[INFO] fetching crate paxos-rust 0.2.0...
[INFO] extracting crate paxos-rust 0.2.0 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/paxos-rust/0.2.0
[INFO] extracting crate paxos-rust 0.2.0 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/paxos-rust/0.2.0
[INFO] validating manifest of paxos-rust-0.2.0 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of paxos-rust-0.2.0 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "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/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/paxos-rust/0.2.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing paxos-rust-0.2.0 against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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=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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] dff8a4e3d4ae39b49243b198693f24cd5f2fdc01db80407e53f8adf7cbdd16a2
[INFO] running `"docker" "start" "-a" "dff8a4e3d4ae39b49243b198693f24cd5f2fdc01db80407e53f8adf7cbdd16a2"`
[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 0.35s
[INFO] running `"docker" "inspect" "dff8a4e3d4ae39b49243b198693f24cd5f2fdc01db80407e53f8adf7cbdd16a2"`
[INFO] running `"docker" "rm" "-f" "dff8a4e3d4ae39b49243b198693f24cd5f2fdc01db80407e53f8adf7cbdd16a2"`
[INFO] [stdout] dff8a4e3d4ae39b49243b198693f24cd5f2fdc01db80407e53f8adf7cbdd16a2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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=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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 597679a2f97d0438ce0419af8662de13261eb12641e8f0ef968a1997d772b367
[INFO] running `"docker" "start" "-a" "597679a2f97d0438ce0419af8662de13261eb12641e8f0ef968a1997d772b367"`
[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 1.27s
[INFO] running `"docker" "inspect" "597679a2f97d0438ce0419af8662de13261eb12641e8f0ef968a1997d772b367"`
[INFO] running `"docker" "rm" "-f" "597679a2f97d0438ce0419af8662de13261eb12641e8f0ef968a1997d772b367"`
[INFO] [stdout] 597679a2f97d0438ce0419af8662de13261eb12641e8f0ef968a1997d772b367
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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=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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"`
[INFO] [stdout] 5a5bdca30edfacac3089af15f38daa289e32ad753d7835324eeded68558e2bd3
[INFO] running `"docker" "start" "-a" "5a5bdca30edfacac3089af15f38daa289e32ad753d7835324eeded68558e2bd3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/paxos_rust-3400fdecf8f2c4db
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test acceptor::tests::acceptor_receive_accept ... ok
[INFO] [stdout] test acceptor::tests::acceptor_receive_prepare ... ok
[INFO] [stdout] test learner::tests::learner_new ... ok
[INFO] [stdout] test proposer::tests::proposer_accept ... ok
[INFO] [stdout] test learner::tests::learner_receive_accepted_mismatch ... ok
[INFO] [stdout] test proposer::tests::proposer_new ... ok
[INFO] [stdout] test proposer::tests::proposer_prepare ... ok
[INFO] [stdout] test learner::tests::learner_receive_accepted ... ok
[INFO] [stdout] test proposer::tests::proposer_receive_promise ... ok
[INFO] [stdout] test acceptor::tests::acceptor_new ... ok
[INFO] [stderr]    Doc-tests paxos-rust
[INFO] [stdout] test proposer::tests::proposer_receive_accepted ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "5a5bdca30edfacac3089af15f38daa289e32ad753d7835324eeded68558e2bd3"`
[INFO] running `"docker" "rm" "-f" "5a5bdca30edfacac3089af15f38daa289e32ad753d7835324eeded68558e2bd3"`
[INFO] [stdout] 5a5bdca30edfacac3089af15f38daa289e32ad753d7835324eeded68558e2bd3