[INFO] fetching crate mephisto-raft 0.2.0...
[INFO] checking mephisto-raft-0.2.0 against master#94b72d6bebbddb5d17860914c4544f37365e988c for pr-122789
[INFO] extracting crate mephisto-raft 0.2.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate mephisto-raft 0.2.0 on toolchain 94b72d6bebbddb5d17860914c4544f37365e988c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+94b72d6bebbddb5d17860914c4544f37365e988c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mephisto-raft 0.2.0
[INFO] finished tweaking crates.io crate mephisto-raft 0.2.0
[INFO] tweaked toml for crates.io crate mephisto-raft 0.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+94b72d6bebbddb5d17860914c4544f37365e988c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+94b72d6bebbddb5d17860914c4544f37365e988c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 54b24c972d1c53aa62ddd98b05ee0c45112099c6499a1c9ffcedbfa83f5ad32d
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[INFO] running `Command { std: "docker" "inspect" "54b24c972d1c53aa62ddd98b05ee0c45112099c6499a1c9ffcedbfa83f5ad32d", kill_on_drop: false }`
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[INFO] [stdout] 54b24c972d1c53aa62ddd98b05ee0c45112099c6499a1c9ffcedbfa83f5ad32d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+94b72d6bebbddb5d17860914c4544f37365e988c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e5fd365cd0c46f9434c87c7d1cafc508b45ebcfeb25044d7581a82170340b64
[INFO] running `Command { std: "docker" "start" "-a" "4e5fd365cd0c46f9434c87c7d1cafc508b45ebcfeb25044d7581a82170340b64", kill_on_drop: false }`
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[INFO] [stderr]    Compiling mephisto-raft v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ReadState`
[INFO] [stdout]   --> src/config.rs:15:44
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub use super::read_only::{ReadOnlyOption, ReadState};
[INFO] [stdout]    |                                            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]   --> src/raft.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | use rand::{self, Rng};
[INFO] [stdout]    |            ^^^^ the item `rand` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ReadState`
[INFO] [stdout]   --> src/config.rs:15:44
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub use super::read_only::{ReadOnlyOption, ReadState};
[INFO] [stdout]    |                                            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]   --> src/raft.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | use rand::{self, Rng};
[INFO] [stdout]    |            ^^^^ the item `rand` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AssertSend` is never used
[INFO] [stdout]    --> src/raft.rs:280:7
[INFO] [stdout]     |
[INFO] [stdout] 280 | trait AssertSend: Send {}
[INFO] [stdout]     |       ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `GetEntriesContext` is imported redundantly
[INFO] [stdout]   --> tests/integration_cases/test_raft.rs:24:15
[INFO] [stdout]    |
[INFO] [stdout] 24 |     storage::{GetEntriesContext, MemStorage},
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 25 |     *,
[INFO] [stdout]    |     - the item `GetEntriesContext` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `GetEntriesContext` is imported redundantly
[INFO] [stdout]   --> tests/integration_cases/test_raw_node.rs:18:15
[INFO] [stdout]    |
[INFO] [stdout] 18 |     storage::{GetEntriesContext, MemStorage},
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 19 |     *,
[INFO] [stdout]    |     - the item `GetEntriesContext` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AssertSend` is never used
[INFO] [stdout]    --> src/raft.rs:280:7
[INFO] [stdout]     |
[INFO] [stdout] 280 | trait AssertSend: Send {}
[INFO] [stdout]     |       ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `Command { std: "docker" "inspect" "4e5fd365cd0c46f9434c87c7d1cafc508b45ebcfeb25044d7581a82170340b64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e5fd365cd0c46f9434c87c7d1cafc508b45ebcfeb25044d7581a82170340b64", kill_on_drop: false }`
[INFO] [stdout] 4e5fd365cd0c46f9434c87c7d1cafc508b45ebcfeb25044d7581a82170340b64