[INFO] fetching crate ama 0.1.4...
[INFO] testing ama-0.1.4 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate ama 0.1.4 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate ama 0.1.4 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "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] 03b0697224267e0bc37851946abf4a5f2639fb758b8e8ac64587236edbe771cc
[INFO] running `Command { std: "docker" "start" "-a" "03b0697224267e0bc37851946abf4a5f2639fb758b8e8ac64587236edbe771cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03b0697224267e0bc37851946abf4a5f2639fb758b8e8ac64587236edbe771cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03b0697224267e0bc37851946abf4a5f2639fb758b8e8ac64587236edbe771cc", kill_on_drop: false }`
[INFO] [stdout] 03b0697224267e0bc37851946abf4a5f2639fb758b8e8ac64587236edbe771cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "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] e91c802fcc14fdfbee34daa8b3e9527a9296f526c8a83a9d413cb6db1234f176
[INFO] running `Command { std: "docker" "start" "-a" "e91c802fcc14fdfbee34daa8b3e9527a9296f526c8a83a9d413cb6db1234f176", 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" "e91c802fcc14fdfbee34daa8b3e9527a9296f526c8a83a9d413cb6db1234f176", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e91c802fcc14fdfbee34daa8b3e9527a9296f526c8a83a9d413cb6db1234f176", kill_on_drop: false }`
[INFO] [stdout] e91c802fcc14fdfbee34daa8b3e9527a9296f526c8a83a9d413cb6db1234f176
