[INFO] fetching crate mmap_bytey 0.2.0...
[INFO] checking mmap_bytey-0.2.0 against 1.95.0 for pr-155915
[INFO] extracting crate mmap_bytey 0.2.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate mmap_bytey 0.2.0
[INFO] finished tweaking crates.io crate mmap_bytey 0.2.0
[INFO] tweaked toml for crates.io crate mmap_bytey 0.2.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mmap_bytey 0.2.0 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 51 packages to latest compatible versions
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded sysctl v0.5.5
[INFO] [stderr]   Downloaded mach2 v0.4.3
[INFO] [stderr]   Downloaded memoffset v0.7.1
[INFO] [stderr]   Downloaded mmap_bytey_byte_buffer v0.2.2
[INFO] [stderr]   Downloaded mmap_bytey_derive v0.2.0
[INFO] [stderr]   Downloaded memoffset v0.9.1
[INFO] [stderr]   Downloaded mmap-rs v0.6.1
[INFO] [stderr]   Downloaded dashmap v6.1.0
[INFO] [stderr]   Downloaded intrusive-collections v0.9.7
[INFO] [stderr]   Downloaded nix v0.26.4
[INFO] [stderr]   Downloaded windows v0.48.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ec20f65eed282150f21940ef627ab11391a19560ce2bf9f93ea20923400f3236
[INFO] running `Command { std: "docker" "start" "-a" "ec20f65eed282150f21940ef627ab11391a19560ce2bf9f93ea20923400f3236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec20f65eed282150f21940ef627ab11391a19560ce2bf9f93ea20923400f3236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec20f65eed282150f21940ef627ab11391a19560ce2bf9f93ea20923400f3236", kill_on_drop: false }`
[INFO] [stdout] ec20f65eed282150f21940ef627ab11391a19560ce2bf9f93ea20923400f3236
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 68f0818dab83c391ff7fb5e8fe71f1318548d2cf4c057f0784a70dcd86661182
[INFO] running `Command { std: "docker" "start" "-a" "68f0818dab83c391ff7fb5e8fe71f1318548d2cf4c057f0784a70dcd86661182", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking bitflags v2.11.1
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking memchr v2.8.0
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking combine v4.6.7
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]     Checking intrusive-collections v0.9.7
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking dashmap v6.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling enum-as-inner v0.6.1
[INFO] [stderr]    Compiling mmap_bytey_derive v0.2.0
[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/mmap_bytey_derive-0.2.0/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro_diagnostic)]
[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 `mmap_bytey_derive` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "68f0818dab83c391ff7fb5e8fe71f1318548d2cf4c057f0784a70dcd86661182", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68f0818dab83c391ff7fb5e8fe71f1318548d2cf4c057f0784a70dcd86661182", kill_on_drop: false }`
[INFO] [stdout] 68f0818dab83c391ff7fb5e8fe71f1318548d2cf4c057f0784a70dcd86661182