[INFO] crate sys_util 0.1.0 is already in cache
[INFO] checking sys_util-0.1.0 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] extracting crate sys_util 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate sys_util 0.1.0 on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate sys_util 0.1.0
[INFO] finished tweaking crates.io crate sys_util 0.1.0
[INFO] tweaked toml for crates.io crate sys_util 0.1.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: the cargo feature `rename-dependency` is now stable and is no longer necessary to be listed in the manifest
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 66eb00e189233fe7114f496eacf954d8c3343018ad06c4da45ed6cc564e007af
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "66eb00e189233fe7114f496eacf954d8c3343018ad06c4da45ed6cc564e007af"`
[INFO] [stderr] warning: the cargo feature `rename-dependency` is now stable and is no longer necessary to be listed in the manifest
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]     Checking assertions v0.1.0
[INFO] [stderr]     Checking syscall_defines v0.1.0
[INFO] [stderr]     Checking sync_panic v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking data_model v0.1.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling poll_token_derive v0.1.0
[INFO] [stderr]     Checking sys_util v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/file_flags.rs:19:29
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn from_file(file: &AsRawFd) -> Result<FileFlags> {
[INFO] [stderr]    |                             ^^^^^^^ help: use `dyn`: `dyn AsRawFd`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/mmap.rs:93:25
[INFO] [stderr]    |
[INFO] [stderr] 93 |     pub fn from_fd(fd: &AsRawFd, size: usize) -> Result<MemoryMapping> {
[INFO] [stderr]    |                         ^^^^^^^ help: use `dyn`: `dyn AsRawFd`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mmap.rs:103:32
[INFO] [stderr]     |
[INFO] [stderr] 103 |     pub fn from_fd_offset(fd: &AsRawFd, size: usize, offset: usize) -> Result<MemoryMapping> {
[INFO] [stderr]     |                                ^^^^^^^ help: use `dyn`: `dyn AsRawFd`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/poll.rs:290:28
[INFO] [stderr]     |
[INFO] [stderr] 290 |     pub fn add(&self, fd: &AsRawFd, token: T) -> Result<()> {
[INFO] [stderr]     |                            ^^^^^^^ help: use `dyn`: `dyn AsRawFd`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/poll.rs:300:43
[INFO] [stderr]     |
[INFO] [stderr] 300 |     pub fn add_fd_with_events(&self, fd: &AsRawFd, events: WatchingEvents, token: T) -> Result<()> {
[INFO] [stderr]     |                                           ^^^^^^^ help: use `dyn`: `dyn AsRawFd`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/poll.rs:323:31
[INFO] [stderr]     |
[INFO] [stderr] 323 |     pub fn modify(&self, fd: &AsRawFd, events: WatchingEvents, token: T) -> Result<()> {
[INFO] [stderr]     |                               ^^^^^^^ help: use `dyn`: `dyn AsRawFd`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/poll.rs:350:31
[INFO] [stderr]     |
[INFO] [stderr] 350 |     pub fn delete(&self, fd: &AsRawFd) -> Result<()> {
[INFO] [stderr]     |                               ^^^^^^^ help: use `dyn`: `dyn AsRawFd`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/poll.rs:494:28
[INFO] [stderr]     |
[INFO] [stderr] 494 |     pub fn add(&self, fd: &AsRawFd, token: T) -> Result<()> {
[INFO] [stderr]     |                            ^^^^^^^ help: use `dyn`: `dyn AsRawFd`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/poll.rs:504:43
[INFO] [stderr]     |
[INFO] [stderr] 504 |     pub fn add_fd_with_events(&self, fd: &AsRawFd, events: WatchingEvents, token: T) -> Result<()> {
[INFO] [stderr]     |                                           ^^^^^^^ help: use `dyn`: `dyn AsRawFd`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/poll.rs:513:31
[INFO] [stderr]     |
[INFO] [stderr] 513 |     pub fn modify(&self, fd: &AsRawFd, events: WatchingEvents, token: T) -> Result<()> {
[INFO] [stderr]     |                               ^^^^^^^ help: use `dyn`: `dyn AsRawFd`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/poll.rs:523:31
[INFO] [stderr]     |
[INFO] [stderr] 523 |     pub fn delete(&self, fd: &AsRawFd) -> Result<()> {
[INFO] [stderr]     |                               ^^^^^^^ help: use `dyn`: `dyn AsRawFd`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:149:21
[INFO] [stderr]     |
[INFO] [stderr] 149 | pub fn flock(file: &AsRawFd, op: FlockOperation, nonblocking: bool) -> Result<()> {
[INFO] [stderr]     |                     ^^^^^^^ help: use `dyn`: `dyn AsRawFd`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:178:12
[INFO] [stderr]     |
[INFO] [stderr] 178 |     file: &AsRawFd,
[INFO] [stderr]     |            ^^^^^^^ help: use `dyn`: `dyn AsRawFd`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/syslog.rs:39:35
[INFO] [stderr]    |
[INFO] [stderr] 39 | use std::sync::{MutexGuard, Once, ONCE_INIT};
[INFO] [stderr]    |                                   ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/syslog.rs:207:27
[INFO] [stderr]     |
[INFO] [stderr] 207 | static STATE_ONCE: Once = ONCE_INIT;
