[INFO] fetching crate host-utils 1.0.2...
[INFO] testing host-utils-1.0.2 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate host-utils 1.0.2 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate host-utils 1.0.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate host-utils 1.0.2
[INFO] tweaked toml for crates.io crate host-utils 1.0.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate host-utils 1.0.2 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate host-utils 1.0.2 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9c9dac2675fd8d9565e5ecbe2503b3003fbdd789aacfadcf4e30eed4d307a32
[INFO] running `Command { std: "docker" "start" "-a" "e9c9dac2675fd8d9565e5ecbe2503b3003fbdd789aacfadcf4e30eed4d307a32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9c9dac2675fd8d9565e5ecbe2503b3003fbdd789aacfadcf4e30eed4d307a32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9c9dac2675fd8d9565e5ecbe2503b3003fbdd789aacfadcf4e30eed4d307a32", kill_on_drop: false }`
[INFO] [stdout] e9c9dac2675fd8d9565e5ecbe2503b3003fbdd789aacfadcf4e30eed4d307a32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 156cc8ec859ab9b359547f4f7512bbc7dfbb376a2021952ab6d642452f011159
[INFO] running `Command { std: "docker" "start" "-a" "156cc8ec859ab9b359547f4f7512bbc7dfbb376a2021952ab6d642452f011159", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling rustls-pki-types v1.11.0
[INFO] [stderr]    Compiling cc v1.2.16
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]    Compiling rustls v0.23.23
[INFO] [stderr]    Compiling log v0.4.26
[INFO] [stderr]    Compiling serde v1.0.218
[INFO] [stderr]    Compiling http v1.2.0
[INFO] [stderr]    Compiling miniz_oxide v0.8.5
[INFO] [stderr]    Compiling once_cell v1.20.3
[INFO] [stderr]    Compiling rustls-pemfile v2.2.0
[INFO] [stderr]    Compiling flate2 v1.1.0
[INFO] [stderr]    Compiling webpki-roots v0.26.8
[INFO] [stderr]    Compiling quote v1.0.39
[INFO] [stderr]    Compiling syn v2.0.99
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rmp v0.8.14
[INFO] [stderr]    Compiling socks v0.3.4
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling ureq-proto v0.3.3
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling colored v3.0.0
[INFO] [stderr]    Compiling ring v0.17.13
[INFO] [stderr]    Compiling serde_derive v1.0.218
[INFO] [stderr]    Compiling rustls-webpki v0.102.8
[INFO] [stderr]    Compiling rmp-serde v1.3.0
[INFO] [stderr]    Compiling ureq v3.0.8
[INFO] [stderr]    Compiling host-utils v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 42.26s
[INFO] running `Command { std: "docker" "inspect" "156cc8ec859ab9b359547f4f7512bbc7dfbb376a2021952ab6d642452f011159", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "156cc8ec859ab9b359547f4f7512bbc7dfbb376a2021952ab6d642452f011159", kill_on_drop: false }`
[INFO] [stdout] 156cc8ec859ab9b359547f4f7512bbc7dfbb376a2021952ab6d642452f011159
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45f6e2cd7d9f48feb28d3cc11501927b0b905f8ae9d1a744ee2d76a74feb06d3
[INFO] running `Command { std: "docker" "start" "-a" "45f6e2cd7d9f48feb28d3cc11501927b0b905f8ae9d1a744ee2d76a74feb06d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling host-utils v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0596]: cannot borrow `new_app` as mutable, as it is not declared as mutable
[INFO] [stdout]   --> tests/app_insert_block.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     new_app.save_1(&mut etc, &mut io::sink()).unwrap();
[INFO] [stdout]    |     ^^^^^^^ cannot borrow as mutable
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing this to be mutable
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let mut new_app = App::new("", Some(Cursor::new(new_data)), &mut stdout, &mut stderr).unwrap();
[INFO] [stdout]    |         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0596`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `host-utils` (test "app_insert_block") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "45f6e2cd7d9f48feb28d3cc11501927b0b905f8ae9d1a744ee2d76a74feb06d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45f6e2cd7d9f48feb28d3cc11501927b0b905f8ae9d1a744ee2d76a74feb06d3", kill_on_drop: false }`
[INFO] [stdout] 45f6e2cd7d9f48feb28d3cc11501927b0b905f8ae9d1a744ee2d76a74feb06d3
