[INFO] cloning repository https://github.com/moyu-java/tiny-kv
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/moyu-java/tiny-kv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoyu-java%2Ftiny-kv", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoyu-java%2Ftiny-kv'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 284cf0a1984af896c9d2c6656238208f1925a9bf
[INFO] checking moyu-java/tiny-kv against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoyu-java%2Ftiny-kv" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/moyu-java/tiny-kv 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/moyu-java/tiny-kv
[INFO] finished tweaking git repo https://github.com/moyu-java/tiny-kv
[INFO] tweaked toml for git repo https://github.com/moyu-java/tiny-kv written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/moyu-java/tiny-kv 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 clipboard-win v5.0.0
[INFO] [stderr]   Downloaded fd-lock v4.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] cd32f19e4233774eadf7df767ef6af665ed7cdd3b4acf6aa9762c37365243f77
[INFO] running `Command { std: "docker" "start" "-a" "cd32f19e4233774eadf7df767ef6af665ed7cdd3b4acf6aa9762c37365243f77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd32f19e4233774eadf7df767ef6af665ed7cdd3b4acf6aa9762c37365243f77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd32f19e4233774eadf7df767ef6af665ed7cdd3b4acf6aa9762c37365243f77", kill_on_drop: false }`
[INFO] [stdout] cd32f19e4233774eadf7df767ef6af665ed7cdd3b4acf6aa9762c37365243f77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 44831fe5f1216ab782f168ad0f77514ac74746a87fad2435ef1388745e49386c
[INFO] running `Command { std: "docker" "start" "-a" "44831fe5f1216ab782f168ad0f77514ac74746a87fad2435ef1388745e49386c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling proc-macro2 v1.0.71
[INFO] [stderr]    Compiling crossbeam-utils v0.8.18
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]    Compiling rustix v0.38.28
[INFO] [stderr]     Checking linux-raw-sys v0.4.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking anstream v0.6.5
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking object v0.32.1
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking clap_builder v4.4.11
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]     Checking home v0.5.9
[INFO] [stderr]     Checking ciborium-io v0.2.1
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking ciborium-ll v0.2.1
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking crossbeam-epoch v0.9.17
[INFO] [stderr]    Compiling syn v2.0.42
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking crossbeam-deque v0.8.4
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking parking_lot_core v0.8.6
[INFO] [stderr]     Checking nix v0.27.1
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking sled v0.34.7
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking fd-lock v4.0.1
[INFO] [stderr]     Checking is-terminal v0.4.10
[INFO] [stderr]     Checking tempfile v3.9.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking rustyline v13.0.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking tokio v1.35.1
[INFO] [stderr]     Checking clap v4.4.11
[INFO] [stderr]     Checking serde v1.0.193
[INFO] [stderr]     Checking tiny-kv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_json v1.0.108
[INFO] [stderr]     Checking ciborium v0.2.1
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stdout] warning: unused import: `Instant`
[INFO] [stdout]  --> tests/engine_test.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::time::{Instant};
[INFO] [stdout]   |                 ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `sled` is imported redundantly
[INFO] [stdout]  --> benches/engine_bench.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use sled;
[INFO] [stdout]   |     ^^^^ the item `sled` is already defined by prelude
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.15s
[INFO] running `Command { std: "docker" "inspect" "44831fe5f1216ab782f168ad0f77514ac74746a87fad2435ef1388745e49386c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44831fe5f1216ab782f168ad0f77514ac74746a87fad2435ef1388745e49386c", kill_on_drop: false }`
[INFO] [stdout] 44831fe5f1216ab782f168ad0f77514ac74746a87fad2435ef1388745e49386c