[INFO] updating cached repository https://github.com/fsasm/rv1076
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1aae9401a33843176f8cfea3b7657e06d8960343
[INFO] checking fsasm/rv1076 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffsasm%2Frv1076" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fsasm/rv1076 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/fsasm/rv1076
[INFO] finished tweaking git repo https://github.com/fsasm/rv1076
[INFO] tweaked toml for git repo https://github.com/fsasm/rv1076 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/fsasm/rv1076 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e4448a1947f2326ef7e3ce4366572dd51b02a94c6e23d3c2125f97c0b9e92518
[INFO] running `"docker" "start" "-a" "e4448a1947f2326ef7e3ce4366572dd51b02a94c6e23d3c2125f97c0b9e92518"`
[INFO] [stderr]    Compiling bit-vec v0.4.4
[INFO] [stderr]    Compiling vec_map v0.6.0
[INFO] [stderr]    Compiling lalr v0.0.1
[INFO] [stderr]    Compiling bit-set v0.4.0
[INFO] [stderr]    Compiling redfa v0.0.2
[INFO] [stderr]    Compiling plex v0.0.3 (https://github.com/goffrie/plex.git?rev=4b7fab5fd1#4b7fab5f)
[INFO] [stderr] error[E0557]: feature has been removed
[INFO] [stderr]  --> /opt/rustwide/cargo-home/git/checkouts/plex-99281a3d5255642b/4b7fab5/src/lib.rs:1:30
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(plugin_registrar, quote, rustc_private, i128_type)]
[INFO] [stderr]   |                              ^^^^^ feature has been removed
[INFO] [stderr] 
[INFO] [stderr] error[E0463]: can't find crate for `syntax`
[INFO] [stderr]  --> /opt/rustwide/cargo-home/git/checkouts/plex-99281a3d5255642b/4b7fab5/src/lib.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | extern crate syntax;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0463, E0557.
[INFO] [stderr] For more information about an error, try `rustc --explain E0463`.
[INFO] [stderr] error: could not compile `plex`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "e4448a1947f2326ef7e3ce4366572dd51b02a94c6e23d3c2125f97c0b9e92518"`
[INFO] running `"docker" "rm" "-f" "e4448a1947f2326ef7e3ce4366572dd51b02a94c6e23d3c2125f97c0b9e92518"`
[INFO] [stdout] e4448a1947f2326ef7e3ce4366572dd51b02a94c6e23d3c2125f97c0b9e92518
