[INFO] crate heartbeat 0.0.1 is already in cache
[INFO] extracting crate heartbeat 0.0.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/heartbeat/0.0.1
[INFO] extracting crate heartbeat 0.0.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/heartbeat/0.0.1
[INFO] validating manifest of heartbeat-0.0.1 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of heartbeat-0.0.1 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing heartbeat-0.0.1
[INFO] finished frobbing heartbeat-0.0.1
[INFO] frobbed toml for heartbeat-0.0.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/heartbeat/0.0.1/Cargo.toml
[INFO] started frobbing heartbeat-0.0.1
[INFO] finished frobbing heartbeat-0.0.1
[INFO] frobbed toml for heartbeat-0.0.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/heartbeat/0.0.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing heartbeat-0.0.1 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/heartbeat/0.0.1:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 322d31f41f7ee5bcb14882d080177f23e898dfdce1357fbef41fead28ddfff53
[INFO] running `"docker" "start" "-a" "322d31f41f7ee5bcb14882d080177f23e898dfdce1357fbef41fead28ddfff53"`
[INFO] [stderr]    Compiling heartbeat v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] error[E0433]: failed to resolve: could not find `Parser` in `toml`
[INFO] [stderr]   --> src/lib.rs:74:31
[INFO] [stderr]    |
[INFO] [stderr] 74 |         let val = match toml::Parser::new(&file_str[..]).parse() {
[INFO] [stderr]    |                               ^^^^^^ could not find `Parser` in `toml`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:20:29
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub type Client = Heartbeat<Fn(&SocketAddr) -> ()>;
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&SocketAddr) -> ()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]   --> src/lib.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::thread::sleep_ms;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]    --> src/lib.rs:125:13
[INFO] [stderr]     |
[INFO] [stderr] 125 |             sleep_ms(self.frequency);
[INFO] [stderr]     |             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0433`.
[INFO] [stderr] error: Could not compile `heartbeat`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "322d31f41f7ee5bcb14882d080177f23e898dfdce1357fbef41fead28ddfff53"`
[INFO] running `"docker" "rm" "-f" "322d31f41f7ee5bcb14882d080177f23e898dfdce1357fbef41fead28ddfff53"`
[INFO] [stdout] 322d31f41f7ee5bcb14882d080177f23e898dfdce1357fbef41fead28ddfff53