[INFO] fetching crate mcp794xx 0.2.1...
[INFO] checking mcp794xx-0.2.1 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate mcp794xx 0.2.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate mcp794xx 0.2.1 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mcp794xx 0.2.1
[INFO] finished tweaking crates.io crate mcp794xx 0.2.1
[INFO] tweaked toml for crates.io crate mcp794xx 0.2.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate mcp794xx 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded spidev v0.4.1
[INFO] [stderr]   Downloaded embedded-hal-mock v0.8.0
[INFO] [stderr]   Downloaded rtcc v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 799ba9463ee2aa56ddf2f4d5465955f13a132cfed8d025d1a8d721dab92cbe97
[INFO] running `Command { std: "docker" "start" "-a" "799ba9463ee2aa56ddf2f4d5465955f13a132cfed8d025d1a8d721dab92cbe97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "799ba9463ee2aa56ddf2f4d5465955f13a132cfed8d025d1a8d721dab92cbe97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "799ba9463ee2aa56ddf2f4d5465955f13a132cfed8d025d1a8d721dab92cbe97", kill_on_drop: false }`
[INFO] [stdout] 799ba9463ee2aa56ddf2f4d5465955f13a132cfed8d025d1a8d721dab92cbe97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] edff78ba7d2a0172591fad4ec488ed8c2dc2fc73e5c78040b45ff68cc7e97e3b
[INFO] running `Command { std: "docker" "start" "-a" "edff78ba7d2a0172591fad4ec488ed8c2dc2fc73e5c78040b45ff68cc7e97e3b", 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] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking ioctl-rs v0.1.6
[INFO] [stderr]     Checking serial-core v0.4.0
[INFO] [stderr]     Checking embedded-hal v0.2.6
[INFO] [stderr]     Checking serial-unix v0.4.0
[INFO] [stderr]     Checking embedded-hal-mock v0.8.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rtcc v0.2.1
[INFO] [stderr]     Checking mcp794xx v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking i2cdev v0.4.4
[INFO] [stderr]     Checking sysfs_gpio v0.5.4
[INFO] [stderr]     Checking spidev v0.4.1
[INFO] [stderr]     Checking linux-embedded-hal v0.3.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.62s
[INFO] running `Command { std: "docker" "inspect" "edff78ba7d2a0172591fad4ec488ed8c2dc2fc73e5c78040b45ff68cc7e97e3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edff78ba7d2a0172591fad4ec488ed8c2dc2fc73e5c78040b45ff68cc7e97e3b", kill_on_drop: false }`
[INFO] [stdout] edff78ba7d2a0172591fad4ec488ed8c2dc2fc73e5c78040b45ff68cc7e97e3b