[INFO] cloning repository https://github.com/panupakm/mini-redis-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/panupakm/mini-redis-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpanupakm%2Fmini-redis-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpanupakm%2Fmini-redis-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b0ebc40894f5742a2f86e73b0e5822d24d8cee63
[INFO] checking panupakm/mini-redis-rust against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpanupakm%2Fmini-redis-rust" "/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/panupakm/mini-redis-rust on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/panupakm/mini-redis-rust
[INFO] finished tweaking git repo https://github.com/panupakm/mini-redis-rust
[INFO] tweaked toml for git repo https://github.com/panupakm/mini-redis-rust written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/panupakm/mini-redis-rust 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 274a1f4ac99c753454c7cfedcce7744a88ea7d86402557b7eca71633a680507e
[INFO] running `Command { std: "docker" "start" "-a" "274a1f4ac99c753454c7cfedcce7744a88ea7d86402557b7eca71633a680507e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "274a1f4ac99c753454c7cfedcce7744a88ea7d86402557b7eca71633a680507e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "274a1f4ac99c753454c7cfedcce7744a88ea7d86402557b7eca71633a680507e", kill_on_drop: false }`
[INFO] [stdout] 274a1f4ac99c753454c7cfedcce7744a88ea7d86402557b7eca71633a680507e
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21f5b2fb777a79b4ce9f2833637ff8e446ea65fd4d017674e025fe343ce69f01
[INFO] running `Command { std: "docker" "start" "-a" "21f5b2fb777a79b4ce9f2833637ff8e446ea65fd4d017674e025fe343ce69f01", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking aho-corasick v1.0.4
[INFO] [stderr]     Checking predicates-core v1.0.6
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking pretty_assertions v1.4.0
[INFO] [stderr]     Checking payload v0.1.0 (/opt/rustwide/workdir/app/payload)
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking predicates-tree v1.0.9
[INFO] [stderr]     Checking fragile v2.0.0
[INFO] [stderr]     Checking downcast v0.11.0
[INFO] [stderr]     Checking client v0.1.0 (/opt/rustwide/workdir/app/client)
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking regex-automata v0.3.6
[INFO] [stderr]     Checking regex v1.9.3
[INFO] [stderr]     Checking predicates v2.1.5
[INFO] [stderr]    Compiling mockall_derive v0.11.4
[INFO] [stderr]     Checking mockall v0.11.4
[INFO] [stderr]     Checking server v0.1.0 (/opt/rustwide/workdir/app/server)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> app/server/src/server/handler/set.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{self, Read, Result, Write};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> app/server/src/server/handler/set.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{self, Read, Result, Write};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::HandlerReadWrite`
[INFO] [stdout]  --> app/server/src/server/handler/set.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::HandlerReadWrite;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `read` and `write` are never used
[INFO] [stdout]   --> app/server/src/server/handler.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub trait HandlerReadWrite {
[INFO] [stdout]    |           ---------------- methods in this trait
[INFO] [stdout] 28 |     fn read(&mut self, buf: &mut [u8]) -> Result<usize>;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 29 |     fn write(&mut self, buf: &[u8]) -> Result<usize>;
[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] [stderr]     Checking integration_tests v0.1.0 (/opt/rustwide/workdir/app/integration_tests)
[INFO] [stdout] warning: unused import: `super::HandlerReadWrite`
[INFO] [stdout]  --> app/server/src/server/handler/set.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::HandlerReadWrite;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `read` and `write` are never used
[INFO] [stdout]   --> app/server/src/server/handler.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub trait HandlerReadWrite {
[INFO] [stdout]    |           ---------------- methods in this trait
[INFO] [stdout] 28 |     fn read(&mut self, buf: &mut [u8]) -> Result<usize>;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 29 |     fn write(&mut self, buf: &[u8]) -> Result<usize>;
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.39s
[INFO] running `Command { std: "docker" "inspect" "21f5b2fb777a79b4ce9f2833637ff8e446ea65fd4d017674e025fe343ce69f01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21f5b2fb777a79b4ce9f2833637ff8e446ea65fd4d017674e025fe343ce69f01", kill_on_drop: false }`
[INFO] [stdout] 21f5b2fb777a79b4ce9f2833637ff8e446ea65fd4d017674e025fe343ce69f01