[INFO] fetching crate problem-spec 0.2.0...
[INFO] testing problem-spec-0.2.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate problem-spec 0.2.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate problem-spec 0.2.0
[INFO] finished tweaking crates.io crate problem-spec 0.2.0
[INFO] tweaked toml for crates.io crate problem-spec 0.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate problem-spec 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 problem-spec 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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 89905fa3bed02f084de9e647dfbfde26f6daff8fe37ef35cf72b54fd0a3a199e
[INFO] running `Command { std: "docker" "start" "-a" "89905fa3bed02f084de9e647dfbfde26f6daff8fe37ef35cf72b54fd0a3a199e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89905fa3bed02f084de9e647dfbfde26f6daff8fe37ef35cf72b54fd0a3a199e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89905fa3bed02f084de9e647dfbfde26f6daff8fe37ef35cf72b54fd0a3a199e", kill_on_drop: false }`
[INFO] [stdout] 89905fa3bed02f084de9e647dfbfde26f6daff8fe37ef35cf72b54fd0a3a199e
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b49504efbc2746c8cb9022e66cefcd101a1f204d7f490f4e8e637e13d9b7626
[INFO] running `Command { std: "docker" "start" "-a" "5b49504efbc2746c8cb9022e66cefcd101a1f204d7f490f4e8e637e13d9b7626", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]    Compiling serde_json v1.0.120
[INFO] [stderr]    Compiling syn v2.0.70
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]    Compiling serde_derive v1.0.204
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]    Compiling darling v0.20.10
[INFO] [stderr]    Compiling bon-macros v2.3.0
[INFO] [stderr]    Compiling bon v2.3.0
[INFO] [stderr]    Compiling problem-spec v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `insert` is never used
[INFO] [stdout]   --> src/problem_spec.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl ExtraKv {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 45 |     fn insert(mut self, k: &str, v: &str) -> Self {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Severity` is never used
[INFO] [stdout]  --> src/problem.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Severity {
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ProblemSpec` is never constructed
[INFO] [stdout]   --> src/problem.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct ProblemSpec<'a> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.42s
[INFO] running `Command { std: "docker" "inspect" "5b49504efbc2746c8cb9022e66cefcd101a1f204d7f490f4e8e637e13d9b7626", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b49504efbc2746c8cb9022e66cefcd101a1f204d7f490f4e8e637e13d9b7626", kill_on_drop: false }`
[INFO] [stdout] 5b49504efbc2746c8cb9022e66cefcd101a1f204d7f490f4e8e637e13d9b7626
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c746fe5c73bc60518df4feb9b49de2833792046ec061071cf248edec88e007f9
[INFO] running `Command { std: "docker" "start" "-a" "c746fe5c73bc60518df4feb9b49de2833792046ec061071cf248edec88e007f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling problem-spec v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `insert` is never used
[INFO] [stdout]   --> src/problem_spec.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl ExtraKv {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 45 |     fn insert(mut self, k: &str, v: &str) -> Self {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Severity` is never used
[INFO] [stdout]  --> src/problem.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Severity {
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ProblemSpec` is never constructed
[INFO] [stdout]   --> src/problem.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct ProblemSpec<'a> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]    --> src/problem_spec.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |     use std::collections::HashMap;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `insert` is never used
[INFO] [stdout]   --> src/problem_spec.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl ExtraKv {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 45 |     fn insert(mut self, k: &str, v: &str) -> Self {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Severity` is never used
[INFO] [stdout]  --> src/problem.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Severity {
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "c746fe5c73bc60518df4feb9b49de2833792046ec061071cf248edec88e007f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c746fe5c73bc60518df4feb9b49de2833792046ec061071cf248edec88e007f9", kill_on_drop: false }`
[INFO] [stdout] c746fe5c73bc60518df4feb9b49de2833792046ec061071cf248edec88e007f9
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 84776646e5fb0380fc0e97751e3360d378bcf08d0ce93ef6743a4e31a1c92712
[INFO] running `Command { std: "docker" "start" "-a" "84776646e5fb0380fc0e97751e3360d378bcf08d0ce93ef6743a4e31a1c92712", kill_on_drop: false }`
[INFO] [stderr] warning: method `insert` is never used
[INFO] [stderr]   --> src/problem_spec.rs:45:8
[INFO] [stderr]    |
[INFO] [stderr] 34 | impl ExtraKv {
[INFO] [stderr]    | ------------ method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 45 |     fn insert(mut self, k: &str, v: &str) -> Self {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Severity` is never used
[INFO] [stderr]  --> src/problem.rs:5:10
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub enum Severity {
[INFO] [stderr]   |          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ProblemSpec` is never constructed
[INFO] [stderr]   --> src/problem.rs:25:12
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub struct ProblemSpec<'a> {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]    --> src/problem_spec.rs:106:9
[INFO] [stderr]     |
[INFO] [stderr] 106 |     use std::collections::HashMap;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `problem-spec` (lib) generated 3 warnings
[INFO] [stderr] warning: `problem-spec` (lib test) generated 3 warnings (2 duplicates) (run `cargo fix --lib -p problem-spec --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/problem_spec-7d44c4d7b14edd36)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test problem::test::test_ok ... ok
[INFO] [stderr]    Doc-tests problem_spec
[INFO] [stdout] test problem_spec::test::test_ok ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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" "84776646e5fb0380fc0e97751e3360d378bcf08d0ce93ef6743a4e31a1c92712", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84776646e5fb0380fc0e97751e3360d378bcf08d0ce93ef6743a4e31a1c92712", kill_on_drop: false }`
[INFO] [stdout] 84776646e5fb0380fc0e97751e3360d378bcf08d0ce93ef6743a4e31a1c92712