[INFO] cloning repository https://github.com/NLincoln/u-cc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NLincoln/u-cc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNLincoln%2Fu-cc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNLincoln%2Fu-cc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 39578056809cba704098974f8488f50d5d2d3ab0
[INFO] building NLincoln/u-cc against master#461e8078010433ff7de2db2aaae8a3cfb0847215 for pr-94962
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNLincoln%2Fu-cc" "/workspace/builds/worker-55/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-55/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NLincoln/u-cc on toolchain 461e8078010433ff7de2db2aaae8a3cfb0847215
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NLincoln/u-cc
[INFO] finished tweaking git repo https://github.com/NLincoln/u-cc
[INFO] tweaked toml for git repo https://github.com/NLincoln/u-cc written to /workspace/builds/worker-55/source/Cargo.toml
[INFO] crate git repo https://github.com/NLincoln/u-cc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded docopt v1.0.2
[INFO] [stderr]   Downloaded lalrpop-util v0.16.3
[INFO] [stderr]   Downloaded nix v0.13.0
[INFO] [stderr]   Downloaded ena v0.11.0
[INFO] [stderr]   Downloaded duct v0.12.0
[INFO] [stderr]   Downloaded block-padding v0.1.3
[INFO] [stderr]   Downloaded lalrpop v0.16.3
[INFO] [stderr]   Downloaded shared_child v0.3.3
[INFO] [stderr]   Downloaded colored v1.7.0
[INFO] [stderr]   Downloaded os_pipe v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83b0b4a63f21376119fb22e4b3ec61e28501cbcf963fbd46f75bbe512cecf013
[INFO] running `Command { std: "docker" "start" "-a" "83b0b4a63f21376119fb22e4b3ec61e28501cbcf963fbd46f75bbe512cecf013", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83b0b4a63f21376119fb22e4b3ec61e28501cbcf963fbd46f75bbe512cecf013", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83b0b4a63f21376119fb22e4b3ec61e28501cbcf963fbd46f75bbe512cecf013", kill_on_drop: false }`
[INFO] [stdout] 83b0b4a63f21376119fb22e4b3ec61e28501cbcf963fbd46f75bbe512cecf013
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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" "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@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 994291b2c44d8a23b73ca74ad2a8d29cad2c6ffe17f9d782a593b1c346e7f6c5
[INFO] running `Command { std: "docker" "start" "-a" "994291b2c44d8a23b73ca74ad2a8d29cad2c6ffe17f9d782a593b1c346e7f6c5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling unicode-xid v0.1.0
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[INFO] [stderr]    Compiling siphasher v0.2.3
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[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling regex v1.1.2
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling nix v0.13.0
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.3
[INFO] [stderr]    Compiling bit-vec v0.5.0
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling ordermap v0.3.5
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[INFO] [stderr]    Compiling winapi v0.3.6
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling either v1.5.1
[INFO] [stderr]    Compiling opaque-debug v0.2.2
[INFO] [stderr]    Compiling diff v0.1.11
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling lalrpop-util v0.16.3
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.3
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling colored v1.7.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling ena v0.11.0
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling bit-set v0.5.0
[INFO] [stderr]    Compiling regex-syntax v0.6.5
[INFO] [stderr]    Compiling ascii-canvas v1.0.0
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling block-padding v0.1.3
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling shared_child v0.3.3
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling generic-array v0.12.0
[INFO] [stderr]    Compiling block-buffer v0.7.0
[INFO] [stderr]    Compiling digest v0.8.0
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]    Compiling serde_derive v1.0.89
[INFO] [stderr]    Compiling os_pipe v0.8.1
[INFO] [stderr]    Compiling duct v0.12.0
[INFO] [stderr]    Compiling u-cc-test v0.1.0 (/opt/rustwide/workdir/u-cc-test)
[INFO] [stderr]    Compiling docopt v1.0.2
[INFO] [stderr]    Compiling lalrpop v0.16.3
[INFO] [stdout] warning: unused import: `env`
[INFO] [stdout]  --> u-cc-test/src/main.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{env, fs, io};
[INFO] [stdout]   |           ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling u-cc v0.1.0 (/opt/rustwide/workdir/u-cc)
[INFO] [stdout] warning: unused import: `crate::asm::Address::Indirect`
[INFO] [stdout]  --> u-cc/src/asm.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::asm::Address::Indirect;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::usize`
[INFO] [stdout]   --> u-cc/src/ast.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |         use std::usize;