[INFO] [stderr]     |                           ^^^^^^^^^ help: replace the use of the deprecated item: `Once::new()`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/net.rs:16:39
[INFO] [stderr]    |
[INFO] [stderr] 16 |         let addr: libc::sockaddr_un = mem::uninitialized();
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/file_flags.rs:19:29
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn from_file(file: &AsRawFd) -> Result<FileFlags> {
[INFO] [stderr]    |                             ^^^^^^^ help: use `dyn`: `dyn AsRawFd`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/mmap.rs:93:25
[INFO] [stderr]    |
[INFO] [stderr] 93 |     pub fn from_fd(fd: &AsRawFd, size: usize) -> Result<MemoryMapping> {
[INFO] [stderr]    |                         ^^^^^^^ help: use `dyn`: `dyn AsRawFd`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mmap.rs:103:32
[INFO] [stderr]     |
[INFO] [stderr] 103 |     pub fn from_fd_offset(fd: &AsRawFd, size: usize, offset: usize) -> Result<MemoryMapping> {
[INFO] [stderr]     |                                ^^^^^^^ help: use `dyn`: `dyn AsRawFd`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/poll.rs:290:28
[INFO] [stderr]     |
[INFO] [stderr] 290 |     pub fn add(&self, fd: &AsRawFd, token: T) -> Result<()> {
[INFO] [stderr]     |                            ^^^^^^^ help: use `dyn`: `dyn AsRawFd`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/poll.rs:300:43
[INFO] [stderr]     |
[INFO] [stderr] 300 |     pub fn add_fd_with_events(&self, fd: &AsRawFd, events: WatchingEvents, token: T) -> Result<()> {
[INFO] [stderr]     |                                           ^^^^^^^ help: use `dyn`: `dyn AsRawFd`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/poll.rs:323:31
[INFO] [stderr]     |
[INFO] [stderr] 323 |     pub fn modify(&self, fd: &AsRawFd, events: WatchingEvents, token: T) -> Result<()> {
[INFO] [stderr]     |                               ^^^^^^^ help: use `dyn`: `dyn AsRawFd`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/poll.rs:350:31
[INFO] [stderr]     |
[INFO] [stderr] 350 |     pub fn delete(&self, fd: &AsRawFd) -> Result<()> {
[INFO] [stderr]     |                               ^^^^^^^ help: use `dyn`: `dyn AsRawFd`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/poll.rs:494:28
[INFO] [stderr]     |
[INFO] [stderr] 494 |     pub fn add(&self, fd: &AsRawFd, token: T) -> Result<()> {
[INFO] [stderr]     |                            ^^^^^^^ help: use `dyn`: `dyn AsRawFd`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/poll.rs:504:43
[INFO] [stderr]     |
[INFO] [stderr] 504 |     pub fn add_fd_with_events(&self, fd: &AsRawFd, events: WatchingEvents, token: T) -> Result<()> {
[INFO] [stderr]     |                                           ^^^^^^^ help: use `dyn`: `dyn AsRawFd`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/poll.rs:513:31
[INFO] [stderr]     |
[INFO] [stderr] 513 |     pub fn modify(&self, fd: &AsRawFd, events: WatchingEvents, token: T) -> Result<()> {
[INFO] [stderr]     |                               ^^^^^^^ help: use `dyn`: `dyn AsRawFd`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/poll.rs:523:31
[INFO] [stderr]     |
[INFO] [stderr] 523 |     pub fn delete(&self, fd: &AsRawFd) -> Result<()> {
[INFO] [stderr]     |                               ^^^^^^^ help: use `dyn`: `dyn AsRawFd`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:149:21
[INFO] [stderr]     |
[INFO] [stderr] 149 | pub fn flock(file: &AsRawFd, op: FlockOperation, nonblocking: bool) -> Result<()> {
[INFO] [stderr]     |                     ^^^^^^^ help: use `dyn`: `dyn AsRawFd`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:178:12
[INFO] [stderr]     |
[INFO] [stderr] 178 |     file: &AsRawFd,
[INFO] [stderr]     |            ^^^^^^^ help: use `dyn`: `dyn AsRawFd`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/syslog.rs:39:35
[INFO] [stderr]    |
[INFO] [stderr] 39 | use std::sync::{MutexGuard, Once, ONCE_INIT};
[INFO] [stderr]    |                                   ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/syslog.rs:207:27
[INFO] [stderr]     |
[INFO] [stderr] 207 | static STATE_ONCE: Once = ONCE_INIT;
[INFO] [stderr]     |                           ^^^^^^^^^ help: replace the use of the deprecated item: `Once::new()`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/net.rs:16:39
[INFO] [stderr]    |
[INFO] [stderr] 16 |         let addr: libc::sockaddr_un = mem::uninitialized();
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/guest_memory.rs:250:32
[INFO] [stderr]     |
[INFO] [stderr] 250 |     pub fn read_at_addr(&self, mut buf: &mut [u8], guest_addr: GuestAddress) -> Result<usize> {
[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: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/guest_memory.rs:250:32
[INFO] [stderr]     |
[INFO] [stderr] 250 |     pub fn read_at_addr(&self, mut buf: &mut [u8], guest_addr: GuestAddress) -> Result<usize> {
[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: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.01s
[INFO] running `"docker" "inspect" "66eb00e189233fe7114f496eacf954d8c3343018ad06c4da45ed6cc564e007af"`
[INFO] running `"docker" "rm" "-f" "66eb00e189233fe7114f496eacf954d8c3343018ad06c4da45ed6cc564e007af"`
[INFO] [stdout] 66eb00e189233fe7114f496eacf954d8c3343018ad06c4da45ed6cc564e007af