[INFO] updating cached repository https://github.com/plant42/Voiceable-Slack-Challenge
[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] 7f42a242115b12ab80c4fc8f04be6c6f4c9c965c
[INFO] checking plant42/Voiceable-Slack-Challenge against try#13f916f63bc6575d5ff1f989237dfabe88981368 for pr-69880
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplant42%2FVoiceable-Slack-Challenge" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/plant42/Voiceable-Slack-Challenge on toolchain 13f916f63bc6575d5ff1f989237dfabe88981368
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/plant42/Voiceable-Slack-Challenge
[INFO] finished tweaking git repo https://github.com/plant42/Voiceable-Slack-Challenge
[INFO] tweaked toml for git repo https://github.com/plant42/Voiceable-Slack-Challenge written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/plant42/Voiceable-Slack-Challenge already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+13f916f63bc6575d5ff1f989237dfabe88981368" "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] 6ee8fbf36ed1ac3b1f3e9313b0d34c5c8b3244d352dfab72051d748a920eb0e9
[INFO] running `"docker" "start" "-a" "6ee8fbf36ed1ac3b1f3e9313b0d34c5c8b3244d352dfab72051d748a920eb0e9"`
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.2.2
[INFO] [stderr]    Compiling openssl-sys v0.9.47
[INFO] [stderr]     Checking miniz_oxide v0.2.2
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling parking_lot_core v0.6.1
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling hyper v0.12.33
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]     Checking http v0.1.17
[INFO] [stderr]     Checking tokio-threadpool v0.1.15
[INFO] [stderr]     Checking publicsuffix v1.5.2
[INFO] [stderr]     Checking clokwerk v0.2.1
[INFO] [stderr]     Checking cookie v0.11.1
[INFO] [stderr]     Checking flate2 v1.0.9
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]    Compiling openssl v0.10.23
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.2
[INFO] [stderr]     Checking h2 v0.1.25
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking r2d2 v0.8.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling devise_core v0.2.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.97
[INFO] [stderr]    Compiling pear_codegen v0.1.2
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling diesel_derives v1.4.0
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling devise_codegen v0.2.0
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]    Compiling pear v0.1.2
[INFO] [stderr]    Compiling devise v0.2.0
[INFO] [stderr]     Checking rocket_http v0.4.2
[INFO] [stderr]     Checking diesel v1.4.2
[INFO] [stderr]     Checking serde v1.0.97
[INFO] [stderr]    Compiling rocket_codegen v0.4.2
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking rocket v0.4.2
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking handlebars v1.1.0
[INFO] [stderr]     Checking reqwest v0.9.18
[INFO] [stderr]     Checking rocket_contrib v0.4.2
[INFO] [stderr] error[E0463]: can't find crate for `notify`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rocket_contrib-0.4.2/src/templates/fairing.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     extern crate notify;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: could not compile `rocket_contrib`.
[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 `"docker" "inspect" "6ee8fbf36ed1ac3b1f3e9313b0d34c5c8b3244d352dfab72051d748a920eb0e9"`
[INFO] running `"docker" "rm" "-f" "6ee8fbf36ed1ac3b1f3e9313b0d34c5c8b3244d352dfab72051d748a920eb0e9"`
[INFO] [stdout] 6ee8fbf36ed1ac3b1f3e9313b0d34c5c8b3244d352dfab72051d748a920eb0e9