[INFO] fetching crate async-byteorder 0.3.0...
[INFO] checking async-byteorder-0.3.0 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate async-byteorder 0.3.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate async-byteorder 0.3.0 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-byteorder 0.3.0
[INFO] finished tweaking crates.io crate async-byteorder 0.3.0
[INFO] tweaked toml for crates.io crate async-byteorder 0.3.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 49 packages to latest compatible versions
[INFO] [stderr]       Adding async-codec v0.3.0 (latest: v0.4.1)
[INFO] [stderr]       Adding async-ringbuffer v0.3.1 (latest: v0.5.5)
[INFO] [stderr]       Adding env_logger v0.5.13 (latest: v0.11.3)
[INFO] [stderr]       Adding futures-channel v0.2.1 (latest: v0.3.30)
[INFO] [stderr]       Adding futures-core v0.2.1 (latest: v0.3.30)
[INFO] [stderr]       Adding futures-executor v0.2.1 (latest: v0.3.30)
[INFO] [stderr]       Adding futures-io v0.2.1 (latest: v0.3.30)
[INFO] [stderr]       Adding futures-sink v0.2.1 (latest: v0.3.30)
[INFO] [stderr]       Adding futures-util v0.2.1 (latest: v0.3.30)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding humantime v1.3.0 (latest: v2.1.0)
[INFO] [stderr]       Adding quick-error v1.2.3 (latest: v2.0.1)
[INFO] [stderr]       Adding quickcheck v0.6.2 (latest: v1.0.3)
[INFO] [stderr]       Adding rand v0.4.6 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded env_logger v0.5.13
[INFO] [stderr]   Downloaded quickcheck v0.6.2
[INFO] [stderr]   Downloaded futures-core v0.2.1
[INFO] [stderr]   Downloaded futures-util v0.2.1
[INFO] [stderr]   Downloaded futures-executor v0.2.1
[INFO] [stderr]   Downloaded futures-channel v0.2.1
[INFO] [stderr]   Downloaded futures-sink v0.2.1
[INFO] [stderr]   Downloaded futures-io v0.2.1
[INFO] [stderr]   Downloaded async-codec v0.3.0
[INFO] [stderr]   Downloaded async-ringbuffer v0.3.1
[INFO] [stderr]   Downloaded async-codec-util v0.3.3
[INFO] [stderr]   Downloaded atm-io-utils v0.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] acf402bb992de41c2ec7f054d13a682ff6448ba76484e17e3a948d6da0b3603a
[INFO] running `Command { std: "docker" "start" "-a" "acf402bb992de41c2ec7f054d13a682ff6448ba76484e17e3a948d6da0b3603a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "acf402bb992de41c2ec7f054d13a682ff6448ba76484e17e3a948d6da0b3603a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acf402bb992de41c2ec7f054d13a682ff6448ba76484e17e3a948d6da0b3603a", kill_on_drop: false }`
[INFO] [stdout] acf402bb992de41c2ec7f054d13a682ff6448ba76484e17e3a948d6da0b3603a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8131e55c6b94049474d6114732c6db64346bc16a0aac8bf95050e3a3fb9a2a90
[INFO] running `Command { std: "docker" "start" "-a" "8131e55c6b94049474d6114732c6db64346bc16a0aac8bf95050e3a3fb9a2a90", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-core v0.2.1
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking futures-io v0.2.1
[INFO] [stderr]     Checking futures-channel v0.2.1
[INFO] [stderr]     Checking async-codec v0.3.0
[INFO] [stderr]     Checking async-ringbuffer v0.3.1
[INFO] [stdout] error[E0635]: unknown feature `offset_to`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/async-ringbuffer-0.3.1/src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(offset_to)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking futures-sink v0.2.1
[INFO] [stderr]     Checking futures-util v0.2.1
[INFO] [stdout] error[E0599]: no method named `offset_to` found for raw pointer `*mut u8` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/async-ringbuffer-0.3.1/src/lib.rs:70:18
[INFO] [stdout]    |
[INFO] [stdout] 68 |               let diff = start
[INFO] [stdout]    |  ________________________-
[INFO] [stdout] 69 | |                 .offset(self.data.capacity() as isize)
[INFO] [stdout] 70 | |                 .offset_to(self.read.offset(self.amount as isize))
[INFO] [stdout]    | |_________________-^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `offset` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 70 |                 .offset(self.read.offset(self.amount as isize))
[INFO] [stdout]    |                  ~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `offset_to` found for raw pointer `*mut u8` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/async-ringbuffer-0.3.1/src/lib.rs:133:46
[INFO] [stdout]     |
[INFO] [stdout] 133 |             let distance_we = rb.write_ptr().offset_to(end).unwrap() as usize;
[INFO] [stdout]     |                                              ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `offset` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 133 |             let distance_we = rb.write_ptr().offset(end).unwrap() as usize;
[INFO] [stdout]     |                                              ~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `offset_to` found for raw pointer `*mut u8` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/async-ringbuffer-0.3.1/src/lib.rs:225:39
[INFO] [stdout]     |
[INFO] [stdout] 225 |             let distance_re = rb.read.offset_to(end).unwrap() as usize;
[INFO] [stdout]     |                                       ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `offset` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 225 |             let distance_re = rb.read.offset(end).unwrap() as usize;
[INFO] [stdout]     |                                       ~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `async-ringbuffer` (lib) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8131e55c6b94049474d6114732c6db64346bc16a0aac8bf95050e3a3fb9a2a90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8131e55c6b94049474d6114732c6db64346bc16a0aac8bf95050e3a3fb9a2a90", kill_on_drop: false }`
