[INFO] fetching crate market_square 0.1.0-alpha.2...
[INFO] testing market_square-0.1.0-alpha.2 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate market_square 0.1.0-alpha.2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate market_square 0.1.0-alpha.2
[INFO] finished tweaking crates.io crate market_square 0.1.0-alpha.2
[INFO] tweaked toml for crates.io crate market_square 0.1.0-alpha.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate market_square 0.1.0-alpha.2 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 market_square 0.1.0-alpha.2 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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c1fd3ea46933ab828c86d42a72602d5b1d36edfc37d96c8477a0784edd7b770c
[INFO] running `Command { std: "docker" "start" "-a" "c1fd3ea46933ab828c86d42a72602d5b1d36edfc37d96c8477a0784edd7b770c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1fd3ea46933ab828c86d42a72602d5b1d36edfc37d96c8477a0784edd7b770c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1fd3ea46933ab828c86d42a72602d5b1d36edfc37d96c8477a0784edd7b770c", kill_on_drop: false }`
[INFO] [stdout] c1fd3ea46933ab828c86d42a72602d5b1d36edfc37d96c8477a0784edd7b770c
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd6af35fb2a0b0aae5068be45da997862d2bac2e3f7e831e5c4459df9b0bf38b
[INFO] running `Command { std: "docker" "start" "-a" "dd6af35fb2a0b0aae5068be45da997862d2bac2e3f7e831e5c4459df9b0bf38b", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallvec v1.15.0
[INFO] [stderr]    Compiling pollster v0.4.0
[INFO] [stderr]    Compiling tokio v1.44.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling market_square v0.1.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `drop_tracker` is never read
[INFO] [stdout]    --> src/lib.rs:209:5
[INFO] [stdout]     |
[INFO] [stdout] 203 | pub struct MessageConsumer<P> {
[INFO] [stdout]     |            --------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 209 |     drop_tracker: Arc<()>,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:66:17
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn read(&self) -> Option<MessageRef<P>> {
[INFO] [stdout]    |                 ^^^^^            ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn read(&self) -> Option<MessageRef<'_, P>> {
[INFO] [stdout]    |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.21s
[INFO] running `Command { std: "docker" "inspect" "dd6af35fb2a0b0aae5068be45da997862d2bac2e3f7e831e5c4459df9b0bf38b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd6af35fb2a0b0aae5068be45da997862d2bac2e3f7e831e5c4459df9b0bf38b", kill_on_drop: false }`
[INFO] [stdout] dd6af35fb2a0b0aae5068be45da997862d2bac2e3f7e831e5c4459df9b0bf38b
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] efd339270ecdf86b16f0506497ca18ef0c305988d1836f7d6c69ac3e8f7b4120
[INFO] running `Command { std: "docker" "start" "-a" "efd339270ecdf86b16f0506497ca18ef0c305988d1836f7d6c69ac3e8f7b4120", kill_on_drop: false }`
[INFO] [stderr]    Compiling market_square v0.1.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `drop_tracker` is never read
[INFO] [stdout]    --> src/lib.rs:209:5
[INFO] [stdout]     |
[INFO] [stdout] 203 | pub struct MessageConsumer<P> {
[INFO] [stdout]     |            --------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 209 |     drop_tracker: Arc<()>,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:66:17
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn read(&self) -> Option<MessageRef<P>> {
[INFO] [stdout]    |                 ^^^^^            ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn read(&self) -> Option<MessageRef<'_, P>> {
[INFO] [stdout]    |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `drop_tracker` is never read
[INFO] [stdout]    --> src/lib.rs:209:5
[INFO] [stdout]     |
[INFO] [stdout] 203 | pub struct MessageConsumer<P> {
[INFO] [stdout]     |            --------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 209 |     drop_tracker: Arc<()>,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:66:17
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn read(&self) -> Option<MessageRef<P>> {
[INFO] [stdout]    |                 ^^^^^            ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn read(&self) -> Option<MessageRef<'_, P>> {
[INFO] [stdout]    |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "efd339270ecdf86b16f0506497ca18ef0c305988d1836f7d6c69ac3e8f7b4120", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efd339270ecdf86b16f0506497ca18ef0c305988d1836f7d6c69ac3e8f7b4120", kill_on_drop: false }`
[INFO] [stdout] efd339270ecdf86b16f0506497ca18ef0c305988d1836f7d6c69ac3e8f7b4120
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fe8e74452c8667261e8e4724463c2bc83162b9d8989302cd495722517e1dda04
[INFO] running `Command { std: "docker" "start" "-a" "fe8e74452c8667261e8e4724463c2bc83162b9d8989302cd495722517e1dda04", kill_on_drop: false }`
[INFO] [stderr] warning: field `drop_tracker` is never read
[INFO] [stderr]    --> src/lib.rs:209:5
[INFO] [stderr]     |
[INFO] [stderr] 203 | pub struct MessageConsumer<P> {
[INFO] [stderr]     |            --------------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 209 |     drop_tracker: Arc<()>,
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/lib.rs:66:17
[INFO] [stderr]    |
[INFO] [stderr] 66 |     pub fn read(&self) -> Option<MessageRef<P>> {
[INFO] [stderr]    |                 ^^^^^            ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 66 |     pub fn read(&self) -> Option<MessageRef<'_, P>> {
[INFO] [stderr]    |                                             +++
[INFO] [stderr] 
[INFO] [stderr] warning: `market_square` (lib) generated 2 warnings (run `cargo fix --lib -p market_square` to apply 1 suggestion)
[INFO] [stderr] warning: `market_square` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/market_square-802b30811d12eb94)
[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 market_square
[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" "fe8e74452c8667261e8e4724463c2bc83162b9d8989302cd495722517e1dda04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe8e74452c8667261e8e4724463c2bc83162b9d8989302cd495722517e1dda04", kill_on_drop: false }`
[INFO] [stdout] fe8e74452c8667261e8e4724463c2bc83162b9d8989302cd495722517e1dda04
