[INFO] cloning repository https://github.com/Niedzwiedzw/rust-drivers-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Niedzwiedzw/rust-drivers-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNiedzwiedzw%2Frust-drivers-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNiedzwiedzw%2Frust-drivers-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8d19a47521a504625aa357dabb3d26c34d14f0e6
[INFO] building Niedzwiedzw/rust-drivers-playground 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%2FNiedzwiedzw%2Frust-drivers-playground" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Niedzwiedzw/rust-drivers-playground 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/Niedzwiedzw/rust-drivers-playground
[INFO] finished tweaking git repo https://github.com/Niedzwiedzw/rust-drivers-playground
[INFO] tweaked toml for git repo https://github.com/Niedzwiedzw/rust-drivers-playground written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Niedzwiedzw/rust-drivers-playground 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/golemparts/rppal`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 32be0aa2ac3c0b77505bc66b5d52da83e1def1794c7a9f4afa316df741cefa88
[INFO] running `Command { std: "docker" "start" "-a" "32be0aa2ac3c0b77505bc66b5d52da83e1def1794c7a9f4afa316df741cefa88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32be0aa2ac3c0b77505bc66b5d52da83e1def1794c7a9f4afa316df741cefa88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32be0aa2ac3c0b77505bc66b5d52da83e1def1794c7a9f4afa316df741cefa88", kill_on_drop: false }`
[INFO] [stdout] 32be0aa2ac3c0b77505bc66b5d52da83e1def1794c7a9f4afa316df741cefa88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 9da6ced37d51a071f019764d8add16e3137af0dd51266ce001fbff1b5c6cb541
[INFO] running `Command { std: "docker" "start" "-a" "9da6ced37d51a071f019764d8add16e3137af0dd51266ce001fbff1b5c6cb541", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling rppal v0.11.3 (https://github.com/golemparts/rppal#5eb0f148)
[INFO] [stderr]    Compiling rpi-display-driver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `INVERTDISPLAY` is never used
[INFO] [stdout]  --> src/command_ids.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub const INVERTDISPLAY: u8 = 0xA7;
[INFO] [stdout]   |           ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SETLOWCOLUMN` is never used
[INFO] [stdout]   --> src/command_ids.rs:16:11
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub const SETLOWCOLUMN: u8 = 0x00;
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SETHIGHCOLUMN` is never used
[INFO] [stdout]   --> src/command_ids.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub const SETHIGHCOLUMN: u8 = 0x10;
[INFO] [stdout]    |           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `COLUMNADDR` is never used
[INFO] [stdout]   --> src/command_ids.rs:20:11
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub const COLUMNADDR: u8 = 0x21;
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PAGEADDR` is never used
[INFO] [stdout]   --> src/command_ids.rs:21:11
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub const PAGEADDR: u8 = 0x22;
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `COMSCANINC` is never used
[INFO] [stdout]   --> src/command_ids.rs:22:11
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub const COMSCANINC: u8 = 0xC0;
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `EXTERNALVCC` is never used
[INFO] [stdout]   --> src/command_ids.rs:26:11
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub const EXTERNALVCC: u8 = 0x1;
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SWITCHCAPVCC` is never used
[INFO] [stdout]   --> src/command_ids.rs:27:11
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub const SWITCHCAPVCC: u8 = 0x2;
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `Command { std: "docker" "inspect" "9da6ced37d51a071f019764d8add16e3137af0dd51266ce001fbff1b5c6cb541", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9da6ced37d51a071f019764d8add16e3137af0dd51266ce001fbff1b5c6cb541", kill_on_drop: false }`
[INFO] [stdout] 9da6ced37d51a071f019764d8add16e3137af0dd51266ce001fbff1b5c6cb541
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 8d576493210040660c62df51353ab62765cb3b812bbeae3fd1b988716cb72610
[INFO] running `Command { std: "docker" "start" "-a" "8d576493210040660c62df51353ab62765cb3b812bbeae3fd1b988716cb72610", kill_on_drop: false }`
[INFO] [stderr]    Compiling rpi-display-driver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `INVERTDISPLAY` is never used
[INFO] [stdout]  --> src/command_ids.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub const INVERTDISPLAY: u8 = 0xA7;
[INFO] [stdout]   |           ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SETLOWCOLUMN` is never used
[INFO] [stdout]   --> src/command_ids.rs:16:11
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub const SETLOWCOLUMN: u8 = 0x00;
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SETHIGHCOLUMN` is never used
[INFO] [stdout]   --> src/command_ids.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub const SETHIGHCOLUMN: u8 = 0x10;
[INFO] [stdout]    |           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `COLUMNADDR` is never used
[INFO] [stdout]   --> src/command_ids.rs:20:11
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub const COLUMNADDR: u8 = 0x21;
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PAGEADDR` is never used
[INFO] [stdout]   --> src/command_ids.rs:21:11
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub const PAGEADDR: u8 = 0x22;
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `COMSCANINC` is never used
[INFO] [stdout]   --> src/command_ids.rs:22:11
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub const COMSCANINC: u8 = 0xC0;
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `EXTERNALVCC` is never used
[INFO] [stdout]   --> src/command_ids.rs:26:11
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub const EXTERNALVCC: u8 = 0x1;
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SWITCHCAPVCC` is never used
[INFO] [stdout]   --> src/command_ids.rs:27:11
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub const SWITCHCAPVCC: u8 = 0x2;
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "8d576493210040660c62df51353ab62765cb3b812bbeae3fd1b988716cb72610", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d576493210040660c62df51353ab62765cb3b812bbeae3fd1b988716cb72610", kill_on_drop: false }`
[INFO] [stdout] 8d576493210040660c62df51353ab62765cb3b812bbeae3fd1b988716cb72610