[INFO] fetching crate wz_reader 0.0.25...
[INFO] testing wz_reader-0.0.25 against 1.99.0-beta.1+cargoflags=--release for beta-release-1.99-2
[INFO] extracting crate wz_reader 0.0.25 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate wz_reader 0.0.25
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate wz_reader 0.0.25
[INFO] tweaked toml for crates.io crate wz_reader 0.0.25 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wz_reader 0.0.25 on toolchain 1.99.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate wz_reader 0.0.25 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" "+1.99.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 9f8da9a474ce8bbe965b639aa0b782753567a2355ad78103b85b8cce6e3ddcd9
[INFO] running `Command { std: "docker" "start" "9f8da9a474ce8bbe965b639aa0b782753567a2355ad78103b85b8cce6e3ddcd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f8da9a474ce8bbe965b639aa0b782753567a2355ad78103b85b8cce6e3ddcd9", 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" "9f8da9a474ce8bbe965b639aa0b782753567a2355ad78103b85b8cce6e3ddcd9" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f8da9a474ce8bbe965b639aa0b782753567a2355ad78103b85b8cce6e3ddcd9", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9f8da9a474ce8bbe965b639aa0b782753567a2355ad78103b85b8cce6e3ddcd9" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling cc v1.0.96
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]    Compiling zerocopy v0.7.32
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling bytemuck v1.24.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling allocator-api2 v0.2.16
[INFO] [stderr]    Compiling texture2ddecoder v0.1.2
[INFO] [stderr]    Compiling scroll v0.12.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling block-padding v0.3.3
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling cipher v0.2.5
[INFO] [stderr]    Compiling libz-ng-sys v1.1.22
[INFO] [stderr]    Compiling c2-chacha v0.3.3
[INFO] [stderr]    Compiling inout v0.1.3
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling ecb v0.1.2
[INFO] [stderr]    Compiling aes v0.8.4
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling memmap2 v0.9.4
[INFO] [stderr]    Compiling rayon v1.9.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]    Compiling image v0.25.0
[INFO] [stderr]    Compiling flate2 v1.1.4
[INFO] [stderr]    Compiling wz_reader v0.0.25 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/reader.rs:962:5
[INFO] [stdout]     |
[INFO] [stdout] 962 |     len: usize,
[INFO] [stdout]     |     ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "9f8da9a474ce8bbe965b639aa0b782753567a2355ad78103b85b8cce6e3ddcd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f8da9a474ce8bbe965b639aa0b782753567a2355ad78103b85b8cce6e3ddcd9", kill_on_drop: false }`
[INFO] [stdout] 9f8da9a474ce8bbe965b639aa0b782753567a2355ad78103b85b8cce6e3ddcd9