[INFO] fetching crate mma7660fc 0.1.2... [INFO] checking mma7660fc-0.1.2 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] extracting crate mma7660fc 0.1.2 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate mma7660fc 0.1.2 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-2/source/.cargo/config [INFO] started tweaking crates.io crate mma7660fc 0.1.2 [INFO] finished tweaking crates.io crate mma7660fc 0.1.2 [INFO] tweaked toml for crates.io crate mma7660fc 0.1.2 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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 cargo_metadata v0.6.4 [INFO] [stderr] Downloaded rustc_version v0.1.7 [INFO] [stderr] Downloaded bytecount v0.4.0 [INFO] [stderr] Downloaded skeptic v0.13.4 [INFO] [stderr] Downloaded embedded-hal v0.1.3 [INFO] [stderr] Downloaded semver v0.1.20 [INFO] [stderr] Downloaded nix v0.10.0 [INFO] [stderr] Downloaded bitflags v0.4.0 [INFO] [stderr] Downloaded nix v0.6.0 [INFO] [stderr] Downloaded pulldown-cmark v0.2.0 [INFO] [stderr] Downloaded i2cdev v0.3.2 [INFO] [stderr] Downloaded linux-embedded-hal v0.1.1 [INFO] [stderr] Downloaded spidev v0.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3afc6d2eeb27871c7cb39cecc211395f87309301ccc1523c5f9bf4cd7d558bcb [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" "3afc6d2eeb27871c7cb39cecc211395f87309301ccc1523c5f9bf4cd7d558bcb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3afc6d2eeb27871c7cb39cecc211395f87309301ccc1523c5f9bf4cd7d558bcb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3afc6d2eeb27871c7cb39cecc211395f87309301ccc1523c5f9bf4cd7d558bcb", kill_on_drop: false }` [INFO] [stdout] 3afc6d2eeb27871c7cb39cecc211395f87309301ccc1523c5f9bf4cd7d558bcb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] 7a6a9133c68564958c89c387e32278411022d13f69ba7053cbe8dcfe3f4ef9ed [INFO] running `Command { std: "docker" "start" "-a" "7a6a9133c68564958c89c387e32278411022d13f69ba7053cbe8dcfe3f4ef9ed", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.79 [INFO] [stderr] Compiling serde v1.0.116 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling gimli v0.22.0 [INFO] [stderr] Compiling adler v0.2.3 [INFO] [stderr] Compiling object v0.20.0 [INFO] [stderr] Compiling rustc-demangle v0.1.17 [INFO] [stderr] Compiling pulldown-cmark v0.2.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling semver v0.1.20 [INFO] [stderr] Compiling bytecount v0.4.0 [INFO] [stderr] Checking bitflags v0.4.0 [INFO] [stderr] Checking bitflags v0.3.3 [INFO] [stderr] Compiling error-chain v0.12.4 [INFO] [stderr] Checking nb v0.1.3 [INFO] [stderr] Compiling walkdir v2.3.1 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking embedded-hal v0.2.4 [INFO] [stderr] Compiling rustc_version v0.1.7 [INFO] [stderr] Checking embedded-hal v0.1.3 [INFO] [stderr] Compiling syn v1.0.42 [INFO] [stderr] Compiling nix v0.6.0 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking nix v0.14.1 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Checking nix v0.10.0 [INFO] [stderr] Compiling tempdir v0.3.7 [INFO] [stderr] Checking spidev v0.3.0 [INFO] [stderr] Compiling addr2line v0.13.0 [INFO] [stderr] Compiling backtrace v0.3.51 [INFO] [stderr] Compiling serde_derive v1.0.116 [INFO] [stderr] Checking sysfs_gpio v0.5.4 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling serde_json v1.0.58 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Checking mma7660fc v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] error: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/lib.rs:177:44 [INFO] [stdout] | [INFO] [stdout] 177 | let mut buffer: [u8; 3] = unsafe { mem::uninitialized() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:60:9 [INFO] [stdout] | [INFO] [stdout] 60 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[deny(deprecated)]` implied by `#[deny(warnings)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mma7660fc` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "7a6a9133c68564958c89c387e32278411022d13f69ba7053cbe8dcfe3f4ef9ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a6a9133c68564958c89c387e32278411022d13f69ba7053cbe8dcfe3f4ef9ed", kill_on_drop: false }` [INFO] [stdout] 7a6a9133c68564958c89c387e32278411022d13f69ba7053cbe8dcfe3f4ef9ed