[INFO] fetching crate elf-riscv32 0.0.1...
[INFO] checking elf-riscv32-0.0.1 against master#5a45ab9738330fb317d49e3594c2db5248b1e971 for pr-136303
[INFO] extracting crate elf-riscv32 0.0.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate elf-riscv32 0.0.1 on toolchain 5a45ab9738330fb317d49e3594c2db5248b1e971
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate elf-riscv32 0.0.1
[INFO] finished tweaking crates.io crate elf-riscv32 0.0.1
[INFO] tweaked toml for crates.io crate elf-riscv32 0.0.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate elf-riscv32 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 799d36ba3174ab36e4bc03a408b6e09079567279ebad24a4319b21247fb4e427
[INFO] running `Command { std: "docker" "start" "-a" "799d36ba3174ab36e4bc03a408b6e09079567279ebad24a4319b21247fb4e427", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "799d36ba3174ab36e4bc03a408b6e09079567279ebad24a4319b21247fb4e427", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "799d36ba3174ab36e4bc03a408b6e09079567279ebad24a4319b21247fb4e427", kill_on_drop: false }`
[INFO] [stdout] 799d36ba3174ab36e4bc03a408b6e09079567279ebad24a4319b21247fb4e427
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e84b986ca5ebefd0ab71325983687b84956cd4da470371b4d75ef2ee08f9f6c2
[INFO] running `Command { std: "docker" "start" "-a" "e84b986ca5ebefd0ab71325983687b84956cd4da470371b4d75ef2ee08f9f6c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking elf-riscv32 v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/lib.rs:237:50
[INFO] [stdout]     |
[INFO] [stdout] 219 | impl<'a> Elf<'a> {
[INFO] [stdout]     |      -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 237 |     pub fn programs(&'a self) -> Result<TableIter<Program<'a>>> {
[INFO] [stdout]     |                                                  ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/lib.rs:249:50
[INFO] [stdout]     |
[INFO] [stdout] 219 | impl<'a> Elf<'a> {
[INFO] [stdout]     |      -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 249 |     pub fn sections(&'a self) -> Result<TableIter<Section<'a>>> {
[INFO] [stdout]     |                                                  ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/lib.rs:237:50
[INFO] [stdout]     |
[INFO] [stdout] 219 | impl<'a> Elf<'a> {
[INFO] [stdout]     |      -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 237 |     pub fn programs(&'a self) -> Result<TableIter<Program<'a>>> {
[INFO] [stdout]     |                                                  ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/lib.rs:249:50
[INFO] [stdout]     |
[INFO] [stdout] 219 | impl<'a> Elf<'a> {
[INFO] [stdout]     |      -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 249 |     pub fn sections(&'a self) -> Result<TableIter<Section<'a>>> {
[INFO] [stdout]     |                                                  ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/lib.rs:13:27
[INFO] [stdout]     |
[INFO] [stdout] 13  |           $vis struct $name($ty);
[INFO] [stdout]     |  ___________________________^
[INFO] [stdout] 14  | |         impl $name {
[INFO] [stdout] 15  | |             $(
[INFO] [stdout] 16  | |                 #[allow(non_upper_case_globals)]
[INFO] [stdout] ...   |
[INFO] [stdout] 28  | |                 #[derive(Debug)]
[INFO] [stdout] 29  | |                 struct Unknown($ty);
[INFO] [stdout]     | |________________________-------___^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 577 | / c_enum!{
[INFO] [stdout] 578 | |     pub FileType(u16) {
[INFO] [stdout] 579 | |         None = 0,
[INFO] [stdout] 580 | |         Relocatable = 1,
[INFO] [stdout] ...   |
[INFO] [stdout] 584 | |     } v => Err(Error::UnsupportedFileType(v))
