[INFO] fetching crate aml 0.13.0...
[INFO] checking aml-0.13.0 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate aml 0.13.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate aml 0.13.0 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate aml 0.13.0
[INFO] finished tweaking crates.io crate aml 0.13.0
[INFO] tweaked toml for crates.io crate aml 0.13.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed76fa86c8406caff4989adb4961db674b78c39782738fa60e161bd46f79ed30
[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" "ed76fa86c8406caff4989adb4961db674b78c39782738fa60e161bd46f79ed30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed76fa86c8406caff4989adb4961db674b78c39782738fa60e161bd46f79ed30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed76fa86c8406caff4989adb4961db674b78c39782738fa60e161bd46f79ed30", kill_on_drop: false }`
[INFO] [stdout] ed76fa86c8406caff4989adb4961db674b78c39782738fa60e161bd46f79ed30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 682ecfbde300532b6d3b5333fe34fe5612c9ee4c8fe031a8d4de53b641d6233f
[INFO] running `Command { std: "docker" "start" "-a" "682ecfbde300532b6d3b5333fe34fe5612c9ee4c8fe031a8d4de53b641d6233f", kill_on_drop: false }`
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]     Checking aml v0.13.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `flags`
[INFO] [stdout]    --> src/lib.rs:186:32
[INFO] [stdout]     |
[INFO] [stdout] 186 |             AmlValue::Method { flags, code } => {
[INFO] [stdout]     |                                ^^^^^ help: try ignoring the field: `flags: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `region_length`
[INFO] [stdout]    --> src/lib.rs:407:41
[INFO] [stdout]     |
[INFO] [stdout] 407 |         let (region_space, region_base, region_length, parent_device) = {
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_region_length`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `region_length`
[INFO] [stdout]    --> src/lib.rs:499:41
[INFO] [stdout]     |
[INFO] [stdout] 499 |         let (region_space, region_base, region_length, parent_device) = {
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_region_length`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `maximum_access_size`
[INFO] [stdout]    --> src/value.rs:356:17
[INFO] [stdout]     |
[INFO] [stdout] 356 |             let maximum_access_size = {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_maximum_access_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `region`
[INFO] [stdout]    --> src/value.rs:402:58
[INFO] [stdout]     |
[INFO] [stdout] 402 |         let field_update_rule = if let AmlValue::Field { region, flags, offset, length } = self {
[INFO] [stdout]     |                                                          ^^^^^^ help: try ignoring the field: `region: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]    --> src/value.rs:402:73
[INFO] [stdout]     |
[INFO] [stdout] 402 |         let field_update_rule = if let AmlValue::Field { region, flags, offset, length } = self {
[INFO] [stdout]     |                                                                         ^^^^^^ help: try ignoring the field: `offset: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `length`
[INFO] [stdout]    --> src/value.rs:402:81
[INFO] [stdout]     |
[INFO] [stdout] 402 |         let field_update_rule = if let AmlValue::Field { region, flags, offset, length } = self {
[INFO] [stdout]     |                                                                                 ^^^^^^ help: try ignoring the field: `length: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `maximum_access_size`
[INFO] [stdout]    --> src/value.rs:417:17
[INFO] [stdout]     |
[INFO] [stdout] 417 |             let maximum_access_size = {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_maximum_access_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `flags`
[INFO] [stdout]    --> src/lib.rs:186:32
[INFO] [stdout]     |
[INFO] [stdout] 186 |             AmlValue::Method { flags, code } => {
[INFO] [stdout]     |                                ^^^^^ help: try ignoring the field: `flags: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `region_length`
[INFO] [stdout]    --> src/lib.rs:407:41
[INFO] [stdout]     |
[INFO] [stdout] 407 |         let (region_space, region_base, region_length, parent_device) = {
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_region_length`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `region_length`
[INFO] [stdout]    --> src/lib.rs:499:41
[INFO] [stdout]     |
[INFO] [stdout] 499 |         let (region_space, region_base, region_length, parent_device) = {
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_region_length`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `device`
[INFO] [stdout]   --> src/test_utils.rs:53:52
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn read_pci_u8(&self, _segment: u16, _bus: u8, device: u8, _function: u8, _offset: u16) -> u8 {
[INFO] [stdout]    |                                                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_device`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `device`
