[INFO] fetching crate frugalos_raft 1.2.0...
[INFO] checking frugalos_raft-1.2.0 against try#fceb2de603f0807f9049222f3f612ed51ed8f9dc for pr-157576
[INFO] extracting crate frugalos_raft 1.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate frugalos_raft 1.2.0
[INFO] finished tweaking crates.io crate frugalos_raft 1.2.0
[INFO] tweaked toml for crates.io crate frugalos_raft 1.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate frugalos_raft 1.2.0 on toolchain fceb2de603f0807f9049222f3f612ed51ed8f9dc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fceb2de603f0807f9049222f3f612ed51ed8f9dc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fceb2de603f0807f9049222f3f612ed51ed8f9dc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 76 packages to latest compatible versions
[INFO] [stderr]       Adding bytecodec v0.4.15 (available: v0.5.0)
[INFO] [stderr]       Adding futures v0.1.31 (available: v0.3.32)
[INFO] [stderr]       Adding rand v0.5.6 (available: v0.10.1)
[INFO] [stderr]       Adding trackable v0.2.24 (available: v1.3.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fceb2de603f0807f9049222f3f612ed51ed8f9dc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 82c0f28d5fbb93a8182c6f0baa992bf22d4327f9dce285633d1de8b791d347a5
[INFO] running `Command { std: "docker" "start" "82c0f28d5fbb93a8182c6f0baa992bf22d4327f9dce285633d1de8b791d347a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "82c0f28d5fbb93a8182c6f0baa992bf22d4327f9dce285633d1de8b791d347a5" "/opt/rustwide/cargo-home/bin/cargo" "+fceb2de603f0807f9049222f3f612ed51ed8f9dc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82c0f28d5fbb93a8182c6f0baa992bf22d4327f9dce285633d1de8b791d347a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "82c0f28d5fbb93a8182c6f0baa992bf22d4327f9dce285633d1de8b791d347a5" "/opt/rustwide/cargo-home/bin/cargo" "+fceb2de603f0807f9049222f3f612ed51ed8f9dc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking nom v2.2.1
[INFO] [stderr]     Checking atomic_immut v0.1.4
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking splay_tree v0.2.10
[INFO] [stderr]     Checking nbchan v0.1.3
[INFO] [stderr]    Compiling procinfo v0.4.2
[INFO] [stderr]    Compiling slog v2.8.2
[INFO] [stderr]     Checking factory v0.1.2
[INFO] [stderr]    Compiling syn v2.0.118
[INFO] [stderr]     Checking fibers v0.1.13
[INFO] [stderr]     Checking fibers_global v0.1.2
[INFO] [stderr]     Checking erased-serde v0.3.31
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling trackable_derive v1.0.0
[INFO] [stderr]     Checking trackable v1.3.0
[INFO] [stderr]     Checking trackable v0.2.24
[INFO] [stderr]     Checking bytecodec v0.4.15
[INFO] [stderr]     Checking protobuf_codec v0.2.8
[INFO] [stderr]     Checking prometrics v0.1.13
[INFO] [stderr]     Checking tasque v0.1.5
[INFO] [stderr]     Checking raftlog v0.6.0
[INFO] [stderr]     Checking cannyls v0.10.0
[INFO] [stderr]     Checking fibers_tasque v0.1.2
[INFO] [stderr]     Checking fibers_rpc v0.3.4
[INFO] [stderr]     Checking raftlog_protobuf v0.3.0
[INFO] [stderr]     Checking frugalos_raft v1.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::client::RpcClient`
[INFO] [stdout]   --> src/rpc/mod.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub use self::client::RpcClient;
[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: `self::server::RpcServer`
[INFO] [stdout]   --> src/rpc/mod.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub use self::server::RpcServer;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `LoadLogPrefix` and `SaveLogPrefix`
[INFO] [stdout]   --> src/storage/mod.rs:16:28
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub use self::log_prefix::{LoadLogPrefix, SaveLogPrefix};
[INFO] [stdout]    |                            ^^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `LoadLogSuffix` and `SaveLogSuffix`
[INFO] [stdout]   --> src/storage/mod.rs:17:28
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub use self::log_suffix::{LoadLogSuffix, SaveLogSuffix};
[INFO] [stdout]    |                            ^^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::client::RpcClient`
[INFO] [stdout]   --> src/rpc/mod.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub use self::client::RpcClient;
[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: `self::server::RpcServer`
[INFO] [stdout]   --> src/rpc/mod.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub use self::server::RpcServer;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `LoadLogPrefix` and `SaveLogPrefix`
[INFO] [stdout]   --> src/storage/mod.rs:16:28
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub use self::log_prefix::{LoadLogPrefix, SaveLogPrefix};
[INFO] [stdout]    |                            ^^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `LoadLogSuffix` and `SaveLogSuffix`
[INFO] [stdout]   --> src/storage/mod.rs:17:28
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub use self::log_suffix::{LoadLogSuffix, SaveLogSuffix};
[INFO] [stdout]    |                            ^^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::Atomic::<usize>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/storage/mod.rs:34:25
[INFO] [stdout]    |
[INFO] [stdout] 34 |     INITIALIZATION_LOCK.compare_and_swap(0, 1, atomic::Ordering::SeqCst) == 0
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::Atomic::<usize>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/storage/mod.rs:34:25
[INFO] [stdout]    |
[INFO] [stdout] 34 |     INITIALIZATION_LOCK.compare_and_swap(0, 1, atomic::Ordering::SeqCst) == 0
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `spawner` is never read
[INFO] [stdout]   --> src/rpc/mail.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Mailer {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 15 |     spawner: BoxSpawn,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Mailer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `spawner` is never read
[INFO] [stdout]   --> src/rpc/mail.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Mailer {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 15 |     spawner: BoxSpawn,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Mailer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.04s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v2.2.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "82c0f28d5fbb93a8182c6f0baa992bf22d4327f9dce285633d1de8b791d347a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82c0f28d5fbb93a8182c6f0baa992bf22d4327f9dce285633d1de8b791d347a5", kill_on_drop: false }`
[INFO] [stdout] 82c0f28d5fbb93a8182c6f0baa992bf22d4327f9dce285633d1de8b791d347a5
