Dec 13 06:20:54.866 INFO testing redeff/cf_script against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 06:20:54.867 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-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 13 06:20:55.228 INFO [stdout] b791e752433ec9c05ceb909c36c2b591f33478e31aa344f4d9378efaaaa2d56b
Dec 13 06:20:55.235 INFO running `"docker" "start" "-a" "b791e752433ec9c05ceb909c36c2b591f33478e31aa344f4d9378efaaaa2d56b"`
Dec 13 06:20:56.247 INFO [stderr] usermod: no changes
Dec 13 06:20:56.431 INFO [stderr]    Compiling itoa v0.3.2
Dec 13 06:20:56.431 INFO [stderr]    Compiling md5 v0.3.5
Dec 13 06:20:56.435 INFO [stderr]    Compiling iovec v0.1.0
Dec 13 06:20:56.448 INFO [stderr]    Compiling net2 v0.2.31
Dec 13 06:20:56.448 INFO [stderr]    Compiling tokio-service v0.1.0
Dec 13 06:20:56.451 INFO [stderr]    Compiling futures-cpupool v0.1.5
Dec 13 06:20:56.452 INFO [stderr]    Compiling textwrap v0.8.0
Dec 13 06:20:56.453 INFO [stderr]    Compiling mime v0.3.3
Dec 13 06:20:57.244 INFO [stderr]    Compiling serde_json v1.0.2
Dec 13 06:20:59.091 INFO [stderr]    Compiling bytes v0.4.5
Dec 13 06:21:01.027 INFO [stderr]    Compiling clap v2.26.2
Dec 13 06:21:01.435 INFO [stderr]    Compiling mio v0.6.10
Dec 13 06:21:03.703 INFO [stderr]    Compiling tokio-io v0.1.2
Dec 13 06:21:09.255 INFO [stderr]    Compiling tokio-core v0.1.9
Dec 13 06:21:14.816 INFO [stderr]    Compiling tokio-proto v0.1.1
Dec 13 06:21:19.167 INFO [stderr]    Compiling hyper v0.11.2
Dec 13 06:21:38.024 INFO [stderr]    Compiling cf_script v0.1.0 (/source)
Dec 13 06:21:39.209 INFO [stderr] warning: unused `#[macro_use]` import
Dec 13 06:21:39.209 INFO [stderr]  --> src/main.rs:6:1
Dec 13 06:21:39.209 INFO [stderr]   |
Dec 13 06:21:39.209 INFO [stderr] 6 | #[macro_use]
Dec 13 06:21:39.209 INFO [stderr]   | ^^^^^^^^^^^^
Dec 13 06:21:39.209 INFO [stderr]   |
Dec 13 06:21:39.209 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 06:21:39.209 INFO [stderr] 
Dec 13 06:21:39.209 INFO [stderr] warning: unused `#[macro_use]` import
Dec 13 06:21:39.209 INFO [stderr]   --> src/main.rs:14:1
Dec 13 06:21:39.209 INFO [stderr]    |
Dec 13 06:21:39.209 INFO [stderr] 14 | #[macro_use]
Dec 13 06:21:39.209 INFO [stderr]    | ^^^^^^^^^^^^
Dec 13 06:21:39.209 INFO [stderr] 
Dec 13 06:21:39.209 INFO [stderr] warning: unused import: `network::get_page_streamed`
Dec 13 06:21:39.209 INFO [stderr]  --> src/auth/mod.rs:9:5
Dec 13 06:21:39.209 INFO [stderr]   |
Dec 13 06:21:39.209 INFO [stderr] 9 | use network::get_page_streamed;
Dec 13 06:21:39.209 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 06:21:39.209 INFO [stderr] 
Dec 13 06:21:39.209 INFO [stderr] warning: unused import: `errors`
Dec 13 06:21:39.209 INFO [stderr]   --> src/auth/mod.rs:12:5
Dec 13 06:21:39.209 INFO [stderr]    |
Dec 13 06:21:39.209 INFO [stderr] 12 | use errors;
Dec 13 06:21:39.209 INFO [stderr]    |     ^^^^^^
Dec 13 06:21:39.209 INFO [stderr] 
Dec 13 06:21:39.209 INFO [stderr] warning: unused import: `std::str`
Dec 13 06:21:39.209 INFO [stderr]  --> src/network/mod.rs:2:5
Dec 13 06:21:39.209 INFO [stderr]   |
Dec 13 06:21:39.209 INFO [stderr] 2 | use std::str;
Dec 13 06:21:39.209 INFO [stderr]   |     ^^^^^^^^
Dec 13 06:21:39.209 INFO [stderr] 
Dec 13 06:21:39.219 INFO [stderr] warning: unused import: `::cf_page::*`
Dec 13 06:21:39.219 INFO [stderr]  --> src/download/mod.rs:1:5
Dec 13 06:21:39.219 INFO [stderr]   |
Dec 13 06:21:39.219 INFO [stderr] 1 | use ::cf_page::*;
Dec 13 06:21:39.219 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 13 06:21:39.219 INFO [stderr] 
Dec 13 06:21:39.219 INFO [stderr] warning: unused import: `std::fs::*`
Dec 13 06:21:39.219 INFO [stderr]  --> src/download/mod.rs:9:5
Dec 13 06:21:39.219 INFO [stderr]   |
Dec 13 06:21:39.219 INFO [stderr] 9 | use std::fs::*;
