[INFO] fetching crate eei_vfd 0.1.0...
[INFO] checking eei_vfd-0.1.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate eei_vfd 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate eei_vfd 0.1.0 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 eei_vfd 0.1.0
[INFO] finished tweaking crates.io crate eei_vfd 0.1.0
[INFO] tweaked toml for crates.io crate eei_vfd 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 31 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.6.0)
[INFO] [stderr]       Adding embedded-hal v0.2.7 (available: v1.0.0)
[INFO] [stderr]       Adding embedded-hal-mock v0.8.0 (available: v0.11.1)
[INFO] [stderr]       Adding float-cmp v0.9.0 (available: v0.10.0)
[INFO] [stderr]       Adding gpio-cdev v0.5.1 (available: v0.6.0)
[INFO] [stderr]       Adding i2cdev v0.5.1 (available: v0.6.1)
[INFO] [stderr]       Adding ioctl-rs v0.1.6 (available: v0.2.0)
[INFO] [stderr]       Adding linux-embedded-hal v0.3.2 (available: v0.4.0)
[INFO] [stderr]       Adding memoffset v0.6.5 (available: v0.9.1)
[INFO] [stderr]       Adding nb v0.1.3 (available: v1.1.0)
[INFO] [stderr]       Adding nix v0.23.2 (available: v0.29.0)
[INFO] [stderr]       Adding spidev v0.5.2 (available: v0.6.0)
[INFO] [stderr]       Adding termios v0.2.2 (available: v0.3.3)
[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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 852eb92e0f54051d2a9f2a1bf98bae649d0aab60fdd13190ce5668ecb3576b9a
[INFO] running `Command { std: "docker" "start" "-a" "852eb92e0f54051d2a9f2a1bf98bae649d0aab60fdd13190ce5668ecb3576b9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "852eb92e0f54051d2a9f2a1bf98bae649d0aab60fdd13190ce5668ecb3576b9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "852eb92e0f54051d2a9f2a1bf98bae649d0aab60fdd13190ce5668ecb3576b9a", kill_on_drop: false }`
[INFO] [stdout] 852eb92e0f54051d2a9f2a1bf98bae649d0aab60fdd13190ce5668ecb3576b9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 429aa8de2e49577f0af9fad6b00b93bf0cae24746db2cad175a573542960586f
[INFO] running `Command { std: "docker" "start" "-a" "429aa8de2e49577f0af9fad6b00b93bf0cae24746db2cad175a573542960586f", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking micromath v2.1.0
[INFO] [stderr]     Checking embedded-hal v1.0.0
[INFO] [stderr]     Checking serial-core v0.4.0
[INFO] [stderr]     Checking ioctl-rs v0.1.6
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking serial-unix v0.4.0
[INFO] [stderr]     Checking nix v0.23.2
[INFO] [stderr]     Checking embedded-hal-mock v0.8.0
[INFO] [stderr]     Checking embedded-graphics-core v0.4.0
[INFO] [stderr]     Checking embedded-graphics v0.8.1
[INFO] [stderr]     Checking eei_vfd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking sysfs_gpio v0.6.2
[INFO] [stderr]     Checking gpio-cdev v0.5.1
[INFO] [stderr]     Checking spidev v0.5.2
[INFO] [stderr]     Checking i2cdev v0.5.1
[INFO] [stderr]     Checking linux-embedded-hal v0.3.2
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.62s
[INFO] running `Command { std: "docker" "inspect" "429aa8de2e49577f0af9fad6b00b93bf0cae24746db2cad175a573542960586f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "429aa8de2e49577f0af9fad6b00b93bf0cae24746db2cad175a573542960586f", kill_on_drop: false }`
[INFO] [stdout] 429aa8de2e49577f0af9fad6b00b93bf0cae24746db2cad175a573542960586f