[INFO] fetching crate paxos-rust 0.2.0...
[INFO] testing paxos-rust-0.2.0 against 1.47.0 for beta-1.48-1
[INFO] extracting crate paxos-rust 0.2.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate paxos-rust 0.2.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate paxos-rust 0.2.0
[INFO] finished tweaking crates.io crate paxos-rust 0.2.0
[INFO] tweaked toml for crates.io crate paxos-rust 0.2.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23ca4b6e53173ca3c371f1b629401d5270ec09da9b01adc5644f0e6e5c672342
[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" "23ca4b6e53173ca3c371f1b629401d5270ec09da9b01adc5644f0e6e5c672342", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23ca4b6e53173ca3c371f1b629401d5270ec09da9b01adc5644f0e6e5c672342", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23ca4b6e53173ca3c371f1b629401d5270ec09da9b01adc5644f0e6e5c672342", kill_on_drop: false }`
[INFO] [stdout] 23ca4b6e53173ca3c371f1b629401d5270ec09da9b01adc5644f0e6e5c672342
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb90b5bfacdb6e0e9bdf8f3631f3b2a5d23f78e08176d060cf6bb6072ca0d2a8
[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" "bb90b5bfacdb6e0e9bdf8f3631f3b2a5d23f78e08176d060cf6bb6072ca0d2a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling paxos-rust v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/acceptor.rs:18:31
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub messenger: Option<Box<Messenger<T>>>,
[INFO] [stdout]    |                               ^^^^^^^^^^^^ help: use `dyn`: `dyn Messenger<T>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/learner.rs:19:31
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub messenger: Option<Box<Messenger<T>>>,
[INFO] [stdout]    |                               ^^^^^^^^^^^^ help: use `dyn`: `dyn Messenger<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/proposer.rs:15:31
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub messenger: Option<Box<Messenger<T>>>,
[INFO] [stdout]    |                               ^^^^^^^^^^^^ help: use `dyn`: `dyn Messenger<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "bb90b5bfacdb6e0e9bdf8f3631f3b2a5d23f78e08176d060cf6bb6072ca0d2a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb90b5bfacdb6e0e9bdf8f3631f3b2a5d23f78e08176d060cf6bb6072ca0d2a8", kill_on_drop: false }`
[INFO] [stdout] bb90b5bfacdb6e0e9bdf8f3631f3b2a5d23f78e08176d060cf6bb6072ca0d2a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", 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] 24312d25c0697d5e2ed7c5979c0cbad58eea441310b8672bc38480981beacb53
[INFO] running `Command { std: "docker" "start" "-a" "24312d25c0697d5e2ed7c5979c0cbad58eea441310b8672bc38480981beacb53", kill_on_drop: false }`
[INFO] [stderr]    Compiling paxos-rust v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/acceptor.rs:18:31
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub messenger: Option<Box<Messenger<T>>>,
[INFO] [stdout]    |                               ^^^^^^^^^^^^ help: use `dyn`: `dyn Messenger<T>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/learner.rs:19:31
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub messenger: Option<Box<Messenger<T>>>,
[INFO] [stdout]    |                               ^^^^^^^^^^^^ help: use `dyn`: `dyn Messenger<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/proposer.rs:15:31
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub messenger: Option<Box<Messenger<T>>>,
[INFO] [stdout]    |                               ^^^^^^^^^^^^ help: use `dyn`: `dyn Messenger<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute must be of the form `#[test]`
[INFO] [stdout]    --> src/learner.rs:125:5
[INFO] [stdout]     |
[INFO] [stdout] 125 |     #[test(should_panic)]
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ill_formed_attribute_input)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #57571 <https://github.com/rust-lang/rust/issues/57571>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/acceptor.rs:18:31
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub messenger: Option<Box<Messenger<T>>>,
[INFO] [stdout]    |                               ^^^^^^^^^^^^ help: use `dyn`: `dyn Messenger<T>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/learner.rs:19:31
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub messenger: Option<Box<Messenger<T>>>,
[INFO] [stdout]    |                               ^^^^^^^^^^^^ help: use `dyn`: `dyn Messenger<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/proposer.rs:15:31
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub messenger: Option<Box<Messenger<T>>>,
[INFO] [stdout]    |                               ^^^^^^^^^^^^ help: use `dyn`: `dyn Messenger<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.28s
[INFO] running `Command { std: "docker" "inspect" "24312d25c0697d5e2ed7c5979c0cbad58eea441310b8672bc38480981beacb53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24312d25c0697d5e2ed7c5979c0cbad58eea441310b8672bc38480981beacb53", kill_on_drop: false }`
[INFO] [stdout] 24312d25c0697d5e2ed7c5979c0cbad58eea441310b8672bc38480981beacb53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 30d6227588a7e705f8151991727b09f91d0a9308f6dbfa9ad5e74f22391470dd
[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" "30d6227588a7e705f8151991727b09f91d0a9308f6dbfa9ad5e74f22391470dd", kill_on_drop: false }`
[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] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: attribute must be of the form `#[test]`
[INFO] [stderr]    --> src/learner.rs:125:5
[INFO] [stderr]     |
[INFO] [stderr] 125 |     #[test(should_panic)]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ill_formed_attribute_input)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #57571 <https://github.com/rust-lang/rust/issues/57571>
[INFO] [stderr] 
[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] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/paxos_rust-4b4862b99e0ac4e3
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test acceptor::tests::acceptor_new ... 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_receive_accepted ... ok
[INFO] [stdout] test acceptor::tests::acceptor_receive_accept ... ok
[INFO] [stdout] test acceptor::tests::acceptor_receive_prepare ... ok
[INFO] [stdout] test learner::tests::learner_receive_accepted ... ok
[INFO] [stderr]    Doc-tests paxos-rust
[INFO] [stdout] test proposer::tests::proposer_receive_promise ... ok
[INFO] [stdout] test proposer::tests::proposer_prepare ... ok
[INFO] [stdout] test proposer::tests::proposer_accept ... ok
[INFO] [stdout] test proposer::tests::proposer_new ... 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 `Command { std: "docker" "inspect" "30d6227588a7e705f8151991727b09f91d0a9308f6dbfa9ad5e74f22391470dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30d6227588a7e705f8151991727b09f91d0a9308f6dbfa9ad5e74f22391470dd", kill_on_drop: false }`
[INFO] [stdout] 30d6227588a7e705f8151991727b09f91d0a9308f6dbfa9ad5e74f22391470dd
