[INFO] cloning repository https://github.com/benaryorg/rust-studious_octo_computing_machine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/benaryorg/rust-studious_octo_computing_machine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenaryorg%2Frust-studious_octo_computing_machine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenaryorg%2Frust-studious_octo_computing_machine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7cb55fa1dc96191b2b0ea6e51d02e7f75d290861
[INFO] checking benaryorg/rust-studious_octo_computing_machine against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenaryorg%2Frust-studious_octo_computing_machine" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/benaryorg/rust-studious_octo_computing_machine on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/benaryorg/rust-studious_octo_computing_machine
[INFO] finished tweaking git repo https://github.com/benaryorg/rust-studious_octo_computing_machine
[INFO] tweaked toml for git repo https://github.com/benaryorg/rust-studious_octo_computing_machine written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/benaryorg/rust-studious_octo_computing_machine already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-7/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quick-error v0.1.4
[INFO] [stderr]   Downloaded flexi_logger v0.3.3
[INFO] [stderr]   Downloaded threadpool v0.1.4
[INFO] [stderr]   Downloaded daemonize v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2919f0f1f9388556fe0572e22a35398ae59a01880b2f0192fbd47e8cfd63ade8
[INFO] running `Command { std: "docker" "start" "-a" "2919f0f1f9388556fe0572e22a35398ae59a01880b2f0192fbd47e8cfd63ade8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2919f0f1f9388556fe0572e22a35398ae59a01880b2f0192fbd47e8cfd63ade8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2919f0f1f9388556fe0572e22a35398ae59a01880b2f0192fbd47e8cfd63ade8", kill_on_drop: false }`
[INFO] [stdout] 2919f0f1f9388556fe0572e22a35398ae59a01880b2f0192fbd47e8cfd63ade8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ea3df5a3ad5b09d73e084321ecdedd107b1465388fa28f3f0b0f04e239c17e8b
[INFO] running `Command { std: "docker" "start" "-a" "ea3df5a3ad5b09d73e084321ecdedd107b1465388fa28f3f0b0f04e239c17e8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking quick-error v0.1.4
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking threadpool v0.1.4
[INFO] [stderr]     Checking atom v0.3.5
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking unix_socket v0.5.0
[INFO] [stderr]     Checking daemonize v0.1.2
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking flexi_logger v0.3.3
[INFO] [stdout] error[E0432]: unresolved imports `log::LogLevel`, `log::LogLevelFilter`, `log::LogMetadata`, `log::LogRecord`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/flexi_logger-0.3.3/src/flexi_logger.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | use log::{self,Log,LogLevel,LogLevelFilter,LogMetadata,LogRecord};
[INFO] [stdout]   |                    ^^^^^^^^ ^^^^^^^^^^^^^^ ^^^^^^^^^^^ ^^^^^^^^^ no `LogRecord` in the root
[INFO] [stdout]   |                    |        |              |
[INFO] [stdout]   |                    |        |              no `LogMetadata` in the root
[INFO] [stdout]   |                    |        no `LogLevelFilter` in the root
[INFO] [stdout]   |                    no `LogLevel` in the root
[INFO] [stdout]   |
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]   |
[INFO] [stdout] 4 | use log::{self,Log,LogLevel,LevelFilter,LogMetadata,LogRecord};
[INFO] [stdout]   |                             ^^^^^^^^^^^
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]   |
[INFO] [stdout] 4 | use log::{self,Log,LogLevel,LogLevelFilter,Metadata,LogRecord};
[INFO] [stdout]   |                                            ^^^^^^^^
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]   |
[INFO] [stdout] 4 | use log::{self,Log,LogLevel,LogLevelFilter,LogMetadata,Record};
[INFO] [stdout]   |                                                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `log::LogRecord`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/flexi_logger-0.3.3/src/formats.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use log::LogRecord;
[INFO] [stdout]   |     ^^^^^---------
[INFO] [stdout]   |     |    |
[INFO] [stdout]   |     |    help: a similar name exists in the module: `Record`
[INFO] [stdout]   |     no `LogRecord` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `log::LogRecord`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/flexi_logger-0.3.3/src/log_config.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use log::LogRecord;
[INFO] [stdout]   |     ^^^^^---------
[INFO] [stdout]   |     |    |
[INFO] [stdout]   |     |    help: a similar name exists in the module: `Record`
[INFO] [stdout]   |     no `LogRecord` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `log::LogLevel`, `log::LogLevelFilter`, `log::LogRecord`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/flexi_logger-0.3.3/src/lib.rs:72:15
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub use log::{LogLevel,LogLevelFilter,LogRecord};
[INFO] [stdout]    |               ^^^^^^^^ ^^^^^^^^^^^^^^ ^^^^^^^^^ no `LogRecord` in the root
[INFO] [stdout]    |               |        |
[INFO] [stdout]    |               |        no `LogLevelFilter` in the root
[INFO] [stdout]    |               no `LogLevel` in the root
[INFO] [stdout]    |
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub use log::{LogLevel,LevelFilter,LogRecord};
[INFO] [stdout]    |                        ^^^^^^^^^^^
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub use log::{LogLevel,LogLevelFilter,Record};
[INFO] [stdout]    |                                       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0046]: not all trait items implemented, missing: `flush`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/flexi_logger-0.3.3/src/flexi_logger.rs:82:1
[INFO] [stdout]    |
[INFO] [stdout] 82 | impl Log for FlexiLogger {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^ missing `flush` in implementation
[INFO] [stdout]    |
[INFO] [stdout]    = help: implement the missing item: `fn flush(&self) { todo!() }`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0046, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0046`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `flexi_logger`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "ea3df5a3ad5b09d73e084321ecdedd107b1465388fa28f3f0b0f04e239c17e8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea3df5a3ad5b09d73e084321ecdedd107b1465388fa28f3f0b0f04e239c17e8b", kill_on_drop: false }`
[INFO] [stdout] ea3df5a3ad5b09d73e084321ecdedd107b1465388fa28f3f0b0f04e239c17e8b
