[INFO] cloning repository https://github.com/joefarebrother/Fools2021 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joefarebrother/Fools2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoefarebrother%2FFools2021", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoefarebrother%2FFools2021'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c9c60d7f4f26179fde8a6c8ff989605b02eef94e [INFO] testing joefarebrother/Fools2021 against beta-2025-02-18 for beta-1.86-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoefarebrother%2FFools2021" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/joefarebrother/Fools2021 on toolchain beta-2025-02-18 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-02-18" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/joefarebrother/Fools2021 [INFO] finished tweaking git repo https://github.com/joefarebrother/Fools2021 [INFO] tweaked toml for git repo https://github.com/joefarebrother/Fools2021 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/joefarebrother/Fools2021 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-2025-02-18" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: build [INFO] [stderr] warning: unused manifest key: run [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 73640ff34371579ad4f9527a99bcba6109dec818e74a8051a230064216f20eee [INFO] running `Command { std: "docker" "start" "-a" "73640ff34371579ad4f9527a99bcba6109dec818e74a8051a230064216f20eee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "73640ff34371579ad4f9527a99bcba6109dec818e74a8051a230064216f20eee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "73640ff34371579ad4f9527a99bcba6109dec818e74a8051a230064216f20eee", kill_on_drop: false }` [INFO] [stdout] 73640ff34371579ad4f9527a99bcba6109dec818e74a8051a230064216f20eee [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-18" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 727230237cc69f1d52e2d739cad4d75dc82ebeadf379c2b243b05ece0c699d54 [INFO] running `Command { std: "docker" "start" "-a" "727230237cc69f1d52e2d739cad4d75dc82ebeadf379c2b243b05ece0c699d54", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: build [INFO] [stderr] warning: unused manifest key: run [INFO] [stderr] Compiling Fools2021 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:406:13 [INFO] [stdout] | [INFO] [stdout] 406 | writeln!(w, "{:x}", seed); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s [INFO] running `Command { std: "docker" "inspect" "727230237cc69f1d52e2d739cad4d75dc82ebeadf379c2b243b05ece0c699d54", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "727230237cc69f1d52e2d739cad4d75dc82ebeadf379c2b243b05ece0c699d54", kill_on_drop: false }` [INFO] [stdout] 727230237cc69f1d52e2d739cad4d75dc82ebeadf379c2b243b05ece0c699d54 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-18" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7ceb3735a0cf26d4cf5bb57f52c7d0bfb4bc91f5570fa9efb7d4260a21835f07 [INFO] running `Command { std: "docker" "start" "-a" "7ceb3735a0cf26d4cf5bb57f52c7d0bfb4bc91f5570fa9efb7d4260a21835f07", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: build [INFO] [stderr] warning: unused manifest key: run [INFO] [stderr] Compiling Fools2021 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:406:13 [INFO] [stdout] | [INFO] [stdout] 406 | writeln!(w, "{:x}", seed); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s [INFO] running `Command { std: "docker" "inspect" "7ceb3735a0cf26d4cf5bb57f52c7d0bfb4bc91f5570fa9efb7d4260a21835f07", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7ceb3735a0cf26d4cf5bb57f52c7d0bfb4bc91f5570fa9efb7d4260a21835f07", kill_on_drop: false }` [INFO] [stdout] 7ceb3735a0cf26d4cf5bb57f52c7d0bfb4bc91f5570fa9efb7d4260a21835f07 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-18" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 628678f27370a7787922b7501a7b92f5113ebaa75c7a6d601096a3a3673fa738 [INFO] running `Command { std: "docker" "start" "-a" "628678f27370a7787922b7501a7b92f5113ebaa75c7a6d601096a3a3673fa738", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: build [INFO] [stderr] warning: unused manifest key: run [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:406:13 [INFO] [stderr] | [INFO] [stderr] 406 | writeln!(w, "{:x}", seed); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `Fools2021` (bin "Fools2021" test) generated 1 warning [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/Fools2021-019a7521ba943bb9) [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" "628678f27370a7787922b7501a7b92f5113ebaa75c7a6d601096a3a3673fa738", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "628678f27370a7787922b7501a7b92f5113ebaa75c7a6d601096a3a3673fa738", kill_on_drop: false }` [INFO] [stdout] 628678f27370a7787922b7501a7b92f5113ebaa75c7a6d601096a3a3673fa738