[INFO] cloning repository https://github.com/bobgodwinx/try-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bobgodwinx/try-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbobgodwinx%2Ftry-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbobgodwinx%2Ftry-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 092c23de51169de1fd7171e643493d8f0f87b2d3
[INFO] testing bobgodwinx/try-rust against beta-2026-03-05 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbobgodwinx%2Ftry-rust" "/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/bobgodwinx/try-rust
[INFO] finished tweaking git repo https://github.com/bobgodwinx/try-rust
[INFO] tweaked toml for git repo https://github.com/bobgodwinx/try-rust written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/bobgodwinx/try-rust on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/bobgodwinx/try-rust 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" "+beta-2026-03-05" "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] testing bobgodwinx/try-rust against beta-2026-03-05 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbobgodwinx%2Ftry-rust" "/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/bobgodwinx/try-rust
[INFO] finished tweaking git repo https://github.com/bobgodwinx/try-rust
[INFO] tweaked toml for git repo https://github.com/bobgodwinx/try-rust written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/bobgodwinx/try-rust on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/bobgodwinx/try-rust 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" "+beta-2026-03-05" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3978b6a82a8749b210b3e3172bb573f2abb5c192edf73aaec221722b445b8ef0
[INFO] running `Command { std: "docker" "start" "-a" "3978b6a82a8749b210b3e3172bb573f2abb5c192edf73aaec221722b445b8ef0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3978b6a82a8749b210b3e3172bb573f2abb5c192edf73aaec221722b445b8ef0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3978b6a82a8749b210b3e3172bb573f2abb5c192edf73aaec221722b445b8ef0", kill_on_drop: false }`
[INFO] [stdout] 3978b6a82a8749b210b3e3172bb573f2abb5c192edf73aaec221722b445b8ef0
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91953f1851c022c7c41e9878312745f744de2bafc30dc97dd143974fd1f2d18b
[INFO] running `Command { std: "docker" "start" "-a" "91953f1851c022c7c41e9878312745f744de2bafc30dc97dd143974fd1f2d18b", kill_on_drop: false }`
[INFO] [stderr]    Compiling try-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0583]: file not found for module `async_await`
[INFO] [stdout]   --> src/main.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | mod async_await;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: to create the module `async_await`, create file "src/async_await.rs" or "src/async_await/mod.rs"
[INFO] [stdout]    = note: if there is a `mod async_await` elsewhere in the crate already, import it with `use crate::...` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::print`
[INFO] [stdout]  --> src/print.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::print;
[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: `std::primitive`
[INFO] [stdout]   --> src/types.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::primitive;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::num`
[INFO] [stdout]  --> src/arrays.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::num;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::num`
[INFO] [stdout]  --> src/vectors.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use core::num;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DerefMut`, `Deref`, and `clone`
[INFO] [stdout]  --> src/ownership.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{ops::{DerefMut, Deref}, clone};
[INFO] [stdout]   |                 ^^^^^^^^  ^^^^^   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/strings.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let mut phrase = String::from("Hello there from London");
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/arrays.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut num_arr = [1, 2, 3, 9];
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ownership.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |     let mut var_b = &var_a;
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ownership.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |     let mut var_c = String::from("Owned by var_c");
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ownership.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |     let mut var_d = &var_c;
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ownership.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 |     let mut var_h = &var_g;
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ownership.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 126 |     let mut var_k = &var_g;
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ownership.rs:137:24
[INFO] [stdout]     |
[INFO] [stdout] 137 |  fn heap_do_some_thing(mut param: &Box<f64>) {
[INFO] [stdout]     |                        ----^^^^^
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0583`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `try-rust` (bin "try-rust") due to 1 previous error; 13 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "91953f1851c022c7c41e9878312745f744de2bafc30dc97dd143974fd1f2d18b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91953f1851c022c7c41e9878312745f744de2bafc30dc97dd143974fd1f2d18b", kill_on_drop: false }`
[INFO] [stdout] 91953f1851c022c7c41e9878312745f744de2bafc30dc97dd143974fd1f2d18b
