[INFO] fetching crate mitosis 0.1.1... [INFO] checking mitosis-0.1.1 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] extracting crate mitosis 0.1.1 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate mitosis 0.1.1 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate mitosis 0.1.1 [INFO] finished tweaking crates.io crate mitosis 0.1.1 [INFO] tweaked toml for crates.io crate mitosis 0.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate crates.io crate mitosis 0.1.1 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ipc-channel v0.15.0 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ae6b767708db1fd8ebfebf2a94b69b75ebf321dbd3a51b5d260a8ec00455fd1f [INFO] running `Command { std: "docker" "start" "-a" "ae6b767708db1fd8ebfebf2a94b69b75ebf321dbd3a51b5d260a8ec00455fd1f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ae6b767708db1fd8ebfebf2a94b69b75ebf321dbd3a51b5d260a8ec00455fd1f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ae6b767708db1fd8ebfebf2a94b69b75ebf321dbd3a51b5d260a8ec00455fd1f", kill_on_drop: false }` [INFO] [stdout] ae6b767708db1fd8ebfebf2a94b69b75ebf321dbd3a51b5d260a8ec00455fd1f [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 875e7b09dad048d8787a5540376cc6045fa8975ffdbaa21a30a28d9185e67293 [INFO] running `Command { std: "docker" "start" "-a" "875e7b09dad048d8787a5540376cc6045fa8975ffdbaa21a30a28d9185e67293", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.102 [INFO] [stderr] Compiling proc-macro2 v1.0.29 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling syn v1.0.76 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking slab v0.4.4 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking crossbeam-channel v0.4.4 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking tempfile v3.2.0 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking ipc-channel v0.15.0 [INFO] [stderr] Checking mitosis v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: this function depends on never type fallback being `()` [INFO] [stdout] --> examples/kill.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | fn main() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #123748 [INFO] [stdout] = help: specify the types explicitly [INFO] [stdout] note: in edition 2024, the requirement `!: serde::ser::Serialize` will fail [INFO] [stdout] --> examples/kill.rs:7:18 [INFO] [stdout] | [INFO] [stdout] 7 | let handle = mitosis::spawn((), |()| loop {}); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(dependency_on_unit_never_type_fallback)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.51s [INFO] running `Command { std: "docker" "inspect" "875e7b09dad048d8787a5540376cc6045fa8975ffdbaa21a30a28d9185e67293", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "875e7b09dad048d8787a5540376cc6045fa8975ffdbaa21a30a28d9185e67293", kill_on_drop: false }` [INFO] [stdout] 875e7b09dad048d8787a5540376cc6045fa8975ffdbaa21a30a28d9185e67293