[INFO] fetching crate rbpf 0.1.0...
[INFO] checking rbpf-0.1.0 against try#9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c for pr-79472
[INFO] extracting crate rbpf 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rbpf 0.1.0 on toolchain 9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rbpf 0.1.0
[INFO] finished tweaking crates.io crate rbpf 0.1.0
[INFO] tweaked toml for crates.io crate rbpf 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded combine v2.5.2
[INFO] [stderr]   Downloaded ascii v0.7.1
[INFO] [stderr]   Downloaded json v0.11.15
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b4073993f770214d9e181661fc9171aae63a44de93a77855c34e7ea3aa657cad
[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" "b4073993f770214d9e181661fc9171aae63a44de93a77855c34e7ea3aa657cad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4073993f770214d9e181661fc9171aae63a44de93a77855c34e7ea3aa657cad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4073993f770214d9e181661fc9171aae63a44de93a77855c34e7ea3aa657cad", kill_on_drop: false }`
[INFO] [stdout] b4073993f770214d9e181661fc9171aae63a44de93a77855c34e7ea3aa657cad
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e79cb03cb4291f9948810c90ce420cdf85f60b689f4870c4aa21b44afbaa0a7
[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" "4e79cb03cb4291f9948810c90ce420cdf85f60b689f4870c4aa21b44afbaa0a7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking ascii v0.7.1
[INFO] [stderr]     Checking json v0.11.15
[INFO] [stderr]     Checking elf v0.0.10
[INFO] [stderr]     Checking combine v2.5.2
[INFO] [stderr]     Checking rbpf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/assembler.rs:157:21
[INFO] [stdout]     |
[INFO] [stdout] 157 |     let (a, b, c) = try!(operands_tuple(operands));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/assembler.rs:239:18
[INFO] [stdout]     |
[INFO] [stdout] 239 |     let parsed = try!(parse(src));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/assembler.rs:240:17
[INFO] [stdout]     |
[INFO] [stdout] 240 |     let insns = try!(assemble_internal(&parsed));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/jit.rs:904:15
[INFO] [stdout]     |
[INFO] [stdout] 904 |     -> Result<(JitProgram), Error> {
[INFO] [stdout]     |               ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/verifier.rs:106:12
[INFO] [stdout]     |
[INFO] [stdout] 106 |         (0 ... 9, _) | (10, true) => Ok(()),
[INFO] [stdout]     |            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/lib.rs:1539:45
[INFO] [stdout]      |
[INFO] [stdout] 1539 |     pub fn execute_program(&self) -> Result<(u64), Error> {
[INFO] [stdout]      |                                             ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/lib.rs:1575:56
[INFO] [stdout]      |
[INFO] [stdout] 1575 |     pub unsafe fn execute_program_jit(&self) -> Result<(u64), Error> {
[INFO] [stdout]      |                                                        ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/jit.rs:442:46
[INFO] [stdout]     |
[INFO] [stdout] 442 |             let mut raw: *mut libc::c_void = mem::uninitialized();
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/assembler.rs:157:21
[INFO] [stdout]     |
[INFO] [stdout] 157 |     let (a, b, c) = try!(operands_tuple(operands));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/assembler.rs:239:18
[INFO] [stdout]     |
[INFO] [stdout] 239 |     let parsed = try!(parse(src));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/assembler.rs:240:17
[INFO] [stdout]     |
[INFO] [stdout] 240 |     let insns = try!(assemble_internal(&parsed));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/jit.rs:904:15
[INFO] [stdout]     |
[INFO] [stdout] 904 |     -> Result<(JitProgram), Error> {
[INFO] [stdout]     |               ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/verifier.rs:106:12
[INFO] [stdout]     |
[INFO] [stdout] 106 |         (0 ... 9, _) | (10, true) => Ok(()),
[INFO] [stdout]     |            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/lib.rs:1539:45
[INFO] [stdout]      |
[INFO] [stdout] 1539 |     pub fn execute_program(&self) -> Result<(u64), Error> {
[INFO] [stdout]      |                                             ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/lib.rs:1575:56
[INFO] [stdout]      |
[INFO] [stdout] 1575 |     pub unsafe fn execute_program_jit(&self) -> Result<(u64), Error> {
[INFO] [stdout]      |                                                        ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/jit.rs:442:46
[INFO] [stdout]     |
[INFO] [stdout] 442 |             let mut raw: *mut libc::c_void = mem::uninitialized();
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> tests/assembler.rs:17:27
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Ok(ebpf::to_insn_vec(&try!(assemble(src))))
[INFO] [stdout]    |                           ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.48s
[INFO] running `Command { std: "docker" "inspect" "4e79cb03cb4291f9948810c90ce420cdf85f60b689f4870c4aa21b44afbaa0a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e79cb03cb4291f9948810c90ce420cdf85f60b689f4870c4aa21b44afbaa0a7", kill_on_drop: false }`
[INFO] [stdout] 4e79cb03cb4291f9948810c90ce420cdf85f60b689f4870c4aa21b44afbaa0a7