[INFO] cloning repository https://github.com/Knifa/led_matrix_zmq
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Knifa/led_matrix_zmq" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKnifa%2Fled_matrix_zmq", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKnifa%2Fled_matrix_zmq'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 62e8774327e72aeb98ea4cfe39984f3ec3d15fdd
[INFO] building Knifa/led_matrix_zmq against try#8aaecdf5df68a6fbc126704e44d399ba2fe66bf2 for pr-94962
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKnifa%2Fled_matrix_zmq" "/workspace/builds/worker-109/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-109/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Knifa/led_matrix_zmq on toolchain 8aaecdf5df68a6fbc126704e44d399ba2fe66bf2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8aaecdf5df68a6fbc126704e44d399ba2fe66bf2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Knifa/led_matrix_zmq
[INFO] finished tweaking git repo https://github.com/Knifa/led_matrix_zmq
[INFO] tweaked toml for git repo https://github.com/Knifa/led_matrix_zmq written to /workspace/builds/worker-109/source/Cargo.toml
[INFO] crate git repo https://github.com/Knifa/led_matrix_zmq already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8aaecdf5df68a6fbc126704e44d399ba2fe66bf2" "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-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+8aaecdf5df68a6fbc126704e44d399ba2fe66bf2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f08ca44215372309f69602644856b26b92a9f7c47bb1ff1c1e460ff7d86e6d8
[INFO] running `Command { std: "docker" "start" "-a" "7f08ca44215372309f69602644856b26b92a9f7c47bb1ff1c1e460ff7d86e6d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f08ca44215372309f69602644856b26b92a9f7c47bb1ff1c1e460ff7d86e6d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f08ca44215372309f69602644856b26b92a9f7c47bb1ff1c1e460ff7d86e6d8", kill_on_drop: false }`
[INFO] [stdout] 7f08ca44215372309f69602644856b26b92a9f7c47bb1ff1c1e460ff7d86e6d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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" "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@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+8aaecdf5df68a6fbc126704e44d399ba2fe66bf2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b15127a7ea6053fa237c48dfe6a4978630c0965f544db49072cb87272af04097
[INFO] running `Command { std: "docker" "start" "-a" "b15127a7ea6053fa237c48dfe6a4978630c0965f544db49072cb87272af04097", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling pkg-config v0.3.20
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling zmq v0.9.2
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stderr]    Compiling zmq-sys v0.11.0
[INFO] [stderr]    Compiling led_matrix_zmq v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `settings`
[INFO] [stdout]   --> src/server.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     settings: MatrixServerSettings,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.71s
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "b15127a7ea6053fa237c48dfe6a4978630c0965f544db49072cb87272af04097", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b15127a7ea6053fa237c48dfe6a4978630c0965f544db49072cb87272af04097", kill_on_drop: false }`
[INFO] [stdout] b15127a7ea6053fa237c48dfe6a4978630c0965f544db49072cb87272af04097