[INFO] crate uhyve 0.0.15 is already in cache
[INFO] checking uhyve-0.0.15 against master#3dbade652ed8ebac70f903e01f51cd92c4e4302c for pr-69880
[INFO] extracting crate uhyve 0.0.15 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate uhyve 0.0.15 on toolchain 3dbade652ed8ebac70f903e01f51cd92c4e4302c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate uhyve 0.0.15
[INFO] finished tweaking crates.io crate uhyve 0.0.15
[INFO] tweaked toml for crates.io crate uhyve 0.0.15 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate uhyve 0.0.15 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "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] fdfcf6e7860ff9f188973c3b84688374ee593aeccfef3d5139b49d8ebd79b638
[INFO] running `"docker" "start" "-a" "fdfcf6e7860ff9f188973c3b84688374ee593aeccfef3d5139b49d8ebd79b638"`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling log v0.4.10
[INFO] [stderr]    Compiling nix v0.16.1
[INFO] [stderr]    Compiling mac_address v1.0.3
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]     Checking virtio-bindings v0.1.0
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]     Checking tokio-sync v0.1.7
[INFO] [stderr]    Compiling tun-tap v0.1.2
[INFO] [stderr]     Checking tokio-executor v0.1.9
[INFO] [stderr]    Compiling raw-cpuid v7.0.3
[INFO] [stderr]     Checking gdb-protocol v0.1.0
[INFO] [stderr]    Compiling strum_macros v0.8.0
[INFO] [stderr]     Checking tokio-timer v0.2.12
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking vmm-sys-util v0.3.1
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking aligned_alloc v0.1.3
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.17
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking kvm-bindings v0.2.0
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio-reactor v0.1.11
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking kvm-ioctls v0.5.0
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking uhyve v0.0.15 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/consts.rs:16:27
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub const EFER_SCE: u64 = (1 << 0); /* System Call Extensions */
[INFO] [stderr]    |                           ^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/consts.rs:17:27
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub const EFER_LME: u64 = (1 << 8); /* Long mode enable */
[INFO] [stderr]    |                           ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/consts.rs:18:27
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub const EFER_LMA: u64 = (1 << 10); /* Long mode active (read-only) */
[INFO] [stderr]    |                           ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/consts.rs:19:27
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub const EFER_NXE: u64 = (1 << 11); /* PTE No-Execute bit enable */
[INFO] [stderr]    |                           ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/consts.rs:30:29
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub const X86_PDPT_P: u64 = (1u64 << 0); /* Present */
[INFO] [stderr]    |                             ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/consts.rs:31:30
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub const X86_PDPT_RW: u64 = (1u64 << 1); /* Writeable */
[INFO] [stderr]    |                              ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/consts.rs:32:30
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub const X86_PDPT_US: u64 = (1u64 << 2); /* User/supervisor */
[INFO] [stderr]    |                              ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/consts.rs:33:30
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub const X86_PDPT_PS: u64 = (1u64 << 7); /* Page size */
[INFO] [stderr]    |                              ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/consts.rs:16:27
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub const EFER_SCE: u64 = (1 << 0); /* System Call Extensions */
[INFO] [stderr]    |                           ^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/consts.rs:17:27
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub const EFER_LME: u64 = (1 << 8); /* Long mode enable */
[INFO] [stderr]    |                           ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/consts.rs:18:27
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub const EFER_LMA: u64 = (1 << 10); /* Long mode active (read-only) */
[INFO] [stderr]    |                           ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/consts.rs:19:27
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub const EFER_NXE: u64 = (1 << 11); /* PTE No-Execute bit enable */
[INFO] [stderr]    |                           ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/consts.rs:30:29
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub const X86_PDPT_P: u64 = (1u64 << 0); /* Present */
[INFO] [stderr]    |                             ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/consts.rs:31:30
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub const X86_PDPT_RW: u64 = (1u64 << 1); /* Writeable */
