[INFO] cloning repository https://github.com/proxin187/cortex-m4
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/proxin187/cortex-m4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fproxin187%2Fcortex-m4", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5c96e8741cd91302a8e09534c52152c78e0ed505
[INFO] building proxin187/cortex-m4 against try#8b8eff55bd72abbb57167bc42222a7f91d41cb0d for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fproxin187%2Fcortex-m4" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/proxin187/cortex-m4 on toolchain 8b8eff55bd72abbb57167bc42222a7f91d41cb0d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/proxin187/cortex-m4
[INFO] finished tweaking git repo https://github.com/proxin187/cortex-m4
[INFO] tweaked toml for git repo https://github.com/proxin187/cortex-m4 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/proxin187/cortex-m4 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" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 60b352b0bc834ac7d9467b90cec7877a4de7979514b8516bb05bccd7eb475dde
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[INFO] [stderr]    Compiling rustix v0.38.37
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[INFO] [stderr]    Compiling ahash v0.8.11
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[INFO] [stderr]    Compiling lock_api v0.4.12
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[INFO] [stderr]    Compiling cortex-m4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `halfword`
[INFO] [stdout]   --> src/processor/decoder.rs:19:26
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn decode(&self, halfword: u16) -> InstructionKind {
[INFO] [stdout]    |                          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_halfword`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rm`
[INFO] [stdout]    --> src/processor/mod.rs:115:36
[INFO] [stdout]     |
[INFO] [stdout] 115 |             InstructionKind::Blx { rm } => {
[INFO] [stdout]     |                                    ^^ help: try ignoring the field: `rm: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rm`
[INFO] [stdout]    --> src/processor/mod.rs:136:39
[INFO] [stdout]     |
[INFO] [stdout] 136 |             InstructionKind::LdrReg { rm, rn, rt } => {
[INFO] [stdout]     |                                       ^^ help: try ignoring the field: `rm: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rn`
[INFO] [stdout]    --> src/processor/mod.rs:136:43
[INFO] [stdout]     |
[INFO] [stdout] 136 |             InstructionKind::LdrReg { rm, rn, rt } => {
[INFO] [stdout]     |                                           ^^ help: try ignoring the field: `rn: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rt`
[INFO] [stdout]    --> src/processor/mod.rs:136:47
[INFO] [stdout]     |
[INFO] [stdout] 136 |             InstructionKind::LdrReg { rm, rn, rt } => {
[INFO] [stdout]     |                                               ^^ help: try ignoring the field: `rt: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Imm16` is never constructed
[INFO] [stdout]  --> src/processor/instruction.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Source {
[INFO] [stdout]   |          ------ variant in this enum
[INFO] [stdout] 5 |     Imm8(u8),
[INFO] [stdout] 6 |     Imm16(u16),
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Source` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `private` is never read
[INFO] [stdout]   --> src/processor/registers.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct Control {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 10 |     pub private: bool,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Control` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `unset` is never used
[INFO] [stdout]   --> src/processor/registers.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 55 | impl PSR {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 70 |     pub fn unset(&mut self, bit: u32) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Ram` is never constructed
[INFO] [stdout]   --> src/processor/registers.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub enum TableBase {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] 76 |     Code,
[INFO] [stdout] 77 |     Ram,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `halfword` is never read
[INFO] [stdout]  --> src/processor/decoder.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Thumb32 {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 9 |     halfword: u16,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `MemManage`, `SVCall`, `DebugMonitor`, `PendSV`, `SysTick`, and `Interrupt` are never constructed
[INFO] [stdout]   --> src/processor/fault.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub enum Exception {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 20 |     MemManage,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     SVCall,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 24 |     DebugMonitor,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 25 |     PendSV,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 26 |     SysTick,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 27 |     Interrupt {
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Exception` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 49.08s
[INFO] running `Command { std: "docker" "inspect" "60b352b0bc834ac7d9467b90cec7877a4de7979514b8516bb05bccd7eb475dde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60b352b0bc834ac7d9467b90cec7877a4de7979514b8516bb05bccd7eb475dde", kill_on_drop: false }`
[INFO] [stdout] 60b352b0bc834ac7d9467b90cec7877a4de7979514b8516bb05bccd7eb475dde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e3e56ff473e9c6d35d14ca1cde781097de8257f4abaa26b3d8b6ef4c1fc34c7
[INFO] running `Command { std: "docker" "start" "-a" "8e3e56ff473e9c6d35d14ca1cde781097de8257f4abaa26b3d8b6ef4c1fc34c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling cortex-m4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `halfword`
[INFO] [stdout]   --> src/processor/decoder.rs:19:26
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn decode(&self, halfword: u16) -> InstructionKind {
[INFO] [stdout]    |                          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_halfword`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rm`
[INFO] [stdout]    --> src/processor/mod.rs:115:36
[INFO] [stdout]     |
[INFO] [stdout] 115 |             InstructionKind::Blx { rm } => {
[INFO] [stdout]     |                                    ^^ help: try ignoring the field: `rm: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rm`
[INFO] [stdout]    --> src/processor/mod.rs:136:39
[INFO] [stdout]     |
[INFO] [stdout] 136 |             InstructionKind::LdrReg { rm, rn, rt } => {
[INFO] [stdout]     |                                       ^^ help: try ignoring the field: `rm: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rn`
[INFO] [stdout]    --> src/processor/mod.rs:136:43
[INFO] [stdout]     |
[INFO] [stdout] 136 |             InstructionKind::LdrReg { rm, rn, rt } => {
[INFO] [stdout]     |                                           ^^ help: try ignoring the field: `rn: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rt`
[INFO] [stdout]    --> src/processor/mod.rs:136:47
[INFO] [stdout]     |
[INFO] [stdout] 136 |             InstructionKind::LdrReg { rm, rn, rt } => {
[INFO] [stdout]     |                                               ^^ help: try ignoring the field: `rt: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Imm16` is never constructed
[INFO] [stdout]  --> src/processor/instruction.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Source {
[INFO] [stdout]   |          ------ variant in this enum
[INFO] [stdout] 5 |     Imm8(u8),
[INFO] [stdout] 6 |     Imm16(u16),
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Source` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `private` is never read
[INFO] [stdout]   --> src/processor/registers.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct Control {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 10 |     pub private: bool,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Control` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `unset` is never used
[INFO] [stdout]   --> src/processor/registers.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 55 | impl PSR {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 70 |     pub fn unset(&mut self, bit: u32) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Ram` is never constructed
[INFO] [stdout]   --> src/processor/registers.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub enum TableBase {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] 76 |     Code,
[INFO] [stdout] 77 |     Ram,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `halfword` is never read
[INFO] [stdout]  --> src/processor/decoder.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Thumb32 {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 9 |     halfword: u16,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `SVCall`, `DebugMonitor`, `PendSV`, and `Interrupt` are never constructed
[INFO] [stdout]   --> src/processor/fault.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub enum Exception {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 23 |     SVCall,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 24 |     DebugMonitor,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 25 |     PendSV,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 26 |     SysTick,
[INFO] [stdout] 27 |     Interrupt {
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Exception` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "8e3e56ff473e9c6d35d14ca1cde781097de8257f4abaa26b3d8b6ef4c1fc34c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e3e56ff473e9c6d35d14ca1cde781097de8257f4abaa26b3d8b6ef4c1fc34c7", kill_on_drop: false }`
[INFO] [stdout] 8e3e56ff473e9c6d35d14ca1cde781097de8257f4abaa26b3d8b6ef4c1fc34c7