[INFO] fetching crate student_datahub 0.1.1...
[INFO] testing student_datahub-0.1.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate student_datahub 0.1.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate student_datahub 0.1.1
[INFO] finished tweaking crates.io crate student_datahub 0.1.1
[INFO] tweaked toml for crates.io crate student_datahub 0.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate student_datahub 0.1.1 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 student_datahub 0.1.1 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 172c8cd6844709bee51f6819337b0ced4f9ec4e665ceac76bd06b93860f842d6
[INFO] running `Command { std: "docker" "start" "-a" "172c8cd6844709bee51f6819337b0ced4f9ec4e665ceac76bd06b93860f842d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "172c8cd6844709bee51f6819337b0ced4f9ec4e665ceac76bd06b93860f842d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "172c8cd6844709bee51f6819337b0ced4f9ec4e665ceac76bd06b93860f842d6", kill_on_drop: false }`
[INFO] [stdout] 172c8cd6844709bee51f6819337b0ced4f9ec4e665ceac76bd06b93860f842d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 271b694658eafa584145c68410cf1b1d13e2a98b3ef2b0a46fd0001c6eb6b19d
[INFO] running `Command { std: "docker" "start" "-a" "271b694658eafa584145c68410cf1b1d13e2a98b3ef2b0a46fd0001c6eb6b19d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.15
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling winnow v0.7.3
[INFO] [stderr]    Compiling pkg-config v0.3.31
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.61
[INFO] [stderr]    Compiling rustix v1.0.2
[INFO] [stderr]    Compiling chrono v0.4.39
[INFO] [stderr]    Compiling bitflags v2.9.0
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling linux-raw-sys v0.9.2
[INFO] [stderr]    Compiling indexmap v2.7.1
[INFO] [stderr]    Compiling libsqlite3-sys v0.30.1
[INFO] [stderr]    Compiling itoa v1.0.14
[INFO] [stderr]    Compiling ryu v1.0.19
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling dotenv v0.15.0
[INFO] [stderr]    Compiling csv-core v0.1.12
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling terminal_size v0.4.2
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]    Compiling diesel_table_macro_syntax v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]    Compiling darling v0.20.10
[INFO] [stderr]    Compiling dsl_auto_type v0.1.2
[INFO] [stderr]    Compiling diesel_derives v2.2.3
[INFO] [stderr]    Compiling diesel v2.2.11
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling serde_spanned v0.6.8
[INFO] [stderr]    Compiling csv v1.3.1
[INFO] [stderr]    Compiling toml_edit v0.22.24
[INFO] [stderr]    Compiling toml v0.8.20
[INFO] [stderr]    Compiling migrations_internals v2.2.0
[INFO] [stderr]    Compiling migrations_macros v2.2.0
[INFO] [stderr]    Compiling diesel_migrations v2.2.0
[INFO] [stderr]    Compiling student_datahub v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `sum` is ambiguous
[INFO] [stdout]    --> src/models/subject.rs:5:18
[INFO] [stdout]     |
[INFO] [stdout]   5 | use diesel::dsl::sum;
[INFO] [stdout]     |                  ^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of multiple glob imports of a name in the same module
[INFO] [stdout] note: `sum` could refer to the type alias defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/diesel-2.2.11/src/lib.rs:318:13
[INFO] [stdout]     |
[INFO] [stdout] 318 |     pub use crate::helper_types::*;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: consider updating this dependency to resolve this error
[INFO] [stdout]     = help: if updating the dependency does not resolve the problem report the problem to the author of the relevant crate
[INFO] [stdout] note: `sum` could also refer to the type alias defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/diesel-2.2.11/src/lib.rs:321:13
[INFO] [stdout]     |
[INFO] [stdout] 321 |     pub use crate::expression::dsl::*;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #114095 <https://github.com/rust-lang/rust/issues/114095>
[INFO] [stdout]     = note: `#[warn(ambiguous_glob_imports)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 55.18s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: student_datahub v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "271b694658eafa584145c68410cf1b1d13e2a98b3ef2b0a46fd0001c6eb6b19d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "271b694658eafa584145c68410cf1b1d13e2a98b3ef2b0a46fd0001c6eb6b19d", kill_on_drop: false }`
