[INFO] cloning repository https://github.com/Urenzu/rustkv
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Urenzu/rustkv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUrenzu%2Frustkv", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUrenzu%2Frustkv'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5ca042081d6004aa8543d0b45c6a8d0bb2f22662
[INFO] checking Urenzu/rustkv against 36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6 for pr-160581
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUrenzu%2Frustkv" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Urenzu/rustkv
[INFO] finished tweaking git repo https://github.com/Urenzu/rustkv
[INFO] tweaked toml for git repo https://github.com/Urenzu/rustkv written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Urenzu/rustkv on toolchain 36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Urenzu/rustkv 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" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking Urenzu/rustkv against 36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6 for pr-160581
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUrenzu%2Frustkv" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Urenzu/rustkv
[INFO] finished tweaking git repo https://github.com/Urenzu/rustkv
[INFO] tweaked toml for git repo https://github.com/Urenzu/rustkv written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Urenzu/rustkv on toolchain 36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Urenzu/rustkv 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" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hyper-util v0.1.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 4d26210ae9e39038d5e3348bd957b9fbde8742f59f787194d6a28b66c5438090
[INFO] running `Command { std: "docker" "start" "4d26210ae9e39038d5e3348bd957b9fbde8742f59f787194d6a28b66c5438090", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d26210ae9e39038d5e3348bd957b9fbde8742f59f787194d6a28b66c5438090", 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" "4d26210ae9e39038d5e3348bd957b9fbde8742f59f787194d6a28b66c5438090" "/opt/rustwide/cargo-home/bin/cargo" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d26210ae9e39038d5e3348bd957b9fbde8742f59f787194d6a28b66c5438090", 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" "4d26210ae9e39038d5e3348bd957b9fbde8742f59f787194d6a28b66c5438090" "/opt/rustwide/cargo-home/bin/cargo" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]     Checking cfg-if v1.0.1
[INFO] [stderr]     Checking http v1.3.1
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling rustversion v1.0.21
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking matchit v0.7.3
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]     Checking http-body-util v0.1.3
[INFO] [stderr]     Checking parking_lot_core v0.9.11
[INFO] [stderr]     Checking socket2 v0.5.10
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.5
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]     Checking tokio v1.46.1
[INFO] [stderr]     Checking axum-core v0.4.5
[INFO] [stderr]     Checking hyper v1.6.0
[INFO] [stderr]     Checking tower v0.5.2
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking serde_path_to_error v0.1.17
[INFO] [stderr]     Checking hyper-util v0.1.15
[INFO] [stderr]     Checking axum v0.7.9
[INFO] [stderr]     Checking rustkv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `StorageError`
[INFO] [stdout]  --> src/server/mod.rs:1:37
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::storage::{SharedStorage, StorageError};
[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: `StorageError`
[INFO] [stdout]  --> src/server/mod.rs:1:37
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::storage::{SharedStorage, StorageError};
[INFO] [stdout]   |                                     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/storage/mod.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |     IoError(String),
[INFO] [stdout]    |     ------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StorageError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 10 -     IoError(String),
[INFO] [stdout] 10 +     IoError(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `KeyNotFound` and `SerializationError` are never constructed
[INFO] [stdout]   --> src/storage/mod.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub enum StorageError {
[INFO] [stdout]    |          ------------ variants in this enum
[INFO] [stdout]  9 |     KeyNotFound(String),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 10 |     IoError(String),
[INFO] [stdout] 11 |     SerializationError(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StorageError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/storage/mod.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |     IoError(String),
[INFO] [stdout]    |     ------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StorageError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 10 -     IoError(String),
[INFO] [stdout] 10 +     IoError(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `KeyNotFound` and `SerializationError` are never constructed
[INFO] [stdout]   --> src/storage/mod.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub enum StorageError {
[INFO] [stdout]    |          ------------ variants in this enum
[INFO] [stdout]  9 |     KeyNotFound(String),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 10 |     IoError(String),
[INFO] [stdout] 11 |     SerializationError(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StorageError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.96s
[INFO] running `Command { std: "docker" "inspect" "4d26210ae9e39038d5e3348bd957b9fbde8742f59f787194d6a28b66c5438090", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d26210ae9e39038d5e3348bd957b9fbde8742f59f787194d6a28b66c5438090", kill_on_drop: false }`
[INFO] [stdout] 4d26210ae9e39038d5e3348bd957b9fbde8742f59f787194d6a28b66c5438090
