[INFO] cloning repository https://github.com/zachlambert/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/zachlambert/c-compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzachlambert%2Fc-compiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzachlambert%2Fc-compiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 59f6552c707fc1da67a10e0c964dc87b6d3e836c
[INFO] checking zachlambert/c-compiler against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzachlambert%2Fc-compiler" "/workspace/builds/worker-68/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-68/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zachlambert/c-compiler on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zachlambert/c-compiler
[INFO] finished tweaking git repo https://github.com/zachlambert/c-compiler
[INFO] tweaked toml for git repo https://github.com/zachlambert/c-compiler written to /workspace/builds/worker-68/source/Cargo.toml
[INFO] crate git repo https://github.com/zachlambert/c-compiler already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 349d201ff8c21240bcc447b32b9ed8beed13d29b8ee14edf9121a9063152f2f1
[INFO] running `Command { std: "docker" "start" "-a" "349d201ff8c21240bcc447b32b9ed8beed13d29b8ee14edf9121a9063152f2f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "349d201ff8c21240bcc447b32b9ed8beed13d29b8ee14edf9121a9063152f2f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "349d201ff8c21240bcc447b32b9ed8beed13d29b8ee14edf9121a9063152f2f1", kill_on_drop: false }`
[INFO] [stdout] 349d201ff8c21240bcc447b32b9ed8beed13d29b8ee14edf9121a9063152f2f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab2f49b099d9f566600e8a77bf78664976497ab2b3d14ffbafb1f99cd3ac89a0
[INFO] running `Command { std: "docker" "start" "-a" "ab2f49b099d9f566600e8a77bf78664976497ab2b3d14ffbafb1f99cd3ac89a0", kill_on_drop: false }`
[INFO] [stderr]     Checking bitflags v1.3.1
[INFO] [stderr]     Checking compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `lexer::print_tokens`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use lexer::print_tokens;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lexer::print_tokens`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use lexer::print_tokens;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_tokens`
[INFO] [stdout]   --> src/lexer/mod.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn print_tokens(tokens: &Vec<Token>) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Break`
[INFO] [stdout]  --> src/parser/construct/statement.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Break,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Continue`
[INFO] [stdout]  --> src/parser/construct/statement.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Continue,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Declare`
[INFO] [stdout]   --> src/parser/construct/statement.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     Declare,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Conditional`
[INFO] [stdout]   --> src/parser/construct/statement.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     Conditional,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Loop`
[INFO] [stdout]   --> src/parser/construct/statement.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Loop,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Control`
[INFO] [stdout]   --> src/parser/construct/statement.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     Control(Control),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Block`
[INFO] [stdout]   --> src/parser/construct/statement.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     Block,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Local`
[INFO] [stdout]   --> src/checker/checker.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Local(i64),   // Stack offset
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Global`
[INFO] [stdout]   --> src/checker/checker.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Global(String), // Label
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_tokens`
[INFO] [stdout]   --> src/lexer/mod.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn print_tokens(tokens: &Vec<Token>) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Break`
[INFO] [stdout]  --> src/parser/construct/statement.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Break,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Continue`
[INFO] [stdout]  --> src/parser/construct/statement.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Continue,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Declare`
[INFO] [stdout]   --> src/parser/construct/statement.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     Declare,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Conditional`
[INFO] [stdout]   --> src/parser/construct/statement.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     Conditional,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Loop`
[INFO] [stdout]   --> src/parser/construct/statement.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Loop,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Control`
[INFO] [stdout]   --> src/parser/construct/statement.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     Control(Control),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Block`
[INFO] [stdout]   --> src/parser/construct/statement.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     Block,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Local`
[INFO] [stdout]   --> src/checker/checker.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Local(i64),   // Stack offset
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Global`
[INFO] [stdout]   --> src/checker/checker.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Global(String), // Label
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "ab2f49b099d9f566600e8a77bf78664976497ab2b3d14ffbafb1f99cd3ac89a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab2f49b099d9f566600e8a77bf78664976497ab2b3d14ffbafb1f99cd3ac89a0", kill_on_drop: false }`
[INFO] [stdout] ab2f49b099d9f566600e8a77bf78664976497ab2b3d14ffbafb1f99cd3ac89a0