[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 master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKnifa%2Fled_matrix_zmq" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Knifa/led_matrix_zmq on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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-1-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nom v7.0.0
[INFO] [stderr]   Downloaded twox-hash v1.6.1
[INFO] [stderr]   Downloaded cargo_metadata v0.12.3
[INFO] [stderr]   Downloaded skeptic v0.13.6
[INFO] [stderr]   Downloaded bytecount v0.6.2
[INFO] [stderr]   Downloaded rpi-led-matrix v0.2.2
[INFO] [stderr]   Downloaded lyon_geom v0.17.5
[INFO] [stderr]   Downloaded clang-sys v1.2.2
[INFO] [stderr]   Downloaded embedded-graphics v0.6.2
[INFO] [stderr]   Downloaded pulldown-cmark v0.8.0
[INFO] [stderr]   Downloaded minimal-lexical v0.1.4
[INFO] [stderr]   Downloaded xdg v2.4.0
[INFO] [stderr]   Downloaded combine v4.6.1
[INFO] [stderr]   Downloaded ggez v0.6.1
[INFO] [stderr]   Downloaded glam v0.20.0
[INFO] [stderr]   Downloaded libloading v0.7.1
[INFO] [stderr]   Downloaded mint v0.5.8
[INFO] [stderr]   Downloaded lyon_algorithms v0.17.6
[INFO] [stderr]   Downloaded mio-misc v1.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08df462f2532ac34e22020fe14911e2dc9deeee1b6c7ffb1daad2cc9c8b1e4de
[INFO] running `Command { std: "docker" "start" "-a" "08df462f2532ac34e22020fe14911e2dc9deeee1b6c7ffb1daad2cc9c8b1e4de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08df462f2532ac34e22020fe14911e2dc9deeee1b6c7ffb1daad2cc9c8b1e4de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08df462f2532ac34e22020fe14911e2dc9deeee1b6c7ffb1daad2cc9c8b1e4de", kill_on_drop: false }`
[INFO] [stdout] 08df462f2532ac34e22020fe14911e2dc9deeee1b6c7ffb1daad2cc9c8b1e4de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8fa1f9443f92ec4411ba8523de80327002c8c1ea40b850f3d72392ad9f4f8c46
[INFO] running `Command { std: "docker" "start" "-a" "8fa1f9443f92ec4411ba8523de80327002c8c1ea40b850f3d72392ad9f4f8c46", kill_on_drop: false }`
[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 zmq v0.9.2
[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 `settings` is never read
[INFO] [stdout]   --> src/server.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct MatrixServer {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 23 |     socket: zmq::Socket,
[INFO] [stdout] 24 |     settings: MatrixServerSettings,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "8fa1f9443f92ec4411ba8523de80327002c8c1ea40b850f3d72392ad9f4f8c46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fa1f9443f92ec4411ba8523de80327002c8c1ea40b850f3d72392ad9f4f8c46", kill_on_drop: false }`
[INFO] [stdout] 8fa1f9443f92ec4411ba8523de80327002c8c1ea40b850f3d72392ad9f4f8c46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7930fb927cda033e3bfd45d44430f42106e195d4fee2149d691901c4e68e2a87
[INFO] running `Command { std: "docker" "start" "-a" "7930fb927cda033e3bfd45d44430f42106e195d4fee2149d691901c4e68e2a87", kill_on_drop: false }`
[INFO] [stdout] warning: field `settings` is never read
[INFO] [stdout]   --> src/server.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct MatrixServer {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 23 |     socket: zmq::Socket,
[INFO] [stdout] 24 |     settings: MatrixServerSettings,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling led_matrix_zmq v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `settings` is never read
[INFO] [stdout]   --> src/server.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct MatrixServer {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 23 |     socket: zmq::Socket,
[INFO] [stdout] 24 |     settings: MatrixServerSettings,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "7930fb927cda033e3bfd45d44430f42106e195d4fee2149d691901c4e68e2a87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7930fb927cda033e3bfd45d44430f42106e195d4fee2149d691901c4e68e2a87", kill_on_drop: false }`
[INFO] [stdout] 7930fb927cda033e3bfd45d44430f42106e195d4fee2149d691901c4e68e2a87