[INFO] fetching crate mayda_codec 0.1.4...
[INFO] checking mayda_codec-0.1.4 against beta for pr-78714
[INFO] extracting crate mayda_codec 0.1.4 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate mayda_codec 0.1.4 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mayda_codec 0.1.4
[INFO] finished tweaking crates.io crate mayda_codec 0.1.4
[INFO] tweaked toml for crates.io crate mayda_codec 0.1.4 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12afc81c6f4fc37ad6fd2d0b7c2edede2d88fe66358b238979b04256ca2a6621
[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" "12afc81c6f4fc37ad6fd2d0b7c2edede2d88fe66358b238979b04256ca2a6621", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12afc81c6f4fc37ad6fd2d0b7c2edede2d88fe66358b238979b04256ca2a6621", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12afc81c6f4fc37ad6fd2d0b7c2edede2d88fe66358b238979b04256ca2a6621", kill_on_drop: false }`
[INFO] [stdout] 12afc81c6f4fc37ad6fd2d0b7c2edede2d88fe66358b238979b04256ca2a6621
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 490c9f2e7e035ccefe18e49126578d4a99907645ef183f4d3fcfbe1bdea98e85
[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" "490c9f2e7e035ccefe18e49126578d4a99907645ef183f4d3fcfbe1bdea98e85", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling simd v0.2.4
[INFO] [stderr]    Compiling mayda_macros v0.1.4
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mayda_macros-0.1.4/src/lib.rs:129:45
[INFO] [stdout]     |
[INFO] [stdout] 129 | #![feature(plugin_registrar, 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]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mayda_macros-0.1.4/src/lib.rs:135:1
[INFO] [stdout]     |
[INFO] [stdout] 135 | 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 `mayda_macros`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "490c9f2e7e035ccefe18e49126578d4a99907645ef183f4d3fcfbe1bdea98e85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "490c9f2e7e035ccefe18e49126578d4a99907645ef183f4d3fcfbe1bdea98e85", kill_on_drop: false }`
[INFO] [stdout] 490c9f2e7e035ccefe18e49126578d4a99907645ef183f4d3fcfbe1bdea98e85