[INFO] fetching crate kir 0.1.2...
[INFO] checking kir-0.1.2 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate kir 0.1.2 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate kir 0.1.2
[INFO] finished tweaking crates.io crate kir 0.1.2
[INFO] tweaked toml for crates.io crate kir 0.1.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate kir 0.1.2 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate kir 0.1.2 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded kir-macros v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a79e15d55357d9c91c23d28187c994d48b1ef9d0ff22a3ab78c121c8ee6ed9c
[INFO] running `Command { std: "docker" "start" "-a" "3a79e15d55357d9c91c23d28187c994d48b1ef9d0ff22a3ab78c121c8ee6ed9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a79e15d55357d9c91c23d28187c994d48b1ef9d0ff22a3ab78c121c8ee6ed9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a79e15d55357d9c91c23d28187c994d48b1ef9d0ff22a3ab78c121c8ee6ed9c", kill_on_drop: false }`
[INFO] [stdout] 3a79e15d55357d9c91c23d28187c994d48b1ef9d0ff22a3ab78c121c8ee6ed9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57e58b4e44e68fb46e3fc6b0fb07b7e2043ad9b40037b3a340d09f696945b85f
[INFO] running `Command { std: "docker" "start" "-a" "57e58b4e44e68fb46e3fc6b0fb07b7e2043ad9b40037b3a340d09f696945b85f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]     Checking unicode-width v0.1.14
[INFO] [stderr]     Checking hashbrown v0.15.2
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking indexmap v2.7.0
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.95
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]    Compiling logos-codegen v0.14.4
[INFO] [stderr]    Compiling kir-macros v0.1.2
[INFO] [stderr]    Compiling logos-derive v0.14.4
[INFO] [stderr]     Checking logos v0.14.4
[INFO] [stderr]     Checking kir v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Design` is never constructed
[INFO] [stdout]    --> src/examples/ksim_ir.rs:314:12
[INFO] [stdout]     |
[INFO] [stdout] 314 | pub struct Design {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Cmp` is never used
[INFO] [stdout]   --> src/examples/ksim_ir.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub enum Cmp {
[INFO] [stdout]    |          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Prim` is never used
[INFO] [stdout]   --> src/examples/ksim_ir.rs:34:10
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub enum Prim {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CmpOp` is never constructed
[INFO] [stdout]   --> src/examples/ksim_ir.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub struct CmpOp {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PrimOp` is never constructed
[INFO] [stdout]   --> src/examples/ksim_ir.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub struct PrimOp {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CValueOp` is never constructed
[INFO] [stdout]   --> src/examples/ksim_ir.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub struct CValueOp {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CArrayOp` is never constructed
[INFO] [stdout]   --> src/examples/ksim_ir.rs:96:12
[INFO] [stdout]    |
[INFO] [stdout] 96 | pub struct CArrayOp {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ArrayOp` is never constructed
[INFO] [stdout]    --> src/examples/ksim_ir.rs:105:12
[INFO] [stdout]     |
[INFO] [stdout] 105 | pub struct ArrayOp {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ArrGetOp` is never constructed
[INFO] [stdout]    --> src/examples/ksim_ir.rs:119:12
[INFO] [stdout]     |
[INFO] [stdout] 119 | pub struct ArrGetOp {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SelectOp` is never constructed
[INFO] [stdout]    --> src/examples/ksim_ir.rs:135:12
[INFO] [stdout]     |
[INFO] [stdout] 135 | pub struct SelectOp {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SliceOp` is never constructed
[INFO] [stdout]    --> src/examples/ksim_ir.rs:152:12
[INFO] [stdout]     |
[INFO] [stdout] 152 | pub struct SliceOp {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MemOp` is never constructed
[INFO] [stdout]    --> src/examples/ksim_ir.rs:164:12
[INFO] [stdout]     |
[INFO] [stdout] 164 | pub struct MemOp {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MemWriteOp` is never constructed
[INFO] [stdout]    --> src/examples/ksim_ir.rs:173:12
[INFO] [stdout]     |
[INFO] [stdout] 173 | pub struct MemWriteOp {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RegOp` is never constructed
[INFO] [stdout]    --> src/examples/ksim_ir.rs:185:12
[INFO] [stdout]     |
[INFO] [stdout] 185 | pub struct RegOp {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InstOp` is never constructed
[INFO] [stdout]    --> src/examples/ksim_ir.rs:205:12
[INFO] [stdout]     |
[INFO] [stdout] 205 | pub struct InstOp {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ConcatOp` is never constructed
[INFO] [stdout]    --> src/examples/ksim_ir.rs:217:12
[INFO] [stdout]     |
[INFO] [stdout] 217 | pub struct ConcatOp {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CallOp` is never constructed
[INFO] [stdout]    --> src/examples/ksim_ir.rs:227:12
[INFO] [stdout]     |
[INFO] [stdout] 227 | pub struct CallOp {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NopOp` is never constructed
[INFO] [stdout]    --> src/examples/ksim_ir.rs:238:12
[INFO] [stdout]     |
[INFO] [stdout] 238 | pub struct NopOp {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StateOp` is never constructed
[INFO] [stdout]    --> src/examples/ksim_ir.rs:247:12
[INFO] [stdout]     |
[INFO] [stdout] 247 | pub struct StateOp {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ReadOp` is never constructed
[INFO] [stdout]    --> src/examples/ksim_ir.rs:256:12
[INFO] [stdout]     |
[INFO] [stdout] 256 | pub struct ReadOp {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WriteOp` is never constructed
[INFO] [stdout]    --> src/examples/ksim_ir.rs:265:12
[INFO] [stdout]     |
[INFO] [stdout] 265 | pub struct WriteOp {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Op` is never used
[INFO] [stdout]    --> src/examples/ksim_ir.rs:279:10
[INFO] [stdout]     |
[INFO] [stdout] 279 | pub enum Op {
[INFO] [stdout]     |          ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Module` is never constructed
[INFO] [stdout]    --> src/examples/ksim_ir.rs:301:12
[INFO] [stdout]     |
[INFO] [stdout] 301 | pub struct Module {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Design` is never constructed
[INFO] [stdout]    --> src/examples/ksim_ir.rs:314:12
[INFO] [stdout]     |
[INFO] [stdout] 314 | pub struct Design {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AddOp` is never constructed
[INFO] [stdout]  --> src/examples/sexpr.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct AddOp {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Op` is never used
[INFO] [stdout]   --> src/examples/sexpr.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub enum Op {
[INFO] [stdout]    |          ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Module` is never constructed
[INFO] [stdout]   --> src/examples/sexpr.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct Module {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.39s
[INFO] running `Command { std: "docker" "inspect" "57e58b4e44e68fb46e3fc6b0fb07b7e2043ad9b40037b3a340d09f696945b85f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57e58b4e44e68fb46e3fc6b0fb07b7e2043ad9b40037b3a340d09f696945b85f", kill_on_drop: false }`
[INFO] [stdout] 57e58b4e44e68fb46e3fc6b0fb07b7e2043ad9b40037b3a340d09f696945b85f