[INFO] cloning repository https://github.com/itzArka1407/UltimateBufferQueue
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/itzArka1407/UltimateBufferQueue" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FitzArka1407%2FUltimateBufferQueue", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bd0103a5a9abc87572408a7948319e87ff17732b
[INFO] checking itzArka1407/UltimateBufferQueue against f4dd856795debe636f2ba39a900f162f5abeb7e8 for pr-160904
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FitzArka1407%2FUltimateBufferQueue" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/itzArka1407/UltimateBufferQueue
[INFO] finished tweaking git repo https://github.com/itzArka1407/UltimateBufferQueue
[INFO] tweaked toml for git repo https://github.com/itzArka1407/UltimateBufferQueue written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/itzArka1407/UltimateBufferQueue on toolchain f4dd856795debe636f2ba39a900f162f5abeb7e8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f4dd856795debe636f2ba39a900f162f5abeb7e8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/itzArka1407/UltimateBufferQueue 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" "+f4dd856795debe636f2ba39a900f162f5abeb7e8" "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-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "a70476f25bc4f9044175cc6540462214bb9b349b9336e180d0d69d63a05bb4c3", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a70476f25bc4f9044175cc6540462214bb9b349b9336e180d0d69d63a05bb4c3" "/opt/rustwide/cargo-home/bin/cargo" "+f4dd856795debe636f2ba39a900f162f5abeb7e8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a70476f25bc4f9044175cc6540462214bb9b349b9336e180d0d69d63a05bb4c3", kill_on_drop: false }`
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[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling unicode-ident v1.0.24
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[INFO] [stdout] warning: `feature(generic_const_exprs)` is not supported with the next-generation trait solver
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(generic_const_exprs)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `-Znext-solver=globally` is currently enabled by default for testing
[INFO] [stdout]   = note: reverted the setting to `-Znext-solver=coherence` for this crate
[INFO] [stdout]   = note: the currently stable trait solver will be used for this crate
[INFO] [stdout]   = note: see issues #160895 <https://github.com/rust-lang/rust/issues/160895> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking half v2.7.1
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking criterion v0.8.2
[INFO] [stdout] warning: `feature(generic_const_exprs)` is not supported with the next-generation trait solver
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(generic_const_exprs)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `-Znext-solver=globally` is currently enabled by default for testing
[INFO] [stdout]   = note: reverted the setting to `-Znext-solver=coherence` for this crate
[INFO] [stdout]   = note: the currently stable trait solver will be used for this crate
[INFO] [stdout]   = note: see issues #160895 <https://github.com/rust-lang/rust/issues/160895> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed
[INFO] [stdout]   --> src/models/constructor.rs:68:1
[INFO] [stdout]    |
[INFO] [stdout] 68 | / pub fn mpsc_channel<T, const N: usize>() -> (MpscSender<T, N>, MpscReceiver<T, N>)
[INFO] [stdout] 69 | | where
[INFO] [stdout] 70 | |     [(); determine_flag_size(N, 8)]: Sized,
[INFO] [stdout] 71 | |     MarkerTypeDecider<{ determine_marker_type_index(N) }>: MarkerData,
[INFO] [stdout]    | |______________________________________________________________________^ cannot infer the value of the constant `_`
[INFO] [stdout]    |
[INFO] [stdout]    = note: cannot satisfy `mpsc_channel<T, N>::{constant#1} == _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed
[INFO] [stdout]    --> src/models/sending_receiving_opns.rs:125:5
[INFO] [stdout]     |
[INFO] [stdout] 125 |     pub fn send(&self, val: T) -> MpscSendFuture<'_, T, N> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer the value of the constant `_`
[INFO] [stdout]     |
[INFO] [stdout]     = note: cannot satisfy `sending_receiving_opns::<impl MpscSender<T, N>>::{constant#1} == _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed
[INFO] [stdout]    --> src/models/sending_receiving_opns.rs:147:5
[INFO] [stdout]     |
[INFO] [stdout] 147 |     pub fn recv(&self) -> MpscRecvFuture<'_, T, N> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer the value of the constant `_`
[INFO] [stdout]     |
[INFO] [stdout]     = note: cannot satisfy `sending_receiving_opns::<impl MpscReceiver<T, N>>::{constant#1} == _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed
[INFO] [stdout]   --> src/models/senders_receivers.rs:51:1
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub struct MpscSender<T, const N: usize>
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer the value of the constant `_`
[INFO] [stdout]    |
[INFO] [stdout]    = note: cannot satisfy `MpscSender<T, N>::{constant#1} == _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed
[INFO] [stdout]   --> src/models/senders_receivers.rs:60:1
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub struct MpscReceiver<T, const N: usize>
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer the value of the constant `_`
[INFO] [stdout]    |
[INFO] [stdout]    = note: cannot satisfy `MpscReceiver<T, N>::{constant#1} == _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed
[INFO] [stdout]   --> src/models/channels.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct MpscChannel<T, const N: usize>
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer the value of the constant `_`
[INFO] [stdout]    |
[INFO] [stdout]    = note: cannot satisfy `models::channels::MpscChannel<T, N>::{constant#1} == _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed
