[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/16781ab1692278cf95f4a54889eef2655035482a against try#e90f1ff63e694965281f833819a486da29772bdf for pr-146167
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRaldLukka%2FMapReduce-Rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[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-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/RaldLukka/MapReduce-Rust on toolchain e90f1ff63e694965281f833819a486da29772bdf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e90f1ff63e694965281f833819a486da29772bdf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+e90f1ff63e694965281f833819a486da29772bdf" "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 opentelemetry v0.26.0
[INFO] [stderr]   Downloaded tarpc-plugins v0.14.0
[INFO] [stderr]   Downloaded tokio-serde v0.9.0
[INFO] [stderr]   Downloaded opentelemetry-semantic-conventions v0.16.0
[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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+e90f1ff63e694965281f833819a486da29772bdf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a33efa22ace2cfd2c33889b86a8df0506d39ab2880e77888f5f08e770183b7df
[INFO] running `Command { std: "docker" "start" "-a" "a33efa22ace2cfd2c33889b86a8df0506d39ab2880e77888f5f08e770183b7df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a33efa22ace2cfd2c33889b86a8df0506d39ab2880e77888f5f08e770183b7df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a33efa22ace2cfd2c33889b86a8df0506d39ab2880e77888f5f08e770183b7df", kill_on_drop: false }`
[INFO] [stdout] a33efa22ace2cfd2c33889b86a8df0506d39ab2880e77888f5f08e770183b7df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+e90f1ff63e694965281f833819a486da29772bdf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1be6ee937e7667192f4f69ee25007e9deaf331caee49d8f2012a874ebdb7fa9
[INFO] running `Command { std: "docker" "start" "-a" "c1be6ee937e7667192f4f69ee25007e9deaf331caee49d8f2012a874ebdb7fa9", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]     Checking log v0.4.25
[INFO] [stderr]     Checking opentelemetry-semantic-conventions v0.16.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling enum-ordinalize-derive v4.3.1
[INFO] [stderr]    Compiling pin-project-internal v1.1.8
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling async-trait v0.1.85
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling tarpc-plugins v0.14.0
[INFO] [stderr]    Compiling clap_derive v4.5.24
[INFO] [stderr]    Compiling enum-ordinalize v4.3.0
[INFO] [stderr]     Checking tokio v1.43.0
[INFO] [stderr]    Compiling educe v0.5.11
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking pin-project v1.1.8
[INFO] [stderr]     Checking opentelemetry v0.26.0
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking clap v4.5.27
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking tokio-util v0.7.13
[INFO] [stderr]     Checking opentelemetry_sdk v0.26.0
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking tracing-opentelemetry v0.27.0
[INFO] [stderr]     Checking serde_json v1.0.137
[INFO] [stderr]     Checking bincode v1.3.3
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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 10.28s
[INFO] running `Command { std: "docker" "inspect" "c1be6ee937e7667192f4f69ee25007e9deaf331caee49d8f2012a874ebdb7fa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1be6ee937e7667192f4f69ee25007e9deaf331caee49d8f2012a874ebdb7fa9", kill_on_drop: false }`
[INFO] [stdout] c1be6ee937e7667192f4f69ee25007e9deaf331caee49d8f2012a874ebdb7fa9