[INFO] fetching crate rusty_vikings 0.2.0...
[INFO] testing rusty_vikings-0.2.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate rusty_vikings 0.2.0 into /workspace/builds/worker-0-tc2/source
[INFO] removed /workspace/builds/worker-0-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-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rusty_vikings 0.2.0 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] 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-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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9453f618e261af9fb0dbd4c4c791524a162583ef71de2acba7233b86baf26ba
[INFO] running `Command { std: "docker" "start" "-a" "f9453f618e261af9fb0dbd4c4c791524a162583ef71de2acba7233b86baf26ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9453f618e261af9fb0dbd4c4c791524a162583ef71de2acba7233b86baf26ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9453f618e261af9fb0dbd4c4c791524a162583ef71de2acba7233b86baf26ba", kill_on_drop: false }`
[INFO] [stdout] f9453f618e261af9fb0dbd4c4c791524a162583ef71de2acba7233b86baf26ba
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 266075af310068dc2d420ba81903a157406de711f06c18abec8bf59cad38865c
[INFO] running `Command { std: "docker" "start" "-a" "266075af310068dc2d420ba81903a157406de711f06c18abec8bf59cad38865c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.25
[INFO] [stderr]    Compiling owo-colors v4.2.2
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling convert_case v0.8.0
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling unicode-linebreak v0.1.5
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling is_ci v1.2.0
[INFO] [stderr]    Compiling unicode-width v0.2.1
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling supports-color v3.0.2
[INFO] [stderr]    Compiling textwrap v0.16.2
[INFO] [stderr]    Compiling supports-unicode v3.0.0
[INFO] [stderr]    Compiling terminal_size v0.4.2
[INFO] [stderr]    Compiling supports-hyperlinks v3.1.0
[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 miette-derive v7.6.0
[INFO] [stderr]    Compiling viking_macros_enum v0.2.0
[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 v1.0.219
[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] [stdout] warning: value assigned to `source_error` is never read
[INFO] [stdout]  --> src/error/into_diagnostic_with_location.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub source_error: Box<dyn std::error::Error + Send + Sync + 'static>,
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `caller_location` is never read
[INFO] [stdout]  --> src/error/into_diagnostic_with_location.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub caller_location: SourceSpan,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `msg` is never read
[INFO] [stdout]   --> src/error/into_diagnostic_with_location.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub msg: Option<String>,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `source_code` is never read
[INFO] [stdout]   --> src/error/into_diagnostic_with_location.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub source_code: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `help` is never read
[INFO] [stdout]   --> src/error/into_diagnostic_with_location.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub help: Option<String>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `related` is never read
[INFO] [stdout]   --> src/error/into_diagnostic_with_location.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub related: Option<Report>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `msg` is never read
[INFO] [stdout]  --> src/error/serde_json_error.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     msg: String,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cause` is never read
[INFO] [stdout]   --> src/error/serde_json_error.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     cause: serde_json::Error,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `label` is never read
[INFO] [stdout]   --> src/error/serde_json_error.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     label: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `input` is never read
[INFO] [stdout]   --> src/error/serde_json_error.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     input: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `location` is never read
[INFO] [stdout]   --> src/error/serde_json_error.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     location: SourceOffset,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `help` is never read
[INFO] [stdout]   --> src/error/serde_json_error.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     help: Option<String>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `caller_code` is never read
[INFO] [stdout]   --> src/error/serde_json_error.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     caller_code: Option<Report>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `code` is never read
[INFO] [stdout]   --> src/error/serde_json_error.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     code: Option<String>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.27s
[INFO] running `Command { std: "docker" "inspect" "266075af310068dc2d420ba81903a157406de711f06c18abec8bf59cad38865c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "266075af310068dc2d420ba81903a157406de711f06c18abec8bf59cad38865c", kill_on_drop: false }`
[INFO] [stdout] 266075af310068dc2d420ba81903a157406de711f06c18abec8bf59cad38865c
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 465dbd7005199be8eeacc2b834a3c26df4ae2a48b1280878bd5477b84ab6b99f
[INFO] running `Command { std: "docker" "start" "-a" "465dbd7005199be8eeacc2b834a3c26df4ae2a48b1280878bd5477b84ab6b99f", 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] [stdout] warning: value assigned to `source_error` is never read
[INFO] [stdout]  --> src/error/into_diagnostic_with_location.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub source_error: Box<dyn std::error::Error + Send + Sync + 'static>,
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `caller_location` is never read
[INFO] [stdout]  --> src/error/into_diagnostic_with_location.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub caller_location: SourceSpan,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `msg` is never read
[INFO] [stdout]   --> src/error/into_diagnostic_with_location.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub msg: Option<String>,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `source_code` is never read
[INFO] [stdout]   --> src/error/into_diagnostic_with_location.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub source_code: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `help` is never read
[INFO] [stdout]   --> src/error/into_diagnostic_with_location.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub help: Option<String>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `related` is never read
[INFO] [stdout]   --> src/error/into_diagnostic_with_location.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub related: Option<Report>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `msg` is never read
[INFO] [stdout]  --> src/error/serde_json_error.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     msg: String,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cause` is never read
[INFO] [stdout]   --> src/error/serde_json_error.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     cause: serde_json::Error,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `label` is never read
[INFO] [stdout]   --> src/error/serde_json_error.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     label: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `input` is never read
[INFO] [stdout]   --> src/error/serde_json_error.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     input: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `location` is never read
