buffer.share();
[INFO] [stdout]   |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_second`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `slice`
[INFO] [stdout]   --> src/tests/temporary_buffer_test.rs:11:17
[INFO] [stdout]    |
[INFO] [stdout] 11 |             let slice = buffer.share_slice(0, 3);
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_slice`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_write` is never used
[INFO] [stdout]   --> src/io_fragment.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl IoFragment {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 43 |     fn get_write(&self) -> *mut u8 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "45b9e05e8a1e142b63e9441a9eb28002a152c027d0ea86388f86df8feebfb511", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45b9e05e8a1e142b63e9441a9eb28002a152c027d0ea86388f86df8feebfb511", kill_on_drop: false }`
[INFO] [stdout] 45b9e05e8a1e142b63e9441a9eb28002a152c027d0ea86388f86df8feebfb511