[INFO] cloning repository https://github.com/chrde/toycc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chrde/toycc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrde%2Ftoycc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrde%2Ftoycc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f8056cb9bff9b6b9ac6177340b88a75f7d116b10
[INFO] checking chrde/toycc against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrde%2Ftoycc" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chrde/toycc on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/chrde/toycc
[INFO] finished tweaking git repo https://github.com/chrde/toycc
[INFO] tweaked toml for git repo https://github.com/chrde/toycc written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/chrde/toycc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7ae4575a2fb206d00674ce410a8c383006313f92233712cd93ed93d1da0d570
[INFO] running `Command { std: "docker" "start" "-a" "d7ae4575a2fb206d00674ce410a8c383006313f92233712cd93ed93d1da0d570", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7ae4575a2fb206d00674ce410a8c383006313f92233712cd93ed93d1da0d570", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7ae4575a2fb206d00674ce410a8c383006313f92233712cd93ed93d1da0d570", kill_on_drop: false }`
[INFO] [stdout] d7ae4575a2fb206d00674ce410a8c383006313f92233712cd93ed93d1da0d570
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 083665550c1f1cc03a51974bc2656f5c23693e640d75b36b8fcca5235b845649
[INFO] running `Command { std: "docker" "start" "-a" "083665550c1f1cc03a51974bc2656f5c23693e640d75b36b8fcca5235b845649", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling tree-sitter v0.17.1
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking toycc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/codegen.rs:125:13
[INFO] [stdout]     |
[INFO] [stdout] 125 |             k => unimplemented!("{:?}", k),
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/codegen.rs:215:13
[INFO] [stdout]     |
[INFO] [stdout] 215 |             k => unimplemented!("{:?}", k),
[INFO] [stdout]     |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/codegen.rs:269:13
[INFO] [stdout]     |
[INFO] [stdout] 269 |             k => unimplemented!("{:?}", k),
[INFO] [stdout]     |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/codegen.rs:125:13
[INFO] [stdout]     |
[INFO] [stdout] 125 |             k => unimplemented!("{:?}", k),
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/codegen.rs:215:13
[INFO] [stdout]     |
[INFO] [stdout] 215 |             k => unimplemented!("{:?}", k),
[INFO] [stdout]     |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/codegen.rs:269:13
[INFO] [stdout]     |
[INFO] [stdout] 269 |             k => unimplemented!("{:?}", k),
[INFO] [stdout]     |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Addr`
[INFO] [stdout]    --> src/ast.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 136 |     Addr,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Deref`
[INFO] [stdout]    --> src/ast.rs:137:5
[INFO] [stdout]     |
[INFO] [stdout] 137 |     Deref,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Addr`
[INFO] [stdout]    --> src/ast.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 136 |     Addr,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Deref`
[INFO] [stdout]    --> src/ast.rs:137:5
[INFO] [stdout]     |
[INFO] [stdout] 137 |     Deref,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.45s
[INFO] running `Command { std: "docker" "inspect" "083665550c1f1cc03a51974bc2656f5c23693e640d75b36b8fcca5235b845649", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "083665550c1f1cc03a51974bc2656f5c23693e640d75b36b8fcca5235b845649", kill_on_drop: false }`
[INFO] [stdout] 083665550c1f1cc03a51974bc2656f5c23693e640d75b36b8fcca5235b845649