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::asm::Address::Indirect`
[INFO] [stdout]  --> u-cc/src/compiler.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::asm::Address::Indirect;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::ast::Expr::FunctionCall`
[INFO] [stdout]  --> u-cc/src/compiler.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::ast::Expr::FunctionCall;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/u-cc-0de4e8de2a1a9819/out/c.rs:4907:5
[INFO] [stdout]      |
[INFO] [stdout] 4907 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4907 -     (__0)
[INFO] [stdout] 4907 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/u-cc-0de4e8de2a1a9819/out/c.rs:5008:5
[INFO] [stdout]      |
[INFO] [stdout] 5008 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5008 -     (__0)
[INFO] [stdout] 5008 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/u-cc-0de4e8de2a1a9819/out/c.rs:5019:5
[INFO] [stdout]      |
[INFO] [stdout] 5019 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5019 -     (__0)
[INFO] [stdout] 5019 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/u-cc-0de4e8de2a1a9819/out/c.rs:5164:5
[INFO] [stdout]      |
[INFO] [stdout] 5164 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5164 -     (__0)
[INFO] [stdout] 5164 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/u-cc-0de4e8de2a1a9819/out/c.rs:5190:5
[INFO] [stdout]      |
[INFO] [stdout] 5190 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5190 -     (__0)
[INFO] [stdout] 5190 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/u-cc-0de4e8de2a1a9819/out/c.rs:5214:5
[INFO] [stdout]      |
[INFO] [stdout] 5214 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5214 -     (__0)
[INFO] [stdout] 5214 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/u-cc-0de4e8de2a1a9819/out/c.rs:5238:5
[INFO] [stdout]      |
[INFO] [stdout] 5238 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5238 -     (__0)
[INFO] [stdout] 5238 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/u-cc-0de4e8de2a1a9819/out/c.rs:5262:5
[INFO] [stdout]      |
[INFO] [stdout] 5262 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5262 -     (__0)
[INFO] [stdout] 5262 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/u-cc-0de4e8de2a1a9819/out/c.rs:5286:5
[INFO] [stdout]      |
[INFO] [stdout] 5286 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5286 -     (__0)
[INFO] [stdout] 5286 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/u-cc-0de4e8de2a1a9819/out/c.rs:5310:5
[INFO] [stdout]      |
[INFO] [stdout] 5310 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5310 -     (__0)
[INFO] [stdout] 5310 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/u-cc-0de4e8de2a1a9819/out/c.rs:5347:5
[INFO] [stdout]      |
[INFO] [stdout] 5347 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5347 -     (__0)
[INFO] [stdout] 5347 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/u-cc-0de4e8de2a1a9819/out/c.rs:5410:5
[INFO] [stdout]      |
[INFO] [stdout] 5410 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5410 -     (__0)
[INFO] [stdout] 5410 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/u-cc-0de4e8de2a1a9819/out/c.rs:5447:5
[INFO] [stdout]      |
[INFO] [stdout] 5447 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5447 -     (__0)
[INFO] [stdout] 5447 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/u-cc-0de4e8de2a1a9819/out/c.rs:5484:5
[INFO] [stdout]      |
[INFO] [stdout] 5484 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5484 -     (__0)
[INFO] [stdout] 5484 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/u-cc-0de4e8de2a1a9819/out/c.rs:5534:5
[INFO] [stdout]      |
[INFO] [stdout] 5534 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5534 -     (__0)
[INFO] [stdout] 5534 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/u-cc-0de4e8de2a1a9819/out/c.rs:5559:5
[INFO] [stdout]      |
[INFO] [stdout] 5559 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5559 -     (__0)
[INFO] [stdout] 5559 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/u-cc-0de4e8de2a1a9819/out/c.rs:5680:5
[INFO] [stdout]      |
[INFO] [stdout] 5680 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5680 -     (__0)
[INFO] [stdout] 5680 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/u-cc-0de4e8de2a1a9819/out/c.rs:5776:5
[INFO] [stdout]      |
[INFO] [stdout] 5776 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5776 -     (__0)
[INFO] [stdout] 5776 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/u-cc-0de4e8de2a1a9819/out/c.rs:5935:5
[INFO] [stdout]      |
[INFO] [stdout] 5935 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5935 -     (__0)
[INFO] [stdout] 5935 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/u-cc-0de4e8de2a1a9819/out/c.rs:5993:5
[INFO] [stdout]      |
[INFO] [stdout] 5993 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5993 -     (__0)
[INFO] [stdout] 5993 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/u-cc-0de4e8de2a1a9819/out/c.rs:6074:5
[INFO] [stdout]      |