Dec 13 06:21:39.219 INFO [stderr]   |     ^^^^^^^^^^
Dec 13 06:21:39.219 INFO [stderr] 
Dec 13 06:21:39.219 INFO [stderr] warning: unused import: `std::io::Write`
Dec 13 06:21:39.219 INFO [stderr]   --> src/download/mod.rs:10:5
Dec 13 06:21:39.219 INFO [stderr]    |
Dec 13 06:21:39.219 INFO [stderr] 10 | use std::io::Write;
Dec 13 06:21:39.219 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 13 06:21:39.219 INFO [stderr] 
Dec 13 06:21:39.219 INFO [stderr] warning: unused import: `std`
Dec 13 06:21:39.219 INFO [stderr]  --> src/cf_page.rs:1:5
Dec 13 06:21:39.219 INFO [stderr]   |
Dec 13 06:21:39.219 INFO [stderr] 1 | use std;
Dec 13 06:21:39.219 INFO [stderr]   |     ^^^
Dec 13 06:21:39.219 INFO [stderr] 
Dec 13 06:21:39.440 INFO [stderr] warning: unused import: `Stream`
Dec 13 06:21:39.440 INFO [stderr]  --> src/auth/mod.rs:4:23
Dec 13 06:21:39.440 INFO [stderr]   |
Dec 13 06:21:39.440 INFO [stderr] 4 | use futures::{Future, Stream};
Dec 13 06:21:39.440 INFO [stderr]   |                       ^^^^^^
Dec 13 06:21:39.440 INFO [stderr] 
Dec 13 06:21:39.534 INFO [stderr] warning: variant is never constructed: `C`
Dec 13 06:21:39.534 INFO [stderr]  --> src/auth/langs.rs:2:5
Dec 13 06:21:39.534 INFO [stderr]   |
Dec 13 06:21:39.534 INFO [stderr] 2 |     C,
Dec 13 06:21:39.534 INFO [stderr]   |     ^
Dec 13 06:21:39.534 INFO [stderr]   |
Dec 13 06:21:39.534 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 13 06:21:39.535 INFO [stderr] 
Dec 13 06:21:39.535 INFO [stderr] warning: variant is never constructed: `C11`
Dec 13 06:21:39.535 INFO [stderr]  --> src/auth/langs.rs:3:5
Dec 13 06:21:39.535 INFO [stderr]   |
Dec 13 06:21:39.535 INFO [stderr] 3 |     C11,
Dec 13 06:21:39.535 INFO [stderr]   |     ^^^
Dec 13 06:21:39.535 INFO [stderr] 
Dec 13 06:21:39.535 INFO [stderr] warning: variant is never constructed: `Cpp11`
Dec 13 06:21:39.535 INFO [stderr]  --> src/auth/langs.rs:4:5
Dec 13 06:21:39.535 INFO [stderr]   |
Dec 13 06:21:39.535 INFO [stderr] 4 |     Cpp11,
Dec 13 06:21:39.535 INFO [stderr]   |     ^^^^^
Dec 13 06:21:39.535 INFO [stderr] 
Dec 13 06:21:39.535 INFO [stderr] warning: variant is never constructed: `MVCpp`
Dec 13 06:21:39.535 INFO [stderr]  --> src/auth/langs.rs:6:5
Dec 13 06:21:39.535 INFO [stderr]   |
Dec 13 06:21:39.535 INFO [stderr] 6 |     MVCpp,
Dec 13 06:21:39.535 INFO [stderr]   |     ^^^^^
Dec 13 06:21:39.535 INFO [stderr] 
Dec 13 06:21:39.535 INFO [stderr] warning: variant is never constructed: `CsharpMono`
Dec 13 06:21:39.535 INFO [stderr]  --> src/auth/langs.rs:7:5
Dec 13 06:21:39.535 INFO [stderr]   |
Dec 13 06:21:39.535 INFO [stderr] 7 |     CsharpMono,
Dec 13 06:21:39.535 INFO [stderr]   |     ^^^^^^^^^^
Dec 13 06:21:39.535 INFO [stderr] 
Dec 13 06:21:39.535 INFO [stderr] warning: variant is never constructed: `CsharpNet`
Dec 13 06:21:39.535 INFO [stderr]  --> src/auth/langs.rs:8:5
Dec 13 06:21:39.535 INFO [stderr]   |
Dec 13 06:21:39.535 INFO [stderr] 8 |     CsharpNet,
Dec 13 06:21:39.535 INFO [stderr]   |     ^^^^^^^^^
Dec 13 06:21:39.535 INFO [stderr] 
Dec 13 06:21:39.535 INFO [stderr] warning: variant is never constructed: `D`
Dec 13 06:21:39.535 INFO [stderr]  --> src/auth/langs.rs:9:5
Dec 13 06:21:39.535 INFO [stderr]   |
Dec 13 06:21:39.535 INFO [stderr] 9 |     D,
Dec 13 06:21:39.535 INFO [stderr]   |     ^
Dec 13 06:21:39.535 INFO [stderr] 
Dec 13 06:21:39.535 INFO [stderr] warning: variant is never constructed: `Go`
Dec 13 06:21:39.535 INFO [stderr]   --> src/auth/langs.rs:10:5
Dec 13 06:21:39.535 INFO [stderr]    |
Dec 13 06:21:39.535 INFO [stderr] 10 |     Go,
Dec 13 06:21:39.535 INFO [stderr]    |     ^^
Dec 13 06:21:39.535 INFO [stderr] 
Dec 13 06:21:39.535 INFO [stderr] warning: variant is never constructed: `Haskell`
Dec 13 06:21:39.535 INFO [stderr]   --> src/auth/langs.rs:11:5
Dec 13 06:21:39.535 INFO [stderr]    |
