[INFO] fetching crate mcp794xx 0.2.0...
[INFO] checking mcp794xx-0.2.0 against master#7f5a42b073dc2bee2aa625052eb066ee07072048 for pr-78991
[INFO] extracting crate mcp794xx 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate mcp794xx 0.2.0 on toolchain 7f5a42b073dc2bee2aa625052eb066ee07072048
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mcp794xx 0.2.0
[INFO] finished tweaking crates.io crate mcp794xx 0.2.0
[INFO] tweaked toml for crates.io crate mcp794xx 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate mcp794xx 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ade64df7ee2827ee1dab8d7c8e743623d95606e64eb77f032eb73d2054472046
[INFO] running `Command { std: "docker" "start" "-a" "ade64df7ee2827ee1dab8d7c8e743623d95606e64eb77f032eb73d2054472046", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ade64df7ee2827ee1dab8d7c8e743623d95606e64eb77f032eb73d2054472046", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ade64df7ee2827ee1dab8d7c8e743623d95606e64eb77f032eb73d2054472046", kill_on_drop: false }`
[INFO] [stdout] ade64df7ee2827ee1dab8d7c8e743623d95606e64eb77f032eb73d2054472046
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d0c4721bed6f648a8965156203eed664a12c94a7adfe07e7fa2ee1ca45c5063
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7d0c4721bed6f648a8965156203eed664a12c94a7adfe07e7fa2ee1ca45c5063", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking nb v0.1.2
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking embedded-hal v0.2.3
[INFO] [stderr]     Checking embedded-hal-mock v0.7.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking nix v0.14.1
[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 serial-unix v0.4.0
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking rtcc v0.2.0
[INFO] [stderr]     Checking mcp794xx v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking i2cdev v0.4.4
[INFO] [stderr]     Checking sysfs_gpio v0.5.4
[INFO] [stderr]     Checking spidev v0.4.0
[INFO] [stderr]     Checking linux-embedded-hal v0.3.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.85s
[INFO] running `Command { std: "docker" "inspect" "7d0c4721bed6f648a8965156203eed664a12c94a7adfe07e7fa2ee1ca45c5063", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d0c4721bed6f648a8965156203eed664a12c94a7adfe07e7fa2ee1ca45c5063", kill_on_drop: false }`
[INFO] [stdout] 7d0c4721bed6f648a8965156203eed664a12c94a7adfe07e7fa2ee1ca45c5063