[INFO] fetching crate spark-ser7seg 0.2.0...
[INFO] checking spark-ser7seg-0.2.0 against master#f21fbac535ab2c3bc50db20547f4d48477357103 for pr-143193
[INFO] extracting crate spark-ser7seg 0.2.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate spark-ser7seg 0.2.0
[INFO] finished tweaking crates.io crate spark-ser7seg 0.2.0
[INFO] tweaked toml for crates.io crate spark-ser7seg 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate spark-ser7seg 0.2.0 on toolchain f21fbac535ab2c3bc50db20547f4d48477357103
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.9.1)
[INFO] [stderr]       Adding embedded-hal v0.2.7 (available: v1.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05a2e3ed4c4e0536d532decc506354031e187d4e4749fa3702bc154967a2cd58
[INFO] running `Command { std: "docker" "start" "-a" "05a2e3ed4c4e0536d532decc506354031e187d4e4749fa3702bc154967a2cd58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05a2e3ed4c4e0536d532decc506354031e187d4e4749fa3702bc154967a2cd58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05a2e3ed4c4e0536d532decc506354031e187d4e4749fa3702bc154967a2cd58", kill_on_drop: false }`
[INFO] [stdout] 05a2e3ed4c4e0536d532decc506354031e187d4e4749fa3702bc154967a2cd58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 693cf467ddb37ef018be1ddc7f50f2a6e8b224edc38eab0ef7d0c865395cb22e
[INFO] running `Command { std: "docker" "start" "-a" "693cf467ddb37ef018be1ddc7f50f2a6e8b224edc38eab0ef7d0c865395cb22e", kill_on_drop: false }`
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking spark-ser7seg v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "693cf467ddb37ef018be1ddc7f50f2a6e8b224edc38eab0ef7d0c865395cb22e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "693cf467ddb37ef018be1ddc7f50f2a6e8b224edc38eab0ef7d0c865395cb22e", kill_on_drop: false }`
[INFO] [stdout] 693cf467ddb37ef018be1ddc7f50f2a6e8b224edc38eab0ef7d0c865395cb22e