[INFO] cloning repository https://github.com/romAYAYA/rust-lectures [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/romAYAYA/rust-lectures" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FromAYAYA%2Frust-lectures", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FromAYAYA%2Frust-lectures'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c2752efa2f0c8aab581b9687fd44e94887dad08b [INFO] testing romAYAYA/rust-lectures 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%2FromAYAYA%2Frust-lectures" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/romAYAYA/rust-lectures [INFO] finished tweaking git repo https://github.com/romAYAYA/rust-lectures [INFO] tweaked toml for git repo https://github.com/romAYAYA/rust-lectures written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/romAYAYA/rust-lectures 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/romAYAYA/rust-lectures 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 560b4e794d7770446ef4684fb723add3f26262049b6eb4db6d9a69fa5c517e5f [INFO] running `Command { std: "docker" "start" "-a" "560b4e794d7770446ef4684fb723add3f26262049b6eb4db6d9a69fa5c517e5f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "560b4e794d7770446ef4684fb723add3f26262049b6eb4db6d9a69fa5c517e5f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "560b4e794d7770446ef4684fb723add3f26262049b6eb4db6d9a69fa5c517e5f", kill_on_drop: false }` [INFO] [stdout] 560b4e794d7770446ef4684fb723add3f26262049b6eb4db6d9a69fa5c517e5f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 83ebf37b6f966442117414510ecdb404cc5778b313389ef2f644960d9f8fb41a [INFO] running `Command { std: "docker" "start" "-a" "83ebf37b6f966442117414510ecdb404cc5778b313389ef2f644960d9f8fb41a", kill_on_drop: false }` [INFO] [stderr] Compiling ct_lectures v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/lecture1/mod.rs:126:16 [INFO] [stdout] | [INFO] [stdout] 126 | Number(i32), [INFO] [stdout] | ------ ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `MaybeNumber` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 126 - Number(i32), [INFO] [stdout] 126 + Number(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `inner` is never read [INFO] [stdout] --> src/lecture1/mod.rs:127:30 [INFO] [stdout] | [INFO] [stdout] 127 | CheckAnotherNumber { inner: i32 }, [INFO] [stdout] | ------------------ ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `MaybeNumber` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `None` is never constructed [INFO] [stdout] --> src/lecture1/mod.rs:128:9 [INFO] [stdout] | [INFO] [stdout] 125 | enum MaybeNumber { [INFO] [stdout] | ----------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 128 | None, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MaybeNumber` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.43s [INFO] running `Command { std: "docker" "inspect" "83ebf37b6f966442117414510ecdb404cc5778b313389ef2f644960d9f8fb41a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "83ebf37b6f966442117414510ecdb404cc5778b313389ef2f644960d9f8fb41a", kill_on_drop: false }` [INFO] [stdout] 83ebf37b6f966442117414510ecdb404cc5778b313389ef2f644960d9f8fb41a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 6ee4fc4eff400856e3ae43d6486d5288353c9f0d6857dd4487a241ac4156a2d7 [INFO] running `Command { std: "docker" "start" "-a" "6ee4fc4eff400856e3ae43d6486d5288353c9f0d6857dd4487a241ac4156a2d7", kill_on_drop: false }` [INFO] [stderr] Compiling ct_lectures v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/lecture1/mod.rs:126:16 [INFO] [stdout] | [INFO] [stdout] 126 | Number(i32), [INFO] [stdout] | ------ ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `MaybeNumber` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 126 - Number(i32), [INFO] [stdout] 126 + Number(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `inner` is never read [INFO] [stdout] --> src/lecture1/mod.rs:127:30 [INFO] [stdout] | [INFO] [stdout] 127 | CheckAnotherNumber { inner: i32 }, [INFO] [stdout] | ------------------ ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `MaybeNumber` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `None` is never constructed [INFO] [stdout] --> src/lecture1/mod.rs:128:9 [INFO] [stdout] | [INFO] [stdout] 125 | enum MaybeNumber { [INFO] [stdout] | ----------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 128 | None, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MaybeNumber` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s [INFO] running `Command { std: "docker" "inspect" "6ee4fc4eff400856e3ae43d6486d5288353c9f0d6857dd4487a241ac4156a2d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ee4fc4eff400856e3ae43d6486d5288353c9f0d6857dd4487a241ac4156a2d7", kill_on_drop: false }` [INFO] [stdout] 6ee4fc4eff400856e3ae43d6486d5288353c9f0d6857dd4487a241ac4156a2d7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 7ecef248497961bb8ba552e8f8b9eab0e85dd7b3870bdc50e903690c9ecc5192 [INFO] running `Command { std: "docker" "start" "-a" "7ecef248497961bb8ba552e8f8b9eab0e85dd7b3870bdc50e903690c9ecc5192", kill_on_drop: false }` [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/lecture1/mod.rs:126:16 [INFO] [stderr] | [INFO] [stderr] 126 | Number(i32), [INFO] [stderr] | ------ ^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `MaybeNumber` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 126 - Number(i32), [INFO] [stderr] 126 + Number(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: field `inner` is never read [INFO] [stderr] --> src/lecture1/mod.rs:127:30 [INFO] [stderr] | [INFO] [stderr] 127 | CheckAnotherNumber { inner: i32 }, [INFO] [stderr] | ------------------ ^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `MaybeNumber` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: variant `None` is never constructed [INFO] [stderr] --> src/lecture1/mod.rs:128:9 [INFO] [stderr] | [INFO] [stderr] 125 | enum MaybeNumber { [INFO] [stderr] | ----------- variant in this enum [INFO] [stderr] ... [INFO] [stderr] 128 | None, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `MaybeNumber` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: `ct_lectures` (bin "ct_lectures" test) generated 3 warnings [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ct_lectures-3eb78b9ea5d09c1c) [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" "7ecef248497961bb8ba552e8f8b9eab0e85dd7b3870bdc50e903690c9ecc5192", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7ecef248497961bb8ba552e8f8b9eab0e85dd7b3870bdc50e903690c9ecc5192", kill_on_drop: false }` [INFO] [stdout] 7ecef248497961bb8ba552e8f8b9eab0e85dd7b3870bdc50e903690c9ecc5192