[INFO] updating cached repository zeroem/riemann-cli
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/zeroem/riemann-cli
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/zeroem/riemann-cli" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/zeroem/riemann-cli"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/zeroem/riemann-cli'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/zeroem/riemann-cli" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/zeroem/riemann-cli"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/zeroem/riemann-cli'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ad6b81be94ca61b0e31d315217735b54fb9a3e16
[INFO] sha for GitHub repo zeroem/riemann-cli: ad6b81be94ca61b0e31d315217735b54fb9a3e16
[INFO] validating manifest of zeroem/riemann-cli on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of zeroem/riemann-cli on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing zeroem/riemann-cli
[INFO] finished frobbing zeroem/riemann-cli
[INFO] frobbed toml for zeroem/riemann-cli written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/zeroem/riemann-cli/Cargo.toml
[INFO] started frobbing zeroem/riemann-cli
[INFO] finished frobbing zeroem/riemann-cli
[INFO] frobbed toml for zeroem/riemann-cli written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/zeroem/riemann-cli/Cargo.toml
[INFO] crate zeroem/riemann-cli already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/zeroem/riemann-cli/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking zeroem/riemann-cli against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-6/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/zeroem/riemann-cli:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2098911add0331d08ae442c3acda2746be690abed8556c313ef161b3004332bb
[INFO] running `"docker" "start" "-a" "2098911add0331d08ae442c3acda2746be690abed8556c313ef161b3004332bb"`
[INFO] [stderr] warning: file found to be present in multiple build targets: /opt/crater/workdir/src/main.rs
[INFO] [stderr]    Compiling protobuf v1.7.4
[INFO] [stderr]     Checking getopts v0.2.18
[INFO] [stderr]     Checking riemann-cli v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'protobuf::reflect::accessor::make_repeated_string_accessor'
[INFO] [stderr]    --> src/riemann.rs:486:29
[INFO] [stderr]     |
[INFO] [stderr] 486 |                 fields.push(::protobuf::reflect::accessor::make_repeated_string_accessor(
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'protobuf::reflect::accessor::make_repeated_string_accessor'
[INFO] [stderr]     --> src/riemann.rs:1112:29
[INFO] [stderr]      |
[INFO] [stderr] 1112 |                 fields.push(::protobuf::reflect::accessor::make_repeated_string_accessor(
[INFO] [stderr]      |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'protobuf::reflect::accessor::make_repeated_message_accessor'
[INFO] [stderr]     --> src/riemann.rs:1121:29
[INFO] [stderr]      |
[INFO] [stderr] 1121 |                 fields.push(::protobuf::reflect::accessor::make_repeated_message_accessor(
[INFO] [stderr]      |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'protobuf::reflect::accessor::make_repeated_message_accessor'
[INFO] [stderr]     --> src/riemann.rs:1698:29
[INFO] [stderr]      |
[INFO] [stderr] 1698 |                 fields.push(::protobuf::reflect::accessor::make_repeated_message_accessor(
[INFO] [stderr]      |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'protobuf::reflect::accessor::make_repeated_message_accessor'
[INFO] [stderr]     --> src/riemann.rs:1707:29
[INFO] [stderr]      |
[INFO] [stderr] 1707 |                 fields.push(::protobuf::reflect::accessor::make_repeated_message_accessor(
[INFO] [stderr]      |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]    --> src/riemann.rs:286:6
[INFO] [stderr]     |
[INFO] [stderr] 286 | impl ::protobuf::Message for State {
[INFO] [stderr]     |      ^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     |
[INFO] [stderr]     = help: within `State`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]     = note: required because it appears within the type `State`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]    --> src/riemann.rs:443:6
[INFO] [stderr]     |
[INFO] [stderr] 443 | impl ::protobuf::MessageStatic for State {
[INFO] [stderr]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     |
[INFO] [stderr]     = help: within `State`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]     = note: required because it appears within the type `State`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]    --> src/riemann.rs:879:6
[INFO] [stderr]     |
[INFO] [stderr] 879 | impl ::protobuf::Message for Event {
[INFO] [stderr]     |      ^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     |
[INFO] [stderr]     = help: within `Event`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]     = note: required because it appears within the type `Event`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/riemann.rs:1074:6
[INFO] [stderr]      |
[INFO] [stderr] 1074 | impl ::protobuf::MessageStatic for Event {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `Event`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `Event`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/riemann.rs:1257:6
[INFO] [stderr]      |
[INFO] [stderr] 1257 | impl ::protobuf::Message for Query {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `Query`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `Query`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/riemann.rs:1327:6
[INFO] [stderr]      |
[INFO] [stderr] 1327 | impl ::protobuf::MessageStatic for Query {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `Query`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `Query`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/riemann.rs:1552:6
[INFO] [stderr]      |
[INFO] [stderr] 1552 | impl ::protobuf::Message for Msg {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `Msg`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `Msg`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/riemann.rs:1675:6