[INFO] [stderr]    |                              ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/consts.rs:32:30
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub const X86_PDPT_US: u64 = (1u64 << 2); /* User/supervisor */
[INFO] [stderr]    |                              ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/consts.rs:33:30
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub const X86_PDPT_PS: u64 = (1u64 << 7); /* Page size */
[INFO] [stderr]    |                              ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/linux/vcpu.rs:313:17
[INFO] [stderr]     |
[INFO] [stderr] 313 |                             unsafe { (*(addr.as_ptr() as *mut u32) = 0xffffffff) };
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/linux/vcpu.rs:417:28
[INFO] [stderr]     |
[INFO] [stderr] 417 |                             pci_addr = unsafe { (*(addr.as_ptr() as *const u32)) };
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/linux/virtio.rs:95:1
[INFO] [stderr]     |
[INFO] [stderr] 95  | / macro_rules! write_u32 {
[INFO] [stderr] 96  | |     ($registers:expr, $address:expr, $value:expr) => {
[INFO] [stderr] 97  | |         $registers[$address] = ($value & 0xFF) as u8;
[INFO] [stderr] 98  | |         $registers[$address + 1] = (($value >> 8) & 0xFF) as u8;
[INFO] [stderr] ...   |
[INFO] [stderr] 102 | |     };
[INFO] [stderr] 103 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/vm.rs:487:2
[INFO] [stderr]     |
[INFO] [stderr] 487 |       (((base & 0xff000000u64) << (56 - 24))
[INFO] [stderr]     |  _____^
[INFO] [stderr] 488 | |         | ((flags & 0x0000f0ffu64) << 40)
[INFO] [stderr] 489 | |         | ((limit & 0x000f0000u64) << (48 - 16))
[INFO] [stderr] 490 | |         | ((base & 0x00ffffffu64) << 16)
[INFO] [stderr] 491 | |         | (limit & 0x0000ffffu64))
[INFO] [stderr]     | |__________________________________^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 487 |     ((base & 0xff000000u64) << (56 - 24))
[INFO] [stderr] 488 |         | ((flags & 0x0000f0ffu64) << 40)
[INFO] [stderr] 489 |         | ((limit & 0x000f0000u64) << (48 - 16))
[INFO] [stderr] 490 |         | ((base & 0x00ffffffu64) << 16)
[INFO] [stderr] 491 |         | (limit & 0x0000ffffu64)
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/linux/vcpu.rs:313:17
[INFO] [stderr]     |
[INFO] [stderr] 313 |                             unsafe { (*(addr.as_ptr() as *mut u32) = 0xffffffff) };
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/linux/vcpu.rs:417:28
[INFO] [stderr]     |
[INFO] [stderr] 417 |                             pci_addr = unsafe { (*(addr.as_ptr() as *const u32)) };
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/linux/virtio.rs:95:1
[INFO] [stderr]     |
[INFO] [stderr] 95  | / macro_rules! write_u32 {
[INFO] [stderr] 96  | |     ($registers:expr, $address:expr, $value:expr) => {
[INFO] [stderr] 97  | |         $registers[$address] = ($value & 0xFF) as u8;
[INFO] [stderr] 98  | |         $registers[$address + 1] = (($value >> 8) & 0xFF) as u8;
[INFO] [stderr] ...   |
[INFO] [stderr] 102 | |     };
[INFO] [stderr] 103 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/vm.rs:487:2
[INFO] [stderr]     |
[INFO] [stderr] 487 |       (((base & 0xff000000u64) << (56 - 24))
[INFO] [stderr]     |  _____^
[INFO] [stderr] 488 | |         | ((flags & 0x0000f0ffu64) << 40)
[INFO] [stderr] 489 | |         | ((limit & 0x000f0000u64) << (48 - 16))
[INFO] [stderr] 490 | |         | ((base & 0x00ffffffu64) << 16)
[INFO] [stderr] 491 | |         | (limit & 0x0000ffffu64))
[INFO] [stderr]     | |__________________________________^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 487 |     ((base & 0xff000000u64) << (56 - 24))
[INFO] [stderr] 488 |         | ((flags & 0x0000f0ffu64) << 40)
[INFO] [stderr] 489 |         | ((limit & 0x000f0000u64) << (48 - 16))
[INFO] [stderr] 490 |         | ((base & 0x00ffffffu64) << 16)
[INFO] [stderr] 491 |         | (limit & 0x0000ffffu64)
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `reader`
[INFO] [stderr]   --> src/linux/uhyve.rs:35:2
[INFO] [stderr]    |
[INFO] [stderr] 35 |     reader: std::thread::JoinHandle<()>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `writer`
[INFO] [stderr]   --> src/linux/uhyve.rs:36:2
[INFO] [stderr]    |
[INFO] [stderr] 36 |     writer: std::thread::JoinHandle<()>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `reader`
[INFO] [stderr]   --> src/linux/uhyve.rs:35:2
[INFO] [stderr]    |
[INFO] [stderr] 35 |     reader: std::thread::JoinHandle<()>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `writer`
[INFO] [stderr]   --> src/linux/uhyve.rs:36:2
[INFO] [stderr]    |
[INFO] [stderr] 36 |     writer: std::thread::JoinHandle<()>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.87s
[INFO] running `"docker" "inspect" "fdfcf6e7860ff9f188973c3b84688374ee593aeccfef3d5139b49d8ebd79b638"`
[INFO] running `"docker" "rm" "-f" "fdfcf6e7860ff9f188973c3b84688374ee593aeccfef3d5139b49d8ebd79b638"`
[INFO] [stdout] fdfcf6e7860ff9f188973c3b84688374ee593aeccfef3d5139b49d8ebd79b638