[INFO] cloning repository https://github.com/thomasbarrett/nvme-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thomasbarrett/nvme-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomasbarrett%2Fnvme-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomasbarrett%2Fnvme-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b888bbf0323f3e68a350a7447a064380399fa297
[INFO] checking thomasbarrett/nvme-rs against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomasbarrett%2Fnvme-rs" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/thomasbarrett/nvme-rs
[INFO] finished tweaking git repo https://github.com/thomasbarrett/nvme-rs
[INFO] tweaked toml for git repo https://github.com/thomasbarrett/nvme-rs written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/thomasbarrett/nvme-rs on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/thomasbarrett/nvme-rs 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0213cbefe6417622d97f3113e458689e217abf5cbd28a45d8827fa556b5c8323
[INFO] running `Command { std: "docker" "start" "-a" "0213cbefe6417622d97f3113e458689e217abf5cbd28a45d8827fa556b5c8323", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0213cbefe6417622d97f3113e458689e217abf5cbd28a45d8827fa556b5c8323", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0213cbefe6417622d97f3113e458689e217abf5cbd28a45d8827fa556b5c8323", kill_on_drop: false }`
[INFO] [stdout] 0213cbefe6417622d97f3113e458689e217abf5cbd28a45d8827fa556b5c8323
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63045f1cc96fb64672d2c2c57ad115da5b07c5048cd9a5411ccf9600dd218bcd
[INFO] running `Command { std: "docker" "start" "-a" "63045f1cc96fb64672d2c2c57ad115da5b07c5048cd9a5411ccf9600dd218bcd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling thiserror v1.0.48
[INFO] [stderr]     Checking vfio-bindings v0.4.0 (https://github.com/rust-vmm/vfio?branch=main#847b0aa5)
[INFO] [stderr]     Checking vmm-sys-util v0.11.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.31
[INFO] [stderr]    Compiling thiserror-impl v1.0.48
[INFO] [stderr]    Compiling zerocopy-derive v0.7.3
[INFO] [stderr]     Checking zerocopy v0.7.3
[INFO] [stderr]     Checking vm-memory v0.12.2
[INFO] [stderr]     Checking vfio-ioctls v0.2.0 (https://github.com/rust-vmm/vfio?branch=main#847b0aa5)
[INFO] [stderr]     Checking nvme-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::marker::PhantomData;
[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: `null`
[INFO] [stdout]  --> src/main.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ptr::{null, null_mut};
[INFO] [stdout]   |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::marker::PhantomData;
[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: `null`
[INFO] [stdout]  --> src/main.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ptr::{null, null_mut};
[INFO] [stdout]   |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Layout`, `alloc_zeroed`, and `dealloc`
[INFO] [stdout]  --> src/main.rs:9:18
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::alloc::{alloc_zeroed, dealloc, Layout};
[INFO] [stdout]   |                  ^^^^^^^^^^^^  ^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Layout`, `alloc_zeroed`, and `dealloc`
[INFO] [stdout]  --> src/main.rs:9:18
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::alloc::{alloc_zeroed, dealloc, Layout};
[INFO] [stdout]   |                  ^^^^^^^^^^^^  ^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nsid`
[INFO] [stdout]    --> src/main.rs:143:31
[INFO] [stdout]     |
[INFO] [stdout] 143 | fn create_write_sqe(cid: u32, nsid: u32, slba: u64, nlb: u16, dptr: [u8; 16]) -> SQE {
[INFO] [stdout]     |                               ^^^^ help: if this is intentional, prefix it with an underscore: `_nsid`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nsid`
[INFO] [stdout]    --> src/main.rs:143:31
[INFO] [stdout]     |
[INFO] [stdout] 143 | fn create_write_sqe(cid: u32, nsid: u32, slba: u64, nlb: u16, dptr: [u8; 16]) -> SQE {
[INFO] [stdout]     |                               ^^^^ help: if this is intentional, prefix it with an underscore: `_nsid`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:273:13
[INFO] [stdout]     |
[INFO] [stdout] 273 |         let mut inner = Queue::new(ctlr.clone(), 0, size)?;
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:273:13
[INFO] [stdout]     |
[INFO] [stdout] 273 |         let mut inner = Queue::new(ctlr.clone(), 0, size)?;
[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: enum `SGLDescriptorType` is never used
[INFO] [stdout]   --> src/main.rs:12:6
[INFO] [stdout]    |
[INFO] [stdout] 12 | enum SGLDescriptorType {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `cid` and `phase` are never used
[INFO] [stdout]    --> src/main.rs:96:8
[INFO] [stdout]     |
[INFO] [stdout]  95 | impl CQE {
[INFO] [stdout]     | -------- methods in this implementation
[INFO] [stdout]  96 |     fn cid(&self) -> u16 {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 |     fn phase(&self) -> u8 {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `DeleteIOSubmissionQueue` and `DeleteIOCompletionQueue` are never constructed
[INFO] [stdout]    --> src/main.rs:110:5
[INFO] [stdout]     |
