[INFO] crate systemd-crontab-generator 1.0.2 is already in cache
[INFO] extracting crate systemd-crontab-generator 1.0.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/systemd-crontab-generator/1.0.2
[INFO] extracting crate systemd-crontab-generator 1.0.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/systemd-crontab-generator/1.0.2
[INFO] validating manifest of systemd-crontab-generator-1.0.2 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of systemd-crontab-generator-1.0.2 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing systemd-crontab-generator-1.0.2
[INFO] finished frobbing systemd-crontab-generator-1.0.2
[INFO] frobbed toml for systemd-crontab-generator-1.0.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/systemd-crontab-generator/1.0.2/Cargo.toml
[INFO] started frobbing systemd-crontab-generator-1.0.2
[INFO] finished frobbing systemd-crontab-generator-1.0.2
[INFO] frobbed toml for systemd-crontab-generator-1.0.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/systemd-crontab-generator/1.0.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing systemd-crontab-generator-1.0.2 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/systemd-crontab-generator/1.0.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 5bca05b21fdb0d5063fb9a2cfc402cfc122ba118a4209d83051fb3842c83ab98
[INFO] running `"docker" "start" "-a" "5bca05b21fdb0d5063fb9a2cfc402cfc122ba118a4209d83051fb3842c83ab98"`
[INFO] [stderr]    Compiling quick-error v0.1.4
[INFO] [stderr]    Compiling md5 v0.1.1
[INFO] [stderr]    Compiling pgs-files v0.0.6
[INFO] [stderr]    Compiling pulldown-cmark v0.0.3
[INFO] [stderr]    Compiling users v0.5.3
[INFO] [stderr]    Compiling kernlog v0.2.1
[INFO] [stderr]    Compiling tempfile v1.1.3
[INFO] [stderr]    Compiling handlebars v0.12.1
[INFO] [stderr] error[E0432]: unresolved imports `log::LogMetadata`, `log::LogRecord`, `log::LogLevel`, `log::MaxLogLevelFilter`, `log::LogLevelFilter`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/kernlog-0.2.1/src/lib.rs:54:16
[INFO] [stderr]    |
[INFO] [stderr] 54 | use log::{Log, LogMetadata, LogRecord, LogLevel, MaxLogLevelFilter, LogLevelFilter, SetLoggerError};
[INFO] [stderr]    |                ^^^^^^^^^^^  ^^^^^^^^^  ^^^^^^^^  ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^ no `LogLevelFilter` in the root
[INFO] [stderr]    |                |            |          |         |
[INFO] [stderr]    |                |            |          |         no `MaxLogLevelFilter` in the root
[INFO] [stderr]    |                |            |          no `LogLevel` in the root
[INFO] [stderr]    |                |            no `LogRecord` in the root
[INFO] [stderr]    |                no `LogMetadata` in the root
[INFO] [stderr] help: a similar name exists in the module
[INFO] [stderr]    |
[INFO] [stderr] 54 | use log::{Log, Metadata, LogRecord, LogLevel, MaxLogLevelFilter, LogLevelFilter, SetLoggerError};
[INFO] [stderr]    |                ^^^^^^^^
[INFO] [stderr] help: a similar name exists in the module
[INFO] [stderr]    |
[INFO] [stderr] 54 | use log::{Log, LogMetadata, Record, LogLevel, MaxLogLevelFilter, LogLevelFilter, SetLoggerError};
[INFO] [stderr]    |                             ^^^^^^
[INFO] [stderr] help: a similar name exists in the module
[INFO] [stderr]    |
[INFO] [stderr] 54 | use log::{Log, LogMetadata, LogRecord, LogLevel, MaxLogLevelFilter, LevelFilter, SetLoggerError};
[INFO] [stderr]    |                                                                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0046]: not all trait items implemented, missing: `flush`
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/kernlog-0.2.1/src/lib.rs:101:1
[INFO] [stderr]     |
[INFO] [stderr] 101 | impl Log for KernelLog {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^ missing `flush` in implementation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `flush` from trait: `fn(&Self)`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/kernlog-0.2.1/src/lib.rs:157:21
[INFO] [stderr]     |
[INFO] [stderr] 157 |     log::set_logger(KernelLog::init)
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     expected reference, found fn item
[INFO] [stderr]     |                     help: consider borrowing here: `&KernelLog::init`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `&'static (dyn log::Log + 'static)`
[INFO] [stderr]                found type `fn([type error]) -> std::boxed::Box<(dyn log::Log + 'static)> {KernelLog::init}`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0046, E0308, E0432.
[INFO] [stderr] For more information about an error, try `rustc --explain E0046`.
[INFO] [stderr] error: Could not compile `kernlog`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "5bca05b21fdb0d5063fb9a2cfc402cfc122ba118a4209d83051fb3842c83ab98"`
[INFO] running `"docker" "rm" "-f" "5bca05b21fdb0d5063fb9a2cfc402cfc122ba118a4209d83051fb3842c83ab98"`
[INFO] [stdout] 5bca05b21fdb0d5063fb9a2cfc402cfc122ba118a4209d83051fb3842c83ab98