[INFO] [stdout]   --> src/models/main_buffer.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct BufferQueue<T, Mode: BufferMode, const N: usize>
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer the value of the constant `_`
[INFO] [stdout]    |
[INFO] [stdout]    = note: cannot satisfy `BufferQueue<T, Mode, N>::{constant#1} == _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed
[INFO] [stdout]   --> src/models/send_recv_futures.rs:30:1
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct MpscSendFuture<'a, T, const N: usize>
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer the value of the constant `_`
[INFO] [stdout]    |
[INFO] [stdout]    = note: cannot satisfy `models::send_recv_futures::MpscSendFuture<'a, T, N>::{constant#1} == _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed
[INFO] [stdout]   --> src/models/send_recv_futures.rs:64:1
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub struct MpscRecvFuture<'a, T, const N: usize>
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer the value of the constant `_`
[INFO] [stdout]    |
[INFO] [stdout]    = note: cannot satisfy `models::send_recv_futures::MpscRecvFuture<'a, T, N>::{constant#1} == _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed
[INFO] [stdout]   --> src/models/constructor.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | / pub fn spsc_channel<T, const N: usize>() -> (SpscSender<T, N>, SpscReceiver<T, N>)
[INFO] [stdout] 24 | | where
[INFO] [stdout] 25 | |     [(); determine_flag_size(N, 8)]: Sized,
[INFO] [stdout] 26 | |     MarkerTypeDecider<{ determine_marker_type_index(N) }>: MarkerData,
[INFO] [stdout]    | |______________________________________________________________________^ cannot infer the value of the constant `_`
[INFO] [stdout]    |
[INFO] [stdout]    = note: cannot satisfy `spsc_channel<T, N>::{constant#1} == _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed
[INFO] [stdout]   --> src/models/sending_receiving_opns.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn send(&self, val: T) -> SpscSendFuture<'_, T, N> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer the value of the constant `_`
[INFO] [stdout]    |
[INFO] [stdout]    = note: cannot satisfy `sending_receiving_opns::<impl SpscSender<T, N>>::{constant#1} == _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed
[INFO] [stdout]   --> src/models/sending_receiving_opns.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn recv(&self) -> SpscRecvFuture<'_, T, N> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer the value of the constant `_`
[INFO] [stdout]    |
[INFO] [stdout]    = note: cannot satisfy `sending_receiving_opns::<impl SpscReceiver<T, N>>::{constant#1} == _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed
[INFO] [stdout]   --> src/models/senders_receivers.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct SpscSender<T, const N: usize>
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer the value of the constant `_`
[INFO] [stdout]    |
[INFO] [stdout]    = note: cannot satisfy `SpscSender<T, N>::{constant#1} == _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed
[INFO] [stdout]   --> src/models/senders_receivers.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct SpscReceiver<T, const N: usize>
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer the value of the constant `_`
[INFO] [stdout]    |
[INFO] [stdout]    = note: cannot satisfy `SpscReceiver<T, N>::{constant#1} == _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed
[INFO] [stdout]   --> src/models/channels.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct SpscChannel<T, const N: usize>
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer the value of the constant `_`
[INFO] [stdout]    |
[INFO] [stdout]    = note: cannot satisfy `models::channels::SpscChannel<T, N>::{constant#1} == _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed
[INFO] [stdout]   --> src/models/send_recv_futures.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct SpscSendFuture<'a, T, const N: usize>
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer the value of the constant `_`
[INFO] [stdout]    |
[INFO] [stdout]    = note: cannot satisfy `models::send_recv_futures::SpscSendFuture<'a, T, N>::{constant#1} == _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed
[INFO] [stdout]   --> src/models/send_recv_futures.rs:48:1
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub struct SpscRecvFuture<'a, T, const N: usize>
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer the value of the constant `_`
[INFO] [stdout]    |
[INFO] [stdout]    = note: cannot satisfy `models::send_recv_futures::SpscRecvFuture<'a, T, N>::{constant#1} == _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed
[INFO] [stdout]    --> src/models/sending_receiving_opns.rs:116:5
[INFO] [stdout]     |
[INFO] [stdout] 116 |     pub fn try_send(&self, val: T) -> Result<(), T> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer the value of the constant `_`
[INFO] [stdout]     |
[INFO] [stdout]     = note: cannot satisfy `sending_receiving_opns::<impl MpscSender<T, N>>::{constant#1} == _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed
[INFO] [stdout]    --> src/models/sending_receiving_opns.rs:140:5
[INFO] [stdout]     |
[INFO] [stdout] 140 |     pub fn try_recv(&self) -> Option<T> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer the value of the constant `_`
[INFO] [stdout]     |
[INFO] [stdout]     = note: cannot satisfy `sending_receiving_opns::<impl MpscReceiver<T, N>>::{constant#1} == _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0284`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `buffer-queue` (bench "comparison") due to 19 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a70476f25bc4f9044175cc6540462214bb9b349b9336e180d0d69d63a05bb4c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a70476f25bc4f9044175cc6540462214bb9b349b9336e180d0d69d63a05bb4c3", kill_on_drop: false }`
[INFO] [stdout] a70476f25bc4f9044175cc6540462214bb9b349b9336e180d0d69d63a05bb4c3
