[INFO] fetching crate mcp794xx 0.3.0...
[INFO] checking mcp794xx-0.3.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate mcp794xx 0.3.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate mcp794xx 0.3.0 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mcp794xx 0.3.0
[INFO] finished tweaking crates.io crate mcp794xx 0.3.0
[INFO] tweaked toml for crates.io crate mcp794xx 0.3.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate mcp794xx 0.3.0 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e0c776320df8b87bb2b8a013687995e8ed2722e3adf051b72389d105eb2cc049
[INFO] running `Command { std: "docker" "start" "-a" "e0c776320df8b87bb2b8a013687995e8ed2722e3adf051b72389d105eb2cc049", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0c776320df8b87bb2b8a013687995e8ed2722e3adf051b72389d105eb2cc049", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0c776320df8b87bb2b8a013687995e8ed2722e3adf051b72389d105eb2cc049", kill_on_drop: false }`
[INFO] [stdout] e0c776320df8b87bb2b8a013687995e8ed2722e3adf051b72389d105eb2cc049
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af16b1a3aa5cfeb2927dff340d056e3ffde4f23e16b1e1f9c21051fec579e9b5
[INFO] running `Command { std: "docker" "start" "-a" "af16b1a3aa5cfeb2927dff340d056e3ffde4f23e16b1e1f9c21051fec579e9b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.131
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking embedded-hal-mock v0.8.0
[INFO] [stderr]     Checking nix v0.23.1
[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 chrono v0.4.22
[INFO] [stderr]     Checking serial-unix v0.4.0
[INFO] [stderr]     Checking rtcc v0.3.0
[INFO] [stderr]     Checking mcp794xx v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking gpio-cdev v0.5.1
[INFO] [stderr]     Checking i2cdev v0.5.1
[INFO] [stderr]     Checking spidev v0.5.1
[INFO] [stderr]     Checking sysfs_gpio v0.6.1
[INFO] [stderr]     Checking linux-embedded-hal v0.3.2
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.95s
[INFO] running `Command { std: "docker" "inspect" "af16b1a3aa5cfeb2927dff340d056e3ffde4f23e16b1e1f9c21051fec579e9b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af16b1a3aa5cfeb2927dff340d056e3ffde4f23e16b1e1f9c21051fec579e9b5", kill_on_drop: false }`
[INFO] [stdout] af16b1a3aa5cfeb2927dff340d056e3ffde4f23e16b1e1f9c21051fec579e9b5