[INFO] cloning repository https://github.com/redox-os/drivers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/redox-os/drivers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredox-os%2Fdrivers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredox-os%2Fdrivers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ed5257e23f81be79aa2438c58435974585d50282
[INFO] testing redox-os/drivers against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredox-os%2Fdrivers" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/redox-os/drivers on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/redox-os/drivers
[INFO] finished tweaking git repo https://github.com/redox-os/drivers
[INFO] tweaked toml for git repo https://github.com/redox-os/drivers written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/redox-os/drivers already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://gitlab.redox-os.org/redox-os/orbclient.git`
[INFO] [stderr]     Updating git repository `https://gitlab.redox-os.org/redox-os/partitionlib.git`
[INFO] [stderr]     Updating git repository `https://gitlab.redox-os.org/redox-os/gpt`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ux v0.1.4
[INFO] [stderr]   Downloaded redox-log v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95b2e0ab6436a5bc565138faa7fc0911ab1ee320051a3e2b37e155cff9873227
[INFO] running `Command { std: "docker" "start" "-a" "95b2e0ab6436a5bc565138faa7fc0911ab1ee320051a3e2b37e155cff9873227", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95b2e0ab6436a5bc565138faa7fc0911ab1ee320051a3e2b37e155cff9873227", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95b2e0ab6436a5bc565138faa7fc0911ab1ee320051a3e2b37e155cff9873227", kill_on_drop: false }`
[INFO] [stdout] 95b2e0ab6436a5bc565138faa7fc0911ab1ee320051a3e2b37e155cff9873227
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bcee4f961d450b8adff0f8250e7fd7f8e0fe9eb6f8c6532d5b6ee40565fa498
[INFO] running `Command { std: "docker" "start" "-a" "4bcee4f961d450b8adff0f8250e7fd7f8e0fe9eb6f8c6532d5b6ee40565fa498", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling version-compare v0.1.0
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling paw-raw v1.0.0
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling cty v0.2.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling plain v0.2.3
[INFO] [stderr]    Compiling sdl2 v0.35.2
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling lazycell v0.6.0
[INFO] [stderr]    Compiling arg_parser v0.1.0 (https://gitlab.redox-os.org/redox-os/arg-parser.git#1c434b55)
[INFO] [stderr]    Compiling extra v0.1.0 (https://gitlab.redox-os.org/redox-os/libextra.git#cf213969)
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling utf8parse v0.1.1
[INFO] [stderr]    Compiling block-io-wrapper v0.1.0 (/opt/rustwide/workdir/block-io-wrapper)
[INFO] [stderr]    Compiling base64 v0.11.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling ux v0.1.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling cmake v0.1.48
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling raw-window-handle v0.4.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling vte v0.3.3
[INFO] [stderr]    Compiling lock_api v0.4.6
[INFO] [stderr]    Compiling spin v0.9.2
[INFO] [stderr]    Compiling sdl2-sys v0.35.2
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling ransid v0.4.8
[INFO] [stderr]    Compiling redox_syscall v0.2.12
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling quote v1.0.16
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling termion v1.5.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling raw-window-handle v0.3.4
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling net2 v0.2.37 (https://gitlab.redox-os.org/redox-os/net2-rs.git?branch=master#db0604dc)
[INFO] [stderr]    Compiling redox_event v0.1.0 (https://gitlab.redox-os.org/redox-os/event.git#228eb071)
[INFO] [stderr]    Compiling redox_termios v0.1.2
[INFO] [stderr]    Compiling pcspkrd v0.1.0 (/opt/rustwide/workdir/pcspkrd)
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling mio v0.6.14 (https://gitlab.redox-os.org/redox-os/mio.git?branch=redox-unix#c9a70849)
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling ntpclient v0.0.1 (https://github.com/willem66745/ntpclient-rust#7e3bdf60)
[INFO] [stderr]    Compiling pbr v1.0.4
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling netutils v0.1.0 (https://gitlab.redox-os.org/redox-os/netutils.git?branch=redox-unix#c5d6d209)
[INFO] [stderr]    Compiling parking_lot v0.4.8
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling chashmap v2.2.2
[INFO] [stderr]    Compiling e1000d v0.1.0 (/opt/rustwide/workdir/e1000d)
[INFO] [stderr]    Compiling rtl8168d v0.1.0 (/opt/rustwide/workdir/rtl8168d)
[INFO] [stderr]    Compiling ixgbed v1.0.0 (/opt/rustwide/workdir/ixgbed)
[INFO] [stderr]    Compiling alxd v0.1.0 (/opt/rustwide/workdir/alxd)
[INFO] [stdout] warning: unused import: `CloneFlags`
[INFO] [stdout]   --> e1000d/src/main.rs:13:15
[INFO] [stdout]    |
[INFO] [stdout] 13 | use syscall::{CloneFlags, EventFlags, Packet, SchemeBlockMut, PHYSMAP_NO_CACHE, PHYSMAP_WRITE};