[INFO] [stdout] 585 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `Unknown` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `c_enum` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/lib.rs:13:27
[INFO] [stdout]     |
[INFO] [stdout] 13  |           $vis struct $name($ty);
[INFO] [stdout]     |  ___________________________^
[INFO] [stdout] 14  | |         impl $name {
[INFO] [stdout] 15  | |             $(
[INFO] [stdout] 16  | |                 #[allow(non_upper_case_globals)]
[INFO] [stdout] ...   |
[INFO] [stdout] 28  | |                 #[derive(Debug)]
[INFO] [stdout] 29  | |                 struct Unknown($ty);
[INFO] [stdout]     | |________________________-------___^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 586 | / c_enum!{
[INFO] [stdout] 587 | |     pub Machine(u16) {
[INFO] [stdout] 588 | |         RiscV = 243
[INFO] [stdout] 589 | |     } v => Err(Error::UnsupportedMachine(v))
[INFO] [stdout] 590 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `Unknown` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `c_enum` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/lib.rs:13:27
[INFO] [stdout]     |
[INFO] [stdout] 13  |           $vis struct $name($ty);
[INFO] [stdout]     |  ___________________________^
[INFO] [stdout] 14  | |         impl $name {
[INFO] [stdout] 15  | |             $(
[INFO] [stdout] 16  | |                 #[allow(non_upper_case_globals)]
[INFO] [stdout] ...   |
[INFO] [stdout] 28  | |                 #[derive(Debug)]
[INFO] [stdout] 29  | |                 struct Unknown($ty);
[INFO] [stdout]     | |________________________-------___^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 591 | / c_enum!{
[INFO] [stdout] 592 | |     pub ProgramType(u32) {
[INFO] [stdout] 593 | |         Null = 0,
[INFO] [stdout] 594 | |         Load = 1,
[INFO] [stdout] ...   |
[INFO] [stdout] 602 | |     } v => Err(Error::UnsupportedProgramType(v))
[INFO] [stdout] 603 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `Unknown` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `c_enum` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/lib.rs:60:27
[INFO] [stdout]     |
[INFO] [stdout] 60  |           $vis struct $name($ty);
[INFO] [stdout]     |  ___________________________^
[INFO] [stdout] 61  | |         impl $name {
[INFO] [stdout] 62  | |             #[allow(non_upper_case_globals)]
[INFO] [stdout] 63  | |             $vis const None: Self = Self(0);
[INFO] [stdout] ...   |
[INFO] [stdout] 120 | |                 #[derive(Debug)]
[INFO] [stdout] 121 | |                 struct Unknown($ty);
[INFO] [stdout]     | |________________________-------___^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 604 | / c_flags!{
[INFO] [stdout] 605 | |     pub ProgramFlags(u32) {
[INFO] [stdout] 606 | |         Read = 0b001,
[INFO] [stdout] 607 | |         Exec = 0b010,
[INFO] [stdout] 608 | |         Write = 0b100
[INFO] [stdout] 609 | |     } v => Err(Error::UnsupportedProgramFlags(v))
[INFO] [stdout] 610 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `Unknown` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `c_flags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/lib.rs:13:27
[INFO] [stdout]     |
[INFO] [stdout] 13  |           $vis struct $name($ty);
[INFO] [stdout]     |  ___________________________^
[INFO] [stdout] 14  | |         impl $name {
[INFO] [stdout] 15  | |             $(
[INFO] [stdout] 16  | |                 #[allow(non_upper_case_globals)]
[INFO] [stdout] ...   |
[INFO] [stdout] 28  | |                 #[derive(Debug)]
[INFO] [stdout] 29  | |                 struct Unknown($ty);
[INFO] [stdout]     | |________________________-------___^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 611 | / c_enum!{
[INFO] [stdout] 612 | |     pub SectionType(u32) {
[INFO] [stdout] 613 | |         Null = 0,
[INFO] [stdout] 614 | |         Program = 1,
[INFO] [stdout] ...   |
