[INFO] crate rustlex_codegen 0.4.0 is already in cache
[INFO] checking rustlex_codegen-0.4.0 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] extracting crate rustlex_codegen 0.4.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rustlex_codegen 0.4.0 on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rustlex_codegen 0.4.0
[INFO] finished tweaking crates.io crate rustlex_codegen 0.4.0
[INFO] tweaked toml for crates.io crate rustlex_codegen 0.4.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "+45d050cde277b22a755847338f2acc2c7b834141" "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] 92fb8308ac6a6dd597d01bf73c086d2a01868ef96452ed915e49b18823304a29
[INFO] running `"docker" "start" "-a" "92fb8308ac6a6dd597d01bf73c086d2a01868ef96452ed915e49b18823304a29"`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking rustlex_fsa v0.4.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking rustlex_codegen v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0557]: feature has been removed
[INFO] [stderr]  --> lib.rs:1:43
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(plugin_registrar,rustc_private,quote)]
[INFO] [stderr]   |                                           ^^^^^ feature has been removed
[INFO] [stderr] 
[INFO] [stderr] error[E0557]: feature has been removed
[INFO] [stderr]  --> lib.rs:1:43
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(plugin_registrar,rustc_private,quote)]
[INFO] [stderr]   |                                           ^^^^^ feature has been removed
[INFO] [stderr] 
[INFO] [stderr] error[E0463]: can't find crate for `syntax`
[INFO] [stderr]  --> lib.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | 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[E0463]: can't find crate for `syntax`
[INFO] [stderr]  --> lib.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | 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 `rustlex_codegen`.
[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: could not compile `rustlex_codegen`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "92fb8308ac6a6dd597d01bf73c086d2a01868ef96452ed915e49b18823304a29"`
[INFO] running `"docker" "rm" "-f" "92fb8308ac6a6dd597d01bf73c086d2a01868ef96452ed915e49b18823304a29"`
[INFO] [stdout] 92fb8308ac6a6dd597d01bf73c086d2a01868ef96452ed915e49b18823304a29