[INFO] fetching crate qcomms 1.0.1... [INFO] testing qcomms-1.0.1 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate qcomms 1.0.1 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate qcomms 1.0.1 [INFO] finished tweaking crates.io crate qcomms 1.0.1 [INFO] tweaked toml for crates.io crate qcomms 1.0.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate qcomms 1.0.1 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 66 packages to latest compatible versions [INFO] [stderr] Adding bincode v1.3.3 (available: v2.0.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5d27ffd1a0fa6c1697691c54185859acd50eb7ff3bfacb5a64940285ea9b55c6 [INFO] running `Command { std: "docker" "start" "-a" "5d27ffd1a0fa6c1697691c54185859acd50eb7ff3bfacb5a64940285ea9b55c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5d27ffd1a0fa6c1697691c54185859acd50eb7ff3bfacb5a64940285ea9b55c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d27ffd1a0fa6c1697691c54185859acd50eb7ff3bfacb5a64940285ea9b55c6", kill_on_drop: false }` [INFO] [stdout] 5d27ffd1a0fa6c1697691c54185859acd50eb7ff3bfacb5a64940285ea9b55c6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fd064005d33f59e9d308de2195f2b08568ec2ada4c442dff5034d0e980a61d9f [INFO] running `Command { std: "docker" "start" "-a" "fd064005d33f59e9d308de2195f2b08568ec2ada4c442dff5034d0e980a61d9f", kill_on_drop: false }` [INFO] [stderr] Compiling futures-io v0.3.31 [INFO] [stderr] Compiling parking v2.2.1 [INFO] [stderr] Compiling rustix v1.1.2 [INFO] [stderr] Compiling linux-raw-sys v0.11.0 [INFO] [stderr] Compiling async-task v4.7.1 [INFO] [stderr] Compiling async-io v2.6.0 [INFO] [stderr] Compiling atomic-waker v1.1.2 [INFO] [stderr] Compiling futures-channel v0.3.31 [INFO] [stderr] Compiling value-bag v1.11.1 [INFO] [stderr] Compiling event-listener v2.5.3 [INFO] [stderr] Compiling once_cell v1.21.3 [INFO] [stderr] Compiling concurrent-queue v2.5.0 [INFO] [stderr] Compiling bincode v1.3.3 [INFO] [stderr] Compiling piper v0.2.4 [INFO] [stderr] Compiling event-listener v5.4.1 [INFO] [stderr] Compiling futures-lite v2.6.1 [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling async-channel v1.9.0 [INFO] [stderr] Compiling log v0.4.28 [INFO] [stderr] Compiling event-listener-strategy v0.5.4 [INFO] [stderr] Compiling async-channel v2.5.0 [INFO] [stderr] Compiling async-lock v3.4.1 [INFO] [stderr] Compiling kv-log-macro v1.0.7 [INFO] [stderr] Compiling async-executor v1.13.3 [INFO] [stderr] Compiling blocking v1.6.2 [INFO] [stderr] Compiling futures-executor v0.3.31 [INFO] [stderr] Compiling futures v0.3.31 [INFO] [stderr] Compiling polling v3.11.0 [INFO] [stderr] Compiling async-global-executor v2.4.1 [INFO] [stderr] Compiling async-std v1.13.2 [INFO] [stderr] Compiling qcomms v1.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/async_comms/zccomms.rs:61:72 [INFO] [stdout] | [INFO] [stdout] 61 | fn tx<'a, O: Serialize>(&'a mut self, object: &'a O) -> ObjSendFut<'_, Self, O> [INFO] [stdout] | -- -- ^^ the same lifetime is elided here [INFO] [stdout] | | | [INFO] [stdout] | | the lifetime is named here [INFO] [stdout] | the lifetime is named 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: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 61 - fn tx<'a, O: Serialize>(&'a mut self, object: &'a O) -> ObjSendFut<'_, Self, O> [INFO] [stdout] 61 + fn tx<'a, O: Serialize>(&'a mut self, object: &'a O) -> ObjSendFut<'a, Self, O> [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/async_comms/zccomms.rs:164:72 [INFO] [stdout] | [INFO] [stdout] 164 | fn tx<'a, O: Serialize>(&'a mut self, object: &'a O) -> ObjSendFut<'_, Self, O> [INFO] [stdout] | -- -- ^^ the same lifetime is elided here [INFO] [stdout] | | | [INFO] [stdout] | | the lifetime is named here [INFO] [stdout] | the lifetime is named here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 164 - fn tx<'a, O: Serialize>(&'a mut self, object: &'a O) -> ObjSendFut<'_, Self, O> [INFO] [stdout] 164 + fn tx<'a, O: Serialize>(&'a mut self, object: &'a O) -> ObjSendFut<'a, Self, O> [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.61s [INFO] running `Command { std: "docker" "inspect" "fd064005d33f59e9d308de2195f2b08568ec2ada4c442dff5034d0e980a61d9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fd064005d33f59e9d308de2195f2b08568ec2ada4c442dff5034d0e980a61d9f", kill_on_drop: false }` [INFO] [stdout] fd064005d33f59e9d308de2195f2b08568ec2ada4c442dff5034d0e980a61d9f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 57bd0c8368b72a1e1fe8c5ab52e5f848c5446be23612c1002896f73e634336dd [INFO] running `Command { std: "docker" "start" "-a" "57bd0c8368b72a1e1fe8c5ab52e5f848c5446be23612c1002896f73e634336dd", kill_on_drop: false }` [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/async_comms/zccomms.rs:61:72 [INFO] [stdout] | [INFO] [stdout] 61 | fn tx<'a, O: Serialize>(&'a mut self, object: &'a O) -> ObjSendFut<'_, Self, O> [INFO] [stdout] | -- -- ^^ the same lifetime is elided here [INFO] [stdout] | | | [INFO] [stdout] | | the lifetime is named here [INFO] [stdout] | the lifetime is named 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: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 61 - fn tx<'a, O: Serialize>(&'a mut self, object: &'a O) -> ObjSendFut<'_, Self, O> [INFO] [stdout] 61 + fn tx<'a, O: Serialize>(&'a mut self, object: &'a O) -> ObjSendFut<'a, Self, O> [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling qcomms v1.