[INFO] fetching crate mag3110 0.1.4...
[INFO] checking mag3110-0.1.4 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] extracting crate mag3110 0.1.4 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate mag3110 0.1.4 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mag3110 0.1.4
[INFO] finished tweaking crates.io crate mag3110 0.1.4
[INFO] tweaked toml for crates.io crate mag3110 0.1.4 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "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] 9e6e58f188ee36c4ce3e2f13a585e1744813e4faf7b55b1f94c2880f0f716f95
[INFO] running `Command { std: "docker" "start" "-a" "9e6e58f188ee36c4ce3e2f13a585e1744813e4faf7b55b1f94c2880f0f716f95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e6e58f188ee36c4ce3e2f13a585e1744813e4faf7b55b1f94c2880f0f716f95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e6e58f188ee36c4ce3e2f13a585e1744813e4faf7b55b1f94c2880f0f716f95", kill_on_drop: false }`
[INFO] [stdout] 9e6e58f188ee36c4ce3e2f13a585e1744813e4faf7b55b1f94c2880f0f716f95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 543301ab652a90e4fbabc286ff6c1fb14163c96925acb9b0439932bc74734890
[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" "543301ab652a90e4fbabc286ff6c1fb14163c96925acb9b0439932bc74734890", kill_on_drop: false }`
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]    Compiling cast v0.2.6
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.5
[INFO] [stderr]     Checking mag3110 v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:117:44
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let mut buffer: [u8; 6] = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:13:9
[INFO] [stdout]     |
[INFO] [stdout] 13  | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(deprecated)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:129:44
[INFO] [stdout]     |
[INFO] [stdout] 129 |         let mut buffer: [u8; 1] = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:142:48
[INFO] [stdout]     |
[INFO] [stdout] 142 |             let mut buffer: [u8; 1] = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:117:44
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let mut buffer: [u8; 6] = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:13:9
[INFO] [stdout]     |
[INFO] [stdout] 13  | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(deprecated)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:129:44
[INFO] [stdout]     |
[INFO] [stdout] 129 |         let mut buffer: [u8; 1] = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:142:48
[INFO] [stdout]     |
[INFO] [stdout] 142 |             let mut buffer: [u8; 1] = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mag3110`
[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" "543301ab652a90e4fbabc286ff6c1fb14163c96925acb9b0439932bc74734890", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "543301ab652a90e4fbabc286ff6c1fb14163c96925acb9b0439932bc74734890", kill_on_drop: false }`
[INFO] [stdout] 543301ab652a90e4fbabc286ff6c1fb14163c96925acb9b0439932bc74734890