[INFO] fetching crate till 0.0.1...
[INFO] testing till-0.0.1 against 1.75.0 for beta-1.76-1
[INFO] extracting crate till 0.0.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate till 0.0.1 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate till 0.0.1
[INFO] finished tweaking crates.io crate till 0.0.1
[INFO] tweaked toml for crates.io crate till 0.0.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2068c1eea049e0ea2e70f273abb79cf79fa9c0dc286641021eef463649e6a314
[INFO] running `Command { std: "docker" "start" "-a" "2068c1eea049e0ea2e70f273abb79cf79fa9c0dc286641021eef463649e6a314", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2068c1eea049e0ea2e70f273abb79cf79fa9c0dc286641021eef463649e6a314", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2068c1eea049e0ea2e70f273abb79cf79fa9c0dc286641021eef463649e6a314", kill_on_drop: false }`
[INFO] [stdout] 2068c1eea049e0ea2e70f273abb79cf79fa9c0dc286641021eef463649e6a314
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20fefd580544cb93d0889cb9c88aa0507e9d4e8ce7100108368023dbf1e06910
[INFO] running `Command { std: "docker" "start" "-a" "20fefd580544cb93d0889cb9c88aa0507e9d4e8ce7100108368023dbf1e06910", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling futures v0.3.30
[INFO] [stderr]    Compiling till v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `hint::unreachable_unchecked`, `sync::atomic::AtomicPtr`
[INFO] [stdout]   --> src/lib.rs:11:36
[INFO] [stdout]    |
[INFO] [stdout] 11 |     cell::RefCell, future::Future, hint::unreachable_unchecked, pin::Pin, sync::atomic::AtomicPtr,
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(waker_getters)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `till` (lib) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "20fefd580544cb93d0889cb9c88aa0507e9d4e8ce7100108368023dbf1e06910", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20fefd580544cb93d0889cb9c88aa0507e9d4e8ce7100108368023dbf1e06910", kill_on_drop: false }`
[INFO] [stdout] 20fefd580544cb93d0889cb9c88aa0507e9d4e8ce7100108368023dbf1e06910
[INFO] testing till-0.0.1 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate till 0.0.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate till 0.0.1 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate till 0.0.1
[INFO] finished tweaking crates.io crate till 0.0.1
[INFO] tweaked toml for crates.io crate till 0.0.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d36da8cfe157c2bc7df9b6e73602aec193d065588fafd199987db89cca05fc7
[INFO] running `Command { std: "docker" "start" "-a" "2d36da8cfe157c2bc7df9b6e73602aec193d065588fafd199987db89cca05fc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d36da8cfe157c2bc7df9b6e73602aec193d065588fafd199987db89cca05fc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d36da8cfe157c2bc7df9b6e73602aec193d065588fafd199987db89cca05fc7", kill_on_drop: false }`
[INFO] [stdout] 2d36da8cfe157c2bc7df9b6e73602aec193d065588fafd199987db89cca05fc7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02e8061898857439d54fb2cffc3a4bebcc84d927d18c559f21add0b130205e2c
[INFO] running `Command { std: "docker" "start" "-a" "02e8061898857439d54fb2cffc3a4bebcc84d927d18c559f21add0b130205e2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling futures v0.3.30
[INFO] [stderr]    Compiling till v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `hint::unreachable_unchecked`, `sync::atomic::AtomicPtr`
[INFO] [stdout]   --> src/lib.rs:11:36
[INFO] [stdout]    |
[INFO] [stdout] 11 |     cell::RefCell, future::Future, hint::unreachable_unchecked, pin::Pin, sync::atomic::AtomicPtr,
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(waker_getters)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `till` (lib) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "02e8061898857439d54fb2cffc3a4bebcc84d927d18c559f21add0b130205e2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02e8061898857439d54fb2cffc3a4bebcc84d927d18c559f21add0b130205e2c", kill_on_drop: false }`
[INFO] [stdout] 02e8061898857439d54fb2cffc3a4bebcc84d927d18c559f21add0b130205e2c
