[INFO] fetching crate benoit 3.0.5...
[INFO] checking benoit-3.0.5 against try#dd2d87b6cc31907ae305875eb6be399783dc0256 for pr-143929
[INFO] extracting crate benoit 3.0.5 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate benoit 3.0.5
[INFO] finished tweaking crates.io crate benoit 3.0.5
[INFO] tweaked toml for crates.io crate benoit 3.0.5 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate benoit 3.0.5 on toolchain dd2d87b6cc31907ae305875eb6be399783dc0256
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dd2d87b6cc31907ae305875eb6be399783dc0256" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dd2d87b6cc31907ae305875eb6be399783dc0256" "generate-lockfile" "--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
[INFO] [stderr]      Locking 141 packages to latest compatible versions
[INFO] [stderr]       Adding wgpu v0.20.1 (available: v26.0.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dd2d87b6cc31907ae305875eb6be399783dc0256" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+dd2d87b6cc31907ae305875eb6be399783dc0256" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4185cd5bcdeba20d5e4d868f2b68032b67db074ac69d3015134a1c3ae613b951
[INFO] running `Command { std: "docker" "start" "-a" "4185cd5bcdeba20d5e4d868f2b68032b67db074ac69d3015134a1c3ae613b951", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4185cd5bcdeba20d5e4d868f2b68032b67db074ac69d3015134a1c3ae613b951", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4185cd5bcdeba20d5e4d868f2b68032b67db074ac69d3015134a1c3ae613b951", kill_on_drop: false }`
[INFO] [stdout] 4185cd5bcdeba20d5e4d868f2b68032b67db074ac69d3015134a1c3ae613b951
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+dd2d87b6cc31907ae305875eb6be399783dc0256" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9b5c8d8cfe65f4a8da85568459930c9cf44e6dbb8cc4789affab6649e8dfa1e
[INFO] running `Command { std: "docker" "start" "-a" "b9b5c8d8cfe65f4a8da85568459930c9cf44e6dbb8cc4789affab6649e8dfa1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.5
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]     Checking adler2 v2.0.1
[INFO] [stderr]    Compiling rug v1.27.0
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking fdeflate v0.3.7
[INFO] [stderr]     Checking flate2 v1.1.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking png v0.17.16
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]    Compiling enum-iterator-derive v1.4.0
[INFO] [stderr]     Checking enum-iterator v2.1.0
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "b9b5c8d8cfe65f4a8da85568459930c9cf44e6dbb8cc4789affab6649e8dfa1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9b5c8d8cfe65f4a8da85568459930c9cf44e6dbb8cc4789affab6649e8dfa1e", kill_on_drop: false }`
[INFO] [stdout] b9b5c8d8cfe65f4a8da85568459930c9cf44e6dbb8cc4789affab6649e8dfa1e