[INFO] fetching crate till 0.0.1...
[INFO] testing till-0.0.1 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate till 0.0.1 into /workspace/builds/worker-1-tc1/source
[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-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate till 0.0.1 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a0c8d1dd33df2e868940c5d78af4949f4a9f83e36dc2940b65ba996315e6d89
[INFO] running `Command { std: "docker" "start" "-a" "6a0c8d1dd33df2e868940c5d78af4949f4a9f83e36dc2940b65ba996315e6d89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a0c8d1dd33df2e868940c5d78af4949f4a9f83e36dc2940b65ba996315e6d89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a0c8d1dd33df2e868940c5d78af4949f4a9f83e36dc2940b65ba996315e6d89", kill_on_drop: false }`
[INFO] [stdout] 6a0c8d1dd33df2e868940c5d78af4949f4a9f83e36dc2940b65ba996315e6d89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e615ba56cace0e1a20a806622541e50eaf965f01252426734f6537ec1be1073a
[INFO] running `Command { std: "docker" "start" "-a" "e615ba56cace0e1a20a806622541e50eaf965f01252426734f6537ec1be1073a", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.32
[INFO] [stderr]    Compiling futures-sink v0.3.32
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling futures-task v0.3.32
[INFO] [stderr]    Compiling futures-io v0.3.32
[INFO] [stderr]    Compiling futures-channel v0.3.32
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling futures v0.3.32
[INFO] [stderr]    Compiling pin-project-internal v1.1.11
[INFO] [stderr]    Compiling pin-project v1.1.11
[INFO] [stderr]    Compiling till v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `hint::unreachable_unchecked` and `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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `waker_getters` has been stable since 1.83.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(waker_getters)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `as_raw` found for struct `Waker` in the current scope
[INFO] [stdout]   --> src/lib.rs:21:25
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let raw = waker.as_raw();
[INFO] [stdout]    |                         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `as_ref` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 21 -         let raw = waker.as_raw();
[INFO] [stdout] 21 +         let raw = waker.as_ref();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source`
[INFO] [stdout]    --> src/impls/no_heap.rs:151:38
[INFO] [stdout]     |
[INFO] [stdout] 151 |     unsafe fn register_source(&self, source: *mut dyn crate::EventSource) -> Option<Self::Id> {
[INFO] [stdout]     |                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/impls/no_heap.rs:155:33
[INFO] [stdout]     |
[INFO] [stdout] 155 |     fn unregister_source(&self, id: Self::Id) {
[INFO] [stdout]     |                                 ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/lib.rs:217:18
[INFO] [stdout]     |
[INFO] [stdout] 217 |             for (i, (mut task, marshall)) in
[INFO] [stdout]     |                  ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `till` (lib) due to 1 previous error; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "e615ba56cace0e1a20a806622541e50eaf965f01252426734f6537ec1be1073a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e615ba56cace0e1a20a806622541e50eaf965f01252426734f6537ec1be1073a", kill_on_drop: false }`
[INFO] [stdout] e615ba56cace0e1a20a806622541e50eaf965f01252426734f6537ec1be1073a