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/async_comms/zccomms.rs:164:72 [INFO] [stdout] | [INFO] [stdout] 164 | fn tx<'a, O: Serialize>(&'a mut self, object: &'a O) -> ObjSendFut<'_, Self, O> [INFO] [stdout] | -- -- ^^ the same lifetime is elided here [INFO] [stdout] | | | [INFO] [stdout] | | the lifetime is named here [INFO] [stdout] | the lifetime is named here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 164 - fn tx<'a, O: Serialize>(&'a mut self, object: &'a O) -> ObjSendFut<'_, Self, O> [INFO] [stdout] 164 + fn tx<'a, O: Serialize>(&'a mut self, object: &'a O) -> ObjSendFut<'a, Self, O> [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/async_comms/zccomms.rs:61:72 [INFO] [stdout] | [INFO] [stdout] 61 | fn tx<'a, O: Serialize>(&'a mut self, object: &'a O) -> ObjSendFut<'_, Self, O> [INFO] [stdout] | -- -- ^^ the same lifetime is elided here [INFO] [stdout] | | | [INFO] [stdout] | | the lifetime is named here [INFO] [stdout] | the lifetime is named 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: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 61 - fn tx<'a, O: Serialize>(&'a mut self, object: &'a O) -> ObjSendFut<'_, Self, O> [INFO] [stdout] 61 + fn tx<'a, O: Serialize>(&'a mut self, object: &'a O) -> ObjSendFut<'a, Self, O> [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/async_comms/zccomms.rs:164:72 [INFO] [stdout] | [INFO] [stdout] 164 | fn tx<'a, O: Serialize>(&'a mut self, object: &'a O) -> ObjSendFut<'_, Self, O> [INFO] [stdout] | -- -- ^^ the same lifetime is elided here [INFO] [stdout] | | | [INFO] [stdout] | | the lifetime is named here [INFO] [stdout] | the lifetime is named here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 164 - fn tx<'a, O: Serialize>(&'a mut self, object: &'a O) -> ObjSendFut<'_, Self, O> [INFO] [stdout] 164 + fn tx<'a, O: Serialize>(&'a mut self, object: &'a O) -> ObjSendFut<'a, Self, O> [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s [INFO] running `Command { std: "docker" "inspect" "57bd0c8368b72a1e1fe8c5ab52e5f848c5446be23612c1002896f73e634336dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "57bd0c8368b72a1e1fe8c5ab52e5f848c5446be23612c1002896f73e634336dd", kill_on_drop: false }` [INFO] [stdout] 57bd0c8368b72a1e1fe8c5ab52e5f848c5446be23612c1002896f73e634336dd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 96cc9d1148f81c79afb7a319c0b247fa13df74d990f9d8a6360c9ff9e2cf51bf [INFO] running `Command { std: "docker" "start" "-a" "96cc9d1148f81c79afb7a319c0b247fa13df74d990f9d8a6360c9ff9e2cf51bf", kill_on_drop: false }` [INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stderr] --> src/async_comms/zccomms.rs:61:72 [INFO] [stderr] | [INFO] [stderr] 61 | fn tx<'a, O: Serialize>(&'a mut self, object: &'a O) -> ObjSendFut<'_, Self, O> [INFO] [stderr] | -- -- ^^ the same lifetime is elided here [INFO] [stderr] | | | [INFO] [stderr] | | the lifetime is named here [INFO] [stderr] | the lifetime is named 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: consistently use `'a` [INFO] [stderr] | [INFO] [stderr] 61 - fn tx<'a, O: Serialize>(&'a mut self, object: &'a O) -> ObjSendFut<'_, Self, O> [INFO] [stderr] 61 + fn tx<'a, O: Serialize>(&'a mut self, object: &'a O) -> ObjSendFut<'a, Self, O> [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stderr] --> src/async_comms/zccomms.rs:164:72 [INFO] [stderr] | [INFO] [stderr] 164 | fn tx<'a, O: Serialize>(&'a mut self, object: &'a O) -> ObjSendFut<'_, Self, O> [INFO] [stderr] | -- -- ^^ the same lifetime is elided here [INFO] [stderr] | | | [INFO] [stderr] | | the lifetime is named here [INFO] [stderr] | the lifetime is named here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] help: consistently use `'a` [INFO] [stderr] | [INFO] [stderr] 164 - fn tx<'a, O: Serialize>(&'a mut self, object: &'a O) -> ObjSendFut<'_, Self, O> [INFO] [stderr] 164 + fn tx<'a, O: Serialize>(&'a mut self, object: &'a O) -> ObjSendFut<'a, Self, O> [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `qcomms` (lib) generated 2 warnings (run `cargo fix --lib -p qcomms` to apply 2 suggestions) [INFO] [stderr] warning: `qcomms` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/qcomms-f2ab29c8868e846f) [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 qcomms [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" "96cc9d1148f81c79afb7a319c0b247fa13df74d990f9d8a6360c9ff9e2cf51bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "96cc9d1148f81c79afb7a319c0b247fa13df74d990f9d8a6360c9ff9e2cf51bf", kill_on_drop: false }` [INFO] [stdout] 96cc9d1148f81c79afb7a319c0b247fa13df74d990f9d8a6360c9ff9e2cf51bf