[INFO] updating cached repository https://github.com/riros/rust_test_01
[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] 509d17274ed8765ed2aeda24729e5b48280065f9
[INFO] checking riros/rust_test_01 against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Friros%2Frust_test_01" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/riros/rust_test_01 on toolchain ba72b15666b2491415aec703a02c2364fe5e2790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/riros/rust_test_01
[INFO] finished tweaking git repo https://github.com/riros/rust_test_01
[INFO] tweaked toml for git repo https://github.com/riros/rust_test_01 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+ba72b15666b2491415aec703a02c2364fe5e2790" "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] c1e9d8b6368c543fa455686b3df739435c25e097b23311bdb23451a85b15cadc
[INFO] running `"docker" "start" "-a" "c1e9d8b6368c543fa455686b3df739435c25e097b23311bdb23451a85b15cadc"`
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking unchecked-index v0.2.2
[INFO] [stderr]    Compiling sysinfo v0.8.6
[INFO] [stderr]     Checking entities v1.0.1
[INFO] [stderr]     Checking unicode_categories v0.1.1
[INFO] [stderr]     Checking typed-arena v1.7.0
[INFO] [stderr]     Checking file_diff v1.0.0
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking openssl v0.10.29
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking nix v0.7.0
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking publicsuffix v1.5.4
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking tiny_http v0.6.2
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking mustache v0.9.0
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]     Checking twoway v0.2.1
[INFO] [stderr]    Compiling rocket_http v0.4.4
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]    Compiling mime_guess v1.8.8
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking nickel v0.11.0
[INFO] [stderr]     Checking graceful v0.1.1
[INFO] [stderr]     Checking image v0.10.4
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking iron v0.6.1
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]     Checking raster v0.2.0
[INFO] [stderr]     Checking multipart v0.16.1
[INFO] [stderr]    Compiling rocket_codegen v0.4.4
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]     Checking comrak v0.6.2
[INFO] [stderr]     Checking rocket v0.4.4
[INFO] [stderr]     Checking rocket_contrib v0.4.4
[INFO] [stderr]     Checking rustrestapitest v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0557]: feature has been removed
[INFO] [stderr]  --> src/main.rs:2:20
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(plugin, custom_attribute)]
[INFO] [stderr]   |                    ^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stderr]   |
[INFO] [stderr]   = note: removed in favor of `#![register_tool]` and `#![register_attr]`
[INFO] [stderr] 
[INFO] [stderr] error[E0557]: feature has been removed
[INFO] [stderr]  --> src/main.rs:2:20
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(plugin, custom_attribute)]
[INFO] [stderr]   |                    ^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stderr]   |
[INFO] [stderr]   = note: removed in favor of `#![register_tool]` and `#![register_attr]`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0557`.
[INFO] [stderr] error: could not compile `rustrestapitest`.
[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: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0557`.
[INFO] [stderr] error: could not compile `rustrestapitest`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "c1e9d8b6368c543fa455686b3df739435c25e097b23311bdb23451a85b15cadc"`
[INFO] running `"docker" "rm" "-f" "c1e9d8b6368c543fa455686b3df739435c25e097b23311bdb23451a85b15cadc"`
[INFO] [stdout] c1e9d8b6368c543fa455686b3df739435c25e097b23311bdb23451a85b15cadc