[INFO] fetching crate ds1307 0.3.0...
[INFO] checking ds1307-0.3.0 against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] extracting crate ds1307 0.3.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate ds1307 0.3.0 on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ds1307 0.3.0
[INFO] finished tweaking crates.io crate ds1307 0.3.0
[INFO] tweaked toml for crates.io crate ds1307 0.3.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate ds1307 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e71c47259831e4abd6e5742f87101b03274e9dee9c94354db172a071c2ae2a3
[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" "4e71c47259831e4abd6e5742f87101b03274e9dee9c94354db172a071c2ae2a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e71c47259831e4abd6e5742f87101b03274e9dee9c94354db172a071c2ae2a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e71c47259831e4abd6e5742f87101b03274e9dee9c94354db172a071c2ae2a3", kill_on_drop: false }`
[INFO] [stdout] 4e71c47259831e4abd6e5742f87101b03274e9dee9c94354db172a071c2ae2a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 029d86df026c8648086ce1a98f76f696899768dd4bef2179c2ab34234286acf6
[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" "029d86df026c8648086ce1a98f76f696899768dd4bef2179c2ab34234286acf6", kill_on_drop: false }`
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking nb v0.1.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling cast v0.2.3
[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 embedded-hal v0.2.3
[INFO] [stderr]     Checking serial-unix v0.4.0
[INFO] [stderr]     Checking embedded-hal-mock v0.7.1
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking rtcc v0.2.0
[INFO] [stderr]     Checking ds1307 v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking spidev v0.4.0
[INFO] [stderr]     Checking i2cdev v0.4.4
[INFO] [stderr]     Checking sysfs_gpio v0.5.4
[INFO] [stderr]     Checking linux-embedded-hal v0.3.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.83s
[INFO] running `Command { std: "docker" "inspect" "029d86df026c8648086ce1a98f76f696899768dd4bef2179c2ab34234286acf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "029d86df026c8648086ce1a98f76f696899768dd4bef2179c2ab34234286acf6", kill_on_drop: false }`
[INFO] [stdout] 029d86df026c8648086ce1a98f76f696899768dd4bef2179c2ab34234286acf6