Dec 11 22:42:25.465 INFO checking amedviediev/data-generator against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 22:42:25.465 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 11 22:42:25.882 INFO [stdout] fab461fa452ce154ef6fda90cbc8ce2edd8cfebe5c0ab4fc7828487f57f47c7c
Dec 11 22:42:25.888 INFO running `"docker" "start" "-a" "fab461fa452ce154ef6fda90cbc8ce2edd8cfebe5c0ab4fc7828487f57f47c7c"`
Dec 11 22:42:26.847 INFO [stderr] usermod: no changes
Dec 11 22:42:27.055 INFO [stderr]     Checking serde v1.0.47
Dec 11 22:42:27.056 INFO [stderr]     Checking Inflector v0.11.3
Dec 11 22:42:27.057 INFO [stderr]     Checking parking_lot_core v0.2.14
Dec 11 22:42:27.057 INFO [stderr]     Checking names v0.10.0
Dec 11 22:42:29.040 INFO [stderr]     Checking parking_lot v0.5.5
Dec 11 22:42:30.452 INFO [stderr]     Checking console v0.6.1
Dec 11 22:42:32.740 INFO [stderr]     Checking indicatif v0.9.0
Dec 11 22:42:39.398 INFO [stderr]     Checking chrono v0.4.2
Dec 11 22:42:39.399 INFO [stderr]     Checking serde_json v1.0.17
Dec 11 22:42:42.703 INFO [stderr]     Checking data-generator v0.1.0 (/source)
Dec 11 22:42:45.260 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:42:45.260 INFO [stderr]   --> src/generator.rs:35:5
Dec 11 22:42:45.260 INFO [stderr]    |
Dec 11 22:42:45.260 INFO [stderr] 35 |     write!(file, "[");
Dec 11 22:42:45.260 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 11 22:42:45.260 INFO [stderr]    |
Dec 11 22:42:45.260 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 22:42:45.260 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:42:45.260 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 11 22:42:45.260 INFO [stderr] 
Dec 11 22:42:45.260 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:42:45.260 INFO [stderr]   --> src/generator.rs:59:13
Dec 11 22:42:45.260 INFO [stderr]    |
Dec 11 22:42:45.260 INFO [stderr] 59 |             file.write(string.as_bytes());
Dec 11 22:42:45.260 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:42:45.260 INFO [stderr]    |
Dec 11 22:42:45.260 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:42:45.261 INFO [stderr] 
Dec 11 22:42:45.261 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:42:45.261 INFO [stderr]   --> src/generator.rs:62:13
Dec 11 22:42:45.261 INFO [stderr]    |
Dec 11 22:42:45.261 INFO [stderr] 62 |             file.write(string.as_bytes());
Dec 11 22:42:45.261 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:42:45.261 INFO [stderr]    |
Dec 11 22:42:45.261 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:42:45.261 INFO [stderr] 
Dec 11 22:42:45.261 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:42:45.261 INFO [stderr]   --> src/generator.rs:66:13
Dec 11 22:42:45.261 INFO [stderr]    |
Dec 11 22:42:45.261 INFO [stderr] 66 |             write!(file, ",");
Dec 11 22:42:45.261 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^
Dec 11 22:42:45.261 INFO [stderr]    |
Dec 11 22:42:45.261 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:42:45.261 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 11 22:42:45.261 INFO [stderr] 
Dec 11 22:42:45.261 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:42:45.261 INFO [stderr]   --> src/generator.rs:72:5
Dec 11 22:42:45.261 INFO [stderr]    |
Dec 11 22:42:45.261 INFO [stderr] 72 |     write!(file, "]");
Dec 11 22:42:45.261 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 11 22:42:45.261 INFO [stderr]    |
Dec 11 22:42:45.261 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:42:45.261 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 11 22:42:45.261 INFO [stderr] 
Dec 11 22:42:45.703 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:42:45.703 INFO [stderr]   --> src/generator.rs:35:5
Dec 11 22:42:45.703 INFO [stderr]    |
Dec 11 22:42:45.703 INFO [stderr] 35 |     write!(file, "[");
Dec 11 22:42:45.704 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 11 22:42:45.704 INFO [stderr]    |
Dec 11 22:42:45.704 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 22:42:45.704 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:42:45.704 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 11 22:42:45.704 INFO [stderr] 
Dec 11 22:42:45.704 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:42:45.704 INFO [stderr]   --> src/generator.rs:59:13
Dec 11 22:42:45.705 INFO [stderr]    |
Dec 11 22:42:45.705 INFO [stderr] 59 |             file.write(string.as_bytes());
Dec 11 22:42:45.705 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:42:45.705 INFO [stderr]    |
Dec 11 22:42:45.706 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:42:45.706 INFO [stderr] 
Dec 11 22:42:45.706 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:42:45.706 INFO [stderr]   --> src/generator.rs:62:13
Dec 11 22:42:45.706 INFO [stderr]    |
Dec 11 22:42:45.706 INFO [stderr] 62 |             file.write(string.as_bytes());
Dec 11 22:42:45.706 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:42:45.706 INFO [stderr]    |
Dec 11 22:42:45.706 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:42:45.706 INFO [stderr] 
Dec 11 22:42:45.706 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:42:45.706 INFO [stderr]   --> src/generator.rs:66:13
Dec 11 22:42:45.706 INFO [stderr]    |
Dec 11 22:42:45.706 INFO [stderr] 66 |             write!(file, ",");
Dec 11 22:42:45.706 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^
Dec 11 22:42:45.706 INFO [stderr]    |
Dec 11 22:42:45.706 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:42:45.706 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 11 22:42:45.706 INFO [stderr] 
Dec 11 22:42:45.706 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:42:45.706 INFO [stderr]   --> src/generator.rs:72:5
Dec 11 22:42:45.706 INFO [stderr]    |
Dec 11 22:42:45.706 INFO [stderr] 72 |     write!(file, "]");
Dec 11 22:42:45.706 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 11 22:42:45.706 INFO [stderr]    |
Dec 11 22:42:45.706 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:42:45.706 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 11 22:42:45.706 INFO [stderr] 
Dec 11 22:42:49.274 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.39s
Dec 11 22:42:49.280 INFO [stderr] su: No module specific data is present
Dec 11 22:42:49.640 INFO running `"docker" "inspect" "fab461fa452ce154ef6fda90cbc8ce2edd8cfebe5c0ab4fc7828487f57f47c7c"`
Dec 11 22:42:49.932 INFO running `"docker" "rm" "-f" "fab461fa452ce154ef6fda90cbc8ce2edd8cfebe5c0ab4fc7828487f57f47c7c"`
Dec 11 22:42:50.070 INFO [stdout] fab461fa452ce154ef6fda90cbc8ce2edd8cfebe5c0ab4fc7828487f57f47c7c