Dec 13 06:21:39.535 INFO [stderr] 11 |     Haskell,
Dec 13 06:21:39.535 INFO [stderr]    |     ^^^^^^^
Dec 13 06:21:39.535 INFO [stderr] 
Dec 13 06:21:39.535 INFO [stderr] warning: variant is never constructed: `Java`
Dec 13 06:21:39.535 INFO [stderr]   --> src/auth/langs.rs:12:5
Dec 13 06:21:39.535 INFO [stderr]    |
Dec 13 06:21:39.535 INFO [stderr] 12 |     Java,
Dec 13 06:21:39.535 INFO [stderr]    |     ^^^^
Dec 13 06:21:39.535 INFO [stderr] 
Dec 13 06:21:39.535 INFO [stderr] warning: variant is never constructed: `Kotlin`
Dec 13 06:21:39.536 INFO [stderr]   --> src/auth/langs.rs:13:5
Dec 13 06:21:39.536 INFO [stderr]    |
Dec 13 06:21:39.536 INFO [stderr] 13 |     Kotlin,
Dec 13 06:21:39.536 INFO [stderr]    |     ^^^^^^
Dec 13 06:21:39.536 INFO [stderr] 
Dec 13 06:21:39.536 INFO [stderr] warning: variant is never constructed: `OCaml`
Dec 13 06:21:39.536 INFO [stderr]   --> src/auth/langs.rs:14:5
Dec 13 06:21:39.536 INFO [stderr]    |
Dec 13 06:21:39.536 INFO [stderr] 14 |     OCaml,
Dec 13 06:21:39.536 INFO [stderr]    |     ^^^^^
Dec 13 06:21:39.536 INFO [stderr] 
Dec 13 06:21:39.536 INFO [stderr] warning: variant is never constructed: `Delphi`
Dec 13 06:21:39.536 INFO [stderr]   --> src/auth/langs.rs:15:5
Dec 13 06:21:39.536 INFO [stderr]    |
Dec 13 06:21:39.536 INFO [stderr] 15 |     Delphi,
Dec 13 06:21:39.536 INFO [stderr]    |     ^^^^^^
Dec 13 06:21:39.536 INFO [stderr] 
Dec 13 06:21:39.536 INFO [stderr] warning: variant is never constructed: `Pascal`
Dec 13 06:21:39.536 INFO [stderr]   --> src/auth/langs.rs:16:5
Dec 13 06:21:39.536 INFO [stderr]    |
Dec 13 06:21:39.536 INFO [stderr] 16 |     Pascal,
Dec 13 06:21:39.536 INFO [stderr]    |     ^^^^^^
Dec 13 06:21:39.536 INFO [stderr] 
Dec 13 06:21:39.536 INFO [stderr] warning: variant is never constructed: `Perl`
Dec 13 06:21:39.536 INFO [stderr]   --> src/auth/langs.rs:17:5
Dec 13 06:21:39.536 INFO [stderr]    |
Dec 13 06:21:39.536 INFO [stderr] 17 |     Perl,
Dec 13 06:21:39.536 INFO [stderr]    |     ^^^^
Dec 13 06:21:39.536 INFO [stderr] 
Dec 13 06:21:39.536 INFO [stderr] warning: variant is never constructed: `PHP`
Dec 13 06:21:39.536 INFO [stderr]   --> src/auth/langs.rs:18:5
Dec 13 06:21:39.536 INFO [stderr]    |
Dec 13 06:21:39.536 INFO [stderr] 18 |     PHP,
Dec 13 06:21:39.536 INFO [stderr]    |     ^^^
Dec 13 06:21:39.536 INFO [stderr] 
Dec 13 06:21:39.537 INFO [stderr] warning: variant is never constructed: `Python2`
Dec 13 06:21:39.537 INFO [stderr]   --> src/auth/langs.rs:19:5
Dec 13 06:21:39.537 INFO [stderr]    |
Dec 13 06:21:39.537 INFO [stderr] 19 |     Python2,
Dec 13 06:21:39.537 INFO [stderr]    |     ^^^^^^^
Dec 13 06:21:39.537 INFO [stderr] 
Dec 13 06:21:39.537 INFO [stderr] warning: variant is never constructed: `Python3`
Dec 13 06:21:39.537 INFO [stderr]   --> src/auth/langs.rs:20:5
Dec 13 06:21:39.537 INFO [stderr]    |
Dec 13 06:21:39.537 INFO [stderr] 20 |     Python3,
Dec 13 06:21:39.537 INFO [stderr]    |     ^^^^^^^
Dec 13 06:21:39.537 INFO [stderr] 
Dec 13 06:21:39.537 INFO [stderr] warning: variant is never constructed: `PyPy2`
Dec 13 06:21:39.537 INFO [stderr]   --> src/auth/langs.rs:21:5
Dec 13 06:21:39.537 INFO [stderr]    |
Dec 13 06:21:39.537 INFO [stderr] 21 |     PyPy2,
Dec 13 06:21:39.537 INFO [stderr]    |     ^^^^^
Dec 13 06:21:39.537 INFO [stderr] 
Dec 13 06:21:39.537 INFO [stderr] warning: variant is never constructed: `PyPy3`
Dec 13 06:21:39.537 INFO [stderr]   --> src/auth/langs.rs:22:5
Dec 13 06:21:39.537 INFO [stderr]    |
Dec 13 06:21:39.537 INFO [stderr] 22 |     PyPy3,
Dec 13 06:21:39.537 INFO [stderr]    |     ^^^^^
Dec 13 06:21:39.537 INFO [stderr] 
Dec 13 06:21:39.537 INFO [stderr] warning: variant is never constructed: `JavaScript`
Dec 13 06:21:39.537 INFO [stderr]   --> src/auth/langs.rs:23:5
Dec 13 06:21:39.537 INFO [stderr]    |
Dec 13 06:21:39.537 INFO [stderr] 23 |     JavaScript,
