[INFO] fetching crate fifo 0.2.0...
[INFO] checking fifo-0.2.0 against master#158f00a1c5175648af6f6099b075f78d1d014a28 for pr-121251
[INFO] extracting crate fifo 0.2.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate fifo 0.2.0 on toolchain 158f00a1c5175648af6f6099b075f78d1d014a28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fifo 0.2.0
[INFO] finished tweaking crates.io crate fifo 0.2.0
[INFO] tweaked toml for crates.io crate fifo 0.2.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f5bc09ba44a365fca7b6848450c5ec8f216af99c17e6eb76a8a65127bb48107a
[INFO] running `Command { std: "docker" "start" "-a" "f5bc09ba44a365fca7b6848450c5ec8f216af99c17e6eb76a8a65127bb48107a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5bc09ba44a365fca7b6848450c5ec8f216af99c17e6eb76a8a65127bb48107a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5bc09ba44a365fca7b6848450c5ec8f216af99c17e6eb76a8a65127bb48107a", kill_on_drop: false }`
[INFO] [stdout] f5bc09ba44a365fca7b6848450c5ec8f216af99c17e6eb76a8a65127bb48107a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4acf9bbdbef8e799ba7cd9cfd7ac38be44e8ba464fb868b893daef95817fb43
[INFO] running `Command { std: "docker" "start" "-a" "f4acf9bbdbef8e799ba7cd9cfd7ac38be44e8ba464fb868b893daef95817fb43", kill_on_drop: false }`
[INFO] [stderr]     Checking fifo v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> src/lib.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | #![feature(optin_builtin_traits)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: renamed to `auto_traits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> src/lib.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | #![feature(optin_builtin_traits)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: renamed to `auto_traits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `alloc::heap`
[INFO] [stdout]   --> src/lib.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | use alloc::heap;
[INFO] [stdout]    |     ^^^^^^^^^^^ no `heap` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `alloc::heap`
[INFO] [stdout]   --> src/lib.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | use alloc::heap;
[INFO] [stdout]    |     ^^^^^^^^^^^ no `heap` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stdout]    --> src/lib.rs:118:6
[INFO] [stdout]     |
[INFO] [stdout] 118 | impl !Sync for Sender {}
[INFO] [stdout]     |      ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout]     = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-02-18; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stdout]    --> src/lib.rs:119:6
[INFO] [stdout]     |
[INFO] [stdout] 119 | impl !Sync for Receiver {}
[INFO] [stdout]     |      ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout]     = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-02-18; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stdout]    --> src/lib.rs:118:6
[INFO] [stdout]     |
[INFO] [stdout] 118 | impl !Sync for Sender {}
[INFO] [stdout]     |      ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout]     = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-02-18; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stdout]    --> src/lib.rs:119:6
[INFO] [stdout]     |
[INFO] [stdout] 119 | impl !Sync for Receiver {}
[INFO] [stdout]     |      ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout]     = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-02-18; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `alloc` has been stable since 1.36.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | #![feature(alloc, heap_api)]
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `heap_api`
[INFO] [stdout]   --> src/lib.rs:21:19
[INFO] [stdout]    |
[INFO] [stdout] 21 | #![feature(alloc, heap_api)]
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `alloc` has been stable since 1.36.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | #![feature(alloc, heap_api)]
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `heap_api`
[INFO] [stdout]   --> src/lib.rs:21:19
[INFO] [stdout]    |
[INFO] [stdout] 21 | #![feature(alloc, heap_api)]
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0557, E0635, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0557, E0635, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fifo` (lib) due to 6 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `fifo` (lib test) due to 6 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "f4acf9bbdbef8e799ba7cd9cfd7ac38be44e8ba464fb868b893daef95817fb43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4acf9bbdbef8e799ba7cd9cfd7ac38be44e8ba464fb868b893daef95817fb43", kill_on_drop: false }`
[INFO] [stdout] f4acf9bbdbef8e799ba7cd9cfd7ac38be44e8ba464fb868b893daef95817fb43
[INFO] checking fifo-0.2.0 against try#b4fc5dbf0bc33be331f9d893db5b3a794f29724a+rustflags=-Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds for pr-121251
[INFO] extracting crate fifo 0.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate fifo 0.2.0 on toolchain b4fc5dbf0bc33be331f9d893db5b3a794f29724a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fifo 0.2.0
