[INFO] cloning repository https://github.com/project-eonix/buddy-allocator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/project-eonix/buddy-allocator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fproject-eonix%2Fbuddy-allocator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fproject-eonix%2Fbuddy-allocator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 05807feb6eb8e7c5b714018e5e1a2df33f2416a3
[INFO] checking project-eonix/buddy-allocator against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fproject-eonix%2Fbuddy-allocator" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/project-eonix/buddy-allocator
[INFO] finished tweaking git repo https://github.com/project-eonix/buddy-allocator
[INFO] tweaked toml for git repo https://github.com/project-eonix/buddy-allocator written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/project-eonix/buddy-allocator 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/project-eonix/buddy-allocator 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 git repository `https://github.com/project-eonix/eonix-mm.git`
[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] f048653e3d163093a34d6d026a9ac0232914b9d4d48423bdcf79d1369c657208
[INFO] running `Command { std: "docker" "start" "-a" "f048653e3d163093a34d6d026a9ac0232914b9d4d48423bdcf79d1369c657208", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f048653e3d163093a34d6d026a9ac0232914b9d4d48423bdcf79d1369c657208", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f048653e3d163093a34d6d026a9ac0232914b9d4d48423bdcf79d1369c657208", kill_on_drop: false }`
[INFO] [stdout] f048653e3d163093a34d6d026a9ac0232914b9d4d48423bdcf79d1369c657208
[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] 051d68ba8652fb7acf5a8eccb0e23f8eac416d96df2853290f8506321817b7ea
[INFO] running `Command { std: "docker" "start" "-a" "051d68ba8652fb7acf5a8eccb0e23f8eac416d96df2853290f8506321817b7ea", kill_on_drop: false }`
[INFO] [stderr]     Checking eonix_mm v0.1.0 (https://github.com/project-eonix/eonix-mm.git#69fbf22b)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/eonix-mm-c0b158a6fc70e152/69fbf22/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(doc_notable_trait)]
[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 `eonix_mm` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "051d68ba8652fb7acf5a8eccb0e23f8eac416d96df2853290f8506321817b7ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "051d68ba8652fb7acf5a8eccb0e23f8eac416d96df2853290f8506321817b7ea", kill_on_drop: false }`
[INFO] [stdout] 051d68ba8652fb7acf5a8eccb0e23f8eac416d96df2853290f8506321817b7ea