[INFO] cloning repository https://github.com/luis-vmjr/freedu
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luis-vmjr/freedu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluis-vmjr%2Ffreedu"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluis-vmjr%2Ffreedu'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] aee7589a31c4e88cec5b8092aa499ca2b413359f
[INFO] checking luis-vmjr/freedu against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluis-vmjr%2Ffreedu" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/luis-vmjr/freedu on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/luis-vmjr/freedu
[INFO] finished tweaking git repo https://github.com/luis-vmjr/freedu
[INFO] tweaked toml for git repo https://github.com/luis-vmjr/freedu written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/luis-vmjr/freedu already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 806df5cd812d22a7091fb5f49e33f69a534c9b72b7155e22316a45424bd5f8fd
[INFO] running `"docker" "start" "-a" "806df5cd812d22a7091fb5f49e33f69a534c9b72b7155e22316a45424bd5f8fd"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]    Compiling proc-macro2 v0.4.19
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling serde v1.0.79
[INFO] [stderr]    Compiling httparse v1.3.2
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]     Checking unicode-normalization v0.1.7
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling pq-sys v0.4.6
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]     Checking same-file v1.0.4
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]     Checking modifier v0.1.0
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking constant_time_eq v0.1.3
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]     Checking arrayref v0.3.5
[INFO] [stderr]     Checking groupable v0.2.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]    Compiling log v0.4.5
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]    Compiling base64 v0.6.0
[INFO] [stderr]    Compiling pest v2.1.1
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking slice-deque v0.1.13
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking filetime v0.2.5
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]     Checking walkdir v2.2.7
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]    Compiling pear_codegen v0.1.2
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]    Compiling rocket_codegen v0.4.2
[INFO] [stderr]    Compiling rocket v0.4.2
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking smallvec v0.6.5
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]     Checking mio v0.6.18
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling url v1.7.1
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]    Compiling pest_meta v2.1.1
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]     Checking mustache v0.8.2
[INFO] [stderr]    Compiling diesel v0.16.0
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]     Checking parking_lot v0.5.5
[INFO] [stderr]    Compiling phf_shared v0.7.23
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]    Compiling hyper v0.10.13
[INFO] [stderr]    Compiling syn v0.15.4
[INFO] [stderr]    Compiling aho-corasick v0.6.8
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking buf_redux v0.7.1
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]     Checking notify v4.0.12
[INFO] [stderr]     Checking digest v0.7.5
[INFO] [stderr]     Checking crypto-mac v0.5.2
[INFO] [stderr]     Checking phf v0.7.23
[INFO] [stderr]    Compiling phf_codegen v0.7.23
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking hmac v0.5.0
[INFO] [stderr]     Checking blake2 v0.7.1
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling mime_guess v1.8.6
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]     Checking cookie v0.11.1
[INFO] [stderr]     Checking nickel v0.10.1
[INFO] [stderr]     Checking iron v0.6.0
[INFO] [stderr]    Compiling derive-error-chain v0.10.1
[INFO] [stderr]    Compiling pest_derive v1.0.8
[INFO] [stderr]    Compiling diesel_derives v1.3.0
[INFO] [stderr]    Compiling diesel_infer_schema v0.16.0
[INFO] [stderr]    Compiling dotenv v0.10.1
[INFO] [stderr]    Compiling devise_core v0.2.0
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]     Checking diesel v1.3.3
[INFO] [stderr]    Compiling serde_derive v1.0.79
[INFO] [stderr]    Compiling devise_codegen v0.2.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling devise v0.2.0
[INFO] [stderr]    Compiling pear v0.1.2
[INFO] [stderr]     Checking rocket_http v0.4.2
[INFO] [stderr]    Compiling serde_json v1.0.28
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking tiny_http v0.6.0
[INFO] [stderr]     Checking handlebars v1.1.0
[INFO] [stderr]     Checking handlebars v0.32.4
[INFO] [stderr]    Compiling diesel_codegen v0.16.1
[INFO] [stderr]     Checking multipart v0.15.3
[INFO] [stderr]     Checking rocket_contrib v0.4.2
[INFO] [stderr]     Checking freedu v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0557]: feature has been removed
[INFO] [stderr]  --> src/main.rs:4:44
[INFO] [stderr]   |
[INFO] [stderr] 4 | #![feature(proc_macro_hygiene, decl_macro, 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:4:44
[INFO] [stderr]   |
[INFO] [stderr] 4 | #![feature(proc_macro_hygiene, decl_macro, 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 `freedu`.
[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 `freedu`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "806df5cd812d22a7091fb5f49e33f69a534c9b72b7155e22316a45424bd5f8fd"`
[INFO] running `"docker" "rm" "-f" "806df5cd812d22a7091fb5f49e33f69a534c9b72b7155e22316a45424bd5f8fd"`
[INFO] [stdout] 806df5cd812d22a7091fb5f49e33f69a534c9b72b7155e22316a45424bd5f8fd