[INFO] [stdout] 271b694658eafa584145c68410cf1b1d13e2a98b3ef2b0a46fd0001c6eb6b19d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f8cc7820516fc9d0d753cb29bfbd2d54f506dead9d58356ee28f089a2652c83e
[INFO] running `Command { std: "docker" "start" "-a" "f8cc7820516fc9d0d753cb29bfbd2d54f506dead9d58356ee28f089a2652c83e", kill_on_drop: false }`
[INFO] [stderr]    Compiling student_datahub v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `sum` is ambiguous
[INFO] [stdout]    --> src/models/subject.rs:5:18
[INFO] [stdout]     |
[INFO] [stdout]   5 | use diesel::dsl::sum;
[INFO] [stdout]     |                  ^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of multiple glob imports of a name in the same module
[INFO] [stdout] note: `sum` could refer to the type alias defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/diesel-2.2.11/src/lib.rs:318:13
[INFO] [stdout]     |
[INFO] [stdout] 318 |     pub use crate::helper_types::*;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: consider updating this dependency to resolve this error
[INFO] [stdout]     = help: if updating the dependency does not resolve the problem report the problem to the author of the relevant crate
[INFO] [stdout] note: `sum` could also refer to the type alias defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/diesel-2.2.11/src/lib.rs:321:13
[INFO] [stdout]     |
[INFO] [stdout] 321 |     pub use crate::expression::dsl::*;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #114095 <https://github.com/rust-lang/rust/issues/114095>
[INFO] [stdout]     = note: `#[warn(ambiguous_glob_imports)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.83s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: student_datahub v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "f8cc7820516fc9d0d753cb29bfbd2d54f506dead9d58356ee28f089a2652c83e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8cc7820516fc9d0d753cb29bfbd2d54f506dead9d58356ee28f089a2652c83e", kill_on_drop: false }`
[INFO] [stdout] f8cc7820516fc9d0d753cb29bfbd2d54f506dead9d58356ee28f089a2652c83e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 6c14d69dca5f20873a1c78d2145c94a2ebf1d14f1f1bdc87a032d5324b02d90d
[INFO] running `Command { std: "docker" "start" "-a" "6c14d69dca5f20873a1c78d2145c94a2ebf1d14f1f1bdc87a032d5324b02d90d", kill_on_drop: false }`
[INFO] [stderr] warning: `sum` is ambiguous
[INFO] [stderr]    --> src/models/subject.rs:5:18
[INFO] [stderr]     |
[INFO] [stderr]   5 | use diesel::dsl::sum;
[INFO] [stderr]     |                  ^^^ ambiguous name
[INFO] [stderr]     |
[INFO] [stderr]     = note: ambiguous because of multiple glob imports of a name in the same module
[INFO] [stderr] note: `sum` could refer to the type alias defined here
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/diesel-2.2.11/src/lib.rs:318:13
[INFO] [stderr]     |
[INFO] [stderr] 318 |     pub use crate::helper_types::*;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: consider updating this dependency to resolve this error
[INFO] [stderr]     = help: if updating the dependency does not resolve the problem report the problem to the author of the relevant crate
[INFO] [stderr] note: `sum` could also refer to the type alias defined here
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/diesel-2.2.11/src/lib.rs:321:13
[INFO] [stderr]     |
[INFO] [stderr] 321 |     pub use crate::expression::dsl::*;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #114095 <https://github.com/rust-lang/rust/issues/114095>
[INFO] [stderr]     = note: `#[warn(ambiguous_glob_imports)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `student_datahub` (bin "student_datahub" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: student_datahub v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/student_datahub-3242c9349449a34c)
[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" "6c14d69dca5f20873a1c78d2145c94a2ebf1d14f1f1bdc87a032d5324b02d90d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c14d69dca5f20873a1c78d2145c94a2ebf1d14f1f1bdc87a032d5324b02d90d", kill_on_drop: false }`
[INFO] [stdout] 6c14d69dca5f20873a1c78d2145c94a2ebf1d14f1f1bdc87a032d5324b02d90d
