[INFO] cloning repository https://github.com/LightningCreations/micron-emu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LightningCreations/micron-emu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLightningCreations%2Fmicron-emu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLightningCreations%2Fmicron-emu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cb8826eab8901a629f3213b2314ef21efa0e8525
[INFO] checking LightningCreations/micron-emu against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLightningCreations%2Fmicron-emu" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/LightningCreations/micron-emu
[INFO] finished tweaking git repo https://github.com/LightningCreations/micron-emu
[INFO] tweaked toml for git repo https://github.com/LightningCreations/micron-emu written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/LightningCreations/micron-emu 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/LightningCreations/micron-emu 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]  Downloading crates ...
[INFO] [stderr]   Downloaded bitfield-struct v0.12.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 07d6b172568ed9dedb3790387a2ed5278a2bb955f0048a5de3ae522220f38530
[INFO] running `Command { std: "docker" "start" "-a" "07d6b172568ed9dedb3790387a2ed5278a2bb955f0048a5de3ae522220f38530", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07d6b172568ed9dedb3790387a2ed5278a2bb955f0048a5de3ae522220f38530", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07d6b172568ed9dedb3790387a2ed5278a2bb955f0048a5de3ae522220f38530", kill_on_drop: false }`
[INFO] [stdout] 07d6b172568ed9dedb3790387a2ed5278a2bb955f0048a5de3ae522220f38530
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] b81e700608c8b2cbbc80346d49664c46e706b03497e4c3f79d32daffed586483
[INFO] running `Command { std: "docker" "start" "-a" "b81e700608c8b2cbbc80346d49664c46e706b03497e4c3f79d32daffed586483", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.103
[INFO] [stderr]    Compiling bytemuck_derive v1.9.3
[INFO] [stderr]    Compiling bitfield-struct v0.12.1
[INFO] [stderr]     Checking bytemuck v1.23.1
[INFO] [stderr]     Checking bitflags v2.10.0
[INFO] [stderr]     Checking micron-emu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | / #![feature(
[INFO] [stdout] 3 | |     macro_metavar_expr_concat,
[INFO] [stdout] 4 | |     btree_cursors,
[INFO] [stdout] 5 | |     debug_closure_helpers,
[INFO] [stdout] 6 | |     macro_metavar_expr
[INFO] [stdout] 7 | | )]
[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:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | / #![feature(
[INFO] [stdout] 3 | |     macro_metavar_expr_concat,
[INFO] [stdout] 4 | |     btree_cursors,
[INFO] [stdout] 5 | |     debug_closure_helpers,
[INFO] [stdout] 6 | |     macro_metavar_expr
[INFO] [stdout] 7 | | )]
[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 `micron-emu` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `micron-emu` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "b81e700608c8b2cbbc80346d49664c46e706b03497e4c3f79d32daffed586483", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b81e700608c8b2cbbc80346d49664c46e706b03497e4c3f79d32daffed586483", kill_on_drop: false }`
[INFO] [stdout] b81e700608c8b2cbbc80346d49664c46e706b03497e4c3f79d32daffed586483