Dec 13 06:21:39.537 INFO [stderr]    |     ^^^^^^^^^^
Dec 13 06:21:39.537 INFO [stderr] 
Dec 13 06:21:39.537 INFO [stderr] warning: variant is never constructed: `Rust`
Dec 13 06:21:39.537 INFO [stderr]   --> src/auth/langs.rs:24:5
Dec 13 06:21:39.537 INFO [stderr]    |
Dec 13 06:21:39.537 INFO [stderr] 24 |     Rust,
Dec 13 06:21:39.537 INFO [stderr]    |     ^^^^
Dec 13 06:21:39.537 INFO [stderr] 
Dec 13 06:21:39.537 INFO [stderr] warning: variant is never constructed: `Scala`
Dec 13 06:21:39.537 INFO [stderr]   --> src/auth/langs.rs:25:5
Dec 13 06:21:39.537 INFO [stderr]    |
Dec 13 06:21:39.537 INFO [stderr] 25 |     Scala,
Dec 13 06:21:39.537 INFO [stderr]    |     ^^^^^
Dec 13 06:21:39.537 INFO [stderr] 
Dec 13 06:21:39.537 INFO [stderr] warning: variant is never constructed: `WrongAnswer`
Dec 13 06:21:39.537 INFO [stderr]   --> src/auth/mod.rs:76:5
Dec 13 06:21:39.537 INFO [stderr]    |
Dec 13 06:21:39.537 INFO [stderr] 76 |     WrongAnswer(i32),
Dec 13 06:21:39.537 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 13 06:21:39.537 INFO [stderr] 
Dec 13 06:21:39.537 INFO [stderr] warning: variant is never constructed: `TimeLimit`
Dec 13 06:21:39.537 INFO [stderr]   --> src/auth/mod.rs:77:5
Dec 13 06:21:39.537 INFO [stderr]    |
Dec 13 06:21:39.537 INFO [stderr] 77 |     TimeLimit(i32),
Dec 13 06:21:39.537 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 13 06:21:39.537 INFO [stderr] 
Dec 13 06:21:39.537 INFO [stderr] warning: variant is never constructed: `MemoryLimit`
Dec 13 06:21:39.537 INFO [stderr]   --> src/auth/mod.rs:78:5
Dec 13 06:21:39.537 INFO [stderr]    |
Dec 13 06:21:39.537 INFO [stderr] 78 |     MemoryLimit(i32),
Dec 13 06:21:39.538 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 13 06:21:39.538 INFO [stderr] 
Dec 13 06:21:39.538 INFO [stderr] warning: variant is never constructed: `CompilationError`
Dec 13 06:21:39.538 INFO [stderr]   --> src/auth/mod.rs:79:5
Dec 13 06:21:39.538 INFO [stderr]    |
Dec 13 06:21:39.538 INFO [stderr] 79 |     CompilationError(String),
Dec 13 06:21:39.538 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 06:21:39.538 INFO [stderr] 
Dec 13 06:21:39.538 INFO [stderr] warning: variant is never constructed: `Connection`
Dec 13 06:21:39.538 INFO [stderr]  --> src/errors.rs:5:5
Dec 13 06:21:39.538 INFO [stderr]   |
Dec 13 06:21:39.538 INFO [stderr] 5 |     Connection,
Dec 13 06:21:39.538 INFO [stderr]   |     ^^^^^^^^^^
Dec 13 06:21:39.538 INFO [stderr] 
Dec 13 06:21:39.538 INFO [stderr] warning: variant is never constructed: `Internal`
Dec 13 06:21:39.538 INFO [stderr]  --> src/errors.rs:7:5
Dec 13 06:21:39.538 INFO [stderr]   |
Dec 13 06:21:39.538 INFO [stderr] 7 |     Internal,
Dec 13 06:21:39.538 INFO [stderr]   |     ^^^^^^^^
Dec 13 06:21:39.538 INFO [stderr] 
Dec 13 06:21:39.538 INFO [stderr] warning: variant is never constructed: `Os`
Dec 13 06:21:39.538 INFO [stderr]  --> src/errors.rs:8:5
Dec 13 06:21:39.538 INFO [stderr]   |
Dec 13 06:21:39.538 INFO [stderr] 8 |     Os,
Dec 13 06:21:39.538 INFO [stderr]   |     ^^
Dec 13 06:21:39.538 INFO [stderr] 
Dec 13 06:21:39.538 INFO [stderr] warning: static item is never used: `CF_PAGE`
Dec 13 06:21:39.538 INFO [stderr]  --> src/cf_page.rs:2:1
Dec 13 06:21:39.538 INFO [stderr]   |
Dec 13 06:21:39.538 INFO [stderr] 2 | static CF_PAGE: &'static str = "http://codeforces.com";
Dec 13 06:21:39.538 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 06:21:39.538 INFO [stderr] 
Dec 13 06:21:39.538 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 13 06:21:39.538 INFO [stderr]  --> src/main.rs:1:12
Dec 13 06:21:39.538 INFO [stderr]   |
Dec 13 06:21:39.538 INFO [stderr] 1 | #![feature(conservative_impl_trait)]
Dec 13 06:21:39.538 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 06:21:39.538 INFO [stderr]   |
