[INFO] cloning repository https://github.com/iovxw/babel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iovxw/babel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiovxw%2Fbabel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiovxw%2Fbabel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d01d16153443656cfc54338c07c738aca881a401
[INFO] checking iovxw/babel against try#04ea1e1f1a12cfa912c228ca278237d92d0bb6df for pr-148477-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiovxw%2Fbabel" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/iovxw/babel
[INFO] finished tweaking git repo https://github.com/iovxw/babel
[INFO] tweaked toml for git repo https://github.com/iovxw/babel written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/iovxw/babel on toolchain 04ea1e1f1a12cfa912c228ca278237d92d0bb6df
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+04ea1e1f1a12cfa912c228ca278237d92d0bb6df" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/iovxw/babel 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" "+04ea1e1f1a12cfa912c228ca278237d92d0bb6df" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+04ea1e1f1a12cfa912c228ca278237d92d0bb6df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 01ae68b17241a4c10b40581f1e49cce3f14f40a8e19dd046ed867d2d457129f8
[INFO] running `Command { std: "docker" "start" "-a" "01ae68b17241a4c10b40581f1e49cce3f14f40a8e19dd046ed867d2d457129f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01ae68b17241a4c10b40581f1e49cce3f14f40a8e19dd046ed867d2d457129f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01ae68b17241a4c10b40581f1e49cce3f14f40a8e19dd046ed867d2d457129f8", kill_on_drop: false }`
[INFO] [stdout] 01ae68b17241a4c10b40581f1e49cce3f14f40a8e19dd046ed867d2d457129f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+04ea1e1f1a12cfa912c228ca278237d92d0bb6df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1026c15492f7666e576dd49a3fcc89e3c892f0757a44b2da2dfc0606a75ea0c
[INFO] running `Command { std: "docker" "start" "-a" "c1026c15492f7666e576dd49a3fcc89e3c892f0757a44b2da2dfc0606a75ea0c", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]    Compiling cc v1.0.25
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[INFO] [stderr]    Compiling rand_core v0.2.1
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]     Checking crossbeam-utils v0.5.0
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]     Checking slab v0.4.1
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking log v0.4.5
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking lazycell v1.1.0
[INFO] [stderr]    Compiling serde v1.0.78
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking smallvec v0.6.5
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking lock_api v0.1.3
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]     Checking rustc-demangle v0.1.9
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking bytes v0.4.10
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking unicode-normalization v0.1.7
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling phf_shared v0.7.23
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]     Checking phf v0.7.23
[INFO] [stderr]     Checking crossbeam-deque v0.6.1
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling openssl-sys v0.9.35
[INFO] [stderr]    Compiling syn v0.15.4
[INFO] [stderr]     Checking new_debug_unreachable v1.0.1
[INFO] [stderr]     Checking memchr v2.0.2
[INFO] [stderr]     Checking dtoa v0.4.3
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling unicase v2.1.0
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]    Compiling openssl v0.10.11
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.6
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stdout] error[E0432]: unresolved import `core::pin::PinMut`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-core-preview-0.3.0-alpha.6/src/future.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use core::pin::PinMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^ no `PinMut` in `pin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `core::future::FutureObj`, `core::future::LocalFutureObj`, `core::future::UnsafeFutureObj`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-core-preview-0.3.0-alpha.6/src/future.rs:6:32
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use core::future::{Future, FutureObj, LocalFutureObj, UnsafeFutureObj};
[INFO] [stdout]   |                                ^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^ no `UnsafeFutureObj` in `future`
[INFO] [stdout]   |                                |          |
[INFO] [stdout]   |                                |          no `LocalFutureObj` in `future`
[INFO] [stdout]   |                                no `FutureObj` in `future`
[INFO] [stdout]   |                                help: a similar name exists in the module: `Future`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `core::pin::PinMut`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-core-preview-0.3.0-alpha.6/src/stream/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use core::pin::PinMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^ no `PinMut` in `pin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `core::pin::PinMut`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-core-preview-0.3.0-alpha.6/src/stream/stream_obj.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use core::pin::PinMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^ no `PinMut` in `pin`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this unresolved item through its public re-export instead
