Dec 01 19:44:23.041 INFO documenting amedviediev/data-generator against try#f86f76f89ea2b1ccbfb3741962ec2029d878a389 for pr-55318-1
Dec 01 19:44:23.041 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318-1/worker-5/try#f86f76f89ea2b1ccbfb3741962ec2029d878a389:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55318-1/try#f86f76f89ea2b1ccbfb3741962ec2029d878a389:/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 +f86f76f89ea2b1ccbfb3741962ec2029d878a389-alt doc --frozen --no-deps --document-private-items" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 19:44:23.688 INFO [stdout] 453de8c0e8cdcbc36e24a0cacd346727def3c9af49d405762d4a09f43bddd6cd
Dec 01 19:44:23.691 INFO running `"docker" "start" "-a" "453de8c0e8cdcbc36e24a0cacd346727def3c9af49d405762d4a09f43bddd6cd"`
Dec 01 19:44:24.831 INFO [stderr] usermod: no changes
Dec 01 19:44:25.037 INFO [stderr]     Checking serde v1.0.47
Dec 01 19:44:25.038 INFO [stderr]     Checking names v0.10.0
Dec 01 19:44:25.040 INFO [stderr]    Compiling serde_derive v1.0.50
Dec 01 19:44:25.040 INFO [stderr]     Checking indicatif v0.9.0
Dec 01 19:44:39.800 INFO [stderr]     Checking chrono v0.4.2
Dec 01 19:44:39.810 INFO [stderr]     Checking serde_json v1.0.17
Dec 01 19:44:42.686 INFO [stderr]     Checking data-generator v0.1.0 (/source)
Dec 01 19:44:42.686 INFO [stderr]  Documenting data-generator v0.1.0 (/source)
Dec 01 19:44:44.607 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 19:44:44.607 INFO [stderr]   --> src/generator.rs:35:5
Dec 01 19:44:44.607 INFO [stderr]    |
Dec 01 19:44:44.607 INFO [stderr] 35 |     write!(file, "[");
Dec 01 19:44:44.607 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 01 19:44:44.607 INFO [stderr]    |
Dec 01 19:44:44.607 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 01 19:44:44.607 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 19:44:44.607 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 01 19:44:44.608 INFO [stderr] 
Dec 01 19:44:44.608 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 19:44:44.608 INFO [stderr]   --> src/generator.rs:59:13
Dec 01 19:44:44.608 INFO [stderr]    |
Dec 01 19:44:44.608 INFO [stderr] 59 |             file.write(string.as_bytes());
Dec 01 19:44:44.608 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 19:44:44.608 INFO [stderr]    |
Dec 01 19:44:44.608 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 19:44:44.608 INFO [stderr] 
Dec 01 19:44:44.608 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 19:44:44.608 INFO [stderr]   --> src/generator.rs:62:13
Dec 01 19:44:44.608 INFO [stderr]    |
Dec 01 19:44:44.608 INFO [stderr] 62 |             file.write(string.as_bytes());
Dec 01 19:44:44.608 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 19:44:44.608 INFO [stderr]    |
Dec 01 19:44:44.608 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 19:44:44.608 INFO [stderr] 
Dec 01 19:44:44.608 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 19:44:44.608 INFO [stderr]   --> src/generator.rs:66:13
Dec 01 19:44:44.608 INFO [stderr]    |
Dec 01 19:44:44.608 INFO [stderr] 66 |             write!(file, ",");
Dec 01 19:44:44.608 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^
Dec 01 19:44:44.608 INFO [stderr]    |
Dec 01 19:44:44.608 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 19:44:44.608 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 01 19:44:44.608 INFO [stderr] 
Dec 01 19:44:44.608 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 19:44:44.608 INFO [stderr]   --> src/generator.rs:72:5
Dec 01 19:44:44.608 INFO [stderr]    |
Dec 01 19:44:44.608 INFO [stderr] 72 |     write!(file, "]");
Dec 01 19:44:44.608 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 01 19:44:44.608 INFO [stderr]    |
Dec 01 19:44:44.608 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 19:44:44.608 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 01 19:44:44.608 INFO [stderr] 
Dec 01 19:44:49.712 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.86s
Dec 01 19:44:49.720 INFO [stderr] su: No module specific data is present
Dec 01 19:44:50.106 INFO running `"docker" "inspect" "453de8c0e8cdcbc36e24a0cacd346727def3c9af49d405762d4a09f43bddd6cd"`
Dec 01 19:44:50.280 INFO running `"docker" "rm" "-f" "453de8c0e8cdcbc36e24a0cacd346727def3c9af49d405762d4a09f43bddd6cd"`
Dec 01 19:44:50.422 INFO [stdout] 453de8c0e8cdcbc36e24a0cacd346727def3c9af49d405762d4a09f43bddd6cd