[INFO] cloning repository https://github.com/Shuumatsu/raft
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Shuumatsu/raft" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShuumatsu%2Fraft", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShuumatsu%2Fraft'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d80a6f747c8449f9e62e2f8d6488713da18f6b3b
[INFO] checking Shuumatsu/raft against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShuumatsu%2Fraft" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Shuumatsu/raft
[INFO] finished tweaking git repo https://github.com/Shuumatsu/raft
[INFO] tweaked toml for git repo https://github.com/Shuumatsu/raft written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Shuumatsu/raft on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Shuumatsu/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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52a23f4e15b0cfae092e74de28b56bf25aaad61540102ea6c24c6cb89ce67514
[INFO] running `Command { std: "docker" "start" "-a" "52a23f4e15b0cfae092e74de28b56bf25aaad61540102ea6c24c6cb89ce67514", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52a23f4e15b0cfae092e74de28b56bf25aaad61540102ea6c24c6cb89ce67514", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52a23f4e15b0cfae092e74de28b56bf25aaad61540102ea6c24c6cb89ce67514", kill_on_drop: false }`
[INFO] [stdout] 52a23f4e15b0cfae092e74de28b56bf25aaad61540102ea6c24c6cb89ce67514
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cfff16ac2b7edf26e8318f89f6338bdfe1730160fe2819a7a695d9bf8f157ce7
[INFO] running `Command { std: "docker" "start" "-a" "cfff16ac2b7edf26e8318f89f6338bdfe1730160fe2819a7a695d9bf8f157ce7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]     Checking tracing-core v0.1.19
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling tokio v1.10.1
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking sharded-slab v0.1.3
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking os_str_bytes v3.1.0
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling thiserror-impl v1.0.28
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling tarpc-plugins v0.11.0
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.4
[INFO] [stderr]    Compiling async-recursion v0.2.0
[INFO] [stderr]     Checking thiserror v1.0.28
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking tokio-serde v0.8.0
[INFO] [stderr]     Checking clap v3.0.0-beta.4
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]     Checking futures-executor v0.3.17
[INFO] [stderr]     Checking futures v0.3.17
[INFO] [stderr]     Checking opentelemetry v0.13.0
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking tracing-subscriber v0.2.20
[INFO] [stderr]     Checking tracing-opentelemetry v0.12.0
[INFO] [stderr]     Checking tarpc v0.26.2
[INFO] [stderr]     Checking raft v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[macro_use]
[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 `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `scopeguard::guard_on_success`
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use scopeguard::guard_on_success;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `oneshot`
[INFO] [stdout]   --> src/lib.rs:14:25
[INFO] [stdout]    |
[INFO] [stdout] 14 | use tokio::sync::{mpsc, oneshot};
[INFO] [stdout]    |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Duration` and `sleep`
[INFO] [stdout]  --> src/event_channel.rs:3:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tokio::time::{sleep, Duration, Instant};
[INFO] [stdout]   |                   ^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `let_chains` has been stable since 1.88.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(let_chains)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[macro_use]
[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 `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `scopeguard::guard_on_success`
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use scopeguard::guard_on_success;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `oneshot`
[INFO] [stdout]   --> src/lib.rs:14:25
[INFO] [stdout]    |
[INFO] [stdout] 14 | use tokio::sync::{mpsc, oneshot};
[INFO] [stdout]    |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Duration` and `sleep`
[INFO] [stdout]  --> src/event_channel.rs:3:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tokio::time::{sleep, Duration, Instant};
[INFO] [stdout]   |                   ^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `let_chains` has been stable since 1.88.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(let_chains)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::prelude`
[INFO] [stdout]  --> src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use futures::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sequence_number`
[INFO] [stdout]    --> src/lib.rs:520:21
[INFO] [stdout]     |
[INFO] [stdout] 520 |                     sequence_number,
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^ help: try ignoring the field: `sequence_number: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::prelude`
[INFO] [stdout]  --> src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use futures::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sequence_number`
[INFO] [stdout]    --> src/lib.rs:520:21
[INFO] [stdout]     |
[INFO] [stdout] 520 |                     sequence_number,
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^ help: try ignoring the field: `sequence_number: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.93s
[INFO] running `Command { std: "docker" "inspect" "cfff16ac2b7edf26e8318f89f6338bdfe1730160fe2819a7a695d9bf8f157ce7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfff16ac2b7edf26e8318f89f6338bdfe1730160fe2819a7a695d9bf8f157ce7", kill_on_drop: false }`
[INFO] [stdout] cfff16ac2b7edf26e8318f89f6338bdfe1730160fe2819a7a695d9bf8f157ce7
