[INFO] crate solana_rbpf 0.1.19 is already in cache
[INFO] checking solana_rbpf-0.1.19 against try#3e1efa2be2e75b3c7daf2566f8758da91312f7e8 for pr-66037-3
[INFO] extracting crate solana_rbpf 0.1.19 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate solana_rbpf 0.1.19 on toolchain 3e1efa2be2e75b3c7daf2566f8758da91312f7e8
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3e1efa2be2e75b3c7daf2566f8758da91312f7e8" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate solana_rbpf 0.1.19
[INFO] finished tweaking crates.io crate solana_rbpf 0.1.19
[INFO] tweaked toml for crates.io crate solana_rbpf 0.1.19 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate solana_rbpf 0.1.19 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3e1efa2be2e75b3c7daf2566f8758da91312f7e8" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+3e1efa2be2e75b3c7daf2566f8758da91312f7e8" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 69b65e1fab0cfe1928080a332fb0f6a7000bf9b79716e53731418e6d0303d122
[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" "69b65e1fab0cfe1928080a332fb0f6a7000bf9b79716e53731418e6d0303d122"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking bit-vec v0.5.0
[INFO] [stderr]     Checking json v0.11.13
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking colored v1.6.1
[INFO] [stderr]     Checking ar v0.6.2
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking hash32 v0.1.0
[INFO] [stderr]     Checking combine v2.5.2
[INFO] [stderr]     Checking elf v0.0.10
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking bloom v0.3.2
[INFO] [stderr]     Checking tempfile v3.0.5
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]     Checking pretty_env_logger v0.2.5
[INFO] [stderr]    Compiling enum-primitive-derive v0.1.2
[INFO] [stderr]     Checking elfkit v0.0.6
[INFO] [stderr]     Checking solana_rbpf v0.1.19 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/ebpf.rs:443:13
[INFO] [stderr]     |
[INFO] [stderr] 443 | ) -> Result<(u64), Error>;
[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 type
[INFO] [stderr]    --> src/elf.rs:106:45
[INFO] [stderr]     |
[INFO] [stderr] 106 |     pub fn load(elf_bytes: &[u8]) -> Result<(EBpfElf), Error> {
[INFO] [stderr]     |                                             ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/elf.rs:227:49
[INFO] [stderr]     |
[INFO] [stderr] 227 |     fn get_section(&self, name: &str) -> Result<(&elfkit::Section), Error> {
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/elf.rs:373:17
[INFO] [stderr]     |
[INFO] [stderr] 373 |     ) -> Result<(&'a mut elfkit::Section), Error> {
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/elf.rs:391:17
[INFO] [stderr]     |
[INFO] [stderr] 391 |     ) -> Result<(Vec<SectionInfo<'b>>), Error> {
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/helpers.rs:74:13
[INFO] [stderr]    |
[INFO] [stderr] 74 | ) -> Result<(u64), Error> {
[INFO] [stderr]    |             ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/helpers.rs:132:13
[INFO] [stderr]     |
[INFO] [stderr] 132 | ) -> Result<(u64), Error> {
[INFO] [stderr]     |             ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/helpers.rs:171:13
[INFO] [stderr]     |
[INFO] [stderr] 171 | ) -> Result<(u64), Error> {
[INFO] [stderr]     |             ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/helpers.rs:208:13
[INFO] [stderr]     |
[INFO] [stderr] 208 | ) -> Result<(u64), Error> {
[INFO] [stderr]     |             ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/helpers.rs:265:13
[INFO] [stderr]     |
[INFO] [stderr] 265 | ) -> Result<(u64), Error> {
[INFO] [stderr]     |             ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/helpers.rs:298:13
[INFO] [stderr]     |
[INFO] [stderr] 298 | ) -> Result<(u64), Error> {
[INFO] [stderr]     |             ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/helpers.rs:359:13
[INFO] [stderr]     |
[INFO] [stderr] 359 | ) -> Result<(u64), Error> {
[INFO] [stderr]     |             ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/memory_region.rs:28:64
