[INFO] cloning repository https://github.com/tgeng/cbpv
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tgeng/cbpv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftgeng%2Fcbpv", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftgeng%2Fcbpv'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 97276ff9a8f3bb36bf3e652d4ce65289a6f408d9
[INFO] checking tgeng/cbpv against master#068609ce766e55d2e7371cd2a86143a6d7e8e2e4 for pr-138952
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftgeng%2Fcbpv" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tgeng/cbpv on toolchain 068609ce766e55d2e7371cd2a86143a6d7e8e2e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+068609ce766e55d2e7371cd2a86143a6d7e8e2e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tgeng/cbpv
[INFO] finished tweaking git repo https://github.com/tgeng/cbpv
[INFO] tweaked toml for git repo https://github.com/tgeng/cbpv written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/tgeng/cbpv 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" "+068609ce766e55d2e7371cd2a86143a6d7e8e2e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cranelift-bitset v0.115.0
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[INFO] [stderr]   Downloaded cranelift-isle v0.115.0
[INFO] [stderr]   Downloaded cranelift-codegen v0.115.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+068609ce766e55d2e7371cd2a86143a6d7e8e2e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 282b37033bae73a607d21e2f81adcb09f6c69d7634b3220c6c37c4247f243bad
[INFO] running `Command { std: "docker" "start" "-a" "282b37033bae73a607d21e2f81adcb09f6c69d7634b3220c6c37c4247f243bad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "282b37033bae73a607d21e2f81adcb09f6c69d7634b3220c6c37c4247f243bad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "282b37033bae73a607d21e2f81adcb09f6c69d7634b3220c6c37c4247f243bad", kill_on_drop: false }`
[INFO] [stdout] 282b37033bae73a607d21e2f81adcb09f6c69d7634b3220c6c37c4247f243bad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+068609ce766e55d2e7371cd2a86143a6d7e8e2e4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e34f5c23efde4fdcb192713bc62750fbc09cc99d14810ff183a8eeb199ecae3
[INFO] running `Command { std: "docker" "start" "-a" "2e34f5c23efde4fdcb192713bc62750fbc09cc99d14810ff183a8eeb199ecae3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling cranelift-isle v0.115.0
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking foldhash v0.1.4
[INFO] [stderr]     Checking hashbrown v0.14.5
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[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.115.0
[INFO] [stderr]     Checking hashbrown v0.15.2
[INFO] [stderr]     Checking cranelift-bitset v0.115.0
[INFO] [stderr]     Checking allocator-api2 v0.2.21
[INFO] [stderr]     Checking cranelift-entity v0.115.0
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking arbitrary v1.3.2
[INFO] [stderr]     Checking bumpalo v3.16.0
[INFO] [stderr]     Checking rustc-hash v2.1.0
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking cranelift-bforest v0.115.0
[INFO] [stderr]     Checking indexmap v2.2.6
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking regalloc2 v0.11.1
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling syn v2.0.94
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking cranelift-control v0.115.0
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]     Checking memchr v2.7.4
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[INFO] [stderr]    Compiling rand v0.8.5
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[INFO] [stderr]    Compiling rustversion v1.0.17
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[INFO] [stderr]    Compiling phf_generator v0.11.2
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[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking either v1.12.0
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking region v3.0.2
[INFO] [stderr]     Checking wasmtime-jit-icache-coherence v28.0.0
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[INFO] [stderr]    Compiling heck v0.5.0
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[INFO] [stderr]     Checking home v0.5.9
[INFO] [stderr]    Compiling cranelift-codegen v0.115.0
[INFO] [stderr]    Compiling function_name-proc-macro v0.3.0
[INFO] [stderr]     Checking function_name v0.3.0
[INFO] [stderr]     Checking nom_locate v4.2.0
[INFO] [stderr]    Compiling enum-ordinalize-derive v4.3.1
[INFO] [stderr]    Compiling phf_macros v0.11.2
[INFO] [stderr]    Compiling enum-map-derive v0.17.0
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]     Checking enum-ordinalize v4.3.0
[INFO] [stderr]     Checking archon-vm-runtime v0.1.0 (/opt/rustwide/workdir/runtime)
[INFO] [stderr]     Checking enum-map v2.7.3
[INFO] [stdout] warning: unused import: `crate::debug_helper::trace_continuation`
[INFO] [stdout]  --> runtime/src/runtime_utils.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::debug_helper::trace_continuation;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::arch::global_asm`
[INFO] [stdout]  --> runtime/src/runtime_utils.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::arch::global_asm;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> runtime/src/runtime_utils.rs:465:9
[INFO] [stdout]     |
[INFO] [stdout] 465 |     let mut next_base_address = if (*next_continuation).state == usize::MAX {
[INFO] [stdout]     |         ----^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking phf v0.11.2
[INFO] [stdout] warning: `extern` block uses type `u128`, which is not FFI-safe
[INFO] [stdout]   --> runtime/src/runtime_utils.rs:86:18
[INFO] [stdout]    |
[INFO] [stdout] 86 |         handler: *const Handler,              // x5
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: 128-bit integers don't currently have a known stable ABI
[INFO] [stdout]    = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `u128`, which is not FFI-safe
[INFO] [stdout]   --> runtime/src/runtime_utils.rs:96:18
[INFO] [stdout]    |
[INFO] [stdout] 96 |         handler: *const Handler,                // x3
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: 128-bit integers don't currently have a known stable ABI