[INFO] [stdout] 6074 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 6074 -     (__0)
[INFO] [stdout] 6074 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `io`
[INFO] [stdout]   --> u-cc/src/main.rs:10:15
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::{fs, io};
[INFO] [stdout]    |               ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Ebp`
[INFO] [stdout]   --> u-cc/src/asm.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Ebp,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Register` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> u-cc/src/asm.rs:4:10
[INFO] [stdout]    |
[INFO] [stdout] 4  | #[derive(Debug, Clone, PartialEq)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Esp`
[INFO] [stdout]   --> u-cc/src/asm.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Esp,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Register` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> u-cc/src/asm.rs:4:10
[INFO] [stdout]    |
[INFO] [stdout] 4  | #[derive(Debug, Clone, PartialEq)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `no_size`
[INFO] [stdout]    --> u-cc/src/asm.rs:106:12
[INFO] [stdout]     |
[INFO] [stdout] 106 |     pub fn no_size(mut self) -> IndirectAddress {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lookup_symbol`
[INFO] [stdout]   --> u-cc/src/compiler/symbol_table.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn lookup_symbol(&self, name: &str) -> Option<&Symbol<'src>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.56s
[INFO] [stdout] warning: 30 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "994291b2c44d8a23b73ca74ad2a8d29cad2c6ffe17f9d782a593b1c346e7f6c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "994291b2c44d8a23b73ca74ad2a8d29cad2c6ffe17f9d782a593b1c346e7f6c5", kill_on_drop: false }`
[INFO] [stdout] 994291b2c44d8a23b73ca74ad2a8d29cad2c6ffe17f9d782a593b1c346e7f6c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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" "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@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59cf383a1348e7b5fe21b185c41f7ab3e24c19f2ada1dd3fe03038e917a89e1d
[INFO] running `Command { std: "docker" "start" "-a" "59cf383a1348e7b5fe21b185c41f7ab3e24c19f2ada1dd3fe03038e917a89e1d", kill_on_drop: false }`
[INFO] [stderr]    Compiling u-cc-test v0.1.0 (/opt/rustwide/workdir/u-cc-test)
[INFO] [stderr]    Compiling u-cc v0.1.0 (/opt/rustwide/workdir/u-cc)
[INFO] [stdout] warning: unused import: `env`
[INFO] [stdout]  --> u-cc-test/src/main.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{env, fs, io};
[INFO] [stdout]   |           ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::asm::Address::Indirect`
[INFO] [stdout]  --> u-cc/src/asm.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::asm::Address::Indirect;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::usize`
[INFO] [stdout]   --> u-cc/src/ast.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |         use std::usize;
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::asm::Address::Indirect`
[INFO] [stdout]  --> u-cc/src/compiler.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::asm::Address::Indirect;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::ast::Expr::FunctionCall`
[INFO] [stdout]  --> u-cc/src/compiler.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::ast::Expr::FunctionCall;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/u-cc-0de4e8de2a1a9819/out/c.rs:4907:5
[INFO] [stdout]      |
[INFO] [stdout] 4907 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4907 -     (__0)
[INFO] [stdout] 4907 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/u-cc-0de4e8de2a1a9819/out/c.rs:5008:5
[INFO] [stdout]      |
[INFO] [stdout] 5008 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5008 -     (__0)
[INFO] [stdout] 5008 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/u-cc-0de4e8de2a1a9819/out/c.rs:5019:5
[INFO] [stdout]      |
[INFO] [stdout] 5019 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5019 -     (__0)
[INFO] [stdout] 5019 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/u-cc-0de4e8de2a1a9819/out/c.rs:5164:5
[INFO] [stdout]      |
[INFO] [stdout] 5164 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5164 -     (__0)
[INFO] [stdout] 5164 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/u-cc-0de4e8de2a1a9819/out/c.rs:5190:5
[INFO] [stdout]      |
[INFO] [stdout] 5190 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5190 -     (__0)
[INFO] [stdout] 5190 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/u-cc-0de4e8de2a1a9819/out/c.rs:5214:5
[INFO] [stdout]      |
[INFO] [stdout] 5214 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5214 -     (__0)
[INFO] [stdout] 5214 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/u-cc-0de4e8de2a1a9819/out/c.rs:5238:5
[INFO] [stdout]      |
[INFO] [stdout] 5238 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5238 -     (__0)
[INFO] [stdout] 5238 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/u-cc-0de4e8de2a1a9819/out/c.rs:5262:5
