[INFO] fetching crate pyxis-parcel 0.5.0...
[INFO] testing pyxis-parcel-0.5.0 against 1.76.0 for beta-1.77-1
[INFO] extracting crate pyxis-parcel 0.5.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate pyxis-parcel 0.5.0 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate pyxis-parcel 0.5.0
[INFO] finished tweaking crates.io crate pyxis-parcel 0.5.0
[INFO] tweaked toml for crates.io crate pyxis-parcel 0.5.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate pyxis-parcel 0.5.0 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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fastrand v1.6.0
[INFO] [stderr]   Downloaded twoway v0.2.2
[INFO] [stderr]   Downloaded lexiclean v0.0.1
[INFO] [stderr]   Downloaded serde v1.0.134
[INFO] [stderr]   Downloaded serde_derive v1.0.134
[INFO] [stderr]   Downloaded backtrace v0.3.63
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3496822c7fa055f6d1aa66616728887ca1f42dc0f9665586ca3f99c0e4687f7d
[INFO] running `Command { std: "docker" "start" "-a" "3496822c7fa055f6d1aa66616728887ca1f42dc0f9665586ca3f99c0e4687f7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3496822c7fa055f6d1aa66616728887ca1f42dc0f9665586ca3f99c0e4687f7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3496822c7fa055f6d1aa66616728887ca1f42dc0f9665586ca3f99c0e4687f7d", kill_on_drop: false }`
[INFO] [stdout] 3496822c7fa055f6d1aa66616728887ca1f42dc0f9665586ca3f99c0e4687f7d
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 987003d3e178412a927b2053a99f8a380ec4cf8836ea0ef5d80b71965ed2e7c3
[INFO] running `Command { std: "docker" "start" "-a" "987003d3e178412a927b2053a99f8a380ec4cf8836ea0ef5d80b71965ed2e7c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling libc v0.2.113
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling serde_derive v1.0.134
[INFO] [stderr]    Compiling serde v1.0.134
[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stderr]    Compiling anyhow v1.0.53
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling textwrap v0.14.2
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling lexiclean v0.0.1
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling clap v3.0.10
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling serde_yaml v0.8.23
[INFO] [stderr]    Compiling pyxis-parcel v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `std::io::ReadBuf`
[INFO] [stdout]  --> src/reader_writer.rs:4:31
[INFO] [stdout]   |
[INFO] [stdout] 4 |     io::{self, BufRead, Read, ReadBuf, Seek, SeekFrom, Write},
[INFO] [stdout]   |                               ^^^^^^^ no `ReadBuf` in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(new_uninit)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(read_buf)]
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(maybe_uninit_slice)]
[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: E0432, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pyxis-parcel` (lib) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "987003d3e178412a927b2053a99f8a380ec4cf8836ea0ef5d80b71965ed2e7c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "987003d3e178412a927b2053a99f8a380ec4cf8836ea0ef5d80b71965ed2e7c3", kill_on_drop: false }`
[INFO] [stdout] 987003d3e178412a927b2053a99f8a380ec4cf8836ea0ef5d80b71965ed2e7c3
