[INFO] fetching crate myko-rs 3.0.0-canary.688...
[INFO] building myko-rs-3.0.0-canary.688 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate myko-rs 3.0.0-canary.688 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate myko-rs 3.0.0-canary.688
[INFO] finished tweaking crates.io crate myko-rs 3.0.0-canary.688
[INFO] tweaked toml for crates.io crate myko-rs 3.0.0-canary.688 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate myko-rs 3.0.0-canary.688 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate myko-rs 3.0.0-canary.688 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wit-bindgen v0.45.0
[INFO] [stderr]   Downloaded partially v0.2.1
[INFO] [stderr]   Downloaded md5 v0.7.0
[INFO] [stderr]   Downloaded myko-macros v3.0.0-canary.688
[INFO] [stderr]   Downloaded tempfile v3.21.0
[INFO] [stderr]   Downloaded partially_derive v0.2.1
[INFO] [stderr]   Downloaded discard v1.0.4
[INFO] [stderr]   Downloaded futures-signals v0.3.34
[INFO] [stderr]   Downloaded gensym v0.1.1
[INFO] [stderr]   Downloaded wasi v0.14.3+wasi-0.2.4
[INFO] [stderr]   Downloaded openssl-src v300.5.2+3.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de03f15321e0921d6a6604ac4025bf1ed8b5b519fbb0188df88879ab827c9d75
[INFO] running `Command { std: "docker" "start" "-a" "de03f15321e0921d6a6604ac4025bf1ed8b5b519fbb0188df88879ab827c9d75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de03f15321e0921d6a6604ac4025bf1ed8b5b519fbb0188df88879ab827c9d75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de03f15321e0921d6a6604ac4025bf1ed8b5b519fbb0188df88879ab827c9d75", kill_on_drop: false }`
[INFO] [stdout] de03f15321e0921d6a6604ac4025bf1ed8b5b519fbb0188df88879ab827c9d75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 750b7d4acfcee8587badd3a7c30a1cea64dddba45ee59629b76c6c9f7297fe66
[INFO] running `Command { std: "docker" "start" "-a" "750b7d4acfcee8587badd3a7c30a1cea64dddba45ee59629b76c6c9f7297fe66", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.2.34
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]    Compiling potential_utf v0.1.2
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling icu_collections v2.0.0
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling icu_properties v2.0.1
[INFO] [stderr]    Compiling icu_normalizer v2.0.0
[INFO] [stderr]    Compiling bitflags v2.9.3
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling openssl-src v300.5.2+3.5.2
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling uuid v1.18.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling gensym v0.1.1
[INFO] [stderr]    Compiling url v2.5.7
[INFO] [stderr]    Compiling rmp v0.8.14
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling discard v1.0.4
[INFO] [stderr]    Compiling rmp-serde v1.3.0
[INFO] [stderr]    Compiling chrono v0.4.41
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling partially_derive v0.2.1
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling partially v0.2.1
[INFO] [stderr]    Compiling myko-macros v3.0.0-canary.688
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling md5 v0.7.0
[INFO] [stderr]    Compiling futures-signals v0.3.34
[INFO] [stderr]    Compiling tokio-util v0.7.16
[INFO] [stderr]    Compiling tokio-stream v0.1.17
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling tungstenite v0.21.0
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling tokio-tungstenite v0.21.0
[INFO] [stderr]    Compiling myko-rs v3.0.0-canary.688 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5m 35s
[INFO] running `Command { std: "docker" "inspect" "750b7d4acfcee8587badd3a7c30a1cea64dddba45ee59629b76c6c9f7297fe66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "750b7d4acfcee8587badd3a7c30a1cea64dddba45ee59629b76c6c9f7297fe66", kill_on_drop: false }`
[INFO] [stdout] 750b7d4acfcee8587badd3a7c30a1cea64dddba45ee59629b76c6c9f7297fe66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4abf3d80ec758be2702669f4c4a3dfd27bf081299856aa41669e3e1ae6bc57d3
[INFO] running `Command { std: "docker" "start" "-a" "4abf3d80ec758be2702669f4c4a3dfd27bf081299856aa41669e3e1ae6bc57d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling myko-rs v3.0.0-canary.688 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Demo` is never constructed
[INFO] [stdout]   --> src/tests.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     struct Demo {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DemoModule` is never constructed
[INFO] [stdout]    --> src/tests.rs:158:16
[INFO] [stdout]     |
[INFO] [stdout] 158 |         struct DemoModule {
[INFO] [stdout]     |                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.74s
[INFO] running `Command { std: "docker" "inspect" "4abf3d80ec758be2702669f4c4a3dfd27bf081299856aa41669e3e1ae6bc57d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4abf3d80ec758be2702669f4c4a3dfd27bf081299856aa41669e3e1ae6bc57d3", kill_on_drop: false }`
[INFO] [stdout] 4abf3d80ec758be2702669f4c4a3dfd27bf081299856aa41669e3e1ae6bc57d3