[INFO] [stdout] 8131e55c6b94049474d6114732c6db64346bc16a0aac8bf95050e3a3fb9a2a90
[INFO] checking async-byteorder-0.3.0 against try#9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88 for pr-124157
[INFO] extracting crate async-byteorder 0.3.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate async-byteorder 0.3.0 on toolchain 9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-byteorder 0.3.0
[INFO] finished tweaking crates.io crate async-byteorder 0.3.0
[INFO] tweaked toml for crates.io crate async-byteorder 0.3.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 49 packages to latest compatible versions
[INFO] [stderr]       Adding async-codec v0.3.0 (latest: v0.4.1)
[INFO] [stderr]       Adding async-ringbuffer v0.3.1 (latest: v0.5.5)
[INFO] [stderr]       Adding env_logger v0.5.13 (latest: v0.11.3)
[INFO] [stderr]       Adding futures-channel v0.2.1 (latest: v0.3.30)
[INFO] [stderr]       Adding futures-core v0.2.1 (latest: v0.3.30)
[INFO] [stderr]       Adding futures-executor v0.2.1 (latest: v0.3.30)
[INFO] [stderr]       Adding futures-io v0.2.1 (latest: v0.3.30)
[INFO] [stderr]       Adding futures-sink v0.2.1 (latest: v0.3.30)
[INFO] [stderr]       Adding futures-util v0.2.1 (latest: v0.3.30)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding humantime v1.3.0 (latest: v2.1.0)
[INFO] [stderr]       Adding quick-error v1.2.3 (latest: v2.0.1)
[INFO] [stderr]       Adding quickcheck v0.6.2 (latest: v1.0.3)
[INFO] [stderr]       Adding rand v0.4.6 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f39b06f0ed819f83419eb8631f5d0114916dfa7a17cf54249ba4e960ac336ed1
[INFO] running `Command { std: "docker" "start" "-a" "f39b06f0ed819f83419eb8631f5d0114916dfa7a17cf54249ba4e960ac336ed1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f39b06f0ed819f83419eb8631f5d0114916dfa7a17cf54249ba4e960ac336ed1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f39b06f0ed819f83419eb8631f5d0114916dfa7a17cf54249ba4e960ac336ed1", kill_on_drop: false }`
[INFO] [stdout] f39b06f0ed819f83419eb8631f5d0114916dfa7a17cf54249ba4e960ac336ed1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65d3a5cf7936acdf68eb4772050a726213b249c0c4c38484cb6736f1826b53e7
[INFO] running `Command { std: "docker" "start" "-a" "65d3a5cf7936acdf68eb4772050a726213b249c0c4c38484cb6736f1826b53e7", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-core v0.2.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking futures-io v0.2.1
[INFO] [stderr]     Checking futures-channel v0.2.1
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking async-codec v0.3.0
[INFO] [stderr]     Checking async-ringbuffer v0.3.1
[INFO] [stderr]     Checking futures-sink v0.2.1
[INFO] [stdout] error[E0635]: unknown feature `offset_to`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/async-ringbuffer-0.3.1/src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(offset_to)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking futures-util v0.2.1
[INFO] [stdout] error[E0599]: no method named `offset_to` found for raw pointer `*mut u8` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/async-ringbuffer-0.3.1/src/lib.rs:70:18
[INFO] [stdout]    |
[INFO] [stdout] 68 |               let diff = start
[INFO] [stdout]    |  ________________________-
[INFO] [stdout] 69 | |                 .offset(self.data.capacity() as isize)
[INFO] [stdout] 70 | |                 .offset_to(self.read.offset(self.amount as isize))
[INFO] [stdout]    | |_________________-^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `offset` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 70 |                 .offset(self.read.offset(self.amount as isize))
[INFO] [stdout]    |                  ~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `offset_to` found for raw pointer `*mut u8` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/async-ringbuffer-0.3.1/src/lib.rs:133:46
[INFO] [stdout]     |
[INFO] [stdout] 133 |             let distance_we = rb.write_ptr().offset_to(end).unwrap() as usize;
[INFO] [stdout]     |                                              ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `offset` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 133 |             let distance_we = rb.write_ptr().offset(end).unwrap() as usize;
[INFO] [stdout]     |                                              ~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking quickcheck v0.6.2
[INFO] [stdout] error[E0599]: no method named `offset_to` found for raw pointer `*mut u8` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/async-ringbuffer-0.3.1/src/lib.rs:225:39
[INFO] [stdout]     |
[INFO] [stdout] 225 |             let distance_re = rb.read.offset_to(end).unwrap() as usize;
[INFO] [stdout]     |                                       ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `offset` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 225 |             let distance_re = rb.read.offset(end).unwrap() as usize;
[INFO] [stdout]     |                                       ~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `async-ringbuffer` (lib) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "65d3a5cf7936acdf68eb4772050a726213b249c0c4c38484cb6736f1826b53e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65d3a5cf7936acdf68eb4772050a726213b249c0c4c38484cb6736f1826b53e7", kill_on_drop: false }`
[INFO] [stdout] 65d3a5cf7936acdf68eb4772050a726213b249c0c4c38484cb6736f1826b53e7
