[INFO] cloning repository https://github.com/madtrick/simplekv
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/madtrick/simplekv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmadtrick%2Fsimplekv", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmadtrick%2Fsimplekv'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 99ffc2a045170a3f0b6547d1aff5a03d208860b3
[INFO] checking madtrick/simplekv against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmadtrick%2Fsimplekv" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/madtrick/simplekv 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 git repo https://github.com/madtrick/simplekv
[INFO] finished tweaking git repo https://github.com/madtrick/simplekv
[INFO] tweaked toml for git repo https://github.com/madtrick/simplekv written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/madtrick/simplekv 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zookeeper_derive v0.4.1
[INFO] [stderr]   Downloaded rustyline-derive v0.6.0
[INFO] [stderr]   Downloaded easy-repl v0.2.1
[INFO] [stderr]   Downloaded snowflake v1.3.0
[INFO] [stderr]   Downloaded zookeeper v0.8.0
[INFO] [stderr]   Downloaded fd-lock v3.0.13
[INFO] [stderr]   Downloaded rustyline v9.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 826835200d4088a3939e5a02231a5bbec48fde1bf958ad5b4cb1466a5e411ccd
[INFO] running `Command { std: "docker" "start" "-a" "826835200d4088a3939e5a02231a5bbec48fde1bf958ad5b4cb1466a5e411ccd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "826835200d4088a3939e5a02231a5bbec48fde1bf958ad5b4cb1466a5e411ccd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "826835200d4088a3939e5a02231a5bbec48fde1bf958ad5b4cb1466a5e411ccd", kill_on_drop: false }`
[INFO] [stdout] 826835200d4088a3939e5a02231a5bbec48fde1bf958ad5b4cb1466a5e411ccd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e9f58166a273ae00466208dab7e1888e336e662098b80195c418881e825b8b28
[INFO] running `Command { std: "docker" "start" "-a" "e9f58166a273ae00466208dab7e1888e336e662098b80195c418881e825b8b28", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking cfg-if v1.0.0
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[INFO] [stderr]    Compiling rustyline-derive v0.6.0
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[INFO] [stderr]     Checking bincode v1.3.3
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[INFO] [stderr]    Compiling clap_derive v4.3.12
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]     Checking fid-rs v0.1.1
[INFO] [stderr]     Checking rustyline v9.1.2
[INFO] [stderr]     Checking louds-rs v0.4.0
[INFO] [stderr]     Checking trie-rs v0.1.1
[INFO] [stderr]     Checking easy-repl v0.2.1
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[INFO] [stderr]     Checking rustkv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Acl`, `CreateMode`
[INFO] [stdout]   --> src/bin/repl.rs:11:17
[INFO] [stdout]    |
[INFO] [stdout] 11 | use zookeeper::{Acl, CreateMode, WatchedEvent, Watcher, ZooKeeper};
[INFO] [stdout]    |                 ^^^  ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::vec`
[INFO] [stdout]   --> src/bin/kv.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::vec;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `event`
[INFO] [stdout]   --> src/bin/coordinator.rs:66:25
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let closure = move |event: WatchedEvent| send.send(()).unwrap();
[INFO] [stdout]    |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_event`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `event`
[INFO] [stdout]   --> src/bin/coordinator.rs:66:25
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let closure = move |event: WatchedEvent| send.send(()).unwrap();
[INFO] [stdout]    |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_event`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::vec`
[INFO] [stdout]   --> src/bin/kv.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::vec;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Acl`, `CreateMode`
[INFO] [stdout]   --> src/bin/repl.rs:11:17
[INFO] [stdout]    |
[INFO] [stdout] 11 | use zookeeper::{Acl, CreateMode, WatchedEvent, Watcher, ZooKeeper};
[INFO] [stdout]    |                 ^^^  ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/bin/kv.rs:362:17
[INFO] [stdout]     |
[INFO] [stdout] 335 |                 Connect { from } => {
[INFO] [stdout]     |                 ---------------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 362 |                 _ => panic!("Unexpected connect payload"),
[INFO] [stdout]     |                 ^ unreachable pattern
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/bin/kv.rs:362:17
[INFO] [stdout]     |
[INFO] [stdout] 335 |                 Connect { from } => {
[INFO] [stdout]     |                 ---------------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 362 |                 _ => panic!("Unexpected connect payload"),
[INFO] [stdout]     |                 ^ unreachable pattern
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 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 17.13s
[INFO] running `Command { std: "docker" "inspect" "e9f58166a273ae00466208dab7e1888e336e662098b80195c418881e825b8b28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9f58166a273ae00466208dab7e1888e336e662098b80195c418881e825b8b28", kill_on_drop: false }`
[INFO] [stdout] e9f58166a273ae00466208dab7e1888e336e662098b80195c418881e825b8b28