[INFO] [stderr]      |
[INFO] [stderr] 1675 | impl ::protobuf::MessageStatic for Msg {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `Msg`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `Msg`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/riemann.rs:1854:6
[INFO] [stderr]      |
[INFO] [stderr] 1854 | impl ::protobuf::Message for Attribute {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `Attribute`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `Attribute`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/riemann.rs:1940:6
[INFO] [stderr]      |
[INFO] [stderr] 1940 | impl ::protobuf::MessageStatic for Attribute {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `Attribute`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `Attribute`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'protobuf::reflect::accessor::make_repeated_string_accessor'
[INFO] [stderr]    --> src/riemann.rs:486:29
[INFO] [stderr]     |
[INFO] [stderr] 486 |                 fields.push(::protobuf::reflect::accessor::make_repeated_string_accessor(
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'protobuf::reflect::accessor::make_repeated_string_accessor'
[INFO] [stderr]     --> src/riemann.rs:1112:29
[INFO] [stderr]      |
[INFO] [stderr] 1112 |                 fields.push(::protobuf::reflect::accessor::make_repeated_string_accessor(
[INFO] [stderr]      |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'protobuf::reflect::accessor::make_repeated_message_accessor'
[INFO] [stderr]     --> src/riemann.rs:1121:29
[INFO] [stderr]      |
[INFO] [stderr] 1121 |                 fields.push(::protobuf::reflect::accessor::make_repeated_message_accessor(
[INFO] [stderr]      |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'protobuf::reflect::accessor::make_repeated_message_accessor'
[INFO] [stderr]     --> src/riemann.rs:1698:29
[INFO] [stderr]      |
[INFO] [stderr] 1698 |                 fields.push(::protobuf::reflect::accessor::make_repeated_message_accessor(
[INFO] [stderr]      |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'protobuf::reflect::accessor::make_repeated_message_accessor'
[INFO] [stderr]     --> src/riemann.rs:1707:29
[INFO] [stderr]      |
[INFO] [stderr] 1707 |                 fields.push(::protobuf::reflect::accessor::make_repeated_message_accessor(
[INFO] [stderr]      |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 10 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: Could not compile `riemann-cli`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]    --> src/riemann.rs:286:6
[INFO] [stderr]     |
[INFO] [stderr] 286 | impl ::protobuf::Message for State {
[INFO] [stderr]     |      ^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     |
[INFO] [stderr]     = help: within `State`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]     = note: required because it appears within the type `State`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]    --> src/riemann.rs:443:6
[INFO] [stderr]     |
[INFO] [stderr] 443 | impl ::protobuf::MessageStatic for State {
[INFO] [stderr]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     |
[INFO] [stderr]     = help: within `State`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]     = note: required because it appears within the type `State`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]    --> src/riemann.rs:879:6
[INFO] [stderr]     |
[INFO] [stderr] 879 | impl ::protobuf::Message for Event {
[INFO] [stderr]     |      ^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     |
[INFO] [stderr]     = help: within `Event`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]     = note: required because it appears within the type `Event`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/riemann.rs:1074:6
[INFO] [stderr]      |
[INFO] [stderr] 1074 | impl ::protobuf::MessageStatic for Event {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `Event`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `Event`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/riemann.rs:1257:6
[INFO] [stderr]      |
[INFO] [stderr] 1257 | impl ::protobuf::Message for Query {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `Query`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `Query`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/riemann.rs:1327:6
[INFO] [stderr]      |
[INFO] [stderr] 1327 | impl ::protobuf::MessageStatic for Query {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `Query`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `Query`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/riemann.rs:1552:6
[INFO] [stderr]      |
[INFO] [stderr] 1552 | impl ::protobuf::Message for Msg {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `Msg`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `Msg`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/riemann.rs:1675:6
[INFO] [stderr]      |
[INFO] [stderr] 1675 | impl ::protobuf::MessageStatic for Msg {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `Msg`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `Msg`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/riemann.rs:1854:6
[INFO] [stderr]      |
[INFO] [stderr] 1854 | impl ::protobuf::Message for Attribute {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `Attribute`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `Attribute`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/riemann.rs:1940:6
[INFO] [stderr]      |
[INFO] [stderr] 1940 | impl ::protobuf::MessageStatic for Attribute {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `Attribute`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `Attribute`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 10 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: Could not compile `riemann-cli`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "2098911add0331d08ae442c3acda2746be690abed8556c313ef161b3004332bb"`
[INFO] running `"docker" "rm" "-f" "2098911add0331d08ae442c3acda2746be690abed8556c313ef161b3004332bb"`
[INFO] [stdout] 2098911add0331d08ae442c3acda2746be690abed8556c313ef161b3004332bb