Dec 13 06:21:39.538 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 13 06:21:39.538 INFO [stderr] 
Dec 13 06:21:39.541 INFO [stderr] warning: the `boundary:` in this pattern is redundant
Dec 13 06:21:39.541 INFO [stderr]   --> src/network/mod.rs:69:24
Dec 13 06:21:39.541 INFO [stderr]    |
Dec 13 06:21:39.541 INFO [stderr] 69 |     if let Multipart { boundary: boundary, data: data } = method {
Dec 13 06:21:39.541 INFO [stderr]    |                        ---------^^^^^^^^^
Dec 13 06:21:39.541 INFO [stderr]    |                        |
Dec 13 06:21:39.541 INFO [stderr]    |                        help: remove this
Dec 13 06:21:39.541 INFO [stderr]    |
Dec 13 06:21:39.541 INFO [stderr]    = note: #[warn(non_shorthand_field_patterns)] on by default
Dec 13 06:21:39.541 INFO [stderr] 
Dec 13 06:21:39.541 INFO [stderr] warning: the `data:` in this pattern is redundant
Dec 13 06:21:39.541 INFO [stderr]   --> src/network/mod.rs:69:44
Dec 13 06:21:39.541 INFO [stderr]    |
Dec 13 06:21:39.541 INFO [stderr] 69 |     if let Multipart { boundary: boundary, data: data } = method {
Dec 13 06:21:39.541 INFO [stderr]    |                                            -----^^^^^
Dec 13 06:21:39.541 INFO [stderr]    |                                            |
Dec 13 06:21:39.541 INFO [stderr]    |                                            help: remove this
Dec 13 06:21:39.541 INFO [stderr] 
Dec 13 06:21:39.541 INFO [stderr] warning: the `data:` in this pattern is redundant
Dec 13 06:21:39.541 INFO [stderr]   --> src/network/mod.rs:77:26
Dec 13 06:21:39.541 INFO [stderr]    |
Dec 13 06:21:39.541 INFO [stderr] 77 |     } else if let Post { data: data } = method {
Dec 13 06:21:39.541 INFO [stderr]    |                          -----^^^^^
Dec 13 06:21:39.541 INFO [stderr]    |                          |
Dec 13 06:21:39.541 INFO [stderr]    |                          help: remove this
Dec 13 06:21:39.541 INFO [stderr] 
Dec 13 06:21:39.546 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 06:21:39.546 INFO [stderr]  --> src/file_io.rs:8:5
Dec 13 06:21:39.546 INFO [stderr]   |
Dec 13 06:21:39.546 INFO [stderr] 8 |     file.write_all(bytes);
Dec 13 06:21:39.546 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 13 06:21:39.546 INFO [stderr]   |
Dec 13 06:21:39.546 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 13 06:21:39.546 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 06:21:39.546 INFO [stderr] 
Dec 13 06:21:39.546 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 06:21:39.546 INFO [stderr]   --> src/file_io.rs:18:5
Dec 13 06:21:39.546 INFO [stderr]    |
Dec 13 06:21:39.546 INFO [stderr] 18 |     file.read_to_string(&mut s);
Dec 13 06:21:39.546 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 06:21:39.546 INFO [stderr]    |
Dec 13 06:21:39.546 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 06:21:39.546 INFO [stderr] 
Dec 13 06:21:39.546 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 06:21:39.546 INFO [stderr]    --> src/main.rs:117:17
Dec 13 06:21:39.546 INFO [stderr]     |
Dec 13 06:21:39.546 INFO [stderr] 117 |                 cookiefile.write_all(serialized.as_bytes());
Dec 13 06:21:39.546 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 06:21:39.546 INFO [stderr]     |
Dec 13 06:21:39.546 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 06:21:39.546 INFO [stderr] 
Dec 13 06:21:39.547 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 06:21:39.547 INFO [stderr]    --> src/main.rs:119:13
Dec 13 06:21:39.547 INFO [stderr]     |
Dec 13 06:21:39.547 INFO [stderr] 119 |             core.run(work);
Dec 13 06:21:39.547 INFO [stderr]     |             ^^^^^^^^^^^^^^^
Dec 13 06:21:39.547 INFO [stderr]     |
Dec 13 06:21:39.547 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 06:21:39.547 INFO [stderr] 
