[INFO] fetching crate rusty_vikings 0.2.0...
[INFO] testing rusty_vikings-0.2.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rusty_vikings 0.2.0 into /workspace/builds/worker-7-tc2/source
[INFO] removed /workspace/builds/worker-7-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate rusty_vikings 0.2.0
[INFO] finished tweaking crates.io crate rusty_vikings 0.2.0
[INFO] tweaked toml for crates.io crate rusty_vikings 0.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rusty_vikings 0.2.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rusty_vikings 0.2.0 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11fc1360ea925796d9e101001d59fa26e1f1531344082b3054947149270fd5c2
[INFO] running `Command { std: "docker" "start" "-a" "11fc1360ea925796d9e101001d59fa26e1f1531344082b3054947149270fd5c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11fc1360ea925796d9e101001d59fa26e1f1531344082b3054947149270fd5c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11fc1360ea925796d9e101001d59fa26e1f1531344082b3054947149270fd5c2", kill_on_drop: false }`
[INFO] [stdout] 11fc1360ea925796d9e101001d59fa26e1f1531344082b3054947149270fd5c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 132ea6a78dd938558e0d9b7fdd2b628094e69e35f04167322de99747c75a42ad
[INFO] running `Command { std: "docker" "start" "-a" "132ea6a78dd938558e0d9b7fdd2b628094e69e35f04167322de99747c75a42ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling rustc-demangle v0.1.25
[INFO] [stderr]    Compiling owo-colors v4.2.2
[INFO] [stderr]    Compiling linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling unicode-linebreak v0.1.5
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling convert_case v0.8.0
[INFO] [stderr]    Compiling unicode-width v0.2.1
[INFO] [stderr]    Compiling is_ci v1.2.0
[INFO] [stderr]    Compiling supports-unicode v3.0.0
[INFO] [stderr]    Compiling supports-color v3.0.2
[INFO] [stderr]    Compiling supports-hyperlinks v3.1.0
[INFO] [stderr]    Compiling textwrap v0.16.2
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling terminal_size v0.4.2
[INFO] [stderr]    Compiling addr2line v0.24.2
[INFO] [stderr]    Compiling backtrace v0.3.75
[INFO] [stderr]    Compiling backtrace-ext v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling viking_macros_enum v0.2.0
[INFO] [stderr]    Compiling miette-derive v7.6.0
[INFO] [stderr]    Compiling viking_macros v0.2.0
[INFO] [stderr]    Compiling miette v7.6.0
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling rusty_vikings v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `diagnostic`
[INFO] [stdout]  --> src/error/serde_json_error.rs:2:36
[INFO] [stdout]   |
[INFO] [stdout] 2 | use miette::{Report, SourceOffset, diagnostic, miette};
[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 20.46s
[INFO] running `Command { std: "docker" "inspect" "132ea6a78dd938558e0d9b7fdd2b628094e69e35f04167322de99747c75a42ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "132ea6a78dd938558e0d9b7fdd2b628094e69e35f04167322de99747c75a42ad", kill_on_drop: false }`
[INFO] [stdout] 132ea6a78dd938558e0d9b7fdd2b628094e69e35f04167322de99747c75a42ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5406e513b65880bcd06b7f71ab93cbf161a2fb90966e338cdb3e7b7990f4c50
[INFO] running `Command { std: "docker" "start" "-a" "b5406e513b65880bcd06b7f71ab93cbf161a2fb90966e338cdb3e7b7990f4c50", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `diagnostic`
[INFO] [stdout]  --> src/error/serde_json_error.rs:2:36
[INFO] [stdout]   |
[INFO] [stdout] 2 | use miette::{Report, SourceOffset, diagnostic, miette};
[INFO] [stdout]   |                                    ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rusty_vikings v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `diagnostic`
[INFO] [stdout]  --> src/error/serde_json_error.rs:2:36
[INFO] [stdout]   |
[INFO] [stdout] 2 | use miette::{Report, SourceOffset, diagnostic, miette};
[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 0.30s
[INFO] running `Command { std: "docker" "inspect" "b5406e513b65880bcd06b7f71ab93cbf161a2fb90966e338cdb3e7b7990f4c50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5406e513b65880bcd06b7f71ab93cbf161a2fb90966e338cdb3e7b7990f4c50", kill_on_drop: false }`
[INFO] [stdout] b5406e513b65880bcd06b7f71ab93cbf161a2fb90966e338cdb3e7b7990f4c50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b0136fe94984635ea3451c37c7413062f02558fdc663d95d742064d9a0562539
[INFO] running `Command { std: "docker" "start" "-a" "b0136fe94984635ea3451c37c7413062f02558fdc663d95d742064d9a0562539", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `diagnostic`
[INFO] [stderr]  --> src/error/serde_json_error.rs:2:36
[INFO] [stderr]   |
[INFO] [stderr] 2 | use miette::{Report, SourceOffset, diagnostic, miette};
[INFO] [stderr]   |                                    ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rusty_vikings` (lib) generated 1 warning (run `cargo fix --lib -p rusty_vikings` to apply 1 suggestion)
[INFO] [stderr] warning: `rusty_vikings` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rusty_vikings-4437afc4837dc49a)
[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] [stderr]    Doc-tests rusty_vikings
[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" "b0136fe94984635ea3451c37c7413062f02558fdc663d95d742064d9a0562539", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0136fe94984635ea3451c37c7413062f02558fdc663d95d742064d9a0562539", kill_on_drop: false }`
[INFO] [stdout] b0136fe94984635ea3451c37c7413062f02558fdc663d95d742064d9a0562539
