[INFO] fetching crate soprintln 3.2.1...
[INFO] testing soprintln-3.2.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate soprintln 3.2.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate soprintln 3.2.1
[INFO] finished tweaking crates.io crate soprintln 3.2.1
[INFO] tweaked toml for crates.io crate soprintln 3.2.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate soprintln 3.2.1 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a121bb65adbeba09c12cd03df89e6e1c76f6bb758a80cabb602500df485b66b6
[INFO] running `Command { std: "docker" "start" "-a" "a121bb65adbeba09c12cd03df89e6e1c76f6bb758a80cabb602500df485b66b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a121bb65adbeba09c12cd03df89e6e1c76f6bb758a80cabb602500df485b66b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a121bb65adbeba09c12cd03df89e6e1c76f6bb758a80cabb602500df485b66b6", kill_on_drop: false }`
[INFO] [stdout] a121bb65adbeba09c12cd03df89e6e1c76f6bb758a80cabb602500df485b66b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc212bd5a1984532b08e2944eda73a47da40c13520dfbdad58601d7735b2fc81
[INFO] running `Command { std: "docker" "start" "-a" "cc212bd5a1984532b08e2944eda73a47da40c13520dfbdad58601d7735b2fc81", kill_on_drop: false }`
[INFO] [stderr]    Compiling soprintln v3.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "cc212bd5a1984532b08e2944eda73a47da40c13520dfbdad58601d7735b2fc81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc212bd5a1984532b08e2944eda73a47da40c13520dfbdad58601d7735b2fc81", kill_on_drop: false }`
[INFO] [stdout] cc212bd5a1984532b08e2944eda73a47da40c13520dfbdad58601d7735b2fc81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fbe2ab066cab084df5459a823d59253607c8ceaa84e88d497e0e300832e8e91
[INFO] running `Command { std: "docker" "start" "-a" "4fbe2ab066cab084df5459a823d59253607c8ceaa84e88d497e0e300832e8e91", kill_on_drop: false }`
[INFO] [stderr]    Compiling soprintln v3.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/lib.rs:220:17
[INFO] [stdout]     |
[INFO] [stdout] 220 |             let b = Beacon::new("test", 0x12345678 + i);
[INFO] [stdout]     |                 ^
[INFO] [stdout] 221 |             soprintln!("{b}");
[INFO] [stdout]     |                        ----- you might have meant to use string interpolation in this string literal
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: string interpolation only works in `format!` invocations
[INFO] [stdout]     |
[INFO] [stdout] 221 |             soprintln!(format!("{b}"));
[INFO] [stdout]     |                        ++++++++     +
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]     |
[INFO] [stdout] 220 |             let _b = Beacon::new("test", 0x12345678 + i);
[INFO] [stdout]     |                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "4fbe2ab066cab084df5459a823d59253607c8ceaa84e88d497e0e300832e8e91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fbe2ab066cab084df5459a823d59253607c8ceaa84e88d497e0e300832e8e91", kill_on_drop: false }`
[INFO] [stdout] 4fbe2ab066cab084df5459a823d59253607c8ceaa84e88d497e0e300832e8e91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9684898aa662a9e7653b09ba190e2a7c3906dc5b0b9563e1dd1c702c44e3f35c
[INFO] running `Command { std: "docker" "start" "-a" "9684898aa662a9e7653b09ba190e2a7c3906dc5b0b9563e1dd1c702c44e3f35c", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> src/lib.rs:220:17
[INFO] [stderr]     |
[INFO] [stderr] 220 |             let b = Beacon::new("test", 0x12345678 + i);
[INFO] [stderr]     |                 ^
[INFO] [stderr] 221 |             soprintln!("{b}");
[INFO] [stderr]     |                        ----- you might have meant to use string interpolation in this string literal
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: string interpolation only works in `format!` invocations
[INFO] [stderr]     |
[INFO] [stderr] 221 |             soprintln!(format!("{b}"));
[INFO] [stderr]     |                        ++++++++     +
[INFO] [stderr] help: if this is intentional, prefix it with an underscore
[INFO] [stderr]     |
[INFO] [stderr] 220 |             let _b = Beacon::new("test", 0x12345678 + i);
[INFO] [stderr]     |                 +
[INFO] [stderr] 
[INFO] [stderr] warning: `soprintln` (lib test) generated 1 warning (run `cargo fix --lib -p soprintln --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/soprintln-d31e6f7e81c7da31)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_soprintln ... ok
[INFO] [stderr]    Doc-tests soprintln
[INFO] [stdout] test tests::test_beacon ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.31s
[INFO] [stdout] 
[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" "9684898aa662a9e7653b09ba190e2a7c3906dc5b0b9563e1dd1c702c44e3f35c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9684898aa662a9e7653b09ba190e2a7c3906dc5b0b9563e1dd1c702c44e3f35c", kill_on_drop: false }`
[INFO] [stdout] 9684898aa662a9e7653b09ba190e2a7c3906dc5b0b9563e1dd1c702c44e3f35c