[INFO] cloning repository https://github.com/RaldLukka/MapReduce-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RaldLukka/MapReduce-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRaldLukka%2FMapReduce-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRaldLukka%2FMapReduce-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 16781ab1692278cf95f4a54889eef2655035482a
[INFO] checking RaldLukka/MapReduce-Rust against master#40daf23eeb711dadf140b2536e67e3ff4c999196 for pr-142287
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRaldLukka%2FMapReduce-Rust" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RaldLukka/MapReduce-Rust on toolchain 40daf23eeb711dadf140b2536e67e3ff4c999196
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40daf23eeb711dadf140b2536e67e3ff4c999196" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RaldLukka/MapReduce-Rust
[INFO] finished tweaking git repo https://github.com/RaldLukka/MapReduce-Rust
[INFO] tweaked toml for git repo https://github.com/RaldLukka/MapReduce-Rust written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/RaldLukka/MapReduce-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" "+40daf23eeb711dadf140b2536e67e3ff4c999196" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded educe v0.5.11
[INFO] [stderr]   Downloaded tokio-serde v0.9.0
[INFO] [stderr]   Downloaded opentelemetry-semantic-conventions v0.16.0
[INFO] [stderr]   Downloaded opentelemetry v0.26.0
[INFO] [stderr]   Downloaded tarpc-plugins v0.14.0
[INFO] [stderr]   Downloaded tarpc v0.35.0
[INFO] [stderr]   Downloaded opentelemetry_sdk v0.26.0
[INFO] [stderr]   Downloaded tracing-opentelemetry v0.27.0
[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_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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+40daf23eeb711dadf140b2536e67e3ff4c999196" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec0cb280a93912f72e9d4ff1117cc6f0e8a496a41b899027bcabd97aa9022f49
[INFO] running `Command { std: "docker" "start" "-a" "ec0cb280a93912f72e9d4ff1117cc6f0e8a496a41b899027bcabd97aa9022f49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec0cb280a93912f72e9d4ff1117cc6f0e8a496a41b899027bcabd97aa9022f49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec0cb280a93912f72e9d4ff1117cc6f0e8a496a41b899027bcabd97aa9022f49", kill_on_drop: false }`
[INFO] [stdout] ec0cb280a93912f72e9d4ff1117cc6f0e8a496a41b899027bcabd97aa9022f49
[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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+40daf23eeb711dadf140b2536e67e3ff4c999196" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72173f003aacbdcfa4e6c1db546d04cd60ee7a4c810f72df3a76bce3840089ad
[INFO] running `Command { std: "docker" "start" "-a" "72173f003aacbdcfa4e6c1db546d04cd60ee7a4c810f72df3a76bce3840089ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking once_cell v1.20.2
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling serde_json v1.0.137
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking anstyle-parse v0.2.6
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking anstyle v1.0.10
[INFO] [stderr]     Checking log v0.4.25
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]     Checking itoa v1.0.14
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]     Checking colorchoice v1.0.3
[INFO] [stderr]     Checking bytes v1.9.0
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[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling enum-ordinalize-derive v4.3.1
[INFO] [stderr]    Compiling async-trait v0.1.85
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling enum-ordinalize v4.3.0
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[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]    Compiling educe v0.5.11
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking opentelemetry v0.26.0
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[INFO] [stderr]    Compiling clap_derive v4.5.24
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking clap v4.5.27
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[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking opentelemetry_sdk v0.26.0
[INFO] [stderr]     Checking futures v0.3.31
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[INFO] [stderr]     Checking tokio-serde v0.9.0
[INFO] [stderr]     Checking tarpc v0.35.0
[INFO] [stderr]     Checking mr v0.1.0 (/opt/rustwide/workdir/mr)
[INFO] [stderr]     Checking mr_app v0.1.0 (/opt/rustwide/workdir/mr_app)
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> mr/tests/test.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn map_function(key: String, value: String) -> Vec<(String, String)> {
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> mr/tests/test.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |     for i in 0..n_map {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> mr/tests/test.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |     for i in 0..n_reduce {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TaskType` is never used
[INFO] [stdout]  --> mr/tests/test.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum TaskType {
[INFO] [stdout]   |      ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Worker` is never constructed
[INFO] [stdout]   --> mr/tests/test.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Worker {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Coordinator` is never constructed
[INFO] [stdout]   --> mr/tests/test.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Coordinator {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 45.61s
[INFO] running `Command { std: "docker" "inspect" "72173f003aacbdcfa4e6c1db546d04cd60ee7a4c810f72df3a76bce3840089ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72173f003aacbdcfa4e6c1db546d04cd60ee7a4c810f72df3a76bce3840089ad", kill_on_drop: false }`
[INFO] [stdout] 72173f003aacbdcfa4e6c1db546d04cd60ee7a4c810f72df3a76bce3840089ad