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn vm_to_host(&self, vm_addr: u64, len: u64) -> Result<(u64), Error> {
[INFO] [stderr]    |                                                                ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/memory_region.rs:54:13
[INFO] [stderr]    |
[INFO] [stderr] 54 | ) -> Result<(u64), Error> {
[INFO] [stderr]    |             ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/jit.rs:883:15
[INFO] [stderr]     |
[INFO] [stderr] 883 |     -> Result<(JitProgram), Error> {
[INFO] [stderr]     |               ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/ebpf.rs:443:13
[INFO] [stderr]     |
[INFO] [stderr] 443 | ) -> Result<(u64), Error>;
[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 type
[INFO] [stderr]    --> src/elf.rs:106:45
[INFO] [stderr]     |
[INFO] [stderr] 106 |     pub fn load(elf_bytes: &[u8]) -> Result<(EBpfElf), Error> {
[INFO] [stderr]     |                                             ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/elf.rs:227:49
[INFO] [stderr]     |
[INFO] [stderr] 227 |     fn get_section(&self, name: &str) -> Result<(&elfkit::Section), Error> {
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/elf.rs:373:17
[INFO] [stderr]     |
[INFO] [stderr] 373 |     ) -> Result<(&'a mut elfkit::Section), Error> {
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/elf.rs:391:17
[INFO] [stderr]     |
[INFO] [stderr] 391 |     ) -> Result<(Vec<SectionInfo<'b>>), Error> {
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/helpers.rs:74:13
[INFO] [stderr]    |
[INFO] [stderr] 74 | ) -> Result<(u64), Error> {
[INFO] [stderr]    |             ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/helpers.rs:132:13
[INFO] [stderr]     |
[INFO] [stderr] 132 | ) -> Result<(u64), Error> {
[INFO] [stderr]     |             ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/helpers.rs:171:13
[INFO] [stderr]     |
[INFO] [stderr] 171 | ) -> Result<(u64), Error> {
[INFO] [stderr]     |             ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/helpers.rs:208:13
[INFO] [stderr]     |
[INFO] [stderr] 208 | ) -> Result<(u64), Error> {
[INFO] [stderr]     |             ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/helpers.rs:265:13
[INFO] [stderr]     |
[INFO] [stderr] 265 | ) -> Result<(u64), Error> {
[INFO] [stderr]     |             ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/helpers.rs:298:13
[INFO] [stderr]     |
[INFO] [stderr] 298 | ) -> Result<(u64), Error> {
[INFO] [stderr]     |             ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/helpers.rs:359:13
[INFO] [stderr]     |
[INFO] [stderr] 359 | ) -> Result<(u64), Error> {
[INFO] [stderr]     |             ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/memory_region.rs:28:64
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn vm_to_host(&self, vm_addr: u64, len: u64) -> Result<(u64), Error> {
[INFO] [stderr]    |                                                                ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/memory_region.rs:54:13
[INFO] [stderr]    |
[INFO] [stderr] 54 | ) -> Result<(u64), Error> {
[INFO] [stderr]    |             ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/jit.rs:883:15
[INFO] [stderr]     |
[INFO] [stderr] 883 |     -> Result<(JitProgram), Error> {
[INFO] [stderr]     |               ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> tests/misc.rs:477:13
[INFO] [stderr]     |
[INFO] [stderr] 477 | ) -> Result<(u64), Error> {
[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 type
[INFO] [stderr]    --> tests/misc.rs:501:13
[INFO] [stderr]     |
[INFO] [stderr] 501 | ) -> Result<(u64), Error> {
[INFO] [stderr]     |             ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.80s
[INFO] running `"docker" "inspect" "69b65e1fab0cfe1928080a332fb0f6a7000bf9b79716e53731418e6d0303d122"`
[INFO] running `"docker" "rm" "-f" "69b65e1fab0cfe1928080a332fb0f6a7000bf9b79716e53731418e6d0303d122"`
[INFO] [stdout] 69b65e1fab0cfe1928080a332fb0f6a7000bf9b79716e53731418e6d0303d122