[INFO] [stdout]      |
[INFO] [stdout] 5262 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5262 -     (__0)
[INFO] [stdout] 5262 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/u-cc-0de4e8de2a1a9819/out/c.rs:5286:5
[INFO] [stdout]      |
[INFO] [stdout] 5286 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5286 -     (__0)
[INFO] [stdout] 5286 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/u-cc-0de4e8de2a1a9819/out/c.rs:5310:5
[INFO] [stdout]      |
[INFO] [stdout] 5310 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5310 -     (__0)
[INFO] [stdout] 5310 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/u-cc-0de4e8de2a1a9819/out/c.rs:5347:5
[INFO] [stdout]      |
[INFO] [stdout] 5347 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5347 -     (__0)
[INFO] [stdout] 5347 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/u-cc-0de4e8de2a1a9819/out/c.rs:5410:5
[INFO] [stdout]      |
[INFO] [stdout] 5410 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5410 -     (__0)
[INFO] [stdout] 5410 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/u-cc-0de4e8de2a1a9819/out/c.rs:5447:5
[INFO] [stdout]      |
[INFO] [stdout] 5447 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5447 -     (__0)
[INFO] [stdout] 5447 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/u-cc-0de4e8de2a1a9819/out/c.rs:5484:5
[INFO] [stdout]      |
[INFO] [stdout] 5484 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5484 -     (__0)
[INFO] [stdout] 5484 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/u-cc-0de4e8de2a1a9819/out/c.rs:5534:5
[INFO] [stdout]      |
[INFO] [stdout] 5534 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5534 -     (__0)
[INFO] [stdout] 5534 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/u-cc-0de4e8de2a1a9819/out/c.rs:5559:5
[INFO] [stdout]      |
[INFO] [stdout] 5559 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5559 -     (__0)
[INFO] [stdout] 5559 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/u-cc-0de4e8de2a1a9819/out/c.rs:5680:5
[INFO] [stdout]      |
[INFO] [stdout] 5680 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5680 -     (__0)
[INFO] [stdout] 5680 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/u-cc-0de4e8de2a1a9819/out/c.rs:5776:5
[INFO] [stdout]      |
[INFO] [stdout] 5776 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5776 -     (__0)
[INFO] [stdout] 5776 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/u-cc-0de4e8de2a1a9819/out/c.rs:5935:5
[INFO] [stdout]      |
[INFO] [stdout] 5935 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5935 -     (__0)
[INFO] [stdout] 5935 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/u-cc-0de4e8de2a1a9819/out/c.rs:5993:5
[INFO] [stdout]      |
[INFO] [stdout] 5993 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5993 -     (__0)
[INFO] [stdout] 5993 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/u-cc-0de4e8de2a1a9819/out/c.rs:6074:5
[INFO] [stdout]      |
[INFO] [stdout] 6074 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 6074 -     (__0)
[INFO] [stdout] 6074 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `io`
[INFO] [stdout]   --> u-cc/src/main.rs:10:15
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::{fs, io};
[INFO] [stdout]    |               ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Ebp`
[INFO] [stdout]   --> u-cc/src/asm.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Ebp,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Register` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> u-cc/src/asm.rs:4:10
[INFO] [stdout]    |
[INFO] [stdout] 4  | #[derive(Debug, Clone, PartialEq)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Esp`
[INFO] [stdout]   --> u-cc/src/asm.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Esp,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Register` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> u-cc/src/asm.rs:4:10
[INFO] [stdout]    |
[INFO] [stdout] 4  | #[derive(Debug, Clone, PartialEq)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `no_size`
[INFO] [stdout]    --> u-cc/src/asm.rs:106:12
[INFO] [stdout]     |
[INFO] [stdout] 106 |     pub fn no_size(mut self) -> IndirectAddress {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lookup_symbol`
[INFO] [stdout]   --> u-cc/src/compiler/symbol_table.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn lookup_symbol(&self, name: &str) -> Option<&Symbol<'src>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 30 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.46s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/u_cc-eb5f68c33b76e993)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/u_cc_test-406fb626cfac7b87)
[INFO] running `Command { std: "docker" "inspect" "59cf383a1348e7b5fe21b185c41f7ab3e24c19f2ada1dd3fe03038e917a89e1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59cf383a1348e7b5fe21b185c41f7ab3e24c19f2ada1dd3fe03038e917a89e1d", kill_on_drop: false }`
[INFO] [stdout] 59cf383a1348e7b5fe21b185c41f7ab3e24c19f2ada1dd3fe03038e917a89e1d