[INFO] cloning repository https://github.com/cojmeister/c-compiler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cojmeister/c-compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcojmeister%2Fc-compiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcojmeister%2Fc-compiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c0ae33069af91c9da4f512888c34c8a10dc2144a
[INFO] checking cojmeister/c-compiler against try#29194e8f603400afdb2f86c9418e9fccb1628ea0 for pr-135331-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcojmeister%2Fc-compiler" "/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/cojmeister/c-compiler
[INFO] finished tweaking git repo https://github.com/cojmeister/c-compiler
[INFO] tweaked toml for git repo https://github.com/cojmeister/c-compiler written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cojmeister/c-compiler on toolchain 29194e8f603400afdb2f86c9418e9fccb1628ea0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+29194e8f603400afdb2f86c9418e9fccb1628ea0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cojmeister/c-compiler 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" "+29194e8f603400afdb2f86c9418e9fccb1628ea0" "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-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+29194e8f603400afdb2f86c9418e9fccb1628ea0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 87fb4c40ea5d9e71e16a563f43c23e795f3719de7dc7c9131737c464bb43761f
[INFO] running `Command { std: "docker" "start" "-a" "87fb4c40ea5d9e71e16a563f43c23e795f3719de7dc7c9131737c464bb43761f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87fb4c40ea5d9e71e16a563f43c23e795f3719de7dc7c9131737c464bb43761f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87fb4c40ea5d9e71e16a563f43c23e795f3719de7dc7c9131737c464bb43761f", kill_on_drop: false }`
[INFO] [stdout] 87fb4c40ea5d9e71e16a563f43c23e795f3719de7dc7c9131737c464bb43761f
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+29194e8f603400afdb2f86c9418e9fccb1628ea0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1be0162b4ee1f450ce26db9615d47f7f8c8cafcf7c6b092970a166eb33471a34
[INFO] running `Command { std: "docker" "start" "-a" "1be0162b4ee1f450ce26db9615d47f7f8c8cafcf7c6b092970a166eb33471a34", kill_on_drop: false }`
[INFO] [stderr]     Checking compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `architecture` is never read
[INFO] [stdout]   --> src/assembly.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct AssemblyWriter<W: Write> {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 22 |     file: BufWriter<W>,
[INFO] [stdout] 23 |     architecture: SupportedArchitectures,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `free_all_registers` is never used
[INFO] [stdout]   --> src/assembly.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | trait WriteAssembly {
[INFO] [stdout]    |       ------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 31 |     fn free_all_registers(&mut self);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `test_evaluate` is never used
[INFO] [stdout]    --> src/ast.rs:174:8
[INFO] [stdout]     |
[INFO] [stdout]  23 | impl ASTNode {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 174 |     fn test_evaluate(&self) -> Result<i32, ASTError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `architecture` is never read
[INFO] [stdout]   --> src/assembly.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct AssemblyWriter<W: Write> {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 22 |     file: BufWriter<W>,
[INFO] [stdout] 23 |     architecture: SupportedArchitectures,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ExpectedInteger` is never constructed
[INFO] [stdout]   --> src/ast.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub enum ASTError {
[INFO] [stdout]    |          -------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 18 |     ExpectedInteger,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ASTError` has derived impls for the traits `Clone` and `Debug`, 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: method `test_evaluate` is never used
[INFO] [stdout]    --> src/ast.rs:174:8
[INFO] [stdout]     |
[INFO] [stdout]  23 | impl ASTNode {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 174 |     fn test_evaluate(&self) -> Result<i32, ASTError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `architecture` is never read
[INFO] [stdout]   --> src/assembly.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct AssemblyWriter<W: Write> {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 22 |     file: BufWriter<W>,
[INFO] [stdout] 23 |     architecture: SupportedArchitectures,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `free_all_registers` is never used
[INFO] [stdout]   --> src/assembly.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | trait WriteAssembly {
[INFO] [stdout]    |       ------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 31 |     fn free_all_registers(&mut self);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `architecture` is never read
[INFO] [stdout]   --> src/assembly.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct AssemblyWriter<W: Write> {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 22 |     file: BufWriter<W>,
[INFO] [stdout] 23 |     architecture: SupportedArchitectures,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "1be0162b4ee1f450ce26db9615d47f7f8c8cafcf7c6b092970a166eb33471a34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1be0162b4ee1f450ce26db9615d47f7f8c8cafcf7c6b092970a166eb33471a34", kill_on_drop: false }`
[INFO] [stdout] 1be0162b4ee1f450ce26db9615d47f7f8c8cafcf7c6b092970a166eb33471a34