[INFO] fetching crate spidriver-hal 0.1.0...
[INFO] checking spidriver-hal-0.1.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate spidriver-hal 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate spidriver-hal 0.1.0 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate spidriver-hal 0.1.0
[INFO] finished tweaking crates.io crate spidriver-hal 0.1.0
[INFO] tweaked toml for crates.io crate spidriver-hal 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate spidriver-hal 0.1.0 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11e662cd617bb1b96dff47df1651f4aaec3adfd642192002af731ee405b010ed
[INFO] running `Command { std: "docker" "start" "-a" "11e662cd617bb1b96dff47df1651f4aaec3adfd642192002af731ee405b010ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11e662cd617bb1b96dff47df1651f4aaec3adfd642192002af731ee405b010ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11e662cd617bb1b96dff47df1651f4aaec3adfd642192002af731ee405b010ed", kill_on_drop: false }`
[INFO] [stdout] 11e662cd617bb1b96dff47df1651f4aaec3adfd642192002af731ee405b010ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43c2946b91fbf8d6215dcde043108446833e5ffd8acf8b246320706e0e9961b6
[INFO] running `Command { std: "docker" "start" "-a" "43c2946b91fbf8d6215dcde043108446833e5ffd8acf8b246320706e0e9961b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking nb v0.1.2
[INFO] [stderr]     Checking embedded-hal v0.2.3
[INFO] [stderr]     Checking spidriver v0.1.0
[INFO] [stderr]     Checking spidriver-hal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serial-core v0.4.0
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking ioctl-rs v0.1.6
[INFO] [stderr]     Checking serial-unix v0.4.0
[INFO] [stderr]     Checking serial v0.4.0
[INFO] [stderr]     Checking serial-embedded-hal v0.1.2
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> examples/ssd1322-hal.rs:54:17
[INFO] [stdout]    |
[INFO] [stdout] 54 |             buf[(y * WIDTH / 2 + x)] = if y % 2 == 0 { 0xf0 } else { 0x0f };
[INFO] [stdout]    |                 ^                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 54 -             buf[(y * WIDTH / 2 + x)] = if y % 2 == 0 { 0xf0 } else { 0x0f };
[INFO] [stdout] 54 +             buf[y * WIDTH / 2 + x] = if y % 2 == 0 { 0xf0 } else { 0x0f };
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.73s
[INFO] running `Command { std: "docker" "inspect" "43c2946b91fbf8d6215dcde043108446833e5ffd8acf8b246320706e0e9961b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43c2946b91fbf8d6215dcde043108446833e5ffd8acf8b246320706e0e9961b6", kill_on_drop: false }`
[INFO] [stdout] 43c2946b91fbf8d6215dcde043108446833e5ffd8acf8b246320706e0e9961b6