[INFO] cloning repository https://github.com/lukaslihotzki/uc_pixelflood
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lukaslihotzki/uc_pixelflood" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukaslihotzki%2Fuc_pixelflood", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukaslihotzki%2Fuc_pixelflood'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 85e54ab3f2d84e07934b67f7e2a330880b7c5c43
[INFO] testing lukaslihotzki/uc_pixelflood against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukaslihotzki%2Fuc_pixelflood" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-1-tc1/source/.cargo/config
[INFO] removed /workspace/builds/worker-1-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/lukaslihotzki/uc_pixelflood
[INFO] finished tweaking git repo https://github.com/lukaslihotzki/uc_pixelflood
[INFO] tweaked toml for git repo https://github.com/lukaslihotzki/uc_pixelflood written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lukaslihotzki/uc_pixelflood on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lukaslihotzki/uc_pixelflood 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/rust-embedded/cortex-m-rt.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/rust-lang-nursery/futures-rs.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded spin v0.4.10
[INFO] [stderr]   Downloaded aligned v0.2.0
[INFO] [stderr]   Downloaded volatile v0.2.6
[INFO] [stderr]   Downloaded bare-metal v0.2.4
[INFO] [stderr]   Downloaded volatile-register v0.1.2
[INFO] [stderr]   Downloaded managed v0.7.1
[INFO] [stderr]   Downloaded pin-utils v0.1.0-alpha.4
[INFO] [stderr]   Downloaded cortex-m v0.1.8
[INFO] [stderr]   Downloaded linked_list_allocator v0.6.3
[INFO] [stderr]   Downloaded font8x8 v0.2.4
[INFO] [stderr]   Downloaded alloc-cortex-m v0.3.5
[INFO] [stderr]   Downloaded nb v0.1.1
[INFO] [stderr]   Downloaded embedded-hal v0.2.2
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.4
[INFO] [stderr]   Downloaded rand v0.5.6
[INFO] [stderr]   Downloaded bit_field v0.9.0
[INFO] [stderr]   Downloaded cortex-m-semihosting v0.3.2
[INFO] [stderr]   Downloaded proc-macro-nested v0.1.3
[INFO] [stderr]   Downloaded cortex-m v0.5.8
[INFO] [stderr]   Downloaded vcell v0.1.0
[INFO] [stderr]   Downloaded stm32f7 v0.3.2
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37d27d88c5f2a21de186a64493419f484b3acfd18059adc11bf7cf3d5e971ff2
[INFO] running `Command { std: "docker" "start" "-a" "37d27d88c5f2a21de186a64493419f484b3acfd18059adc11bf7cf3d5e971ff2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37d27d88c5f2a21de186a64493419f484b3acfd18059adc11bf7cf3d5e971ff2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37d27d88c5f2a21de186a64493419f484b3acfd18059adc11bf7cf3d5e971ff2", kill_on_drop: false }`
[INFO] [stdout] 37d27d88c5f2a21de186a64493419f484b3acfd18059adc11bf7cf3d5e971ff2
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd469fd4c3f5089c2c14daf1eeb6e8604e7fd5dca9c9de66f82ee8356326de68
[INFO] running `Command { std: "docker" "start" "-a" "cd469fd4c3f5089c2c14daf1eeb6e8604e7fd5dca9c9de66f82ee8356326de68", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.13 (https://github.com/rust-lang-nursery/futures-rs.git#6e96a856)
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling vcell v0.1.0
[INFO] [stderr]    Compiling cortex-m v0.5.8
[INFO] [stderr]    Compiling either v1.5.1
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling cortex-m-rt v0.6.7 (https://github.com/rust-embedded/cortex-m-rt.git#989922dd)
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling aligned v0.2.0
[INFO] [stderr]    Compiling stm32f7 v0.3.2
[INFO] [stderr]    Compiling r0 v0.2.2
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stdout] error[E0053]: method `poll` has an incompatible type for trait
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/futures-rs-afc9a037a3e59831/6e96a85/futures-core/src/future/future_obj.rs:64:42
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn poll(self: Pin<&mut Self>, waker: &Waker) -> Poll<T> {
[INFO] [stdout]    |                                          ^^^^^^ types differ in mutability
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected signature `fn(core::pin::Pin<&mut future_obj::LocalFutureObj<'_, _>>, &mut Context<'_>) -> core::task::Poll<_>`
[INFO] [stdout]               found signature `fn(core::pin::Pin<&mut future_obj::LocalFutureObj<'_, _>>, &core::task::Waker) -> core::task::Poll<_>`
[INFO] [stdout] help: change the parameter type to match the trait
[INFO] [stdout]    |
[INFO] [stdout] 64 -     fn poll(self: Pin<&mut Self>, waker: &Waker) -> Poll<T> {
[INFO] [stdout] 64 +     fn poll(self: Pin<&mut Self>, waker: &mut Context<'_>) -> Poll<T> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0053]: method `poll` has an incompatible type for trait
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/futures-rs-afc9a037a3e59831/6e96a85/futures-core/src/future/future_obj.rs:114:42
[INFO] [stdout]     |
[INFO] [stdout] 114 |     fn poll(self: Pin<&mut Self>, waker: &Waker) -> Poll<T> {
[INFO] [stdout]     |                                          ^^^^^^ types differ in mutability
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected signature `fn(core::pin::Pin<&mut future_obj::FutureObj<'_, _>>, &mut Context<'_>) -> core::task::Poll<_>`
[INFO] [stdout]                found signature `fn(core::pin::Pin<&mut future_obj::FutureObj<'_, _>>, &core::task::Waker) -> core::task::Poll<_>`
[INFO] [stdout] help: change the parameter type to match the trait
[INFO] [stdout]     |
[INFO] [stdout] 114 -     fn poll(self: Pin<&mut Self>, waker: &Waker) -> Poll<T> {
[INFO] [stdout] 114 +     fn poll(self: Pin<&mut Self>, waker: &mut Context<'_>) -> Poll<T> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/futures-rs-afc9a037a3e59831/6e96a85/futures-core/src/future/future_obj.rs:118:44
