[INFO] fetching crate ama 0.1.4...
[INFO] testing ama-0.1.4 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate ama 0.1.4 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ama 0.1.4 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ama 0.1.4
[INFO] finished tweaking crates.io crate ama 0.1.4
[INFO] tweaked toml for crates.io crate ama 0.1.4 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3b923916ddebea8a88bbe259f649afa6bdaa46d6d42f9a3dd4cb2cee5e08c171
[INFO] running `Command { std: "docker" "start" "-a" "3b923916ddebea8a88bbe259f649afa6bdaa46d6d42f9a3dd4cb2cee5e08c171", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b923916ddebea8a88bbe259f649afa6bdaa46d6d42f9a3dd4cb2cee5e08c171", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b923916ddebea8a88bbe259f649afa6bdaa46d6d42f9a3dd4cb2cee5e08c171", kill_on_drop: false }`
[INFO] [stdout] 3b923916ddebea8a88bbe259f649afa6bdaa46d6d42f9a3dd4cb2cee5e08c171
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7f96d434e6216b9bc38fb827f977d8c9ed4ca538bcbb1b5f230da429ac1a62cb
[INFO] running `Command { std: "docker" "start" "-a" "7f96d434e6216b9bc38fb827f977d8c9ed4ca538bcbb1b5f230da429ac1a62cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling ama v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> src/libama/lib.rs:15:27
[INFO] [stdout]    |
[INFO] [stdout] 15 | #![feature(rustc_private, quote)]
[INFO] [stdout]    |                           ^^^^^ feature has been removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `syntax`
[INFO] [stdout]   --> src/libama/lib.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | extern crate syntax;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0463, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ama` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "7f96d434e6216b9bc38fb827f977d8c9ed4ca538bcbb1b5f230da429ac1a62cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f96d434e6216b9bc38fb827f977d8c9ed4ca538bcbb1b5f230da429ac1a62cb", kill_on_drop: false }`
[INFO] [stdout] 7f96d434e6216b9bc38fb827f977d8c9ed4ca538bcbb1b5f230da429ac1a62cb