[INFO] [stdout]   --> src/error/serde_json_error.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     location: SourceOffset,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `help` is never read
[INFO] [stdout]   --> src/error/serde_json_error.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     help: Option<String>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `caller_code` is never read
[INFO] [stdout]   --> src/error/serde_json_error.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     caller_code: Option<Report>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `code` is never read
[INFO] [stdout]   --> src/error/serde_json_error.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     code: Option<String>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[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] [stdout] warning: value assigned to `source_error` is never read
[INFO] [stdout]  --> src/error/into_diagnostic_with_location.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub source_error: Box<dyn std::error::Error + Send + Sync + 'static>,
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `caller_location` is never read
[INFO] [stdout]  --> src/error/into_diagnostic_with_location.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub caller_location: SourceSpan,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `msg` is never read
[INFO] [stdout]   --> src/error/into_diagnostic_with_location.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub msg: Option<String>,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `source_code` is never read
[INFO] [stdout]   --> src/error/into_diagnostic_with_location.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub source_code: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `help` is never read
[INFO] [stdout]   --> src/error/into_diagnostic_with_location.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub help: Option<String>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `related` is never read
[INFO] [stdout]   --> src/error/into_diagnostic_with_location.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub related: Option<Report>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `msg` is never read
[INFO] [stdout]  --> src/error/serde_json_error.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     msg: String,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cause` is never read
[INFO] [stdout]   --> src/error/serde_json_error.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     cause: serde_json::Error,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `label` is never read
[INFO] [stdout]   --> src/error/serde_json_error.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     label: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `input` is never read
[INFO] [stdout]   --> src/error/serde_json_error.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     input: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `location` is never read
[INFO] [stdout]   --> src/error/serde_json_error.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     location: SourceOffset,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `help` is never read
[INFO] [stdout]   --> src/error/serde_json_error.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     help: Option<String>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `caller_code` is never read
[INFO] [stdout]   --> src/error/serde_json_error.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     caller_code: Option<Report>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `code` is never read
[INFO] [stdout]   --> src/error/serde_json_error.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     code: Option<String>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "465dbd7005199be8eeacc2b834a3c26df4ae2a48b1280878bd5477b84ab6b99f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "465dbd7005199be8eeacc2b834a3c26df4ae2a48b1280878bd5477b84ab6b99f", kill_on_drop: false }`
[INFO] [stdout] 465dbd7005199be8eeacc2b834a3c26df4ae2a48b1280878bd5477b84ab6b99f
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 77788abb0792f1adcac1798e71f076cefea5eb5218e4290623fcfc25f3b95359
[INFO] running `Command { std: "docker" "start" "-a" "77788abb0792f1adcac1798e71f076cefea5eb5218e4290623fcfc25f3b95359", 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: value assigned to `source_error` is never read
[INFO] [stderr]  --> src/error/into_diagnostic_with_location.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pub source_error: Box<dyn std::error::Error + Send + Sync + 'static>,
[INFO] [stderr]   |         ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr]   = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `caller_location` is never read
[INFO] [stderr]  --> src/error/into_diagnostic_with_location.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub caller_location: SourceSpan,
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `msg` is never read
[INFO] [stderr]   --> src/error/into_diagnostic_with_location.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub msg: Option<String>,
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `source_code` is never read
[INFO] [stderr]   --> src/error/into_diagnostic_with_location.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub source_code: Option<String>,
[INFO] [stderr]    |         ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `help` is never read
[INFO] [stderr]   --> src/error/into_diagnostic_with_location.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub help: Option<String>,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `related` is never read
[INFO] [stderr]   --> src/error/into_diagnostic_with_location.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub related: Option<Report>,
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `msg` is never read
[INFO] [stderr]  --> src/error/serde_json_error.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     msg: String,
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `cause` is never read
[INFO] [stderr]   --> src/error/serde_json_error.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     cause: serde_json::Error,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `label` is never read
[INFO] [stderr]   --> src/error/serde_json_error.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     label: String,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `input` is never read
[INFO] [stderr]   --> src/error/serde_json_error.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     input: String,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `location` is never read
[INFO] [stderr]   --> src/error/serde_json_error.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     location: SourceOffset,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `help` is never read
[INFO] [stderr]   --> src/error/serde_json_error.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     help: Option<String>,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `caller_code` is never read
[INFO] [stderr]   --> src/error/serde_json_error.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     caller_code: Option<Report>,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `code` is never read
[INFO] [stderr]   --> src/error/serde_json_error.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     code: Option<String>,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: `rusty_vikings` (lib) generated 15 warnings (run `cargo fix --lib -p rusty_vikings` to apply 1 suggestion)
[INFO] [stderr] warning: `rusty_vikings` (lib test) generated 15 warnings (15 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rusty_vikings-d68a52fa39f2f607)
[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" "77788abb0792f1adcac1798e71f076cefea5eb5218e4290623fcfc25f3b95359", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77788abb0792f1adcac1798e71f076cefea5eb5218e4290623fcfc25f3b95359", kill_on_drop: false }`
[INFO] [stdout] 77788abb0792f1adcac1798e71f076cefea5eb5218e4290623fcfc25f3b95359