[INFO] finished tweaking crates.io crate fifo 0.2.0
[INFO] tweaked toml for crates.io crate fifo 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8978fa78cd7d84796b9792e7bb7f4b2ac2141b0836f8371c47c8ad10b88a027
[INFO] running `Command { std: "docker" "start" "-a" "d8978fa78cd7d84796b9792e7bb7f4b2ac2141b0836f8371c47c8ad10b88a027", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8978fa78cd7d84796b9792e7bb7f4b2ac2141b0836f8371c47c8ad10b88a027", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8978fa78cd7d84796b9792e7bb7f4b2ac2141b0836f8371c47c8ad10b88a027", kill_on_drop: false }`
[INFO] [stdout] d8978fa78cd7d84796b9792e7bb7f4b2ac2141b0836f8371c47c8ad10b88a027
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 145744cb52444860de07d50667f3d3a52ddbbbc7cb5592cfeae5941a9960713a
[INFO] running `Command { std: "docker" "start" "-a" "145744cb52444860de07d50667f3d3a52ddbbbc7cb5592cfeae5941a9960713a", kill_on_drop: false }`
[INFO] [stderr]     Checking fifo v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> src/lib.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | #![feature(optin_builtin_traits)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: renamed to `auto_traits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> src/lib.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | #![feature(optin_builtin_traits)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: renamed to `auto_traits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `alloc::heap`
[INFO] [stdout]   --> src/lib.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | use alloc::heap;
[INFO] [stdout]    |     ^^^^^^^^^^^ no `heap` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stdout]    --> src/lib.rs:118:6
[INFO] [stdout]     |
[INFO] [stdout] 118 | impl !Sync for Sender {}
[INFO] [stdout]     |      ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout]     = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-02-18; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stdout]    --> src/lib.rs:119:6
[INFO] [stdout]     |
[INFO] [stdout] 119 | impl !Sync for Receiver {}
[INFO] [stdout]     |      ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout]     = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-02-18; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/splice.rs:32:52
[INFO] [stdout]    |
[INFO] [stdout] 32 |             let mut total_bytes = r.read(&mut dest[start_pos..(start_pos+len_to_write_1)])?;
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-W range-syntax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `alloc::heap`
[INFO] [stdout]   --> src/lib.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | use alloc::heap;
[INFO] [stdout]    |     ^^^^^^^^^^^ no `heap` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/splice.rs:34:49
[INFO] [stdout]    |
[INFO] [stdout] 34 |                 total_bytes += r.read(&mut dest[0..len_to_write_2])?;
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/splice.rs:66:48
[INFO] [stdout]    |
[INFO] [stdout] 66 |             let mut total_bytes = w.write(&src[start_pos..(start_pos+len_to_read_1)])?;
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/splice.rs:68:45
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 total_bytes += w.write(&src[0..len_to_read_2])?;
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/lib.rs:183:18
[INFO] [stdout]     |
[INFO] [stdout] 183 |             dest[start_pos..(start_pos+len_to_write_1)].copy_from_slice(&bytes[0..len_to_write_1]);
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/lib.rs:183:80
[INFO] [stdout]     |
[INFO] [stdout] 183 |             dest[start_pos..(start_pos+len_to_write_1)].copy_from_slice(&bytes[0..len_to_write_1]);
[INFO] [stdout]     |                                                                                ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/lib.rs:184:18
[INFO] [stdout]     |
[INFO] [stdout] 184 |             dest[0..len_to_write_2].copy_from_slice(&bytes[len_to_write_1..avaliable]);
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/lib.rs:184:60
[INFO] [stdout]     |
[INFO] [stdout] 184 |             dest[0..len_to_write_2].copy_from_slice(&bytes[len_to_write_1..avaliable]);
[INFO] [stdout]     |                                                            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/lib.rs:238:19
[INFO] [stdout]     |
[INFO] [stdout] 238 |             bytes[0..len_to_read_1].copy_from_slice(&src[start_pos..(start_pos+len_to_read_1)]); 
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/lib.rs:238:58
[INFO] [stdout]     |
[INFO] [stdout] 238 |             bytes[0..len_to_read_1].copy_from_slice(&src[start_pos..(start_pos+len_to_read_1)]); 
[INFO] [stdout]     |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/lib.rs:239:19
[INFO] [stdout]     |
[INFO] [stdout] 239 |             bytes[len_to_read_1..avaliable].copy_from_slice(&src[0..len_to_read_2]);
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/lib.rs:239:66