[INFO] [stdout] 629 | |     } v => Err(Error::UnsupportedSectionType(v))
[INFO] [stdout] 630 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `Unknown` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `c_enum` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/lib.rs:60:27
[INFO] [stdout]     |
[INFO] [stdout] 60  |           $vis struct $name($ty);
[INFO] [stdout]     |  ___________________________^
[INFO] [stdout] 61  | |         impl $name {
[INFO] [stdout] 62  | |             #[allow(non_upper_case_globals)]
[INFO] [stdout] 63  | |             $vis const None: Self = Self(0);
[INFO] [stdout] ...   |
[INFO] [stdout] 120 | |                 #[derive(Debug)]
[INFO] [stdout] 121 | |                 struct Unknown($ty);
[INFO] [stdout]     | |________________________-------___^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 631 | / c_flags!{
[INFO] [stdout] 632 | |     pub SectionFlags(u32) {
[INFO] [stdout] 633 | |         Write = 0x1,
[INFO] [stdout] 634 | |         Alloc = 0x2,
[INFO] [stdout] ...   |
[INFO] [stdout] 644 | |     } v => Err(Error::UnsupportedSectionFlags(v))
[INFO] [stdout] 645 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `Unknown` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `c_flags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/lib.rs:13:27
[INFO] [stdout]     |
[INFO] [stdout] 13  |           $vis struct $name($ty);
[INFO] [stdout]     |  ___________________________^
[INFO] [stdout] 14  | |         impl $name {
[INFO] [stdout] 15  | |             $(
[INFO] [stdout] 16  | |                 #[allow(non_upper_case_globals)]
[INFO] [stdout] ...   |
[INFO] [stdout] 28  | |                 #[derive(Debug)]
[INFO] [stdout] 29  | |                 struct Unknown($ty);
[INFO] [stdout]     | |________________________-------___^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 577 | / c_enum!{
[INFO] [stdout] 578 | |     pub FileType(u16) {
[INFO] [stdout] 579 | |         None = 0,
[INFO] [stdout] 580 | |         Relocatable = 1,
[INFO] [stdout] ...   |
[INFO] [stdout] 584 | |     } v => Err(Error::UnsupportedFileType(v))
[INFO] [stdout] 585 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `Unknown` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `c_enum` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/lib.rs:13:27
[INFO] [stdout]     |
[INFO] [stdout] 13  |           $vis struct $name($ty);
[INFO] [stdout]     |  ___________________________^
[INFO] [stdout] 14  | |         impl $name {
[INFO] [stdout] 15  | |             $(
[INFO] [stdout] 16  | |                 #[allow(non_upper_case_globals)]
[INFO] [stdout] ...   |
[INFO] [stdout] 28  | |                 #[derive(Debug)]
[INFO] [stdout] 29  | |                 struct Unknown($ty);
[INFO] [stdout]     | |________________________-------___^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 586 | / c_enum!{
[INFO] [stdout] 587 | |     pub Machine(u16) {
[INFO] [stdout] 588 | |         RiscV = 243
[INFO] [stdout] 589 | |     } v => Err(Error::UnsupportedMachine(v))
[INFO] [stdout] 590 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `Unknown` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `c_enum` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/lib.rs:13:27
[INFO] [stdout]     |
[INFO] [stdout] 13  |           $vis struct $name($ty);
[INFO] [stdout]     |  ___________________________^
[INFO] [stdout] 14  | |         impl $name {
[INFO] [stdout] 15  | |             $(
[INFO] [stdout] 16  | |                 #[allow(non_upper_case_globals)]
[INFO] [stdout] ...   |
[INFO] [stdout] 28  | |                 #[derive(Debug)]
[INFO] [stdout] 29  | |                 struct Unknown($ty);
[INFO] [stdout]     | |________________________-------___^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 591 | / c_enum!{