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking cranelift-module v0.115.0
[INFO] [stderr]     Checking cranelift-frontend v0.115.0
[INFO] [stderr]     Checking cranelift-native v0.115.0
[INFO] [stderr]     Checking cranelift-object v0.115.0
[INFO] [stderr]     Checking cranelift-jit v0.115.0
[INFO] [stderr]     Checking cranelift v0.115.0
[INFO] [stderr]     Checking archon-vm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::arch::global_asm`
[INFO] [stdout]   --> src/backend/compiler.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::arch::global_asm;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TrapCode`
[INFO] [stdout]   --> src/backend/cps_function_translator.rs:11:56
[INFO] [stdout]    |
[INFO] [stdout] 11 | use cranelift::prelude::{Block, InstBuilder, MemFlags, TrapCode, Value};
[INFO] [stdout]    |                                                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::arch::global_asm`
[INFO] [stdout]   --> src/backend/compiler.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::arch::global_asm;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TrapCode`
[INFO] [stdout]   --> src/backend/cps_function_translator.rs:11:56
[INFO] [stdout]    |
[INFO] [stdout] 11 | use cranelift::prelude::{Block, InstBuilder, MemFlags, TrapCode, Value};
[INFO] [stdout]    |                                                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]    --> src/backend/common.rs:295:45
[INFO] [stdout]     |
[INFO] [stdout] 295 |     fn trivial_continuation_impl<M: Module>(m: &mut M, builder: &mut FunctionBuilder) {
[INFO] [stdout]     |                                             ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]    --> src/backend/common.rs:295:45
[INFO] [stdout]     |
[INFO] [stdout] 295 |     fn trivial_continuation_impl<M: Module>(m: &mut M, builder: &mut FunctionBuilder) {
[INFO] [stdout]     |                                             ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `fn() -> usize`, which is not FFI-safe
[INFO] [stdout]    --> src/backend/compiler.rs:102:36
[INFO] [stdout]     |
[INFO] [stdout] 102 |     fn invoke_compiled_function(f: fn() -> usize) -> usize;
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using an `extern fn(...) -> ...` function pointer instead
[INFO] [stdout]     = note: this function pointer has Rust-specific calling convention
[INFO] [stdout]     = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `fn() -> usize`, which is not FFI-safe
[INFO] [stdout]    --> src/backend/compiler.rs:102:36
[INFO] [stdout]     |
[INFO] [stdout] 102 |     fn invoke_compiled_function(f: fn() -> usize) -> usize;
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using an `extern fn(...) -> ...` function pointer instead
[INFO] [stdout]     = note: this function pointer has Rust-specific calling convention
[INFO] [stdout]     = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MemFlags`
[INFO] [stdout]  --> src/bin/asm_gen_playground.rs:6:70
[INFO] [stdout]   |
[INFO] [stdout] 6 | use cranelift::prelude::{AbiParam, Block, Configurable, InstBuilder, MemFlags, Signature};
[INFO] [stdout]   |                                                                      ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MemFlags`
[INFO] [stdout]  --> src/bin/asm_gen_playground.rs:6:70
[INFO] [stdout]   |
[INFO] [stdout] 6 | use cranelift::prelude::{AbiParam, Block, Configurable, InstBuilder, MemFlags, Signature};
[INFO] [stdout]   |                                                                      ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `module`
[INFO] [stdout]   --> src/bin/asm_gen_playground.rs:96:54
[INFO] [stdout]    |
[INFO] [stdout] 96 |     let bar = compiler.define_function("bar", &sig, |module, builder, entry_block| {
[INFO] [stdout]    |                                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_module`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `func_id`, and `clir` are never read
[INFO] [stdout]   --> src/bin/asm_gen_playground.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct FunctionDefinition {
[INFO] [stdout]    |        ------------------ fields in this struct
[INFO] [stdout] 20 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 21 |     func_id: FuncId,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 22 |     clir: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `declare_function` is never used
[INFO] [stdout]   --> src/bin/asm_gen_playground.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | impl Compiler {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 52 |     fn declare_function(&mut self, name: &str, sig: &Signature) -> FuncId {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `module`
[INFO] [stdout]   --> src/bin/asm_gen_playground.rs:96:54
[INFO] [stdout]    |
[INFO] [stdout] 96 |     let bar = compiler.define_function("bar", &sig, |module, builder, entry_block| {
[INFO] [stdout]    |                                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_module`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `func_id`, and `clir` are never read
[INFO] [stdout]   --> src/bin/asm_gen_playground.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct FunctionDefinition {
[INFO] [stdout]    |        ------------------ fields in this struct
[INFO] [stdout] 20 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 21 |     func_id: FuncId,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 22 |     clir: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `declare_function` is never used
[INFO] [stdout]   --> src/bin/asm_gen_playground.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | impl Compiler {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 52 |     fn declare_function(&mut self, name: &str, sig: &Signature) -> FuncId {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 58.92s
[INFO] running `Command { std: "docker" "inspect" "2e34f5c23efde4fdcb192713bc62750fbc09cc99d14810ff183a8eeb199ecae3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e34f5c23efde4fdcb192713bc62750fbc09cc99d14810ff183a8eeb199ecae3", kill_on_drop: false }`
[INFO] [stdout] 2e34f5c23efde4fdcb192713bc62750fbc09cc99d14810ff183a8eeb199ecae3