[INFO] cloning repository https://github.com/zetanumbers/effects_experiment
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zetanumbers/effects_experiment" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzetanumbers%2Feffects_experiment", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzetanumbers%2Feffects_experiment'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9f00f870287c1f0afd5aac0492d110ae1486d52c
[INFO] testing zetanumbers/effects_experiment against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzetanumbers%2Feffects_experiment" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/zetanumbers/effects_experiment
[INFO] finished tweaking git repo https://github.com/zetanumbers/effects_experiment
[INFO] tweaked toml for git repo https://github.com/zetanumbers/effects_experiment written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/zetanumbers/effects_experiment on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/zetanumbers/effects_experiment 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c3c40b513875b104f52b77ebc637c9112ec6a23c60c51f2373f3e2b9fb972ac
[INFO] running `Command { std: "docker" "start" "-a" "6c3c40b513875b104f52b77ebc637c9112ec6a23c60c51f2373f3e2b9fb972ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c3c40b513875b104f52b77ebc637c9112ec6a23c60c51f2373f3e2b9fb972ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c3c40b513875b104f52b77ebc637c9112ec6a23c60c51f2373f3e2b9fb972ac", kill_on_drop: false }`
[INFO] [stdout] 6c3c40b513875b104f52b77ebc637c9112ec6a23c60c51f2373f3e2b9fb972ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2cf7af9d3cd02a678368b006dac5a0af48eb0d8e6aa7eea8c940c7c4ab22a5ee
[INFO] running `Command { std: "docker" "start" "-a" "2cf7af9d3cd02a678368b006dac5a0af48eb0d8e6aa7eea8c940c7c4ab22a5ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling effects v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `ready_into_inner` has been stable since 1.82.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(ready_into_inner, try_trait_v2)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `<Self as Lender>::Lend<'_>` is not a future
[INFO] [stdout]   --> src/lending_iterator.rs:32:24
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn release_lend(x: <Self::Lend<'_> as IntoFuture>::Output) -> Self::Released;
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `<Self as Lender>::Lend<'_>` is not a future
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `core::future::Future` is not implemented for `<Self as Lender>::Lend<'_>`
[INFO] [stdout]    = note: required for `<Self as Lender>::Lend<'_>` to implement `core::future::IntoFuture`
[INFO] [stdout] help: consider further restricting the associated type
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn release_lend(x: <Self::Lend<'_> as IntoFuture>::Output) -> Self::Released where <Self as Lender>::Lend<'_>: core::future::Future;
[INFO] [stdout]    |                                                                                  ++++++++++++++++++++++++++++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `effects` (lib) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "2cf7af9d3cd02a678368b006dac5a0af48eb0d8e6aa7eea8c940c7c4ab22a5ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cf7af9d3cd02a678368b006dac5a0af48eb0d8e6aa7eea8c940c7c4ab22a5ee", kill_on_drop: false }`
[INFO] [stdout] 2cf7af9d3cd02a678368b006dac5a0af48eb0d8e6aa7eea8c940c7c4ab22a5ee