[INFO] cloning repository https://github.com/benluelo/ub-funkeys
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/benluelo/ub-funkeys" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenluelo%2Fub-funkeys", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenluelo%2Fub-funkeys'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5b473ae79b2c11d2aa7852281bc3712af3c93dc0
[INFO] building benluelo/ub-funkeys 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%2Fbenluelo%2Fub-funkeys" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/benluelo/ub-funkeys 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] removed /workspace/builds/worker-2-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/benluelo/ub-funkeys
[INFO] finished tweaking git repo https://github.com/benluelo/ub-funkeys
[INFO] tweaked toml for git repo https://github.com/benluelo/ub-funkeys written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/benluelo/ub-funkeys 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 rusb v0.9.3
[INFO] [stderr]   Downloaded libusb1-sys v0.6.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 3bfe0a0e4a99ae04cd01532e4565d8fe4021add7600541a982193c6614db7ffc
[INFO] running `Command { std: "docker" "start" "-a" "3bfe0a0e4a99ae04cd01532e4565d8fe4021add7600541a982193c6614db7ffc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3bfe0a0e4a99ae04cd01532e4565d8fe4021add7600541a982193c6614db7ffc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bfe0a0e4a99ae04cd01532e4565d8fe4021add7600541a982193c6614db7ffc", kill_on_drop: false }`
[INFO] [stdout] 3bfe0a0e4a99ae04cd01532e4565d8fe4021add7600541a982193c6614db7ffc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] b8bfb63e6e0aed9bd0156e287b6827c700d429ebba9337d18c95a83a95e34e09
[INFO] running `Command { std: "docker" "start" "-a" "b8bfb63e6e0aed9bd0156e287b6827c700d429ebba9337d18c95a83a95e34e09", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling rusb v0.9.3
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling libusb1-sys v0.6.4
[INFO] [stderr]    Compiling ub-funkeys v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `device_desc`
[INFO] [stdout]   --> src/main.rs:66:18
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let (device, device_desc, mut handle) = open_device(&mut ctx, 0x0e4c, 0x7288).unwrap();
[INFO] [stdout]    |                  ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_device_desc`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `Command { std: "docker" "inspect" "b8bfb63e6e0aed9bd0156e287b6827c700d429ebba9337d18c95a83a95e34e09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8bfb63e6e0aed9bd0156e287b6827c700d429ebba9337d18c95a83a95e34e09", kill_on_drop: false }`
[INFO] [stdout] b8bfb63e6e0aed9bd0156e287b6827c700d429ebba9337d18c95a83a95e34e09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 84f440a24fe952cc14e5c1305dc353cca1161f3b42cb96ea7dcadd336005b964
[INFO] running `Command { std: "docker" "start" "-a" "84f440a24fe952cc14e5c1305dc353cca1161f3b42cb96ea7dcadd336005b964", kill_on_drop: false }`
[INFO] [stderr]    Compiling ub-funkeys v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `device_desc`
[INFO] [stdout]   --> src/main.rs:66:18
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let (device, device_desc, mut handle) = open_device(&mut ctx, 0x0e4c, 0x7288).unwrap();
[INFO] [stdout]    |                  ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_device_desc`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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" "84f440a24fe952cc14e5c1305dc353cca1161f3b42cb96ea7dcadd336005b964", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84f440a24fe952cc14e5c1305dc353cca1161f3b42cb96ea7dcadd336005b964", kill_on_drop: false }`
[INFO] [stdout] 84f440a24fe952cc14e5c1305dc353cca1161f3b42cb96ea7dcadd336005b964