Dec 13 06:21:39.547 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 06:21:39.547 INFO [stderr]    --> src/main.rs:148:13
Dec 13 06:21:39.547 INFO [stderr]     |
Dec 13 06:21:39.547 INFO [stderr] 148 |             core.run(work);
Dec 13 06:21:39.547 INFO [stderr]     |             ^^^^^^^^^^^^^^^
Dec 13 06:21:39.547 INFO [stderr]     |
Dec 13 06:21:39.547 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 06:21:39.547 INFO [stderr] 
Dec 13 06:21:46.495 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.21s
Dec 13 06:21:46.508 INFO [stderr] su: No module specific data is present
Dec 13 06:21:47.287 INFO running `"docker" "inspect" "b791e752433ec9c05ceb909c36c2b591f33478e31aa344f4d9378efaaaa2d56b"`
Dec 13 06:21:47.629 INFO running `"docker" "rm" "-f" "b791e752433ec9c05ceb909c36c2b591f33478e31aa344f4d9378efaaaa2d56b"`
Dec 13 06:21:47.946 INFO [stdout] b791e752433ec9c05ceb909c36c2b591f33478e31aa344f4d9378efaaaa2d56b
Dec 13 06:21:47.953 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-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 13 06:21:48.527 INFO [stdout] 354a1016901380927a7446e198bc10eb87b3f7be61b9928ed834c053bcdb8173
Dec 13 06:21:48.531 INFO running `"docker" "start" "-a" "354a1016901380927a7446e198bc10eb87b3f7be61b9928ed834c053bcdb8173"`
Dec 13 06:21:49.918 INFO [stderr] usermod: no changes
Dec 13 06:21:50.175 INFO [stderr]    Compiling cf_script v0.1.0 (/source)
Dec 13 06:21:51.407 INFO [stderr] warning: unused `#[macro_use]` import
Dec 13 06:21:51.407 INFO [stderr]  --> src/main.rs:6:1
Dec 13 06:21:51.407 INFO [stderr]   |
Dec 13 06:21:51.407 INFO [stderr] 6 | #[macro_use]
Dec 13 06:21:51.407 INFO [stderr]   | ^^^^^^^^^^^^
Dec 13 06:21:51.407 INFO [stderr]   |
Dec 13 06:21:51.407 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 06:21:51.407 INFO [stderr] 
Dec 13 06:21:51.407 INFO [stderr] warning: unused `#[macro_use]` import
Dec 13 06:21:51.407 INFO [stderr]   --> src/main.rs:14:1
Dec 13 06:21:51.407 INFO [stderr]    |
Dec 13 06:21:51.407 INFO [stderr] 14 | #[macro_use]
Dec 13 06:21:51.407 INFO [stderr]    | ^^^^^^^^^^^^
Dec 13 06:21:51.407 INFO [stderr] 
Dec 13 06:21:51.407 INFO [stderr] warning: unused import: `network::get_page_streamed`
Dec 13 06:21:51.407 INFO [stderr]  --> src/auth/mod.rs:9:5
Dec 13 06:21:51.407 INFO [stderr]   |
Dec 13 06:21:51.407 INFO [stderr] 9 | use network::get_page_streamed;
Dec 13 06:21:51.407 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 06:21:51.407 INFO [stderr] 
Dec 13 06:21:51.407 INFO [stderr] warning: unused import: `errors`
Dec 13 06:21:51.407 INFO [stderr]   --> src/auth/mod.rs:12:5
Dec 13 06:21:51.407 INFO [stderr]    |
Dec 13 06:21:51.407 INFO [stderr] 12 | use errors;
Dec 13 06:21:51.407 INFO [stderr]    |     ^^^^^^
Dec 13 06:21:51.407 INFO [stderr] 
Dec 13 06:21:51.407 INFO [stderr] warning: unused import: `std::str`
Dec 13 06:21:51.407 INFO [stderr]  --> src/network/mod.rs:2:5
Dec 13 06:21:51.407 INFO [stderr]   |
Dec 13 06:21:51.407 INFO [stderr] 2 | use std::str;
Dec 13 06:21:51.407 INFO [stderr]   |     ^^^^^^^^
Dec 13 06:21:51.407 INFO [stderr] 
Dec 13 06:21:51.407 INFO [stderr] warning: unused import: `::cf_page::*`
Dec 13 06:21:51.407 INFO [stderr]  --> src/download/mod.rs:1:5
Dec 13 06:21:51.407 INFO [stderr]   |
Dec 13 06:21:51.407 INFO [stderr] 1 | use ::cf_page::*;
Dec 13 06:21:51.407 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 13 06:21:51.407 INFO [stderr] 
Dec 13 06:21:51.407 INFO [stderr] warning: unused import: `std::fs::*`
Dec 13 06:21:51.407 INFO [stderr]  --> src/download/mod.rs:9:5
Dec 13 06:21:51.407 INFO [stderr]   |
Dec 13 06:21:51.407 INFO [stderr] 9 | use std::fs::*;
Dec 13 06:21:51.407 INFO [stderr]   |     ^^^^^^^^^^
Dec 13 06:21:51.407 INFO [stderr] 
Dec 13 06:21:51.407 INFO [stderr] warning: unused import: `std::io::Write`
Dec 13 06:21:51.407 INFO [stderr]   --> src/download/mod.rs:10:5
