[INFO] fetching crate hexagon-e 0.1.5...
[INFO] checking hexagon-e-0.1.5 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] extracting crate hexagon-e 0.1.5 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate hexagon-e 0.1.5 on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hexagon-e 0.1.5
[INFO] finished tweaking crates.io crate hexagon-e 0.1.5
[INFO] tweaked toml for crates.io crate hexagon-e 0.1.5 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47a654d2fb645ed69d36c585c2272e4a7c0b4893773f077d5d7dd55e78920d76
[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" "47a654d2fb645ed69d36c585c2272e4a7c0b4893773f077d5d7dd55e78920d76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47a654d2fb645ed69d36c585c2272e4a7c0b4893773f077d5d7dd55e78920d76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47a654d2fb645ed69d36c585c2272e4a7c0b4893773f077d5d7dd55e78920d76", kill_on_drop: false }`
[INFO] [stdout] 47a654d2fb645ed69d36c585c2272e4a7c0b4893773f077d5d7dd55e78920d76
[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" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f1d293d98b75b248a66b76017ffa8bf8543dfc0697a927daa93bd2ef4e4880a
[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" "4f1d293d98b75b248a66b76017ffa8bf8543dfc0697a927daa93bd2ef4e4880a", kill_on_drop: false }`
[INFO] [stderr]     Checking hexagon-e v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/vm.rs:449:64
[INFO] [stdout]     |
[INFO] [stdout] 449 |                 Opcode::I32Clz => run_unop!(self.env, i32, |v| unsafe { ::core::intrinsics::ctlz(v) }),
[INFO] [stdout]     |                                                                ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/vm.rs:450:64
[INFO] [stdout]     |
[INFO] [stdout] 450 |                 Opcode::I32Ctz => run_unop!(self.env, i32, |v| unsafe { ::core::intrinsics::cttz(v) }),
[INFO] [stdout]     |                                                                ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/vm.rs:451:67
[INFO] [stdout]     |
[INFO] [stdout] 451 |                 Opcode::I32Popcnt => run_unop!(self.env, i32, |v| unsafe { ::core::intrinsics::ctpop(v) }),
[INFO] [stdout]     |                                                                   ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/vm.rs:517:64
[INFO] [stdout]     |
[INFO] [stdout] 517 |                 Opcode::I64Clz => run_unop!(self.env, i64, |v| unsafe { ::core::intrinsics::ctlz(v) }),
[INFO] [stdout]     |                                                                ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/vm.rs:518:64
[INFO] [stdout]     |
[INFO] [stdout] 518 |                 Opcode::I64Ctz => run_unop!(self.env, i64, |v| unsafe { ::core::intrinsics::cttz(v) }),
[INFO] [stdout]     |                                                                ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/vm.rs:519:67
[INFO] [stdout]     |
[INFO] [stdout] 519 |                 Opcode::I64Popcnt => run_unop!(self.env, i64, |v| unsafe { ::core::intrinsics::ctpop(v) }),
[INFO] [stdout]     |                                                                   ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/vm.rs:449:64
[INFO] [stdout]     |
[INFO] [stdout] 449 |                 Opcode::I32Clz => run_unop!(self.env, i32, |v| unsafe { ::core::intrinsics::ctlz(v) }),
[INFO] [stdout]     |                                                                ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/vm.rs:450:64
[INFO] [stdout]     |
[INFO] [stdout] 450 |                 Opcode::I32Ctz => run_unop!(self.env, i32, |v| unsafe { ::core::intrinsics::cttz(v) }),
[INFO] [stdout]     |                                                                ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/vm.rs:451:67
[INFO] [stdout]     |
[INFO] [stdout] 451 |                 Opcode::I32Popcnt => run_unop!(self.env, i32, |v| unsafe { ::core::intrinsics::ctpop(v) }),
[INFO] [stdout]     |                                                                   ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/vm.rs:517:64
[INFO] [stdout]     |
[INFO] [stdout] 517 |                 Opcode::I64Clz => run_unop!(self.env, i64, |v| unsafe { ::core::intrinsics::ctlz(v) }),
[INFO] [stdout]     |                                                                ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/vm.rs:518:64
[INFO] [stdout]     |
[INFO] [stdout] 518 |                 Opcode::I64Ctz => run_unop!(self.env, i64, |v| unsafe { ::core::intrinsics::cttz(v) }),
[INFO] [stdout]     |                                                                ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/vm.rs:519:67
[INFO] [stdout]     |
[INFO] [stdout] 519 |                 Opcode::I64Popcnt => run_unop!(self.env, i64, |v| unsafe { ::core::intrinsics::ctpop(v) }),
[INFO] [stdout]     |                                                                   ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "4f1d293d98b75b248a66b76017ffa8bf8543dfc0697a927daa93bd2ef4e4880a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f1d293d98b75b248a66b76017ffa8bf8543dfc0697a927daa93bd2ef4e4880a", kill_on_drop: false }`
[INFO] [stdout] 4f1d293d98b75b248a66b76017ffa8bf8543dfc0697a927daa93bd2ef4e4880a