[INFO] fetching crate mockers_macros 0.9.4...
[INFO] testing mockers_macros-0.9.4 against 1.47.0 for beta-1.48-1
[INFO] extracting crate mockers_macros 0.9.4 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate mockers_macros 0.9.4 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mockers_macros 0.9.4
[INFO] finished tweaking crates.io crate mockers_macros 0.9.4
[INFO] tweaked toml for crates.io crate mockers_macros 0.9.4 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9a3c3f27c11aaa0e0f808c0242288d8c36a82cf83a5088b4d63aaf0b2a30230
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b9a3c3f27c11aaa0e0f808c0242288d8c36a82cf83a5088b4d63aaf0b2a30230", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9a3c3f27c11aaa0e0f808c0242288d8c36a82cf83a5088b4d63aaf0b2a30230", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9a3c3f27c11aaa0e0f808c0242288d8c36a82cf83a5088b4d63aaf0b2a30230", kill_on_drop: false }`
[INFO] [stdout] b9a3c3f27c11aaa0e0f808c0242288d8c36a82cf83a5088b4d63aaf0b2a30230
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a4842b629b67c66a17977ddde91f2508975f50cf0f7856835682f63efee0957
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4a4842b629b67c66a17977ddde91f2508975f50cf0f7856835682f63efee0957", kill_on_drop: false }`
[INFO] [stderr]    Compiling mockers_codegen v0.9.4
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mockers_codegen-0.9.4/src/lib.rs:1:49
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(not(feature="with-syntex"), feature(quote, rustc_private))]
[INFO] [stdout]   |                                                 ^^^^^ feature has been removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `syntax`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mockers_codegen-0.9.4/src/lib.rs:7:36
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[cfg(not(feature="with-syntex"))] 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 `mockers_codegen`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "4a4842b629b67c66a17977ddde91f2508975f50cf0f7856835682f63efee0957", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a4842b629b67c66a17977ddde91f2508975f50cf0f7856835682f63efee0957", kill_on_drop: false }`
[INFO] [stdout] 4a4842b629b67c66a17977ddde91f2508975f50cf0f7856835682f63efee0957
