[INFO] crate nix 0.17.0 is already in cache
[INFO] checking nix-0.17.0 against try#1a399c10897767c36d147199696c96f193034e49 for pr-72644
[INFO] extracting crate nix 0.17.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate nix 0.17.0 on toolchain 1a399c10897767c36d147199696c96f193034e49
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a399c10897767c36d147199696c96f193034e49" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate nix 0.17.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate nix 0.17.0
[INFO] tweaked toml for crates.io crate nix 0.17.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a399c10897767c36d147199696c96f193034e49" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a399c10897767c36d147199696c96f193034e49" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1a399c10897767c36d147199696c96f193034e49" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2dc914e41cefabd610b0377d62b6059b0d0954d3386d770e974c7fdeef381dfd
[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" "2dc914e41cefabd610b0377d62b6059b0d0954d3386d770e974c7fdeef381dfd"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling nix v0.17.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking errno v0.2.5
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking caps v0.3.4
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr] error: external crate `bytes` unused in `nix`: remove the dependency or add `use bytes as _;`
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 | #![deny(unused)]
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    = note: `#[deny(unused_crate_dependencies)]` implied by `#[deny(unused)]`
[INFO] [stderr] 
[INFO] [stderr] error: external crate `caps` unused in `nix`: remove the dependency or add `use caps as _;`
[INFO] [stderr] 
[INFO] [stderr] error: external crate `lazy_static` unused in `nix`: remove the dependency or add `use lazy_static as _;`
[INFO] [stderr] 
[INFO] [stderr] error: external crate `rand` unused in `nix`: remove the dependency or add `use rand as _;`
[INFO] [stderr] 
[INFO] [stderr] error: external crate `tempfile` unused in `nix`: remove the dependency or add `use tempfile as _;`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> test/sys/test_ioctl.rs:185:36
[INFO] [stderr]     |
[INFO] [stderr] 185 |         let mut termios = unsafe { mem::uninitialized() };
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> test/sys/test_ioctl.rs:202:41
[INFO] [stderr]     |
[INFO] [stderr] 202 |         let termios: termios = unsafe { mem::uninitialized() };
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> test/sys/test_ioctl.rs:253:45
[INFO] [stderr]     |
[INFO] [stderr] 253 |         let mut data: v4l2_audio = unsafe { mem::uninitialized() };
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> test/sys/test_ioctl.rs:263:45
[INFO] [stderr]     |
[INFO] [stderr] 263 |         let mut data: v4l2_audio = unsafe { mem::uninitialized() };
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `nix`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "2dc914e41cefabd610b0377d62b6059b0d0954d3386d770e974c7fdeef381dfd"`
[INFO] running `"docker" "rm" "-f" "2dc914e41cefabd610b0377d62b6059b0d0954d3386d770e974c7fdeef381dfd"`
[INFO] [stdout] 2dc914e41cefabd610b0377d62b6059b0d0954d3386d770e974c7fdeef381dfd