Dec 13 06:21:51.407 INFO [stderr]    |
Dec 13 06:21:51.407 INFO [stderr] 10 | use std::io::Write;
Dec 13 06:21:51.408 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 13 06:21:51.408 INFO [stderr] 
Dec 13 06:21:51.408 INFO [stderr] warning: unused import: `std`
Dec 13 06:21:51.408 INFO [stderr]  --> src/cf_page.rs:1:5
Dec 13 06:21:51.408 INFO [stderr]   |
Dec 13 06:21:51.408 INFO [stderr] 1 | use std;
Dec 13 06:21:51.408 INFO [stderr]   |     ^^^
Dec 13 06:21:51.408 INFO [stderr] 
Dec 13 06:21:51.651 INFO [stderr] warning: unused import: `Stream`
Dec 13 06:21:51.651 INFO [stderr]  --> src/auth/mod.rs:4:23
Dec 13 06:21:51.651 INFO [stderr]   |
Dec 13 06:21:51.651 INFO [stderr] 4 | use futures::{Future, Stream};
Dec 13 06:21:51.651 INFO [stderr]   |                       ^^^^^^
Dec 13 06:21:51.651 INFO [stderr] 
Dec 13 06:21:51.783 INFO [stderr] warning: variant is never constructed: `C`
Dec 13 06:21:51.783 INFO [stderr]  --> src/auth/langs.rs:2:5
Dec 13 06:21:51.783 INFO [stderr]   |
Dec 13 06:21:51.783 INFO [stderr] 2 |     C,
Dec 13 06:21:51.783 INFO [stderr]   |     ^
Dec 13 06:21:51.783 INFO [stderr]   |
Dec 13 06:21:51.783 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 13 06:21:51.783 INFO [stderr] 
Dec 13 06:21:51.783 INFO [stderr] warning: variant is never constructed: `C11`
Dec 13 06:21:51.783 INFO [stderr]  --> src/auth/langs.rs:3:5
Dec 13 06:21:51.783 INFO [stderr]   |
Dec 13 06:21:51.783 INFO [stderr] 3 |     C11,
Dec 13 06:21:51.783 INFO [stderr]   |     ^^^
Dec 13 06:21:51.783 INFO [stderr] 
Dec 13 06:21:51.784 INFO [stderr] warning: variant is never constructed: `Cpp11`
Dec 13 06:21:51.784 INFO [stderr]  --> src/auth/langs.rs:4:5
Dec 13 06:21:51.784 INFO [stderr]   |
Dec 13 06:21:51.784 INFO [stderr] 4 |     Cpp11,
Dec 13 06:21:51.784 INFO [stderr]   |     ^^^^^
Dec 13 06:21:51.784 INFO [stderr] 
Dec 13 06:21:51.784 INFO [stderr] warning: variant is never constructed: `MVCpp`
Dec 13 06:21:51.784 INFO [stderr]  --> src/auth/langs.rs:6:5
Dec 13 06:21:51.784 INFO [stderr]   |
Dec 13 06:21:51.784 INFO [stderr] 6 |     MVCpp,
Dec 13 06:21:51.784 INFO [stderr]   |     ^^^^^
Dec 13 06:21:51.784 INFO [stderr] 
Dec 13 06:21:51.784 INFO [stderr] warning: variant is never constructed: `CsharpMono`
Dec 13 06:21:51.784 INFO [stderr]  --> src/auth/langs.rs:7:5
Dec 13 06:21:51.784 INFO [stderr]   |
Dec 13 06:21:51.784 INFO [stderr] 7 |     CsharpMono,
Dec 13 06:21:51.784 INFO [stderr]   |     ^^^^^^^^^^
Dec 13 06:21:51.784 INFO [stderr] 
Dec 13 06:21:51.784 INFO [stderr] warning: variant is never constructed: `CsharpNet`
Dec 13 06:21:51.784 INFO [stderr]  --> src/auth/langs.rs:8:5
Dec 13 06:21:51.784 INFO [stderr]   |
Dec 13 06:21:51.784 INFO [stderr] 8 |     CsharpNet,
Dec 13 06:21:51.784 INFO [stderr]   |     ^^^^^^^^^
Dec 13 06:21:51.784 INFO [stderr] 
Dec 13 06:21:51.784 INFO [stderr] warning: variant is never constructed: `D`
Dec 13 06:21:51.784 INFO [stderr]  --> src/auth/langs.rs:9:5
Dec 13 06:21:51.784 INFO [stderr]   |
Dec 13 06:21:51.784 INFO [stderr] 9 |     D,
Dec 13 06:21:51.784 INFO [stderr]   |     ^
Dec 13 06:21:51.784 INFO [stderr] 
Dec 13 06:21:51.784 INFO [stderr] warning: variant is never constructed: `Go`
Dec 13 06:21:51.784 INFO [stderr]   --> src/auth/langs.rs:10:5
Dec 13 06:21:51.784 INFO [stderr]    |
Dec 13 06:21:51.784 INFO [stderr] 10 |     Go,
Dec 13 06:21:51.784 INFO [stderr]    |     ^^
Dec 13 06:21:51.784 INFO [stderr] 
Dec 13 06:21:51.784 INFO [stderr] warning: variant is never constructed: `Haskell`
Dec 13 06:21:51.784 INFO [stderr]   --> src/auth/langs.rs:11:5
Dec 13 06:21:51.784 INFO [stderr]    |
Dec 13 06:21:51.784 INFO [stderr] 11 |     Haskell,
Dec 13 06:21:51.784 INFO [stderr]    |     ^^^^^^^
Dec 13 06:21:51.784 INFO [stderr] 
Dec 13 06:21:51.784 INFO [stderr] warning: variant is never constructed: `Java`
