[INFO] cloning repository https://github.com/bacal/egre591_compiler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bacal/egre591_compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbacal%2Fegre591_compiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbacal%2Fegre591_compiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0ac23e58e93ea7263aaf5ef7be5d53fada5ba688
[INFO] checking bacal/egre591_compiler against master#bd71213cf0a765705e7d72a099151bd4eb465ccb for pr-123864
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbacal%2Fegre591_compiler" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bacal/egre591_compiler on toolchain bd71213cf0a765705e7d72a099151bd4eb465ccb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd71213cf0a765705e7d72a099151bd4eb465ccb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bacal/egre591_compiler
[INFO] finished tweaking git repo https://github.com/bacal/egre591_compiler
[INFO] tweaked toml for git repo https://github.com/bacal/egre591_compiler written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/bacal/egre591_compiler 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" "+bd71213cf0a765705e7d72a099151bd4eb465ccb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking bacal/egre591_compiler against try#c0f799aeda763fc507814da0dc46c2dde7ca9133 for pr-123864
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbacal%2Fegre591_compiler" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bacal/egre591_compiler on toolchain c0f799aeda763fc507814da0dc46c2dde7ca9133
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c0f799aeda763fc507814da0dc46c2dde7ca9133" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bacal/egre591_compiler
[INFO] finished tweaking git repo https://github.com/bacal/egre591_compiler
[INFO] tweaked toml for git repo https://github.com/bacal/egre591_compiler written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/bacal/egre591_compiler 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" "+c0f799aeda763fc507814da0dc46c2dde7ca9133" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+c0f799aeda763fc507814da0dc46c2dde7ca9133" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b72ff9e62445cbd7184f4c26c3b95c1b2d2d650e0a48bad77ae2672a6e6dfca
[INFO] running `Command { std: "docker" "start" "-a" "4b72ff9e62445cbd7184f4c26c3b95c1b2d2d650e0a48bad77ae2672a6e6dfca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b72ff9e62445cbd7184f4c26c3b95c1b2d2d650e0a48bad77ae2672a6e6dfca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b72ff9e62445cbd7184f4c26c3b95c1b2d2d650e0a48bad77ae2672a6e6dfca", kill_on_drop: false }`
[INFO] [stdout] 4b72ff9e62445cbd7184f4c26c3b95c1b2d2d650e0a48bad77ae2672a6e6dfca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+c0f799aeda763fc507814da0dc46c2dde7ca9133" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09bc1f9e6baddcdb6d3ccf54f949e67f9dc51807dff429973f657607448dafdb
[INFO] running `Command { std: "docker" "start" "-a" "09bc1f9e6baddcdb6d3ccf54f949e67f9dc51807dff429973f657607448dafdb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking colored v2.1.0
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]     Checking quote v1.0.35
[INFO] [stderr]     Checking syn v2.0.48
[INFO] [stderr]     Checking toycc_report_impl v0.1.0 (/opt/rustwide/workdir/compiler/toycc_report/toycc_report_impl)
[INFO] [stderr]     Checking toycc_report v0.1.0 (/opt/rustwide/workdir/compiler/toycc_report)
[INFO] [stderr]     Checking toycc_argparser v0.1.0 (/opt/rustwide/workdir/compiler/toycc_argparser)
[INFO] [stderr]     Checking toycc_frontend v0.1.0 (/opt/rustwide/workdir/compiler/toycc_frontend)
[INFO] [stdout] warning: field `verbose` is never read
[INFO] [stdout]   --> compiler/toycc_frontend/src/parser/mod.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Parser<S: Read + Seek> {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     verbose: bool,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `identifier`, `toyc_type`, `var_def`, and `statement` are never read
[INFO] [stdout]   --> compiler/toycc_frontend/src/parser/ast.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct FuncDef {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 16 |     identifier: String,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 17 |     toyc_type: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 18 |     var_def: Vec<VarDef>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 19 |     statement: Statement,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FuncDef` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `identifiers` and `toyc_type` are never read
[INFO] [stdout]   --> compiler/toycc_frontend/src/parser/ast.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct VarDef {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 24 |     identifiers: Vec<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 25 |     toyc_type: Type,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `VarDef` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `t` is never read
[INFO] [stdout]    --> compiler/toycc_frontend/src/scanner/mod.rs:703:17
[INFO] [stdout]     |
[INFO] [stdout] 703 |         let mut t = scanner.next_token();
[INFO] [stdout]     |                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `verbose` is never read
[INFO] [stdout]   --> compiler/toycc_frontend/src/parser/mod.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Parser<S: Read + Seek> {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     verbose: bool,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `identifier`, `toyc_type`, `var_def`, and `statement` are never read
[INFO] [stdout]   --> compiler/toycc_frontend/src/parser/ast.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct FuncDef {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 16 |     identifier: String,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 17 |     toyc_type: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 18 |     var_def: Vec<VarDef>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 19 |     statement: Statement,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FuncDef` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `identifiers` and `toyc_type` are never read
[INFO] [stdout]   --> compiler/toycc_frontend/src/parser/ast.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct VarDef {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 24 |     identifiers: Vec<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 25 |     toyc_type: Type,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `VarDef` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking toycc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.43s
[INFO] running `Command { std: "docker" "inspect" "09bc1f9e6baddcdb6d3ccf54f949e67f9dc51807dff429973f657607448dafdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09bc1f9e6baddcdb6d3ccf54f949e67f9dc51807dff429973f657607448dafdb", kill_on_drop: false }`
[INFO] [stdout] 09bc1f9e6baddcdb6d3ccf54f949e67f9dc51807dff429973f657607448dafdb