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `goto_out`
[INFO] [stdout]     --> alxd/src/device/mod.rs:1725:22
[INFO] [stdout]      |
[INFO] [stdout] 1725 |         macro_rules! goto_out {
[INFO] [stdout]      |                      ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `CloneFlags`
[INFO] [stdout]   --> rtl8168d/src/main.rs:13:15
[INFO] [stdout]    |
[INFO] [stdout] 13 | use syscall::{CloneFlags, EventFlags, Packet, SchemeBlockMut, PHYSMAP_NO_CACHE, PHYSMAP_WRITE};
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> ixgbed/src/ixgbe.rs:11:51
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub const IXGBE_CTRL_RST_MASK: u32              = (IXGBE_CTRL_LNK_RST | IXGBE_CTRL_RST);
[INFO] [stdout]    |                                                   ^                                   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 11 - pub const IXGBE_CTRL_RST_MASK: u32              = (IXGBE_CTRL_LNK_RST | IXGBE_CTRL_RST);
[INFO] [stdout] 11 + pub const IXGBE_CTRL_RST_MASK: u32              = IXGBE_CTRL_LNK_RST | IXGBE_CTRL_RST;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> ixgbed/src/ixgbe.rs:21:51
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub const IXGBE_AUTOC_LMS_MASK: u32             = (0x7 << IXGBE_AUTOC_LMS_SHIFT);
[INFO] [stdout]    |                                                   ^                            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 21 - pub const IXGBE_AUTOC_LMS_MASK: u32             = (0x7 << IXGBE_AUTOC_LMS_SHIFT);
[INFO] [stdout] 21 + pub const IXGBE_AUTOC_LMS_MASK: u32             = 0x7 << IXGBE_AUTOC_LMS_SHIFT;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> ixgbed/src/ixgbe.rs:22:51
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub const IXGBE_AUTOC_LMS_10G_SERIAL: u32       = (0x3 << IXGBE_AUTOC_LMS_SHIFT);
[INFO] [stdout]    |                                                   ^                            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 22 - pub const IXGBE_AUTOC_LMS_10G_SERIAL: u32       = (0x3 << IXGBE_AUTOC_LMS_SHIFT);
[INFO] [stdout] 22 + pub const IXGBE_AUTOC_LMS_10G_SERIAL: u32       = 0x3 << IXGBE_AUTOC_LMS_SHIFT;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> ixgbed/src/ixgbe.rs:25:51
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub const IXGBE_AUTOC_10G_XAUI: u32             = (0x0 << IXGBE_AUTOC_10G_PMA_PMD_SHIFT);
[INFO] [stdout]    |                                                   ^                                    ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 25 - pub const IXGBE_AUTOC_10G_XAUI: u32             = (0x0 << IXGBE_AUTOC_10G_PMA_PMD_SHIFT);
[INFO] [stdout] 25 + pub const IXGBE_AUTOC_10G_XAUI: u32             = 0x0 << IXGBE_AUTOC_10G_PMA_PMD_SHIFT;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> ixgbed/src/ixgbe.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     (0x03C00 + (i * 4))
[INFO] [stdout]    |     ^                 ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 39 -     (0x03C00 + (i * 4))
[INFO] [stdout] 39 +     0x03C00 + (i * 4)
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> ixgbed/src/ixgbe.rs:117:5
[INFO] [stdout]     |
[INFO] [stdout] 117 |     (0x0CC00 + (i * 4))
[INFO] [stdout]     |     ^                 ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 117 -     (0x0CC00 + (i * 4))
[INFO] [stdout] 117 +     0x0CC00 + (i * 4)
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> ixgbed/src/ixgbe.rs:126:5
[INFO] [stdout]     |
[INFO] [stdout] 126 |     (0x06000 + (i * 0x40))
[INFO] [stdout]     |     ^                    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 126 -     (0x06000 + (i * 0x40))
[INFO] [stdout] 126 +     0x06000 + (i * 0x40)
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> ixgbed/src/ixgbe.rs:129:5
[INFO] [stdout]     |
[INFO] [stdout] 129 |     (0x06004 + (i * 0x40))
[INFO] [stdout]     |     ^                    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 129 -     (0x06004 + (i * 0x40))
[INFO] [stdout] 129 +     0x06004 + (i * 0x40)
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> ixgbed/src/ixgbe.rs:132:5
[INFO] [stdout]     |
[INFO] [stdout] 132 |     (0x06008 + (i * 0x40))
[INFO] [stdout]     |     ^                    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 132 -     (0x06008 + (i * 0x40))
[INFO] [stdout] 132 +     0x06008 + (i * 0x40)
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> ixgbed/src/ixgbe.rs:135:5
[INFO] [stdout]     |
[INFO] [stdout] 135 |     (0x06028 + (i * 0x40))
[INFO] [stdout]     |     ^                    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 135 -     (0x06028 + (i * 0x40))
[INFO] [stdout] 135 +     0x06028 + (i * 0x40)
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> ixgbed/src/ixgbe.rs:152:5
[INFO] [stdout]     |
[INFO] [stdout] 152 |     (0x06010 + (i * 0x40))
[INFO] [stdout]     |     ^                    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 152 -     (0x06010 + (i * 0x40))
[INFO] [stdout] 152 +     0x06010 + (i * 0x40)