[INFO] [stdout] 592 | |     pub ProgramType(u32) {
[INFO] [stdout] 593 | |         Null = 0,
[INFO] [stdout] 594 | |         Load = 1,
[INFO] [stdout] ...   |
[INFO] [stdout] 602 | |     } v => Err(Error::UnsupportedProgramType(v))
[INFO] [stdout] 603 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `Unknown` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `c_enum` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/lib.rs:60:27
[INFO] [stdout]     |
[INFO] [stdout] 60  |           $vis struct $name($ty);
[INFO] [stdout]     |  ___________________________^
[INFO] [stdout] 61  | |         impl $name {
[INFO] [stdout] 62  | |             #[allow(non_upper_case_globals)]
[INFO] [stdout] 63  | |             $vis const None: Self = Self(0);
[INFO] [stdout] ...   |
[INFO] [stdout] 120 | |                 #[derive(Debug)]
[INFO] [stdout] 121 | |                 struct Unknown($ty);
[INFO] [stdout]     | |________________________-------___^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 604 | / c_flags!{
[INFO] [stdout] 605 | |     pub ProgramFlags(u32) {
[INFO] [stdout] 606 | |         Read = 0b001,
[INFO] [stdout] 607 | |         Exec = 0b010,
[INFO] [stdout] 608 | |         Write = 0b100
[INFO] [stdout] 609 | |     } v => Err(Error::UnsupportedProgramFlags(v))
[INFO] [stdout] 610 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `Unknown` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `c_flags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/lib.rs:13:27
[INFO] [stdout]     |
[INFO] [stdout] 13  |           $vis struct $name($ty);
[INFO] [stdout]     |  ___________________________^
[INFO] [stdout] 14  | |         impl $name {
[INFO] [stdout] 15  | |             $(
[INFO] [stdout] 16  | |                 #[allow(non_upper_case_globals)]
[INFO] [stdout] ...   |
[INFO] [stdout] 28  | |                 #[derive(Debug)]
[INFO] [stdout] 29  | |                 struct Unknown($ty);
[INFO] [stdout]     | |________________________-------___^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 611 | / c_enum!{
[INFO] [stdout] 612 | |     pub SectionType(u32) {
[INFO] [stdout] 613 | |         Null = 0,
[INFO] [stdout] 614 | |         Program = 1,
[INFO] [stdout] ...   |
[INFO] [stdout] 629 | |     } v => Err(Error::UnsupportedSectionType(v))
[INFO] [stdout] 630 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `Unknown` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `c_enum` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/lib.rs:60:27
[INFO] [stdout]     |
[INFO] [stdout] 60  |           $vis struct $name($ty);
[INFO] [stdout]     |  ___________________________^
[INFO] [stdout] 61  | |         impl $name {
[INFO] [stdout] 62  | |             #[allow(non_upper_case_globals)]
[INFO] [stdout] 63  | |             $vis const None: Self = Self(0);
[INFO] [stdout] ...   |
[INFO] [stdout] 120 | |                 #[derive(Debug)]
[INFO] [stdout] 121 | |                 struct Unknown($ty);
[INFO] [stdout]     | |________________________-------___^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 631 | / c_flags!{
[INFO] [stdout] 632 | |     pub SectionFlags(u32) {
[INFO] [stdout] 633 | |         Write = 0x1,
[INFO] [stdout] 634 | |         Alloc = 0x2,
[INFO] [stdout] ...   |
[INFO] [stdout] 644 | |     } v => Err(Error::UnsupportedSectionFlags(v))
[INFO] [stdout] 645 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `Unknown` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: this warning originates in the macro `c_flags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "e84b986ca5ebefd0ab71325983687b84956cd4da470371b4d75ef2ee08f9f6c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e84b986ca5ebefd0ab71325983687b84956cd4da470371b4d75ef2ee08f9f6c2", kill_on_drop: false }`
[INFO] [stdout] e84b986ca5ebefd0ab71325983687b84956cd4da470371b4d75ef2ee08f9f6c2