[INFO] fetching crate lzcb-lz4-flex 0.1.0+lz4flex.0.11.6...
[INFO] checking lzcb-lz4-flex-0.1.0+lz4flex.0.11.6 against 3154cc1a3e6424e44f438a95007d043ed5ceaaf6 for pr-133502-30
[INFO] extracting crate lzcb-lz4-flex 0.1.0+lz4flex.0.11.6 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate lzcb-lz4-flex 0.1.0+lz4flex.0.11.6
[INFO] finished tweaking crates.io crate lzcb-lz4-flex 0.1.0+lz4flex.0.11.6
[INFO] tweaked toml for crates.io crate lzcb-lz4-flex 0.1.0+lz4flex.0.11.6 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lzcb-lz4-flex 0.1.0+lz4flex.0.11.6 on toolchain 3154cc1a3e6424e44f438a95007d043ed5ceaaf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate lzcb-lz4-flex 0.1.0+lz4flex.0.11.6 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" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] c50fbfa0f06a99d814e1ab9712cf76f0d75c9acbf8e6cad18c6732064dda245c
[INFO] running `Command { std: "docker" "start" "c50fbfa0f06a99d814e1ab9712cf76f0d75c9acbf8e6cad18c6732064dda245c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c50fbfa0f06a99d814e1ab9712cf76f0d75c9acbf8e6cad18c6732064dda245c", kill_on_drop: false }`
[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" "c50fbfa0f06a99d814e1ab9712cf76f0d75c9acbf8e6cad18c6732064dda245c" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c50fbfa0f06a99d814e1ab9712cf76f0d75c9acbf8e6cad18c6732064dda245c", kill_on_drop: false }`
[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" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c50fbfa0f06a99d814e1ab9712cf76f0d75c9acbf8e6cad18c6732064dda245c" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.163
[INFO] [stderr]     Checking cfg-if v1.0.5
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling rustix v0.37.28
[INFO] [stderr]    Compiling libm v0.2.9
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling tempfile v3.6.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking twox-hash v2.1.4
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking unarray v0.1.4
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking more-asserts v0.3.1
[INFO] [stderr]     Checking lzcb-lz4-flex v0.1.0+lz4flex.0.11.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking wait-timeout v0.2.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stdout] error: attributes starting with `rustc` are reserved for use by the `rustc` compiler
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustix-0.37.28/src/backend/linux_raw/io/errno.rs:28:25
[INFO] [stdout]    |
[INFO] [stdout] 28 | #[cfg_attr(rustc_attrs, rustc_layout_scalar_valid_range_start(0xf001))]
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: attributes starting with `rustc` are reserved for use by the `rustc` compiler
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustix-0.37.28/src/backend/linux_raw/io/errno.rs:29:25
[INFO] [stdout]    |
[INFO] [stdout] 29 | #[cfg_attr(rustc_attrs, rustc_layout_scalar_valid_range_end(0xffff))]
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `rustc_layout_scalar_valid_range_start` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustix-0.37.28/src/backend/linux_raw/io/errno.rs:28:25
[INFO] [stdout]    |
[INFO] [stdout] 28 | #[cfg_attr(rustc_attrs, rustc_layout_scalar_valid_range_start(0xf001))]
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `rustc_layout_scalar_valid_range_end` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustix-0.37.28/src/backend/linux_raw/io/errno.rs:29:25
[INFO] [stdout]    |
[INFO] [stdout] 29 | #[cfg_attr(rustc_attrs, rustc_layout_scalar_valid_range_end(0xffff))]
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking rand v0.8.8
[INFO] [stderr] error: could not compile `rustix` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "c50fbfa0f06a99d814e1ab9712cf76f0d75c9acbf8e6cad18c6732064dda245c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c50fbfa0f06a99d814e1ab9712cf76f0d75c9acbf8e6cad18c6732064dda245c", kill_on_drop: false }`
[INFO] [stdout] c50fbfa0f06a99d814e1ab9712cf76f0d75c9acbf8e6cad18c6732064dda245c
