[INFO] cloning repository https://github.com/tiannian/vacan
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tiannian/vacan" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiannian%2Fvacan", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiannian%2Fvacan'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e4873de68b0e9d86f7a2fee3f5fd7e697348fdf2
[INFO] checking tiannian/vacan against try#b66808126f24f2f30898306a881e1676824ea80c for pr-133502-23
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiannian%2Fvacan" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tiannian/vacan
[INFO] finished tweaking git repo https://github.com/tiannian/vacan
[INFO] tweaked toml for git repo https://github.com/tiannian/vacan written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tiannian/vacan on toolchain b66808126f24f2f30898306a881e1676824ea80c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b66808126f24f2f30898306a881e1676824ea80c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tiannian/vacan 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" "+b66808126f24f2f30898306a881e1676824ea80c" "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 tiannian/vacan against try#b66808126f24f2f30898306a881e1676824ea80c for pr-133502-23
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiannian%2Fvacan" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tiannian/vacan
[INFO] finished tweaking git repo https://github.com/tiannian/vacan
[INFO] tweaked toml for git repo https://github.com/tiannian/vacan written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tiannian/vacan on toolchain b66808126f24f2f30898306a881e1676824ea80c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b66808126f24f2f30898306a881e1676824ea80c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tiannian/vacan 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" "+b66808126f24f2f30898306a881e1676824ea80c" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pest_meta v2.8.0
[INFO] [stderr]   Downloaded pest_generator v2.8.0
[INFO] [stderr]   Downloaded pest_derive v2.8.0
[INFO] [stderr]   Downloaded pest v2.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] fd84bd4c272c0d5a07d3383681751f97ffa3469ea6855cb8b02d525cb7e8f29f
[INFO] running `Command { std: "docker" "start" "fd84bd4c272c0d5a07d3383681751f97ffa3469ea6855cb8b02d525cb7e8f29f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd84bd4c272c0d5a07d3383681751f97ffa3469ea6855cb8b02d525cb7e8f29f", 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" "fd84bd4c272c0d5a07d3383681751f97ffa3469ea6855cb8b02d525cb7e8f29f" "/opt/rustwide/cargo-home/bin/cargo" "+b66808126f24f2f30898306a881e1676824ea80c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd84bd4c272c0d5a07d3383681751f97ffa3469ea6855cb8b02d525cb7e8f29f", 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" "fd84bd4c272c0d5a07d3383681751f97ffa3469ea6855cb8b02d525cb7e8f29f" "/opt/rustwide/cargo-home/bin/cargo" "+b66808126f24f2f30898306a881e1676824ea80c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]     Checking vacan-backend-yul v0.1.0 (/opt/rustwide/workdir/backend/yul)
[INFO] [stderr]     Checking tokio v1.44.2
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling pest v2.8.0
[INFO] [stderr]    Compiling pest_meta v2.8.0
[INFO] [stderr]    Compiling pest_generator v2.8.0
[INFO] [stderr]    Compiling pest_derive v2.8.0
[INFO] [stderr]     Checking vacan-b0 v0.1.0 (/opt/rustwide/workdir/b0)
[INFO] [stderr]     Checking vacan-backend-cc v0.1.0 (/opt/rustwide/workdir/backend/cc)
[INFO] [stdout] warning: unused variable: `headers`
[INFO] [stdout]   --> backend/cc/src/generator.rs:18:28
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn generate(&self, headers: Vec<FunctionHeader>, func: FunctionDecl) -> Result<()> {
[INFO] [stdout]    |                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_headers`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `func`
[INFO] [stdout]   --> backend/cc/src/generator.rs:18:58
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn generate(&self, headers: Vec<FunctionHeader>, func: FunctionDecl) -> Result<()> {
[INFO] [stdout]    |                                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_func`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `file` is never read
[INFO] [stdout]  --> backend/cc/src/generator.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Generator {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] 8 |     file: File,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `headers`
[INFO] [stdout]   --> backend/cc/src/generator.rs:18:28
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn generate(&self, headers: Vec<FunctionHeader>, func: FunctionDecl) -> Result<()> {
[INFO] [stdout]    |                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_headers`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `func`
[INFO] [stdout]   --> backend/cc/src/generator.rs:18:58
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn generate(&self, headers: Vec<FunctionHeader>, func: FunctionDecl) -> Result<()> {
[INFO] [stdout]    |                                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_func`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `file` is never read
[INFO] [stdout]  --> backend/cc/src/generator.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Generator {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] 8 |     file: File,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.63s
[INFO] running `Command { std: "docker" "inspect" "fd84bd4c272c0d5a07d3383681751f97ffa3469ea6855cb8b02d525cb7e8f29f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd84bd4c272c0d5a07d3383681751f97ffa3469ea6855cb8b02d525cb7e8f29f", kill_on_drop: false }`
[INFO] [stdout] fd84bd4c272c0d5a07d3383681751f97ffa3469ea6855cb8b02d525cb7e8f29f
