[INFO] cloning repository https://github.com/mjm114514/6.824_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mjm114514/6.824_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmjm114514%2F6.824_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmjm114514%2F6.824_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b8c89033b5af60fa987654f58f4f4aadbf949364 [INFO] testing mjm114514/6.824_rust against beta-2025-09-21 for beta-1.91-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmjm114514%2F6.824_rust" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/mjm114514/6.824_rust [INFO] finished tweaking git repo https://github.com/mjm114514/6.824_rust [INFO] tweaked toml for git repo https://github.com/mjm114514/6.824_rust written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/mjm114514/6.824_rust on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/mjm114514/6.824_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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 155aaa405fba067c9754b863e0411e261b7cbe138c8fca28d36af5e83b472b7b [INFO] running `Command { std: "docker" "start" "-a" "155aaa405fba067c9754b863e0411e261b7cbe138c8fca28d36af5e83b472b7b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "155aaa405fba067c9754b863e0411e261b7cbe138c8fca28d36af5e83b472b7b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "155aaa405fba067c9754b863e0411e261b7cbe138c8fca28d36af5e83b472b7b", kill_on_drop: false }` [INFO] [stdout] 155aaa405fba067c9754b863e0411e261b7cbe138c8fca28d36af5e83b472b7b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bab01477067667e3ff9f8b323318a243c3c87b87bf0b0adf7bc362f648fc1922 [INFO] running `Command { std: "docker" "start" "-a" "bab01477067667e3ff9f8b323318a243c3c87b87bf0b0adf7bc362f648fc1922", kill_on_drop: false }` [INFO] [stderr] Compiling libloading v0.7.3 [INFO] [stderr] Compiling mr_utils v0.1.0 (/opt/rustwide/workdir/mr_utils) [INFO] [stderr] Compiling map_reduce_rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition name: `libloading_docs` [INFO] [stdout] --> src/mr_app.rs:5:7 [INFO] [stdout] | [INFO] [stdout] 5 | #[cfg(libloading_docs)] [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(libloading_docs)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(libloading_docs)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `libloading_docs` [INFO] [stdout] --> src/mr_app.rs:7:15 [INFO] [stdout] | [INFO] [stdout] 7 | #[cfg(all(not(libloading_docs), unix))] [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(libloading_docs)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(libloading_docs)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `libloading_docs` [INFO] [stdout] --> src/mr_app.rs:9:15 [INFO] [stdout] | [INFO] [stdout] 9 | #[cfg(all(not(libloading_docs), windows))] [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(libloading_docs)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(libloading_docs)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Library` and `Symbol` [INFO] [stdout] --> src/main.rs:6:18 [INFO] [stdout] | [INFO] [stdout] 6 | use libloading::{Library, Symbol}; [INFO] [stdout] | ^^^^^^^ ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.98s [INFO] running `Command { std: "docker" "inspect" "bab01477067667e3ff9f8b323318a243c3c87b87bf0b0adf7bc362f648fc1922", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bab01477067667e3ff9f8b323318a243c3c87b87bf0b0adf7bc362f648fc1922", kill_on_drop: false }` [INFO] [stdout] bab01477067667e3ff9f8b323318a243c3c87b87bf0b0adf7bc362f648fc1922 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 33555ee93f5d10f381983ccc83ee33b09958fc9671e196a4e73862527f9dcda6 [INFO] running `Command { std: "docker" "start" "-a" "33555ee93f5d10f381983ccc83ee33b09958fc9671e196a4e73862527f9dcda6", kill_on_drop: false }` [INFO] [stderr] Compiling map_reduce_rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition name: `libloading_docs` [INFO] [stdout] --> src/mr_app.rs:5:7 [INFO] [stdout] | [INFO] [stdout] 5 | #[cfg(libloading_docs)] [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(libloading_docs)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(libloading_docs)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `libloading_docs` [INFO] [stdout] --> src/mr_app.rs:7:15 [INFO] [stdout] | [INFO] [stdout] 7 | #[cfg(all(not(libloading_docs), unix))] [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(libloading_docs)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(libloading_docs)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `libloading_docs` [INFO] [stdout] --> src/mr_app.rs:9:15 [INFO] [stdout] | [INFO] [stdout] 9 | #[cfg(all(not(libloading_docs), windows))] [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(libloading_docs)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(libloading_docs)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Library` and `Symbol` [INFO] [stdout] --> src/main.rs:6:18 [INFO] [stdout] | [INFO] [stdout] 6 | use libloading::{Library, Symbol}; [INFO] [stdout] | ^^^^^^^ ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s [INFO] running `Command { std: "docker" "inspect" "33555ee93f5d10f381983ccc83ee33b09958fc9671e196a4e73862527f9dcda6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "33555ee93f5d10f381983ccc83ee33b09958fc9671e196a4e73862527f9dcda6", kill_on_drop: false }` [INFO] [stdout] 33555ee93f5d10f381983ccc83ee33b09958fc9671e196a4e73862527f9dcda6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 4d636ba1723badb1d395d5d0038c223dfc6a23bfc87bb689eebf703b22c3dc64 [INFO] running `Command { std: "docker" "start" "-a" "4d636ba1723badb1d395d5d0038c223dfc6a23bfc87bb689eebf703b22c3dc64", kill_on_drop: false }` [INFO] [stderr] warning: unexpected `cfg` condition name: `libloading_docs` [INFO] [stderr] --> src/mr_app.rs:5:7 [INFO] [stderr] | [INFO] [stderr] 5 | #[cfg(libloading_docs)] [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [INFO] [stderr] = help: consider using a Cargo feature instead [INFO] [stderr] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stderr] [lints.rust] [INFO] [stderr] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(libloading_docs)'] } [INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(libloading_docs)");` to the top of the `build.rs` [INFO] [stderr] = note: see for more information about checking conditional configuration [INFO] [stderr] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unexpected `cfg` condition name: `libloading_docs` [INFO] [stderr] --> src/mr_app.rs:7:15 [INFO] [stderr] | [INFO] [stderr] 7 | #[cfg(all(not(libloading_docs), unix))] [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: consider using a Cargo feature instead [INFO] [stderr] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stderr] [lints.rust] [INFO] [stderr] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(libloading_docs)'] } [INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(libloading_docs)");` to the top of the `build.rs` [INFO] [stderr] = note: see for more information about checking conditional configuration [INFO] [stderr] [INFO] [stderr] warning: unexpected `cfg` condition name: `libloading_docs` [INFO] [stderr] --> src/mr_app.rs:9:15 [INFO] [stderr] | [INFO] [stderr] 9 | #[cfg(all(not(libloading_docs), windows))] [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: consider using a Cargo feature instead [INFO] [stderr] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stderr] [lints.rust] [INFO] [stderr] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(libloading_docs)'] } [INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(libloading_docs)");` to the top of the `build.rs` [INFO] [stderr] = note: see for more information about checking conditional configuration [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Library` and `Symbol` [INFO] [stderr] --> src/main.rs:6:18 [INFO] [stderr] | [INFO] [stderr] 6 | use libloading::{Library, Symbol}; [INFO] [stderr] | ^^^^^^^ ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `map_reduce_rs` (bin "map_reduce_rs" test) generated 4 warnings (run `cargo fix --bin "map_reduce_rs" --tests` to apply 1 suggestion) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/map_reduce_rs-a6985bda540e5efd) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "4d636ba1723badb1d395d5d0038c223dfc6a23bfc87bb689eebf703b22c3dc64", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d636ba1723badb1d395d5d0038c223dfc6a23bfc87bb689eebf703b22c3dc64", kill_on_drop: false }` [INFO] [stdout] 4d636ba1723badb1d395d5d0038c223dfc6a23bfc87bb689eebf703b22c3dc64