[INFO] cloning repository https://github.com/Berrysoft/rockscrew
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Berrysoft/rockscrew" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBerrysoft%2Frockscrew", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBerrysoft%2Frockscrew'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5a3ef7411692584314c68bf444bbaab73a80f607
[INFO] checking Berrysoft/rockscrew against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBerrysoft%2Frockscrew" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Berrysoft/rockscrew
[INFO] finished tweaking git repo https://github.com/Berrysoft/rockscrew
[INFO] tweaked toml for git repo https://github.com/Berrysoft/rockscrew written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Berrysoft/rockscrew 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] crate git repo https://github.com/Berrysoft/rockscrew 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded compio-tls v0.4.0
[INFO] [stderr]   Downloaded rustc-hash v2.1.0
[INFO] [stderr]   Downloaded compio-dispatcher v0.5.0
[INFO] [stderr]   Downloaded compio-macros v0.1.2
[INFO] [stderr]   Downloaded compio-log v0.1.0
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.99
[INFO] [stderr]   Downloaded aligned-array v1.0.1
[INFO] [stderr]   Downloaded compio-signal v0.4.0
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.99
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.99
[INFO] [stderr]   Downloaded compio v0.13.2
[INFO] [stderr]   Downloaded either v1.13.0
[INFO] [stderr]   Downloaded rustls-pki-types v1.10.1
[INFO] [stderr]   Downloaded compio-driver v0.6.1
[INFO] [stderr]   Downloaded compio-io v0.5.0
[INFO] [stderr]   Downloaded unicode-ident v1.0.14
[INFO] [stderr]   Downloaded proc-macro2 v1.0.92
[INFO] [stderr]   Downloaded compio-fs v0.6.0
[INFO] [stderr]   Downloaded tinyvec v1.8.1
[INFO] [stderr]   Downloaded indexmap v2.7.0
[INFO] [stderr]   Downloaded toml_edit v0.22.22
[INFO] [stderr]   Downloaded io-uring v0.7.3
[INFO] [stderr]   Downloaded cc v1.2.7
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.14
[INFO] [stderr]   Downloaded winnow v0.6.22
[INFO] [stderr]   Downloaded compio-quic v0.2.0
[INFO] [stderr]   Downloaded js-sys v0.3.76
[INFO] [stderr]   Downloaded quinn-proto v0.11.9
[INFO] [stderr]   Downloaded rustls v0.23.20
[INFO] [stderr]   Downloaded syn v2.0.95
[INFO] [stderr]   Downloaded thiserror-impl v2.0.9
[INFO] [stderr]   Downloaded rustix v0.38.43
[INFO] [stderr]   Downloaded os_pipe v1.2.1
[INFO] [stderr]   Downloaded httparse v1.9.5
[INFO] [stderr]   Downloaded compio-net v0.6.0
[INFO] [stderr]   Downloaded thiserror v2.0.9
[INFO] [stderr]   Downloaded compio-runtime v0.6.3
[INFO] [stderr]   Downloaded compio-buf v0.5.1
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.99
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.99
[INFO] [stderr]   Downloaded compio-process v0.3.0
[INFO] [stderr]   Downloaded libc v0.2.169
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 141aa0abbeacbd101e432aa8dba982de335884e25e79241aced70e7c4bc7031f
[INFO] running `Command { std: "docker" "start" "-a" "141aa0abbeacbd101e432aa8dba982de335884e25e79241aced70e7c4bc7031f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "141aa0abbeacbd101e432aa8dba982de335884e25e79241aced70e7c4bc7031f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "141aa0abbeacbd101e432aa8dba982de335884e25e79241aced70e7c4bc7031f", kill_on_drop: false }`
[INFO] [stdout] 141aa0abbeacbd101e432aa8dba982de335884e25e79241aced70e7c4bc7031f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] aa87577f6d0568ba514020254853e5d01b176cdcaad3b90bba6397972b27b7af
[INFO] running `Command { std: "docker" "start" "-a" "aa87577f6d0568ba514020254853e5d01b176cdcaad3b90bba6397972b27b7af", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling io-uring v0.7.3
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]    Compiling compio-driver v0.6.1
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.14
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]     Checking once_cell v1.20.2
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling winnow v0.6.22
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]    Compiling compio-fs v0.6.0
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking compio-log v0.1.0
[INFO] [stderr]    Compiling httparse v1.9.5
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling indexmap v2.7.0
[INFO] [stderr]    Compiling syn v2.0.95
[INFO] [stderr]     Checking compio-buf v0.5.1
[INFO] [stderr]     Checking socket2 v0.5.8
[INFO] [stderr]     Checking os_pipe v1.2.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/compio-buf-0.5.1/src/lib.rs:8:40
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![cfg_attr(feature = "allocator_api", feature(allocator_api))]
[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 `compio-buf` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "aa87577f6d0568ba514020254853e5d01b176cdcaad3b90bba6397972b27b7af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa87577f6d0568ba514020254853e5d01b176cdcaad3b90bba6397972b27b7af", kill_on_drop: false }`
[INFO] [stdout] aa87577f6d0568ba514020254853e5d01b176cdcaad3b90bba6397972b27b7af