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> ixgbed/src/ixgbe.rs:155:5
[INFO] [stdout]     |
[INFO] [stdout] 155 |     (0x06018 + (i * 0x40))
[INFO] [stdout]     |     ^                    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 155 -     (0x06018 + (i * 0x40))
[INFO] [stdout] 155 +     0x06018 + (i * 0x40)
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> ixgbed/src/ixgbe.rs:210:5
[INFO] [stdout]     |
[INFO] [stdout] 210 |     (0x00900 + (i * 4))
[INFO] [stdout]     |     ^                 ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 210 -     (0x00900 + (i * 4))
[INFO] [stdout] 210 +     0x00900 + (i * 4)
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling gpt v0.6.3 (https://gitlab.redox-os.org/redox-os/gpt#4d800981)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> alxd/src/main.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 128 | /             loop {
[INFO] [stdout] 129 | |                 let event_count = event_queue.run().expect("alxd: failed to handle events");
[INFO] [stdout] 130 | |
[INFO] [stdout] 131 | |                 socket.borrow_mut().write(&Packet {
[INFO] [stdout] ...   |
[INFO] [stdout] 140 | |                 }).expect("alxd: failed to write event");
[INFO] [stdout] 141 | |             }
[INFO] [stdout]     | |_____________- any code following this expression is unreachable
[INFO] [stdout] 142 |           }
[INFO] [stdout] 143 |           unsafe { let _ = syscall::physunmap(address); }
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `val` is never read
[INFO] [stdout]    --> alxd/src/device/mod.rs:668:6
[INFO] [stdout]     |
[INFO] [stdout] 668 |         val = self.read(WOL0);
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `err` is never read
[INFO] [stdout]     --> alxd/src/device/mod.rs:1126:6
[INFO] [stdout]      |
[INFO] [stdout] 1126 |         err = self.read_phy_reg(MII_BMSR, &mut bmsr);
[INFO] [stdout]      |         ^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `val` is never read
[INFO] [stdout]     --> alxd/src/device/mod.rs:1281:6
[INFO] [stdout]      |
[INFO] [stdout] 1281 |         val = self.read(DMA);
[INFO] [stdout]      |         ^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `IMS_TXDW`
[INFO] [stdout]   --> e1000d/src/device.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | const IMS_TXDW: u32 = 1;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `IMS_TXQE`
[INFO] [stdout]   --> e1000d/src/device.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | const IMS_TXQE: u32 = 1 << 1;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `IMS_LSC`
[INFO] [stdout]   --> e1000d/src/device.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | const IMS_LSC: u32 = 1 << 2;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `RCTL_MPE`
[INFO] [stdout]   --> e1000d/src/device.rs:42:1
[INFO] [stdout]    |
[INFO] [stdout] 42 | const RCTL_MPE: u32 = 1 << 4;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `checksum`
[INFO] [stdout]   --> e1000d/src/device.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 65 |     checksum: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Rd` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> e1000d/src/device.rs:60:10
[INFO] [stdout]    |
[INFO] [stdout] 60 | #[derive(Debug, Copy, Clone)]
[INFO] [stdout]    |          ^^^^^        ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `error`
[INFO] [stdout]   --> e1000d/src/device.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     error: u8,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Rd` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> e1000d/src/device.rs:60:10
[INFO] [stdout]    |
[INFO] [stdout] 60 | #[derive(Debug, Copy, Clone)]
[INFO] [stdout]    |          ^^^^^        ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `special`
[INFO] [stdout]   --> e1000d/src/device.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 68 |     special: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Rd` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> e1000d/src/device.rs:60:10
[INFO] [stdout]    |
[INFO] [stdout] 60 | #[derive(Debug, Copy, Clone)]
[INFO] [stdout]    |          ^^^^^        ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `RD_EOP`
[INFO] [stdout]   --> e1000d/src/device.rs:71:1
[INFO] [stdout]    |
[INFO] [stdout] 71 | const RD_EOP: u8 = 1 << 1;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `TD_DD`
[INFO] [stdout]   --> e1000d/src/device.rs:97:1
[INFO] [stdout]    |
[INFO] [stdout] 97 | const TD_DD: u8 = 1;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> alxd/src/main.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(concat_idents)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `alxd` due to 2 previous errors; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "4bcee4f961d450b8adff0f8250e7fd7f8e0fe9eb6f8c6532d5b6ee40565fa498", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bcee4f961d450b8adff0f8250e7fd7f8e0fe9eb6f8c6532d5b6ee40565fa498", kill_on_drop: false }`
[INFO] [stdout] 4bcee4f961d450b8adff0f8250e7fd7f8e0fe9eb6f8c6532d5b6ee40565fa498