[INFO] fetching crate futures-black-hole 0.2.2... [INFO] testing futures-black-hole-0.2.2 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [INFO] extracting crate futures-black-hole 0.2.2 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate futures-black-hole 0.2.2 [INFO] finished tweaking crates.io crate futures-black-hole 0.2.2 [INFO] tweaked toml for crates.io crate futures-black-hole 0.2.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate futures-black-hole 0.2.2 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 12 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded futures-await-await-macro v0.1.1 [INFO] [stderr] Downloaded futures-await v0.1.1 [INFO] [stderr] Downloaded futures-await-async-macro v0.1.4 [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e82612599e601a7b1dfb94c6fd723cea9e91110ecc176fc81625669048e51b74 [INFO] running `Command { std: "docker" "start" "-a" "e82612599e601a7b1dfb94c6fd723cea9e91110ecc176fc81625669048e51b74", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e82612599e601a7b1dfb94c6fd723cea9e91110ecc176fc81625669048e51b74", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e82612599e601a7b1dfb94c6fd723cea9e91110ecc176fc81625669048e51b74", kill_on_drop: false }` [INFO] [stdout] e82612599e601a7b1dfb94c6fd723cea9e91110ecc176fc81625669048e51b74 [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 22f8d6f43dd143b64e9918b414dc5451a40a306c3d5ba90d27639cc25f7446b0 [INFO] running `Command { std: "docker" "start" "-a" "22f8d6f43dd143b64e9918b414dc5451a40a306c3d5ba90d27639cc25f7446b0", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling futures v0.1.31 [INFO] [stderr] Compiling futures-await-await-macro v0.1.1 [INFO] [stderr] Compiling libc v0.2.174 [INFO] [stderr] Compiling num_cpus v1.17.0 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Compiling futures-cpupool v0.1.8 [INFO] [stderr] Compiling futures-await-async-macro v0.1.4 [INFO] [stderr] Compiling futures-await v0.1.1 [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-await-0.1.1/src/lib.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 17 | #![feature(on_unimplemented)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: removed in 1.40.0 (you are using 1.89.0-nightly (8de4c7234 2025-06-19)); see for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0432]: unresolved import `std::ops::Generator` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-await-0.1.1/src/lib.rs:43:13 [INFO] [stdout] | [INFO] [stdout] 43 | pub use std::ops::Generator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ no `Generator` in `ops` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0432]: unresolved import `std::ops::GeneratorState` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-await-0.1.1/src/lib.rs:47:9 [INFO] [stdout] | [INFO] [stdout] 47 | use std::ops::GeneratorState; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ no `GeneratorState` in `ops` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of an internal attribute [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-await-0.1.1/src/lib.rs:64:5 [INFO] [stdout] | [INFO] [stdout] 64 | / #[rustc_on_unimplemented = "async functions must return a `Result` or \ [INFO] [stdout] 65 | | a typedef of `Result`"] [INFO] [stdout] | |_______________________________________________________^ [INFO] [stdout] | [INFO] [stdout] = help: add `#![feature(rustc_attrs)]` to the crate attributes to enable [INFO] [stdout] = note: the `#[rustc_on_unimplemented]` attribute is an internal implementation detail that will never be stable [INFO] [stdout] = note: see `#[diagnostic::on_unimplemented]` for the stable equivalent of this attribute [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `generator_trait` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-await-0.1.1/src/lib.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 15 | #![feature(generator_trait)] [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0432, E0557, E0635, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0432`. [INFO] [stdout] [INFO] [stderr] error: could not compile `futures-await` (lib) due to 5 previous errors [INFO] running `Command { std: "docker" "inspect" "22f8d6f43dd143b64e9918b414dc5451a40a306c3d5ba90d27639cc25f7446b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "22f8d6f43dd143b64e9918b414dc5451a40a306c3d5ba90d27639cc25f7446b0", kill_on_drop: false }` [INFO] [stdout] 22f8d6f43dd143b64e9918b414dc5451a40a306c3d5ba90d27639cc25f7446b0