[INFO] [stdout] 109 | enum AdminOpcode {
[INFO] [stdout]     |      ----------- variants in this enum
[INFO] [stdout] 110 |     DeleteIOSubmissionQueue = 0x00,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 111 |     CreateIOSubmissionQueue = 0x01,
[INFO] [stdout] 112 |     DeleteIOCompletionQueue = 0x04,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `CreateIOCompletionQueueStatus` is never used
[INFO] [stdout]    --> src/main.rs:116:6
[INFO] [stdout]     |
[INFO] [stdout] 116 | enum CreateIOCompletionQueueStatus {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Flush` is never constructed
[INFO] [stdout]    --> src/main.rs:123:5
[INFO] [stdout]     |
[INFO] [stdout] 122 | enum NVMOpcode {
[INFO] [stdout]     |      --------- variant in this enum
[INFO] [stdout] 123 |     Flush = 0x00,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SECTOR_SIZE` is never used
[INFO] [stdout]    --> src/main.rs:140:7
[INFO] [stdout]     |
[INFO] [stdout] 140 | const SECTOR_SIZE: usize = 512;
[INFO] [stdout]     |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `CreateIOSubmissionQueueStatus` is never used
[INFO] [stdout]    --> src/main.rs:171:6
[INFO] [stdout]     |
[INFO] [stdout] 171 | enum CreateIOSubmissionQueueStatus {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SGLDescriptorType` is never used
[INFO] [stdout]   --> src/main.rs:12:6
[INFO] [stdout]    |
[INFO] [stdout] 12 | enum SGLDescriptorType {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `submit` is never used
[INFO] [stdout]    --> src/main.rs:334:8
[INFO] [stdout]     |
[INFO] [stdout] 271 | impl AdminQueue {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 334 |     fn submit(&mut self) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `cid` and `phase` are never used
[INFO] [stdout]    --> src/main.rs:96:8
[INFO] [stdout]     |
[INFO] [stdout]  95 | impl CQE {
[INFO] [stdout]     | -------- methods in this implementation
[INFO] [stdout]  96 |     fn cid(&self) -> u16 {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 |     fn phase(&self) -> u8 {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `DeleteIOSubmissionQueue` and `DeleteIOCompletionQueue` are never constructed
[INFO] [stdout]    --> src/main.rs:110:5
[INFO] [stdout]     |
[INFO] [stdout] 109 | enum AdminOpcode {
[INFO] [stdout]     |      ----------- variants in this enum
[INFO] [stdout] 110 |     DeleteIOSubmissionQueue = 0x00,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 111 |     CreateIOSubmissionQueue = 0x01,
[INFO] [stdout] 112 |     DeleteIOCompletionQueue = 0x04,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `CreateIOCompletionQueueStatus` is never used
[INFO] [stdout]    --> src/main.rs:116:6
[INFO] [stdout]     |
[INFO] [stdout] 116 | enum CreateIOCompletionQueueStatus {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Flush` is never constructed
[INFO] [stdout]    --> src/main.rs:123:5
[INFO] [stdout]     |
[INFO] [stdout] 122 | enum NVMOpcode {
[INFO] [stdout]     |      --------- variant in this enum
[INFO] [stdout] 123 |     Flush = 0x00,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SECTOR_SIZE` is never used
[INFO] [stdout]    --> src/main.rs:140:7
[INFO] [stdout]     |
[INFO] [stdout] 140 | const SECTOR_SIZE: usize = 512;
[INFO] [stdout]     |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `CreateIOSubmissionQueueStatus` is never used
[INFO] [stdout]    --> src/main.rs:171:6
[INFO] [stdout]     |
[INFO] [stdout] 171 | enum CreateIOSubmissionQueueStatus {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `submit` is never used
[INFO] [stdout]    --> src/main.rs:334:8
[INFO] [stdout]     |
[INFO] [stdout] 271 | impl AdminQueue {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 334 |     fn submit(&mut self) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u32, Infallible>
[INFO] [stdout]    --> src/main.rs:276:25
[INFO] [stdout]     |
[INFO] [stdout] 276 |         let asqs: u32 = TryInto::<u32>::try_into(size).unwrap() - 1;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u32, Infallible>
[INFO] [stdout]    --> src/main.rs:276:25
[INFO] [stdout]     |
[INFO] [stdout] 276 |         let asqs: u32 = TryInto::<u32>::try_into(size).unwrap() - 1;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u32, Infallible>
[INFO] [stdout]    --> src/main.rs:277:25
[INFO] [stdout]     |
[INFO] [stdout] 277 |         let acqs: u32 = TryInto::<u32>::try_into(size).unwrap() - 1;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u32, Infallible>
[INFO] [stdout]    --> src/main.rs:277:25
[INFO] [stdout]     |
[INFO] [stdout] 277 |         let acqs: u32 = TryInto::<u32>::try_into(size).unwrap() - 1;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nvme-rs` (bin "nvme-rs" test) due to 2 previous errors; 13 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `nvme-rs` (bin "nvme-rs") due to 2 previous errors; 13 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "63045f1cc96fb64672d2c2c57ad115da5b07c5048cd9a5411ccf9600dd218bcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63045f1cc96fb64672d2c2c57ad115da5b07c5048cd9a5411ccf9600dd218bcd", kill_on_drop: false }`
[INFO] [stdout] 63045f1cc96fb64672d2c2c57ad115da5b07c5048cd9a5411ccf9600dd218bcd
