[INFO] cloning repository https://github.com/rili0214/pj2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rili0214/pj2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frili0214%2Fpj2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frili0214%2Fpj2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b297758d842cee3a741021787b2c63b860f09307
[INFO] checking rili0214/pj2 against try#a7b168ac4977e8e93a43448b44847adaa305d5a9 for pr-150557
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frili0214%2Fpj2" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rili0214/pj2
[INFO] finished tweaking git repo https://github.com/rili0214/pj2
[INFO] tweaked toml for git repo https://github.com/rili0214/pj2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rili0214/pj2 on toolchain a7b168ac4977e8e93a43448b44847adaa305d5a9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7b168ac4977e8e93a43448b44847adaa305d5a9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rili0214/pj2 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" "+a7b168ac4977e8e93a43448b44847adaa305d5a9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking rili0214/pj2 against try#a7b168ac4977e8e93a43448b44847adaa305d5a9 for pr-150557
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frili0214%2Fpj2" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rili0214/pj2
[INFO] finished tweaking git repo https://github.com/rili0214/pj2
[INFO] tweaked toml for git repo https://github.com/rili0214/pj2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rili0214/pj2 on toolchain a7b168ac4977e8e93a43448b44847adaa305d5a9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7b168ac4977e8e93a43448b44847adaa305d5a9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rili0214/pj2 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" "+a7b168ac4977e8e93a43448b44847adaa305d5a9" "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 zerocopy-derive v0.8.21
[INFO] [stderr]   Downloaded io-uring v0.7.4
[INFO] [stderr]   Downloaded zerocopy v0.8.21
[INFO] [stderr]   Downloaded minstant v0.1.7
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7b168ac4977e8e93a43448b44847adaa305d5a9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e0a8e59472cf82af37170164b0484e3fd4a7d6d5c4deb03effecbb0327308bf5
[INFO] running `Command { std: "docker" "start" "-a" "e0a8e59472cf82af37170164b0484e3fd4a7d6d5c4deb03effecbb0327308bf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0a8e59472cf82af37170164b0484e3fd4a7d6d5c4deb03effecbb0327308bf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0a8e59472cf82af37170164b0484e3fd4a7d6d5c4deb03effecbb0327308bf5", kill_on_drop: false }`
[INFO] [stdout] e0a8e59472cf82af37170164b0484e3fd4a7d6d5c4deb03effecbb0327308bf5
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7b168ac4977e8e93a43448b44847adaa305d5a9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd212571daea2e09fa37720b79e09d9799941288e5553ccc3648af767d7d7ff5
[INFO] running `Command { std: "docker" "start" "-a" "fd212571daea2e09fa37720b79e09d9799941288e5553ccc3648af767d7d7ff5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]    Compiling zerocopy v0.8.21
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling libm v0.2.11
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling io-uring v0.7.4
[INFO] [stderr]     Checking bitflags v2.8.0
[INFO] [stderr]     Checking clap_builder v4.5.31
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]    Compiling ctor v0.1.26
[INFO] [stderr]     Checking minstant v0.1.7
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling serde_derive v1.0.218
[INFO] [stderr]    Compiling clap_derive v4.5.28
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking clap v4.5.31
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.0
[INFO] [stderr]     Checking rand_distr v0.5.1
[INFO] [stderr]     Checking serde v1.0.218
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking kvonset v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Read` and `Write`
[INFO] [stdout]   --> src/client.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 |     io::{Read, Write},
[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 imports: `Read` and `Write`
[INFO] [stdout]   --> src/client.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 |     io::{Read, Write},
[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: `crate::protocol::*`
[INFO] [stdout]  --> src/server/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::protocol::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::protocol::*`
[INFO] [stdout]  --> src/server/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::protocol::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn`
[INFO] [stdout]   --> src/client.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 65 |     conn: &mut TcpStream,
[INFO] [stdout]    |     ^^^^ help: if this is intentional, prefix it with an underscore: `_conn`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn`
[INFO] [stdout]   --> src/client.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 65 |     conn: &mut TcpStream,
[INFO] [stdout]    |     ^^^^ help: if this is intentional, prefix it with an underscore: `_conn`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]   --> src/client.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     req: ClientRequest,
[INFO] [stdout]    |     ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]   --> src/client.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     req: ClientRequest,
[INFO] [stdout]    |     ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> src/client.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     buf: &mut Vec<u8>,
[INFO] [stdout]    |     ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> src/client.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     buf: &mut Vec<u8>,
[INFO] [stdout]    |     ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `server_addr`
[INFO] [stdout]   --> src/server/mod.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         server_addr: SocketAddrV4,
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_server_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `runtime_hint`
[INFO] [stdout]   --> src/server/mod.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |         runtime_hint: Duration,
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_runtime_hint`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/server/mod.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         path: PathBuf,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `server_addr`
[INFO] [stdout]   --> src/server/mod.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         server_addr: SocketAddrV4,
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_server_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `runtime_hint`
[INFO] [stdout]   --> src/server/mod.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |         runtime_hint: Duration,
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_runtime_hint`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/server/mod.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         path: PathBuf,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.82s
[INFO] running `Command { std: "docker" "inspect" "fd212571daea2e09fa37720b79e09d9799941288e5553ccc3648af767d7d7ff5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd212571daea2e09fa37720b79e09d9799941288e5553ccc3648af767d7d7ff5", kill_on_drop: false }`
[INFO] [stdout] fd212571daea2e09fa37720b79e09d9799941288e5553ccc3648af767d7d7ff5