[INFO] fetching crate bare_cnr 0.1.0-alpha.1...
[INFO] testing bare_cnr-0.1.0-alpha.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate bare_cnr 0.1.0-alpha.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate bare_cnr 0.1.0-alpha.1
[INFO] finished tweaking crates.io crate bare_cnr 0.1.0-alpha.1
[INFO] tweaked toml for crates.io crate bare_cnr 0.1.0-alpha.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate bare_cnr 0.1.0-alpha.1 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 55 packages to latest compatible versions
[INFO] [stderr]       Adding dashmap v5.5.3 (available: v6.1.0)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fcfc82b6b9b3a9778d7e5e2adb723ad6026ed0625e894f0dcf5ae895592cc027
[INFO] running `Command { std: "docker" "start" "-a" "fcfc82b6b9b3a9778d7e5e2adb723ad6026ed0625e894f0dcf5ae895592cc027", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fcfc82b6b9b3a9778d7e5e2adb723ad6026ed0625e894f0dcf5ae895592cc027", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcfc82b6b9b3a9778d7e5e2adb723ad6026ed0625e894f0dcf5ae895592cc027", kill_on_drop: false }`
[INFO] [stdout] fcfc82b6b9b3a9778d7e5e2adb723ad6026ed0625e894f0dcf5ae895592cc027
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 317a51f50c06aa251a0a47c54b578da40c50f8f6b802ec80a2cd402f17da57e8
[INFO] running `Command { std: "docker" "start" "-a" "317a51f50c06aa251a0a47c54b578da40c50f8f6b802ec80a2cd402f17da57e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling dashmap v5.5.3
[INFO] [stderr]    Compiling serde_bare v0.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling bare_cnr v0.1.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/multiplexer.rs:150:32
[INFO] [stdout]     |
[INFO] [stdout] 150 |                     if let Err(err) = oe.get().send(buf).await {
[INFO] [stdout]     |                                ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `task_tx` and `task_rx` are never read
[INFO] [stdout]   --> src/multiplexer.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct TransportMultiplexer {
[INFO] [stdout]    |            -------------------- fields in this struct
[INFO] [stdout] 16 |     task_tx: JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 17 |     task_rx: JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.90s
[INFO] running `Command { std: "docker" "inspect" "317a51f50c06aa251a0a47c54b578da40c50f8f6b802ec80a2cd402f17da57e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "317a51f50c06aa251a0a47c54b578da40c50f8f6b802ec80a2cd402f17da57e8", kill_on_drop: false }`
[INFO] [stdout] 317a51f50c06aa251a0a47c54b578da40c50f8f6b802ec80a2cd402f17da57e8
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3bf3814a8036cf4b112b9f0664089a7879e616a5bafeeb8c23f7f59ca5e5de1b
[INFO] running `Command { std: "docker" "start" "-a" "3bf3814a8036cf4b112b9f0664089a7879e616a5bafeeb8c23f7f59ca5e5de1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling async-stream v0.3.6
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling tokio-stream v0.1.17
[INFO] [stderr]    Compiling bare_cnr v0.1.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/multiplexer.rs:150:32
[INFO] [stdout]     |
[INFO] [stdout] 150 |                     if let Err(err) = oe.get().send(buf).await {
[INFO] [stdout]     |                                ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `task_tx` and `task_rx` are never read
[INFO] [stdout]   --> src/multiplexer.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct TransportMultiplexer {
[INFO] [stdout]    |            -------------------- fields in this struct
[INFO] [stdout] 16 |     task_tx: JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 17 |     task_rx: JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tokio-test v0.4.4
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/multiplexer.rs:150:32
[INFO] [stdout]     |
[INFO] [stdout] 150 |                     if let Err(err) = oe.get().send(buf).await {
[INFO] [stdout]     |                                ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `task_tx` and `task_rx` are never read
[INFO] [stdout]   --> src/multiplexer.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct TransportMultiplexer {
[INFO] [stdout]    |            -------------------- fields in this struct
[INFO] [stdout] 16 |     task_tx: JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 17 |     task_rx: JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 14.88s
[INFO] running `Command { std: "docker" "inspect" "3bf3814a8036cf4b112b9f0664089a7879e616a5bafeeb8c23f7f59ca5e5de1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bf3814a8036cf4b112b9f0664089a7879e616a5bafeeb8c23f7f59ca5e5de1b", kill_on_drop: false }`
[INFO] [stdout] 3bf3814a8036cf4b112b9f0664089a7879e616a5bafeeb8c23f7f59ca5e5de1b
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d51f61ad04c75abe579ceb71fe35e78342c2fec331f88ec75f395ca753f24004
[INFO] running `Command { std: "docker" "start" "-a" "d51f61ad04c75abe579ceb71fe35e78342c2fec331f88ec75f395ca753f24004", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/multiplexer.rs:150:32
[INFO] [stderr]     |
[INFO] [stderr] 150 |                     if let Err(err) = oe.get().send(buf).await {
[INFO] [stderr]     |                                ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `task_tx` and `task_rx` are never read
[INFO] [stderr]   --> src/multiplexer.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub struct TransportMultiplexer {
[INFO] [stderr]    |            -------------------- fields in this struct
[INFO] [stderr] 16 |     task_tx: JoinHandle<()>,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 17 |     task_rx: JoinHandle<()>,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `bare_cnr` (lib) generated 2 warnings (run `cargo fix --lib -p bare_cnr` to apply 1 suggestion)
[INFO] [stderr] warning: `bare_cnr` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/bare_cnr-28f0a0ebefa8e034)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]    Doc-tests bare_cnr
[INFO] [stdout] test multiplexer::test::test_channel_handover ... ok
[INFO] [stdout] test multiplexer::test::test_data_reaches_the_other_side ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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" "d51f61ad04c75abe579ceb71fe35e78342c2fec331f88ec75f395ca753f24004", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d51f61ad04c75abe579ceb71fe35e78342c2fec331f88ec75f395ca753f24004", kill_on_drop: false }`
[INFO] [stdout] d51f61ad04c75abe579ceb71fe35e78342c2fec331f88ec75f395ca753f24004