[INFO] fetching crate sapling-minibytes 0.1.0...
[INFO] checking sapling-minibytes-0.1.0 against 1.95.0 for pr-155915
[INFO] extracting crate sapling-minibytes 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate sapling-minibytes 0.1.0
[INFO] finished tweaking crates.io crate sapling-minibytes 0.1.0
[INFO] tweaked toml for crates.io crate sapling-minibytes 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sapling-minibytes 0.1.0 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 54 packages to latest compatible versions
[INFO] [stderr]       Adding memmap2 v0.5.10 (available: v0.9.10)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a6f8a6c60f74a0db7577fdcdcc60ac313c6af10fc18aaf968f56df7344947bd
[INFO] running `Command { std: "docker" "start" "-a" "8a6f8a6c60f74a0db7577fdcdcc60ac313c6af10fc18aaf968f56df7344947bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a6f8a6c60f74a0db7577fdcdcc60ac313c6af10fc18aaf968f56df7344947bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a6f8a6c60f74a0db7577fdcdcc60ac313c6af10fc18aaf968f56df7344947bd", kill_on_drop: false }`
[INFO] [stdout] 8a6f8a6c60f74a0db7577fdcdcc60ac313c6af10fc18aaf968f56df7344947bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc3e0261f8bdcc58ba024c51124ff3b058fe2704fd86338680a66bdf27b19021
[INFO] running `Command { std: "docker" "start" "-a" "dc3e0261f8bdcc58ba024c51124ff3b058fe2704fd86338680a66bdf27b19021", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]     Checking rand_core v0.10.1
[INFO] [stderr]     Checking memmap2 v0.5.10
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]     Checking rand v0.10.1
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking regex v1.12.3
[INFO] [stderr]     Checking env_filter v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking env_logger v0.11.10
[INFO] [stderr]     Checking quickcheck v1.1.0
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking bytes v1.11.1
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking sapling-minibytes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> benches/bytes.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | #![feature(test)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sapling-minibytes` (bench "bytes") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "dc3e0261f8bdcc58ba024c51124ff3b058fe2704fd86338680a66bdf27b19021", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc3e0261f8bdcc58ba024c51124ff3b058fe2704fd86338680a66bdf27b19021", kill_on_drop: false }`
[INFO] [stdout] dc3e0261f8bdcc58ba024c51124ff3b058fe2704fd86338680a66bdf27b19021
