[INFO] cloning repository https://github.com/Lang-Labs/raft
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lang-Labs/raft" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLang-Labs%2Fraft", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLang-Labs%2Fraft'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 271aa9a2d798c9b44d726cd86798e8f489eb8b6b
[INFO] checking Lang-Labs/raft against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLang-Labs%2Fraft" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Lang-Labs/raft
[INFO] finished tweaking git repo https://github.com/Lang-Labs/raft
[INFO] tweaked toml for git repo https://github.com/Lang-Labs/raft written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Lang-Labs/raft on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Lang-Labs/raft already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51b4b2a55a737905b35f6da3a6f24a30d6668ddfd01b7953a19f3f469693d052
[INFO] running `Command { std: "docker" "start" "-a" "51b4b2a55a737905b35f6da3a6f24a30d6668ddfd01b7953a19f3f469693d052", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51b4b2a55a737905b35f6da3a6f24a30d6668ddfd01b7953a19f3f469693d052", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51b4b2a55a737905b35f6da3a6f24a30d6668ddfd01b7953a19f3f469693d052", kill_on_drop: false }`
[INFO] [stdout] 51b4b2a55a737905b35f6da3a6f24a30d6668ddfd01b7953a19f3f469693d052
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb0d3e77ea7ddbeae5ca198af7011e32ac08557f1cde7824ceb5bee7392b9036
[INFO] running `Command { std: "docker" "start" "-a" "eb0d3e77ea7ddbeae5ca198af7011e32ac08557f1cde7824ceb5bee7392b9036", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
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[INFO] [stderr]    Compiling memchr v2.3.3
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[INFO] [stderr]    Compiling remove_dir_all v0.5.2
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[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]    Compiling itertools v0.8.2
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[INFO] [stderr]    Compiling prost-build v0.6.1
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[INFO] [stderr]     Checking rand_chacha v0.2.2
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[INFO] [stderr]     Checking quick-error v1.2.3
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[INFO] [stderr]     Checking oorandom v11.1.0
[INFO] [stderr]     Checking rand v0.7.3
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[INFO] [stderr]     Checking linearizability v0.1.0 (/opt/rustwide/workdir/linearizability)
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]     Checking criterion-plot v0.4.2
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[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking bstr v0.2.12
[INFO] [stderr]     Checking serde_json v1.0.52
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking tinytemplate v1.0.4
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling async-trait v0.1.30
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking criterion v0.3.2
[INFO] [stderr]    Compiling labcodec v0.1.0 (/opt/rustwide/workdir/labcodec)
[INFO] [stderr]    Compiling raft v0.1.0 (/opt/rustwide/workdir/raft)
[INFO] [stderr]    Compiling percolator v0.1.0 (/opt/rustwide/workdir/percolator)
[INFO] [stderr]     Checking labrpc v0.1.0 (/opt/rustwide/workdir/labrpc)
[INFO] [stdout] warning: unused import: `Service`
[INFO] [stdout]   --> percolator/src/service.rs:12:74
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub use timestamp::{add_service as add_tso_service, Client as TSOClient, Service};
[INFO] [stdout]    |                                                                          ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `add_service as add_raft_service`
[INFO] [stdout]   --> raft/src/proto/mod.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |         add_service as add_raft_service, Client as RaftClient, Service as RaftService,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `add_service as add_kv_service`
[INFO] [stdout]   --> raft/src/proto/mod.rs:30:24
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub use self::kv::{add_service as add_kv_service, Client as KvClient, Service as KvService};
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Service` and `add_service as add_tso_service`
[INFO] [stdout]   --> percolator/src/service.rs:12:21
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub use timestamp::{add_service as add_tso_service, Client as TSOClient, Service};
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^                       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `add_service as add_transaction_service`
[INFO] [stdout]   --> percolator/src/service.rs:22:23
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub use transaction::{add_service as add_transaction_service, Client as TransactionClient};
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> raft/src/raft/tests.rs:925:6
[INFO] [stdout]     |
[INFO] [stdout] 925 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `rs` is never read
[INFO] [stdout]    --> raft/src/raft/mod.rs:315:25
[INFO] [stdout]     |
[INFO] [stdout] 315 |                         rs.is_leader = vote_count > (n / 2 + n % 2);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> raft/src/raft/mod.rs:326:68
[INFO] [stdout]     |
[INFO] [stdout] 326 |                         mpsc::TryRecvError::Disconnected => panic!(e),
[INFO] [stdout]     |                                                                    ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 326 |                         mpsc::TryRecvError::Disconnected => panic!("{}", e),
[INFO] [stdout]     |                                                                    +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 326 -                         mpsc::TryRecvError::Disconnected => panic!(e),
[INFO] [stdout] 326 +                         mpsc::TryRecvError::Disconnected => std::panic::panic_any(e),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `rs` is never read
[INFO] [stdout]    --> raft/src/raft/mod.rs:315:25
[INFO] [stdout]     |
[INFO] [stdout] 315 |                         rs.is_leader = vote_count > (n / 2 + n % 2);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> raft/src/raft/mod.rs:326:68
[INFO] [stdout]     |
[INFO] [stdout] 326 |                         mpsc::TryRecvError::Disconnected => panic!(e),
[INFO] [stdout]     |                                                                    ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 326 |                         mpsc::TryRecvError::Disconnected => panic!("{}", e),
[INFO] [stdout]     |                                                                    +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 326 -                         mpsc::TryRecvError::Disconnected => panic!(e),
[INFO] [stdout] 326 +                         mpsc::TryRecvError::Disconnected => std::panic::panic_any(e),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.43s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "eb0d3e77ea7ddbeae5ca198af7011e32ac08557f1cde7824ceb5bee7392b9036", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb0d3e77ea7ddbeae5ca198af7011e32ac08557f1cde7824ceb5bee7392b9036", kill_on_drop: false }`
[INFO] [stdout] eb0d3e77ea7ddbeae5ca198af7011e32ac08557f1cde7824ceb5bee7392b9036
