[INFO] crate unix-signal 0.1.1 is already in cache
[INFO] checking unix-signal-0.1.1 against master#30ca215b4e38b32aa7abdd635c5e2d56f5724494 for pr-66037
[INFO] extracting crate unix-signal 0.1.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate unix-signal 0.1.1 on toolchain 30ca215b4e38b32aa7abdd635c5e2d56f5724494
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate unix-signal 0.1.1
[INFO] finished tweaking crates.io crate unix-signal 0.1.1
[INFO] tweaked toml for crates.io crate unix-signal 0.1.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6177d37b758bc844edae89553854931ecd8de3b3867f22390cafbea5f409c9a6
[INFO] running `"docker" "start" "-a" "6177d37b758bc844edae89553854931ecd8de3b3867f22390cafbea5f409c9a6"`
[INFO] [stderr]    Compiling i-o v0.4.4
[INFO] [stderr]     Checking idem v0.4.0
[INFO] [stderr]     Checking system-call v0.1.1
[INFO] [stderr]     Checking flags v0.1.3
[INFO] [stderr]     Checking syscall v0.2.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_pcg v0.1.2
[INFO] [stderr]    Compiling unix v0.6.7
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking idem v0.1.1
[INFO] [stderr]     Checking tempus v0.2.3
[INFO] [stderr]     Checking unix-signal v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / bitflags! {
[INFO] [stderr] 12 | |     pub struct Flags: usize {
[INFO] [stderr] 13 | |     }
[INFO] [stderr] 14 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/linux.rs:23:31
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let mut old: ksigaction = mem::uninitialized();
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / bitflags! {
[INFO] [stderr] 12 | |     pub struct Flags: usize {
[INFO] [stderr] 13 | |     }
[INFO] [stderr] 14 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/linux.rs:23:31
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let mut old: ksigaction = mem::uninitialized();
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the type `linux::sigaction::ksigaction` does not permit being left uninitialized
[INFO] [stderr]   --> src/linux.rs:23:31
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let mut old: ksigaction = mem::uninitialized();
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |                               |
[INFO] [stderr]    |                               this code causes undefined behavior when executed
[INFO] [stderr]    |                               help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stderr] note: Function pointers must be non-null (in this struct field)
[INFO] [stderr]   --> src/linux.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |         handler: Handler,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the type `linux::sigaction::ksigaction` does not permit being left uninitialized
[INFO] [stderr]   --> src/linux.rs:23:31
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let mut old: ksigaction = mem::uninitialized();
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |                               |
[INFO] [stderr]    |                               this code causes undefined behavior when executed
[INFO] [stderr]    |                               help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stderr] note: Function pointers must be non-null (in this struct field)
[INFO] [stderr]   --> src/linux.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |         handler: Handler,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.71s
[INFO] running `"docker" "inspect" "6177d37b758bc844edae89553854931ecd8de3b3867f22390cafbea5f409c9a6"`
[INFO] running `"docker" "rm" "-f" "6177d37b758bc844edae89553854931ecd8de3b3867f22390cafbea5f409c9a6"`
[INFO] [stdout] 6177d37b758bc844edae89553854931ecd8de3b3867f22390cafbea5f409c9a6