[INFO] [stdout]   --> src/test_utils.rs:56:53
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn read_pci_u16(&self, _segment: u16, _bus: u8, device: u8, _function: u8, _offset: u16) -> u16 {
[INFO] [stdout]    |                                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_device`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `device`
[INFO] [stdout]   --> src/test_utils.rs:59:53
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn read_pci_u32(&self, _segment: u16, _bus: u8, device: u8, _function: u8, _offset: u16) -> u32 {
[INFO] [stdout]    |                                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_device`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `device`
[INFO] [stdout]   --> src/test_utils.rs:62:53
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn write_pci_u8(&self, _segment: u16, _bus: u8, device: u8, _function: u8, _offset: u16, _value: u8) {
[INFO] [stdout]    |                                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_device`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `device`
[INFO] [stdout]   --> src/test_utils.rs:65:54
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn write_pci_u16(&self, _segment: u16, _bus: u8, device: u8, _function: u8, _offset: u16, _value: u16) {
[INFO] [stdout]    |                                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_device`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `device`
[INFO] [stdout]   --> src/test_utils.rs:68:54
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn write_pci_u32(&self, _segment: u16, _bus: u8, device: u8, _function: u8, _offset: u16, _value: u32) {
[INFO] [stdout]    |                                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_device`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `maximum_access_size`
[INFO] [stdout]    --> src/value.rs:356:17
[INFO] [stdout]     |
[INFO] [stdout] 356 |             let maximum_access_size = {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_maximum_access_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `region`
[INFO] [stdout]    --> src/value.rs:402:58
[INFO] [stdout]     |
[INFO] [stdout] 402 |         let field_update_rule = if let AmlValue::Field { region, flags, offset, length } = self {
[INFO] [stdout]     |                                                          ^^^^^^ help: try ignoring the field: `region: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]    --> src/value.rs:402:73
[INFO] [stdout]     |
[INFO] [stdout] 402 |         let field_update_rule = if let AmlValue::Field { region, flags, offset, length } = self {
[INFO] [stdout]     |                                                                         ^^^^^^ help: try ignoring the field: `offset: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `length`
[INFO] [stdout]    --> src/value.rs:402:81
[INFO] [stdout]     |
[INFO] [stdout] 402 |         let field_update_rule = if let AmlValue::Field { region, flags, offset, length } = self {
[INFO] [stdout]     |                                                                                 ^^^^^^ help: try ignoring the field: `length: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `maximum_access_size`
[INFO] [stdout]    --> src/value.rs:417:17
[INFO] [stdout]     |
[INFO] [stdout] 417 |             let maximum_access_size = {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_maximum_access_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ACCESS_FIELD`
[INFO] [stdout]   --> src/opcode.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub const ACCESS_FIELD: u8 = 0x01;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `CONNECT_FIELD`
[INFO] [stdout]   --> src/opcode.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub const CONNECT_FIELD: u8 = 0x02;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `EXTENDED_ACCESS_FIELD`
[INFO] [stdout]   --> src/opcode.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub const EXTENDED_ACCESS_FIELD: u8 = 0x03;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ACCESS_FIELD`
[INFO] [stdout]   --> src/opcode.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub const ACCESS_FIELD: u8 = 0x01;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `CONNECT_FIELD`
[INFO] [stdout]   --> src/opcode.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub const CONNECT_FIELD: u8 = 0x02;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `EXTENDED_ACCESS_FIELD`
[INFO] [stdout]   --> src/opcode.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub const EXTENDED_ACCESS_FIELD: u8 = 0x03;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.58s
[INFO] running `Command { std: "docker" "inspect" "682ecfbde300532b6d3b5333fe34fe5612c9ee4c8fe031a8d4de53b641d6233f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "682ecfbde300532b6d3b5333fe34fe5612c9ee4c8fe031a8d4de53b641d6233f", kill_on_drop: false }`
[INFO] [stdout] 682ecfbde300532b6d3b5333fe34fe5612c9ee4c8fe031a8d4de53b641d6233f