[INFO] fetching crate viaduct 0.4.0... [INFO] testing viaduct-0.4.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate viaduct 0.4.0 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate viaduct 0.4.0 [INFO] finished tweaking crates.io crate viaduct 0.4.0 [INFO] tweaked toml for crates.io crate viaduct 0.4.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate viaduct 0.4.0 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] crate crates.io crate viaduct 0.4.0 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] a77ed23c3555bd1a10d59db2e0f36b4c1e5048660036c7bd221feb5dfce81171 [INFO] running `Command { std: "docker" "start" "-a" "a77ed23c3555bd1a10d59db2e0f36b4c1e5048660036c7bd221feb5dfce81171", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a77ed23c3555bd1a10d59db2e0f36b4c1e5048660036c7bd221feb5dfce81171", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a77ed23c3555bd1a10d59db2e0f36b4c1e5048660036c7bd221feb5dfce81171", kill_on_drop: false }` [INFO] [stdout] a77ed23c3555bd1a10d59db2e0f36b4c1e5048660036c7bd221feb5dfce81171 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 93f31f51bc044157a57d3a614bccdb4a07610dd0328d40e3beacc4f4e4081742 [INFO] running `Command { std: "docker" "start" "-a" "93f31f51bc044157a57d3a614bccdb4a07610dd0328d40e3beacc4f4e4081742", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.127 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling parking_lot_core v0.9.3 [INFO] [stderr] Compiling smallvec v1.9.0 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling bytemuck v1.11.0 [INFO] [stderr] Compiling lock_api v0.4.7 [INFO] [stderr] Compiling getrandom v0.2.7 [INFO] [stderr] Compiling interprocess v1.1.1 [INFO] [stderr] Compiling uuid v1.1.2 [INFO] [stderr] Compiling parking_lot v0.12.1 [INFO] [stderr] Compiling viaduct v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition name: `ci_test` [INFO] [stdout] --> src/lib.rs:139:13 [INFO] [stdout] | [INFO] [stdout] 139 | #![cfg_attr(ci_test, deny(warnings))] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(ci_test)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(ci_test)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.29s [INFO] running `Command { std: "docker" "inspect" "93f31f51bc044157a57d3a614bccdb4a07610dd0328d40e3beacc4f4e4081742", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "93f31f51bc044157a57d3a614bccdb4a07610dd0328d40e3beacc4f4e4081742", kill_on_drop: false }` [INFO] [stdout] 93f31f51bc044157a57d3a614bccdb4a07610dd0328d40e3beacc4f4e4081742 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] b3e637e71094f1e5aa4fcf300174892a8053271e321b407d9055f24875887751 [INFO] running `Command { std: "docker" "start" "-a" "b3e637e71094f1e5aa4fcf300174892a8053271e321b407d9055f24875887751", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.43 [INFO] [stderr] Compiling unicode-ident v1.0.3 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling syn v1.0.99 [INFO] [stderr] Compiling serde_derive v1.0.142 [INFO] [stderr] Compiling serde v1.0.142 [INFO] [stderr] Compiling ppv-lite86 v0.2.16 [INFO] [stderr] Compiling getrandom v0.2.7 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling uuid v1.1.2 [INFO] [stderr] Compiling viaduct v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition name: `ci_test` [INFO] [stdout] --> src/lib.rs:139:13 [INFO] [stdout] | [INFO] [stdout] 139 | #![cfg_attr(ci_test, deny(warnings))] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(ci_test)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(ci_test)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stdout] warning: unexpected `cfg` condition name: `ci_test` [INFO] [stdout] --> src/lib.rs:139:13 [INFO] [stdout] | [INFO] [stdout] 139 | #![cfg_attr(ci_test, deny(warnings))] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(ci_test)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(ci_test)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 12.91s [INFO] running `Command { std: "docker" "inspect" "b3e637e71094f1e5aa4fcf300174892a8053271e321b407d9055f24875887751", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b3e637e71094f1e5aa4fcf300174892a8053271e321b407d9055f24875887751", kill_on_drop: false }` [INFO] [stdout] b3e637e71094f1e5aa4fcf300174892a8053271e321b407d9055f24875887751 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 7c67155c0991f37709181eec2a094da198e6cd9547e3c2644b8b67a7b1c39f5f [INFO] running `Command { std: "docker" "start" "-a" "7c67155c0991f37709181eec2a094da198e6cd9547e3c2644b8b67a7b1c39f5f", kill_on_drop: false }` [INFO] [stderr] warning: unexpected `cfg` condition name: `ci_test` [INFO] [stderr] --> src/lib.rs:139:13 [INFO] [stderr] | [INFO] [stderr] 139 | #![cfg_attr(ci_test, deny(warnings))] [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [INFO] [stderr] = help: consider using a Cargo feature instead [INFO] [stderr] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stderr] [lints.rust] [INFO] [stderr] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(ci_test)'] } [INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(ci_test)");` to the top of the `build.rs` [INFO] [stderr] = note: see for more information about checking conditional configuration [INFO] [stderr] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `viaduct` (lib) generated 1 warning [INFO] [stderr] warning: `viaduct` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/viaduct-0a0046a7d3a6053f) [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 viaduct [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test src/chan.rs - chan::ViaductRx::run (line 151) - compile ... ok [INFO] [stdout] test src/chan.rs - chan::ViaductRequestResponder::respond (line 57) - compile ... ok [INFO] [stdout] test src/lib.rs - (line 63) - compile ... ok [INFO] [stdout] test src/lib.rs - (line 26) - compile ... ok [INFO] [stdout] test src/lib.rs - (line 7) - compile ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.18s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "7c67155c0991f37709181eec2a094da198e6cd9547e3c2644b8b67a7b1c39f5f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7c67155c0991f37709181eec2a094da198e6cd9547e3c2644b8b67a7b1c39f5f", kill_on_drop: false }` [INFO] [stdout] 7c67155c0991f37709181eec2a094da198e6cd9547e3c2644b8b67a7b1c39f5f