[INFO] cloning repository https://github.com/stmtk1/9cc_rs_llvm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stmtk1/9cc_rs_llvm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstmtk1%2F9cc_rs_llvm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstmtk1%2F9cc_rs_llvm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 97f0a6883ecfcdb18afc4db723d2d9c4abd087b3
[INFO] checking stmtk1/9cc_rs_llvm against try#b152f5575a2ac7126ae0019e4e679abe9399213e for pr-157841
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstmtk1%2F9cc_rs_llvm" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/stmtk1/9cc_rs_llvm
[INFO] finished tweaking git repo https://github.com/stmtk1/9cc_rs_llvm
[INFO] tweaked toml for git repo https://github.com/stmtk1/9cc_rs_llvm written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/stmtk1/9cc_rs_llvm on toolchain b152f5575a2ac7126ae0019e4e679abe9399213e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b152f5575a2ac7126ae0019e4e679abe9399213e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/stmtk1/9cc_rs_llvm 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" "+b152f5575a2ac7126ae0019e4e679abe9399213e" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking stmtk1/9cc_rs_llvm against try#b152f5575a2ac7126ae0019e4e679abe9399213e for pr-157841
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstmtk1%2F9cc_rs_llvm" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/stmtk1/9cc_rs_llvm
[INFO] finished tweaking git repo https://github.com/stmtk1/9cc_rs_llvm
[INFO] tweaked toml for git repo https://github.com/stmtk1/9cc_rs_llvm written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/stmtk1/9cc_rs_llvm on toolchain b152f5575a2ac7126ae0019e4e679abe9399213e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b152f5575a2ac7126ae0019e4e679abe9399213e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/stmtk1/9cc_rs_llvm 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" "+b152f5575a2ac7126ae0019e4e679abe9399213e" "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-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 37fbea86a79a4bc00916b7244b1ae08d496dcf59499afe362870a34f036c3fe0
[INFO] running `Command { std: "docker" "start" "37fbea86a79a4bc00916b7244b1ae08d496dcf59499afe362870a34f036c3fe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "37fbea86a79a4bc00916b7244b1ae08d496dcf59499afe362870a34f036c3fe0" "/opt/rustwide/cargo-home/bin/cargo" "+b152f5575a2ac7126ae0019e4e679abe9399213e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37fbea86a79a4bc00916b7244b1ae08d496dcf59499afe362870a34f036c3fe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "37fbea86a79a4bc00916b7244b1ae08d496dcf59499afe362870a34f036c3fe0" "/opt/rustwide/cargo-home/bin/cargo" "+b152f5575a2ac7126ae0019e4e679abe9399213e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking qcc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Token`
[INFO] [stdout]  --> src/error.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::lexer::{ Token };
[INFO] [stdout]   |                     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ErrorType`
[INFO] [stdout]  --> src/parser.rs:1:31
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::error::{ QccError, ErrorType };
[INFO] [stdout]   |                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Token`
[INFO] [stdout]  --> src/error.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::lexer::{ Token };
[INFO] [stdout]   |                     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ErrorType`
[INFO] [stdout]  --> src/parser.rs:1:31
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::error::{ QccError, ErrorType };
[INFO] [stdout]   |                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `UnexpectedEOL` is never constructed
[INFO] [stdout]  --> src/error.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum ErrorType {
[INFO] [stdout]   |          --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 7 |     UnexpectedEOL,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ErrorType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `kind` is never read
[INFO] [stdout]   --> src/error.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct QccError {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 12 |     pub kind: ErrorType,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `QccError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `num` is never read
[INFO] [stdout]  --> src/parser.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Parser {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 5 |     pub tokens: TokenTree,
[INFO] [stdout] 6 |     pub num: usize,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pos` is never read
[INFO] [stdout]  --> src/token_tree.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct TokenTree {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] 7 |     pub kind: TreeKind,
[INFO] [stdout] 8 |     pub pos: usize,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `UnexpectedEOL` is never constructed
[INFO] [stdout]  --> src/error.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum ErrorType {
[INFO] [stdout]   |          --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 7 |     UnexpectedEOL,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ErrorType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `kind` is never read
[INFO] [stdout]   --> src/error.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct QccError {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 12 |     pub kind: ErrorType,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `QccError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `num` is never read
[INFO] [stdout]  --> src/parser.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Parser {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 5 |     pub tokens: TokenTree,
[INFO] [stdout] 6 |     pub num: usize,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pos` is never read
[INFO] [stdout]  --> src/token_tree.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct TokenTree {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] 7 |     pub kind: TreeKind,
[INFO] [stdout] 8 |     pub pos: usize,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "37fbea86a79a4bc00916b7244b1ae08d496dcf59499afe362870a34f036c3fe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37fbea86a79a4bc00916b7244b1ae08d496dcf59499afe362870a34f036c3fe0", kill_on_drop: false }`
[INFO] [stdout] 37fbea86a79a4bc00916b7244b1ae08d496dcf59499afe362870a34f036c3fe0
