[INFO] fetching crate redox_syscall 0.1.57...
[INFO] checking redox_syscall-0.1.57 against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] extracting crate redox_syscall 0.1.57 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate redox_syscall 0.1.57 on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate redox_syscall 0.1.57
[INFO] finished tweaking crates.io crate redox_syscall 0.1.57
[INFO] tweaked toml for crates.io crate redox_syscall 0.1.57 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4d8a8493d092155d738d2072da33cb2d37f3cbec1fe88810b283e8cf2f075b6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c4d8a8493d092155d738d2072da33cb2d37f3cbec1fe88810b283e8cf2f075b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4d8a8493d092155d738d2072da33cb2d37f3cbec1fe88810b283e8cf2f075b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4d8a8493d092155d738d2072da33cb2d37f3cbec1fe88810b283e8cf2f075b6", kill_on_drop: false }`
[INFO] [stdout] c4d8a8493d092155d738d2072da33cb2d37f3cbec1fe88810b283e8cf2f075b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0347685faebec70d9366462723c95b6f5e6c7e779e83bdfdfc945e2210d361c0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0347685faebec70d9366462723c95b6f5e6c7e779e83bdfdfc945e2210d361c0", kill_on_drop: false }`
[INFO] [stderr]     Checking redox_syscall v0.1.57 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'core::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]  --> src/io/mmio.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use core::mem::uninitialized;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'core::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/io/mmio.rs:16:29
[INFO] [stdout]    |
[INFO] [stdout] 16 |             value: unsafe { uninitialized() }
[INFO] [stdout]    |                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]  --> src/io/mmio.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use core::mem::uninitialized;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/io/mmio.rs:16:29
[INFO] [stdout]    |
[INFO] [stdout] 16 |             value: unsafe { uninitialized() }
[INFO] [stdout]    |                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `extern "C" fn(usize)` does not permit zero-initialization
[INFO] [stdout]    --> src/data.rs:121:34
[INFO] [stdout]     |
[INFO] [stdout] 121 |             sa_handler: unsafe { mem::transmute(0usize) },
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  this code causes undefined behavior when executed
[INFO] [stdout]     |                                  help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout]     = note: function pointers must be non-null
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `extern "C" fn(usize)` does not permit zero-initialization
[INFO] [stdout]    --> src/data.rs:121:34
[INFO] [stdout]     |
[INFO] [stdout] 121 |             sa_handler: unsafe { mem::transmute(0usize) },
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  this code causes undefined behavior when executed
[INFO] [stdout]     |                                  help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout]     = note: function pointers must be non-null
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "0347685faebec70d9366462723c95b6f5e6c7e779e83bdfdfc945e2210d361c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0347685faebec70d9366462723c95b6f5e6c7e779e83bdfdfc945e2210d361c0", kill_on_drop: false }`
[INFO] [stdout] 0347685faebec70d9366462723c95b6f5e6c7e779e83bdfdfc945e2210d361c0