[INFO] updating cached repository https://github.com/dinowernli/marvin
[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] 23542259fb7998ddf26a6c45d7c05debb18f204b
[INFO] checking dinowernli/marvin against beta-2019-10-27 for pr-65897
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdinowernli%2Fmarvin" "/workspace/builds/worker-11/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dinowernli/marvin on toolchain beta-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/dinowernli/marvin
[INFO] finished tweaking git repo https://github.com/dinowernli/marvin
[INFO] tweaked toml for git repo https://github.com/dinowernli/marvin written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/dinowernli/marvin already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-11/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=allow" "-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" "+beta-2019-10-27" "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] 7b48e517495e7ebd867510785a12471ac21d5ebd085548ce6b2403020338cddc
[INFO] running `"docker" "start" "-a" "7b48e517495e7ebd867510785a12471ac21d5ebd085548ce6b2403020338cddc"`
[INFO] [stderr]     Checking ai v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved imports `log::LogLevel`, `log::LogMetadata`, `log::LogRecord`
[INFO] [stderr]   --> src/logger.rs:28:11
[INFO] [stderr]    |
[INFO] [stderr] 28 | use log::{LogLevel, LogMetadata, LogRecord};
[INFO] [stderr]    |           ^^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^^ no `LogRecord` in the root
[INFO] [stderr]    |           |         |
[INFO] [stderr]    |           |         no `LogMetadata` in the root
[INFO] [stderr]    |           no `LogLevel` in the root
[INFO] [stderr] help: a similar name exists in the module
[INFO] [stderr]    |
[INFO] [stderr] 28 | use log::{LogLevel, Metadata, LogRecord};
[INFO] [stderr]    |                     ^^^^^^^^
[INFO] [stderr] help: a similar name exists in the module
[INFO] [stderr]    |
[INFO] [stderr] 28 | use log::{LogLevel, LogMetadata, Record};
[INFO] [stderr]    |                                  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0046]: not all trait items implemented, missing: `flush`
[INFO] [stderr]   --> src/logger.rs:44:1
[INFO] [stderr]    |
[INFO] [stderr] 44 | impl log::Log for StdoutLogger {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `flush` in implementation
[INFO] [stderr]    |
[INFO] [stderr]    = note: `flush` from trait: `fn(&Self)`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0046, E0432.
[INFO] [stderr] For more information about an error, try `rustc --explain E0046`.
[INFO] [stderr] error: could not compile `ai`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0432]: unresolved imports `log::LogLevel`, `log::LogMetadata`, `log::LogRecord`
[INFO] [stderr]   --> src/logger.rs:28:11
[INFO] [stderr]    |
[INFO] [stderr] 28 | use log::{LogLevel, LogMetadata, LogRecord};
[INFO] [stderr]    |           ^^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^^ no `LogRecord` in the root
[INFO] [stderr]    |           |         |
[INFO] [stderr]    |           |         no `LogMetadata` in the root
[INFO] [stderr]    |           no `LogLevel` in the root
[INFO] [stderr] help: a similar name exists in the module
[INFO] [stderr]    |
[INFO] [stderr] 28 | use log::{LogLevel, Metadata, LogRecord};
[INFO] [stderr]    |                     ^^^^^^^^
[INFO] [stderr] help: a similar name exists in the module
[INFO] [stderr]    |
[INFO] [stderr] 28 | use log::{LogLevel, LogMetadata, Record};
[INFO] [stderr]    |                                  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0046]: not all trait items implemented, missing: `flush`
[INFO] [stderr]   --> src/logger.rs:44:1
[INFO] [stderr]    |
[INFO] [stderr] 44 | impl log::Log for StdoutLogger {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `flush` in implementation
[INFO] [stderr]    |
[INFO] [stderr]    = note: `flush` from trait: `fn(&Self)`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0046, E0432.
[INFO] [stderr] For more information about an error, try `rustc --explain E0046`.
[INFO] [stderr] error: could not compile `ai`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "7b48e517495e7ebd867510785a12471ac21d5ebd085548ce6b2403020338cddc"`
[INFO] running `"docker" "rm" "-f" "7b48e517495e7ebd867510785a12471ac21d5ebd085548ce6b2403020338cddc"`
[INFO] [stdout] 7b48e517495e7ebd867510785a12471ac21d5ebd085548ce6b2403020338cddc