[INFO] crate paxos-rust 0.2.0 is already in cache
[INFO] extracting crate paxos-rust 0.2.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/paxos-rust/0.2.0
[INFO] extracting crate paxos-rust 0.2.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/paxos-rust/0.2.0
[INFO] validating manifest of paxos-rust-0.2.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of paxos-rust-0.2.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing paxos-rust-0.2.0
[INFO] finished frobbing paxos-rust-0.2.0
[INFO] frobbed toml for paxos-rust-0.2.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/paxos-rust/0.2.0/Cargo.toml
[INFO] started frobbing paxos-rust-0.2.0
[INFO] finished frobbing paxos-rust-0.2.0
[INFO] frobbed toml for paxos-rust-0.2.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/paxos-rust/0.2.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing paxos-rust-0.2.0 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/paxos-rust/0.2.0:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 0aae1c2ae3ff0934cd345027f4d329c8c80b913bc5e3504f76419fa5b3638d82
[INFO] running `"docker" "start" "-a" "0aae1c2ae3ff0934cd345027f4d329c8c80b913bc5e3504f76419fa5b3638d82"`
[INFO] [stderr]    Compiling paxos-rust v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/acceptor.rs:18:31
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub messenger: Option<Box<Messenger<T>>>,
[INFO] [stderr]    |                               ^^^^^^^^^^^^ help: use `dyn`: `dyn Messenger<T>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/learner.rs:19:31
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub messenger: Option<Box<Messenger<T>>>,
[INFO] [stderr]    |                               ^^^^^^^^^^^^ help: use `dyn`: `dyn Messenger<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/proposer.rs:15:31
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub messenger: Option<Box<Messenger<T>>>,
[INFO] [stderr]    |                               ^^^^^^^^^^^^ help: use `dyn`: `dyn Messenger<T>`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `"docker" "inspect" "0aae1c2ae3ff0934cd345027f4d329c8c80b913bc5e3504f76419fa5b3638d82"`
[INFO] running `"docker" "rm" "-f" "0aae1c2ae3ff0934cd345027f4d329c8c80b913bc5e3504f76419fa5b3638d82"`
[INFO] [stdout] 0aae1c2ae3ff0934cd345027f4d329c8c80b913bc5e3504f76419fa5b3638d82
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/paxos-rust/0.2.0:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 886daccd97247ca5d398d8259090c82afe39dfb47653b7a3a05c6cfae21880cd
[INFO] running `"docker" "start" "-a" "886daccd97247ca5d398d8259090c82afe39dfb47653b7a3a05c6cfae21880cd"`
[INFO] [stderr]    Compiling paxos-rust v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/acceptor.rs:18:31
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub messenger: Option<Box<Messenger<T>>>,
[INFO] [stderr]    |                               ^^^^^^^^^^^^ help: use `dyn`: `dyn Messenger<T>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/learner.rs:19:31
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub messenger: Option<Box<Messenger<T>>>,
[INFO] [stderr]    |                               ^^^^^^^^^^^^ help: use `dyn`: `dyn Messenger<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/proposer.rs:15:31
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub messenger: Option<Box<Messenger<T>>>,
[INFO] [stderr]    |                               ^^^^^^^^^^^^ help: use `dyn`: `dyn Messenger<T>`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `"docker" "inspect" "886daccd97247ca5d398d8259090c82afe39dfb47653b7a3a05c6cfae21880cd"`
[INFO] running `"docker" "rm" "-f" "886daccd97247ca5d398d8259090c82afe39dfb47653b7a3a05c6cfae21880cd"`
[INFO] [stdout] 886daccd97247ca5d398d8259090c82afe39dfb47653b7a3a05c6cfae21880cd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/paxos-rust/0.2.0:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 4784a1da5cb4555cdc0aa1cb7c924fc7cc5d00364944287cb7e7b73585a09e65
[INFO] running `"docker" "start" "-a" "4784a1da5cb4555cdc0aa1cb7c924fc7cc5d00364944287cb7e7b73585a09e65"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/paxos_rust-e175ebf5dde927bd
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test acceptor::tests::acceptor_new ... ok
[INFO] [stdout] test acceptor::tests::acceptor_receive_prepare ... ok
[INFO] [stdout] test acceptor::tests::acceptor_receive_accept ... ok
[INFO] [stdout] test learner::tests::learner_receive_accepted ... ok
[INFO] [stdout] test learner::tests::learner_new ... ok
[INFO] [stdout] test learner::tests::learner_receive_accepted_mismatch ... ok
[INFO] [stdout] test proposer::tests::proposer_accept ... ok
[INFO] [stdout] test proposer::tests::proposer_new ... ok
[INFO] [stdout] test proposer::tests::proposer_prepare ... ok
[INFO] [stdout] test proposer::tests::proposer_receive_accepted ... ok
[INFO] [stdout] test proposer::tests::proposer_receive_promise ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests paxos-rust
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "4784a1da5cb4555cdc0aa1cb7c924fc7cc5d00364944287cb7e7b73585a09e65"`
[INFO] running `"docker" "rm" "-f" "4784a1da5cb4555cdc0aa1cb7c924fc7cc5d00364944287cb7e7b73585a09e65"`
[INFO] [stdout] 4784a1da5cb4555cdc0aa1cb7c924fc7cc5d00364944287cb7e7b73585a09e65