[INFO] cloning repository https://github.com/gbrls/rust-microc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gbrls/rust-microc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgbrls%2Frust-microc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgbrls%2Frust-microc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4ca9a7ad4c5b893a2bd58f0a4585b4c719109f15
[INFO] checking gbrls/rust-microc against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgbrls%2Frust-microc" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gbrls/rust-microc on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gbrls/rust-microc
[INFO] finished tweaking git repo https://github.com/gbrls/rust-microc
[INFO] tweaked toml for git repo https://github.com/gbrls/rust-microc written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/gbrls/rust-microc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] acfcc8b46635025daa7f1713220dc64842690f26dfd9be200e23427cac6667e1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "acfcc8b46635025daa7f1713220dc64842690f26dfd9be200e23427cac6667e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "acfcc8b46635025daa7f1713220dc64842690f26dfd9be200e23427cac6667e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acfcc8b46635025daa7f1713220dc64842690f26dfd9be200e23427cac6667e1", kill_on_drop: false }`
[INFO] [stdout] acfcc8b46635025daa7f1713220dc64842690f26dfd9be200e23427cac6667e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4939d19c1017b7598c6818fd7c29f57d720ec0f6c25f93836fbb883312c735ba
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4939d19c1017b7598c6818fd7c29f57d720ec0f6c25f93836fbb883312c735ba", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking smallvec v1.5.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking strum v0.20.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling nom v6.0.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking bitvec v0.19.4
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]     Checking crossterm v0.16.0
[INFO] [stderr]     Checking colour v0.5.0
[INFO] [stderr]    Compiling strum_macros v0.20.1
[INFO] [stderr]     Checking tinyc-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ast::Type`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ast::Type;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ast::Type`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ast::Type;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::parser`
[INFO] [stdout]  --> src/compiler.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::parser;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]   --> src/output.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let output = Command::new("rm")
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]   --> src/output.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let output = Command::new("rm")
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval`
[INFO] [stdout]   --> src/ast.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn eval(&self) -> i32 {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `build_and_run`
[INFO] [stdout]   --> src/output.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn build_and_run(program: &str) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `delete`
[INFO] [stdout]   --> src/output.rs:77:4
[INFO] [stdout]    |
[INFO] [stdout] 77 | fn delete(fname: &str) {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `program_new`
[INFO] [stdout]   --> src/parser.rs:79:4
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn program_new(i: &str) -> IResult<&str, AST> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `program_new`
[INFO] [stdout]   --> src/parser.rs:79:4
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn program_new(i: &str) -> IResult<&str, AST> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_newline`
[INFO] [stdout]    --> src/parser.rs:248:8
[INFO] [stdout]     |
[INFO] [stdout] 248 |     fn test_newline(i: &str) -> IResult<&str, Vec<AST>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.95s
[INFO] running `Command { std: "docker" "inspect" "4939d19c1017b7598c6818fd7c29f57d720ec0f6c25f93836fbb883312c735ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4939d19c1017b7598c6818fd7c29f57d720ec0f6c25f93836fbb883312c735ba", kill_on_drop: false }`
[INFO] [stdout] 4939d19c1017b7598c6818fd7c29f57d720ec0f6c25f93836fbb883312c735ba