[INFO] [stdout]   |
[INFO] [stdout] 5 - use core::pin::PinMut;
[INFO] [stdout] 5 + use crate::stream::PinMut;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `std`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-core-preview-0.3.0-alpha.6/src/stream/stream_obj.rs:196:9
[INFO] [stdout]     |
[INFO] [stdout] 196 |     use std::boxed::Box;
[INFO] [stdout]     |         ^^^ use of unresolved module or unlinked crate `std`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `std`, use `cargo add std` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `std`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-core-preview-0.3.0-alpha.6/src/stream/stream_obj.rs:197:9
[INFO] [stdout]     |
[INFO] [stdout] 197 |     use std::pin::PinBox;
[INFO] [stdout]     |         ^^^ use of unresolved module or unlinked crate `std`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `std`, use `cargo add std` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `std`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-core-preview-0.3.0-alpha.6/src/stream/mod.rs:131:9
[INFO] [stdout]     |
[INFO] [stdout] 131 |     use std::boxed::Box;
[INFO] [stdout]     |         ^^^ use of unresolved module or unlinked crate `std`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `std`, use `cargo add std` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `std`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-core-preview-0.3.0-alpha.6/src/stream/mod.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |     use std::pin::PinBox;
[INFO] [stdout]     |         ^^^ use of unresolved module or unlinked crate `std`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `std`, use `cargo add std` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `std`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-core-preview-0.3.0-alpha.6/src/task.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub use std::task::{Wake, local_waker, local_waker_from_nonlocal};
[INFO] [stdout]    |             ^^^ use of unresolved module or unlinked crate `std`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `std`, use `cargo add std` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `core::task::Spawn`, `core::task::UnsafeWake`, `core::task::SpawnErrorKind`, `core::task::SpawnObjError`, `core::task::SpawnLocalObjError`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-core-preview-0.3.0-alpha.6/src/task.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Context, Poll, Spawn,
[INFO] [stdout]   |                    ^^^^^ no `Spawn` in `task`
[INFO] [stdout] 5 |     Waker, LocalWaker, UnsafeWake,
[INFO] [stdout]   |                        ^^^^^^^^^^ no `UnsafeWake` in `task`
[INFO] [stdout] 6 |     SpawnErrorKind, SpawnObjError, SpawnLocalObjError,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^ no `SpawnLocalObjError` in `task`
[INFO] [stdout]   |     |               |
[INFO] [stdout]   |     |               no `SpawnObjError` in `task`
[INFO] [stdout]   |     no `SpawnErrorKind` in `task`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `std` in the list of imported crates
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-core-preview-0.3.0-alpha.6/src/stream/mod.rs:167:33
[INFO] [stdout]     |
[INFO] [stdout] 167 |     impl<T: Unpin> Stream for ::std::collections::VecDeque<T> {
[INFO] [stdout]     |                                 ^^^ could not find `std` in the list of imported crates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `std` in the list of imported crates
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-core-preview-0.3.0-alpha.6/src/stream/mod.rs:156:34
[INFO] [stdout]     |
[INFO] [stdout] 156 |     impl<S: Stream> Stream for ::std::panic::AssertUnwindSafe<S> {
[INFO] [stdout]     |                                  ^^^ could not find `std` in the list of imported crates
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]     |
[INFO] [stdout]   3 + use core::panic;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `panic`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 156 -     impl<S: Stream> Stream for ::std::panic::AssertUnwindSafe<S> {
[INFO] [stdout] 156 +     impl<S: Stream> Stream for panic::AssertUnwindSafe<S> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `local_waker`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-core-preview-0.3.0-alpha.6/src/task.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Waker, LocalWaker, UnsafeWake,
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #118959 <https://github.com/rust-lang/rust/issues/118959> for more information
[INFO] [stdout]   = help: add `#![feature(local_waker)]` to the crate attributes to enable
[INFO] [stdout]   = note: this compiler was built on 2025-11-13; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures-core-preview` (lib) due to 13 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c1026c15492f7666e576dd49a3fcc89e3c892f0757a44b2da2dfc0606a75ea0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1026c15492f7666e576dd49a3fcc89e3c892f0757a44b2da2dfc0606a75ea0c", kill_on_drop: false }`
[INFO] [stdout] c1026c15492f7666e576dd49a3fcc89e3c892f0757a44b2da2dfc0606a75ea0c