[INFO] [stdout]     |
[INFO] [stdout] 118 |         LocalFutureObj::poll(pinned_field, waker)
[INFO] [stdout]     |         --------------------               ^^^^^ types differ in mutability
[INFO] [stdout]     |         |
[INFO] [stdout]     |         arguments to this function are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected mutable reference `&mut Context<'_>`
[INFO] [stdout]                        found reference `&core::task::Waker`
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/future/future.rs:113:7
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/futures-rs-afc9a037a3e59831/6e96a85/futures-core/src/future/future_obj.rs:165:20
[INFO] [stdout]     |
[INFO] [stdout] 165 |         F::poll(p, waker)
[INFO] [stdout]     |         -------    ^^^^^ types differ in mutability
[INFO] [stdout]     |         |
[INFO] [stdout]     |         arguments to this function are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected mutable reference `&mut Context<'_>`
[INFO] [stdout]                        found reference `&core::task::Waker`
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/future/future.rs:113:7
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/futures-rs-afc9a037a3e59831/6e96a85/futures-core/src/future/future_obj.rs:182:25
[INFO] [stdout]     |
[INFO] [stdout] 182 |         F::poll(future, waker)
[INFO] [stdout]     |         -------         ^^^^^ types differ in mutability
[INFO] [stdout]     |         |
[INFO] [stdout]     |         arguments to this function are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected mutable reference `&mut Context<'_>`
[INFO] [stdout]                        found reference `&core::task::Waker`
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/future/future.rs:113:7
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/futures-rs-afc9a037a3e59831/6e96a85/futures-core/src/future/future_obj.rs:204:26
[INFO] [stdout]     |
[INFO] [stdout] 204 |             F::poll(pin, waker)
[INFO] [stdout]     |             -------      ^^^^^ types differ in mutability
[INFO] [stdout]     |             |
[INFO] [stdout]     |             arguments to this function are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected mutable reference `&mut Context<'_>`
[INFO] [stdout]                        found reference `&core::task::Waker`
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/future/future.rs:113:7
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/futures-rs-afc9a037a3e59831/6e96a85/futures-core/src/future/future_obj.rs:226:26
[INFO] [stdout]     |
[INFO] [stdout] 226 |             F::poll(pin, waker)
[INFO] [stdout]     |             -------      ^^^^^ types differ in mutability
[INFO] [stdout]     |             |
[INFO] [stdout]     |             arguments to this function are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected mutable reference `&mut Context<'_>`
[INFO] [stdout]                        found reference `&core::task::Waker`
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/future/future.rs:113:7
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling volatile-register v0.2.0
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/futures-rs-afc9a037a3e59831/6e96a85/futures-core/src/future/mod.rs:89:19
[INFO] [stdout]    |
[INFO] [stdout] 89 |         self.poll(waker)
[INFO] [stdout]    |              ---- ^^^^^ types differ in mutability
[INFO] [stdout]    |              |
[INFO] [stdout]    |              arguments to this method are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected mutable reference `&mut Context<'_>`
[INFO] [stdout]                       found reference `&core::task::Waker`
[INFO] [stdout] note: method defined here
[INFO] [stdout]   --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/future/future.rs:113:7
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0507]: cannot move out of `*waker` which is behind a shared reference
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/futures-rs-afc9a037a3e59831/6e96a85/futures-core/src/task/__internal/atomic_waker.rs:244:17
[INFO] [stdout]     |
[INFO] [stdout] 244 |                 waker.wake();
[INFO] [stdout]     |                 ^^^^^ ------ `*waker` moved due to this method call
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 move occurs because `*waker` has type `core::task::Waker`, which does not implement the `Copy` trait
[INFO] [stdout]     |
[INFO] [stdout] note: `core::task::Waker::wake` takes ownership of the receiver `self`, which moves `*waker`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/task/wake.rs:438:16
[INFO] [stdout] help: you can `clone` the value and consume it, but this might not be your desired behavior
[INFO] [stdout]     |
[INFO] [stdout] 244 |                 <core::task::Waker as Clone>::clone(&waker).wake();
[INFO] [stdout]     |                 +++++++++++++++++++++++++++++++++++++     +
[INFO] [stdout] help: consider cloning the value if the performance cost is acceptable
[INFO] [stdout]     |
[INFO] [stdout] 244 |                 waker.clone().wake();
[INFO] [stdout]     |                      ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0053, E0308, E0507.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0053`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures-core-preview` (lib) due to 9 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "cd469fd4c3f5089c2c14daf1eeb6e8604e7fd5dca9c9de66f82ee8356326de68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd469fd4c3f5089c2c14daf1eeb6e8604e7fd5dca9c9de66f82ee8356326de68", kill_on_drop: false }`
[INFO] [stdout] cd469fd4c3f5089c2c14daf1eeb6e8604e7fd5dca9c9de66f82ee8356326de68
