[INFO] fetching crate opt300x 0.1.0...
[INFO] checking opt300x-0.1.0 against try#55b3f428b4fac6790b1e8492e0b91ff2d80aec7c for pr-77035
[INFO] extracting crate opt300x 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate opt300x 0.1.0 on toolchain 55b3f428b4fac6790b1e8492e0b91ff2d80aec7c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate opt300x 0.1.0
[INFO] finished tweaking crates.io crate opt300x 0.1.0
[INFO] tweaked toml for crates.io crate opt300x 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate opt300x 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cast v0.2.2
[INFO] [stderr]   Downloaded spidev v0.3.0
[INFO] [stderr]   Downloaded linux-embedded-hal v0.2.2
[INFO] [stderr]   Downloaded bitflags v0.4.0
[INFO] [stderr]   Downloaded embedded-hal v0.2.3
[INFO] [stderr]   Downloaded sysfs_gpio v0.5.4
[INFO] [stderr]   Downloaded nix v0.6.0
[INFO] [stderr]   Downloaded nb v0.1.2
[INFO] [stderr]   Downloaded i2cdev v0.4.2
[INFO] [stderr]   Downloaded embedded-hal-mock v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55b197ce411f3711e751e10d6e95fd737ad05739aa18a95cae15bc3fb1ad2422
[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" "55b197ce411f3711e751e10d6e95fd737ad05739aa18a95cae15bc3fb1ad2422", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55b197ce411f3711e751e10d6e95fd737ad05739aa18a95cae15bc3fb1ad2422", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55b197ce411f3711e751e10d6e95fd737ad05739aa18a95cae15bc3fb1ad2422", kill_on_drop: false }`
[INFO] [stdout] 55b197ce411f3711e751e10d6e95fd737ad05739aa18a95cae15bc3fb1ad2422
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] b0c5bcf70fb09d128758ac226bbe5c334de931322a81b40e50b405d78e0f82e9
[INFO] running `Command { std: "docker" "start" "-a" "b0c5bcf70fb09d128758ac226bbe5c334de931322a81b40e50b405d78e0f82e9", kill_on_drop: false }`
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking nb v0.1.2
[INFO] [stderr]     Checking bitflags v0.3.3
[INFO] [stderr]     Checking cast v0.2.2
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr]     Checking embedded-hal v0.2.3
[INFO] [stderr]     Checking embedded-hal-mock v0.4.1
[INFO] [stderr]     Checking opt300x v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking spidev v0.3.0
[INFO] [stderr]     Checking i2cdev v0.4.2
[INFO] [stderr]     Checking sysfs_gpio v0.5.4
[INFO] [stderr]     Checking linux-embedded-hal v0.2.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.32s
[INFO] running `Command { std: "docker" "inspect" "b0c5bcf70fb09d128758ac226bbe5c334de931322a81b40e50b405d78e0f82e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0c5bcf70fb09d128758ac226bbe5c334de931322a81b40e50b405d78e0f82e9", kill_on_drop: false }`
[INFO] [stdout] b0c5bcf70fb09d128758ac226bbe5c334de931322a81b40e50b405d78e0f82e9