[INFO] [stdout]     |
[INFO] [stdout] 239 |             bytes[len_to_read_1..avaliable].copy_from_slice(&src[0..len_to_read_2]);
[INFO] [stdout]     |                                                                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stdout]    --> src/lib.rs:118:6
[INFO] [stdout]     |
[INFO] [stdout] 118 | impl !Sync for Sender {}
[INFO] [stdout]     |      ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout]     = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-02-18; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stdout]    --> src/lib.rs:119:6
[INFO] [stdout]     |
[INFO] [stdout] 119 | impl !Sync for Receiver {}
[INFO] [stdout]     |      ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout]     = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-02-18; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/splice.rs:32:52
[INFO] [stdout]    |
[INFO] [stdout] 32 |             let mut total_bytes = r.read(&mut dest[start_pos..(start_pos+len_to_write_1)])?;
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-W range-syntax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/splice.rs:34:49
[INFO] [stdout]    |
[INFO] [stdout] 34 |                 total_bytes += r.read(&mut dest[0..len_to_write_2])?;
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/splice.rs:66:48
[INFO] [stdout]    |
[INFO] [stdout] 66 |             let mut total_bytes = w.write(&src[start_pos..(start_pos+len_to_read_1)])?;
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/splice.rs:68:45
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 total_bytes += w.write(&src[0..len_to_read_2])?;
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/lib.rs:183:18
[INFO] [stdout]     |
[INFO] [stdout] 183 |             dest[start_pos..(start_pos+len_to_write_1)].copy_from_slice(&bytes[0..len_to_write_1]);
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/lib.rs:183:80
[INFO] [stdout]     |
[INFO] [stdout] 183 |             dest[start_pos..(start_pos+len_to_write_1)].copy_from_slice(&bytes[0..len_to_write_1]);
[INFO] [stdout]     |                                                                                ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/lib.rs:184:18
[INFO] [stdout]     |
[INFO] [stdout] 184 |             dest[0..len_to_write_2].copy_from_slice(&bytes[len_to_write_1..avaliable]);
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/lib.rs:184:60
[INFO] [stdout]     |
[INFO] [stdout] 184 |             dest[0..len_to_write_2].copy_from_slice(&bytes[len_to_write_1..avaliable]);
[INFO] [stdout]     |                                                            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/lib.rs:238:19
[INFO] [stdout]     |
[INFO] [stdout] 238 |             bytes[0..len_to_read_1].copy_from_slice(&src[start_pos..(start_pos+len_to_read_1)]); 
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/lib.rs:238:58
[INFO] [stdout]     |
[INFO] [stdout] 238 |             bytes[0..len_to_read_1].copy_from_slice(&src[start_pos..(start_pos+len_to_read_1)]); 
[INFO] [stdout]     |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/lib.rs:239:19
[INFO] [stdout]     |
[INFO] [stdout] 239 |             bytes[len_to_read_1..avaliable].copy_from_slice(&src[0..len_to_read_2]);
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/lib.rs:239:66
[INFO] [stdout]     |
[INFO] [stdout] 239 |             bytes[len_to_read_1..avaliable].copy_from_slice(&src[0..len_to_read_2]);
[INFO] [stdout]     |                                                                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `alloc` has been stable since 1.36.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | #![feature(alloc, heap_api)]
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `heap_api`
[INFO] [stdout]   --> src/lib.rs:21:19
[INFO] [stdout]    |
[INFO] [stdout] 21 | #![feature(alloc, heap_api)]
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `alloc` has been stable since 1.36.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | #![feature(alloc, heap_api)]
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `heap_api`
[INFO] [stdout]   --> src/lib.rs:21:19
[INFO] [stdout]    |
[INFO] [stdout] 21 | #![feature(alloc, heap_api)]
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors; 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0557, E0635, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors; 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0557, E0635, E0658.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fifo` (lib) due to 6 previous errors; 13 warnings emitted
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `fifo` (lib test) due to 6 previous errors; 13 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "145744cb52444860de07d50667f3d3a52ddbbbc7cb5592cfeae5941a9960713a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "145744cb52444860de07d50667f3d3a52ddbbbc7cb5592cfeae5941a9960713a", kill_on_drop: false }`
[INFO] [stdout] 145744cb52444860de07d50667f3d3a52ddbbbc7cb5592cfeae5941a9960713a
