[INFO] fetching crate simple-raft 0.2.0...
[INFO] checking simple-raft-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate simple-raft 0.2.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate simple-raft 0.2.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate simple-raft 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate simple-raft 0.2.0
[INFO] tweaked toml for crates.io crate simple-raft 0.2.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate simple-raft 0.2.0 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded derive_more v0.99.16
[INFO] [stderr]   Downloaded syn v1.0.77
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 97f6a48af7c6b5cf11a874d9bbbd3debd59577357bcc9e07d9a8086d502f1ba3
[INFO] running `Command { std: "docker" "start" "-a" "97f6a48af7c6b5cf11a874d9bbbd3debd59577357bcc9e07d9a8086d502f1ba3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97f6a48af7c6b5cf11a874d9bbbd3debd59577357bcc9e07d9a8086d502f1ba3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97f6a48af7c6b5cf11a874d9bbbd3debd59577357bcc9e07d9a8086d502f1ba3", kill_on_drop: false }`
[INFO] [stdout] 97f6a48af7c6b5cf11a874d9bbbd3debd59577357bcc9e07d9a8086d502f1ba3
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c213ac03b36f8c9bb3bde232d714b54a16133087d34790fef70180a08d13e1f
[INFO] running `Command { std: "docker" "start" "-a" "0c213ac03b36f8c9bb3bde232d714b54a16133087d34790fef70180a08d13e1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling syn v1.0.77
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling prost-derive v0.7.0
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]     Checking prost v0.7.0
[INFO] [stderr]     Checking simple-raft v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `format`, `vec`
[INFO] [stdout]   --> src/prelude.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub use alloc::{format, vec};
[INFO] [stdout]    |                 ^^^^^^  ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Box`
[INFO] [stdout]   --> src/prelude.rs:20:24
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub use alloc::boxed::{Box};
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `String`
[INFO] [stdout]   --> src/prelude.rs:21:25
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub use alloc::string::{String, ToString};
[INFO] [stdout]    |                         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]    --> src/message.rs:65:38
[INFO] [stdout]     |
[INFO] [stdout] 65  | #[cfg_attr(feature = "prost", derive(prost::Oneof))]
[INFO] [stdout]     |                                      ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:120:9
[INFO] [stdout]     |
[INFO] [stdout] 120 | #![warn(missing_docs)]
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `prost::Oneof` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for an associated function
[INFO] [stdout]   --> src/message.rs:65:38
[INFO] [stdout]    |
[INFO] [stdout] 65 | #[cfg_attr(feature = "prost", derive(prost::Oneof))]
[INFO] [stdout]    |                                      ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the derive macro `prost::Oneof` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `raft_log_tests` is imported redundantly
[INFO] [stdout]    --> src/log/mem.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 150 |       use crate::raft_log_tests;
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/log/tests.rs:24:1
[INFO] [stdout]     |
[INFO] [stdout] 24  | / macro_rules! raft_log_tests {
[INFO] [stdout] 25  | |     ($ty:ty, $new:expr) => {
[INFO] [stdout] 26  | |         $crate::raft_log_test! { $ty, $new, test_log_empty }
[INFO] [stdout] 27  | |         $crate::raft_log_test! { $ty, $new, test_log_append }
[INFO] [stdout] 28  | |         $crate::raft_log_test! { $ty, $new, test_log_cancel_from }
[INFO] [stdout] 29  | |     };
[INFO] [stdout] 30  | | }
[INFO] [stdout]     | |_- the item `raft_log_tests` is already defined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `format`, `vec`
[INFO] [stdout]   --> src/prelude.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub use alloc::{format, vec};
[INFO] [stdout]    |                 ^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ToOwned`
[INFO] [stdout]   --> src/prelude.rs:19:25
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub use alloc::borrow::{ToOwned};
[INFO] [stdout]    |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Box`
[INFO] [stdout]   --> src/prelude.rs:20:24
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub use alloc::boxed::{Box};
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `String`, `ToString`
[INFO] [stdout]   --> src/prelude.rs:21:25
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub use alloc::string::{String, ToString};
[INFO] [stdout]    |                         ^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.44s
[INFO] running `Command { std: "docker" "inspect" "0c213ac03b36f8c9bb3bde232d714b54a16133087d34790fef70180a08d13e1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c213ac03b36f8c9bb3bde232d714b54a16133087d34790fef70180a08d13e1f", kill_on_drop: false }`
[INFO] [stdout] 0c213ac03b36f8c9bb3bde232d714b54a16133087d34790fef70180a08d13e1f