[INFO] cloning repository https://github.com/ChrysoliteAzalea/memfd_play
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ChrysoliteAzalea/memfd_play" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChrysoliteAzalea%2Fmemfd_play", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChrysoliteAzalea%2Fmemfd_play'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f35905776883ba07c8729d566da489ee6b2dcdf6
[INFO] checking ChrysoliteAzalea/memfd_play against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChrysoliteAzalea%2Fmemfd_play" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ChrysoliteAzalea/memfd_play
[INFO] finished tweaking git repo https://github.com/ChrysoliteAzalea/memfd_play
[INFO] tweaked toml for git repo https://github.com/ChrysoliteAzalea/memfd_play written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ChrysoliteAzalea/memfd_play 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/ChrysoliteAzalea/memfd_play 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 004b6b4e0049dcf4c17f621a8b34ac8af114360362d0ea9026cea3831c46db58
[INFO] running `Command { std: "docker" "start" "-a" "004b6b4e0049dcf4c17f621a8b34ac8af114360362d0ea9026cea3831c46db58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "004b6b4e0049dcf4c17f621a8b34ac8af114360362d0ea9026cea3831c46db58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "004b6b4e0049dcf4c17f621a8b34ac8af114360362d0ea9026cea3831c46db58", kill_on_drop: false }`
[INFO] [stdout] 004b6b4e0049dcf4c17f621a8b34ac8af114360362d0ea9026cea3831c46db58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 7f0d9ff4114d70443e7daf5d00ba6c064728662c9496a14b52ae8f6c0f22ed04
[INFO] running `Command { std: "docker" "start" "-a" "7f0d9ff4114d70443e7daf5d00ba6c064728662c9496a14b52ae8f6c0f22ed04", kill_on_drop: false }`
[INFO] [stderr]     Checking memfd_play v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(maybe_uninit_fill)]
[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 `memfd_play` (bin "memfd_play" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(maybe_uninit_fill)]
[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 `memfd_play` (bin "memfd_play") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "7f0d9ff4114d70443e7daf5d00ba6c064728662c9496a14b52ae8f6c0f22ed04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f0d9ff4114d70443e7daf5d00ba6c064728662c9496a14b52ae8f6c0f22ed04", kill_on_drop: false }`
[INFO] [stdout] 7f0d9ff4114d70443e7daf5d00ba6c064728662c9496a14b52ae8f6c0f22ed04
