[INFO] cloning repository https://github.com/xyjixyjixyji/c0c
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xyjixyjixyji/c0c" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxyjixyjixyji%2Fc0c", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxyjixyjixyji%2Fc0c'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 09b59f68f88704a7a877b1ae5a36dd3844863b13
[INFO] checking xyjixyjixyji/c0c against try#09335b6f1bff25ec39f47f1533e126fbe1ca5f5d for pr-139493-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxyjixyjixyji%2Fc0c" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/xyjixyjixyji/c0c
[INFO] finished tweaking git repo https://github.com/xyjixyjixyji/c0c
[INFO] tweaked toml for git repo https://github.com/xyjixyjixyji/c0c written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/xyjixyjixyji/c0c on toolchain 09335b6f1bff25ec39f47f1533e126fbe1ca5f5d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09335b6f1bff25ec39f47f1533e126fbe1ca5f5d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/xyjixyjixyji/c0c 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" "+09335b6f1bff25ec39f47f1533e126fbe1ca5f5d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: file `/workspace/builds/worker-3-tc2/source/src/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `lib` target `compile_wasm`
[INFO] [stderr]   * `bin` target `c0c`
[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_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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+09335b6f1bff25ec39f47f1533e126fbe1ca5f5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5563bd722e4954c3e0f2d9fa3ee7a45bb06202dba6075ec2b6fef60e7a42f1cd
[INFO] running `Command { std: "docker" "start" "-a" "5563bd722e4954c3e0f2d9fa3ee7a45bb06202dba6075ec2b6fef60e7a42f1cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5563bd722e4954c3e0f2d9fa3ee7a45bb06202dba6075ec2b6fef60e7a42f1cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5563bd722e4954c3e0f2d9fa3ee7a45bb06202dba6075ec2b6fef60e7a42f1cd", kill_on_drop: false }`
[INFO] [stdout] 5563bd722e4954c3e0f2d9fa3ee7a45bb06202dba6075ec2b6fef60e7a42f1cd
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+09335b6f1bff25ec39f47f1533e126fbe1ca5f5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cdd27fc81d364cc4a18e63a277b411c5687d8d16cb031821f6cbf55781bba08a
[INFO] running `Command { std: "docker" "start" "-a" "cdd27fc81d364cc4a18e63a277b411c5687d8d16cb031821f6cbf55781bba08a", kill_on_drop: false }`
[INFO] [stderr] warning: file `/opt/rustwide/workdir/src/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `lib` target `compile_wasm`
[INFO] [stderr]   * `bin` target `c0c`
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling serde v1.0.198
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]    Compiling either v1.11.0
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling rustversion v1.0.15
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]     Checking winnow v0.6.6
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling anyhow v1.0.82
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling ena v0.14.2
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling serde_json v1.0.116
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling petgraph v0.6.4
[INFO] [stderr]    Compiling syn v2.0.59
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling ascii-canvas v3.0.0
[INFO] [stderr]    Compiling string_cache v0.8.7
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]    Compiling logos-derive v0.12.1
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking lalrpop-util v0.20.2
[INFO] [stderr]     Checking env_logger v0.10.2
[INFO] [stderr]     Checking logos v0.12.1
[INFO] [stderr]    Compiling lalrpop v0.20.2
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.92
[INFO] [stderr]    Compiling serde_derive v1.0.198
[INFO] [stderr]    Compiling strum_macros v0.25.3
[INFO] [stderr]    Compiling enum-as-inner v0.6.0
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.92
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.92
[INFO] [stderr]     Checking wasm-bindgen v0.2.92
[INFO] [stderr]     Checking serde_spanned v0.6.5
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking toml_edit v0.22.9
[INFO] [stderr]    Compiling c0c v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking toml v0.8.12
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/main.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `EmitTarget` is never used
[INFO] [stdout]   --> src/args.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub enum EmitTarget {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Config` is never constructed
[INFO] [stdout]   --> src/args.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct Config {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `default` is never used
[INFO] [stdout]    --> src/args.rs:100:6
[INFO] [stdout]     |
[INFO] [stdout]  98 | impl Config {
[INFO] [stdout]     | ----------- associated function in this implementation
[INFO] [stdout]  99 |   /// Set your defaults here!
[INFO] [stdout] 100 |   fn default() -> Self {
[INFO] [stdout]     |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_args` is never used
[INFO] [stdout]    --> src/args.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub fn parse_args() -> Config {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print_instrs` is never used
[INFO] [stdout]    --> src/codegen/mod.rs:287:10
[INFO] [stdout]     |
[INFO] [stdout]  80 | impl Context {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 287 |   pub fn print_instrs(&self) {
[INFO] [stdout]     |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `emit_wasm` is never used
[INFO] [stdout]   --> src/emit.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub fn emit_wasm(
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `emit_x86` is never used
[INFO] [stdout]   --> src/emit.rs:95:8
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub fn emit_x86(filename: &str, ctxs: Vec<codegen::Context>) -> std::io::Result<()> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `emit_abs` is never used
[INFO] [stdout]    --> src/emit.rs:140:8
[INFO] [stdout]     |
[INFO] [stdout] 140 | pub fn emit_abs(filename: &str, ctxs: Vec<codegen::Context>) -> std::io::Result<()> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `BasicBlocks` is never used
[INFO] [stdout]   --> src/optimization/post_munch/basic_blocks.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub enum BasicBlocks {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_loop` is never used
[INFO] [stdout]   --> src/optimization/post_munch/basic_blocks.rs:26:10
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl BasicBlocks {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 26 |   pub fn new_loop(
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `basic_blocks_vec_from_ctx` is never used
[INFO] [stdout]   --> src/optimization/post_munch/basic_blocks.rs:87:8
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub fn basic_blocks_vec_from_ctx(ctx: &crate::codegen::Context) -> Vec<BasicBlocks> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_basic_blocks_vec` is never used
[INFO] [stdout]    --> src/optimization/post_munch/basic_blocks.rs:112:4
[INFO] [stdout]     |
[INFO] [stdout] 112 | fn build_basic_blocks_vec(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_regular_basic_blocks` is never used
[INFO] [stdout]    --> src/optimization/post_munch/basic_blocks.rs:154:4
[INFO] [stdout]     |
[INFO] [stdout] 154 | fn build_regular_basic_blocks(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `display` is never used
[INFO] [stdout]    --> src/optimization/post_munch/basic_blocks.rs:177:10
[INFO] [stdout]     |
[INFO] [stdout] 176 | impl BasicBlock {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] 177 |   pub fn display(&self, padding: &str) -> String {
[INFO] [stdout]     |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `display` is never used
[INFO] [stdout]    --> src/optimization/post_munch/basic_blocks.rs:191:10
[INFO] [stdout]     |
[INFO] [stdout] 190 | impl BasicBlocks {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] 191 |   pub fn display(&self, padding: &str) {
[INFO] [stdout]     |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 36.52s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lazy_static v1.4.0, wasm-bindgen v0.2.92
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 10`
[INFO] running `Command { std: "docker" "inspect" "cdd27fc81d364cc4a18e63a277b411c5687d8d16cb031821f6cbf55781bba08a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdd27fc81d364cc4a18e63a277b411c5687d8d16cb031821f6cbf55781bba08a", kill_on_drop: false }`
[INFO] [stdout] cdd27fc81d364cc4a18e63a277b411c5687d8d16cb031821f6cbf55781bba08a