Dec 13 06:21:51.784 INFO [stderr]   --> src/auth/langs.rs:12:5
Dec 13 06:21:51.784 INFO [stderr]    |
Dec 13 06:21:51.784 INFO [stderr] 12 |     Java,
Dec 13 06:21:51.784 INFO [stderr]    |     ^^^^
Dec 13 06:21:51.784 INFO [stderr] 
Dec 13 06:21:51.784 INFO [stderr] warning: variant is never constructed: `Kotlin`
Dec 13 06:21:51.784 INFO [stderr]   --> src/auth/langs.rs:13:5
Dec 13 06:21:51.784 INFO [stderr]    |
Dec 13 06:21:51.784 INFO [stderr] 13 |     Kotlin,
Dec 13 06:21:51.784 INFO [stderr]    |     ^^^^^^
Dec 13 06:21:51.784 INFO [stderr] 
Dec 13 06:21:51.784 INFO [stderr] warning: variant is never constructed: `OCaml`
Dec 13 06:21:51.784 INFO [stderr]   --> src/auth/langs.rs:14:5
Dec 13 06:21:51.784 INFO [stderr]    |
Dec 13 06:21:51.784 INFO [stderr] 14 |     OCaml,
Dec 13 06:21:51.784 INFO [stderr]    |     ^^^^^
Dec 13 06:21:51.784 INFO [stderr] 
Dec 13 06:21:51.784 INFO [stderr] warning: variant is never constructed: `Delphi`
Dec 13 06:21:51.784 INFO [stderr]   --> src/auth/langs.rs:15:5
Dec 13 06:21:51.784 INFO [stderr]    |
Dec 13 06:21:51.784 INFO [stderr] 15 |     Delphi,
Dec 13 06:21:51.784 INFO [stderr]    |     ^^^^^^
Dec 13 06:21:51.784 INFO [stderr] 
Dec 13 06:21:51.784 INFO [stderr] warning: variant is never constructed: `Pascal`
Dec 13 06:21:51.784 INFO [stderr]   --> src/auth/langs.rs:16:5
Dec 13 06:21:51.784 INFO [stderr]    |
Dec 13 06:21:51.784 INFO [stderr] 16 |     Pascal,
Dec 13 06:21:51.784 INFO [stderr]    |     ^^^^^^
Dec 13 06:21:51.784 INFO [stderr] 
Dec 13 06:21:51.784 INFO [stderr] warning: variant is never constructed: `Perl`
Dec 13 06:21:51.784 INFO [stderr]   --> src/auth/langs.rs:17:5
Dec 13 06:21:51.784 INFO [stderr]    |
Dec 13 06:21:51.784 INFO [stderr] 17 |     Perl,
Dec 13 06:21:51.784 INFO [stderr]    |     ^^^^
Dec 13 06:21:51.784 INFO [stderr] 
Dec 13 06:21:51.784 INFO [stderr] warning: variant is never constructed: `PHP`
Dec 13 06:21:51.784 INFO [stderr]   --> src/auth/langs.rs:18:5
Dec 13 06:21:51.784 INFO [stderr]    |
Dec 13 06:21:51.784 INFO [stderr] 18 |     PHP,
Dec 13 06:21:51.784 INFO [stderr]    |     ^^^
Dec 13 06:21:51.784 INFO [stderr] 
Dec 13 06:21:51.784 INFO [stderr] warning: variant is never constructed: `Python2`
Dec 13 06:21:51.784 INFO [stderr]   --> src/auth/langs.rs:19:5
Dec 13 06:21:51.784 INFO [stderr]    |
Dec 13 06:21:51.784 INFO [stderr] 19 |     Python2,
Dec 13 06:21:51.784 INFO [stderr]    |     ^^^^^^^
Dec 13 06:21:51.784 INFO [stderr] 
Dec 13 06:21:51.784 INFO [stderr] warning: variant is never constructed: `Python3`
Dec 13 06:21:51.784 INFO [stderr]   --> src/auth/langs.rs:20:5
Dec 13 06:21:51.785 INFO [stderr]    |
Dec 13 06:21:51.785 INFO [stderr] 20 |     Python3,
Dec 13 06:21:51.785 INFO [stderr]    |     ^^^^^^^
Dec 13 06:21:51.785 INFO [stderr] 
Dec 13 06:21:51.785 INFO [stderr] warning: variant is never constructed: `PyPy2`
Dec 13 06:21:51.785 INFO [stderr]   --> src/auth/langs.rs:21:5
Dec 13 06:21:51.785 INFO [stderr]    |
Dec 13 06:21:51.785 INFO [stderr] 21 |     PyPy2,
Dec 13 06:21:51.785 INFO [stderr]    |     ^^^^^
Dec 13 06:21:51.785 INFO [stderr] 
Dec 13 06:21:51.785 INFO [stderr] warning: variant is never constructed: `PyPy3`
Dec 13 06:21:51.785 INFO [stderr]   --> src/auth/langs.rs:22:5
Dec 13 06:21:51.785 INFO [stderr]    |
Dec 13 06:21:51.785 INFO [stderr] 22 |     PyPy3,
Dec 13 06:21:51.785 INFO [stderr]    |     ^^^^^
Dec 13 06:21:51.785 INFO [stderr] 
Dec 13 06:21:51.785 INFO [stderr] warning: variant is never constructed: `JavaScript`
Dec 13 06:21:51.785 INFO [stderr]   --> src/auth/langs.rs:23:5
Dec 13 06:21:51.785 INFO [stderr]    |
Dec 13 06:21:51.785 INFO [stderr] 23 |     JavaScript,
Dec 13 06:21:51.785 INFO [stderr]    |     ^^^^^^^^^^
Dec 13 06:21:51.785 INFO [stderr] 
Dec 13 06:21:51.785 INFO [stderr] warning: variant is never constructed: `Rust`
Dec 13 06:21:51.785 INFO [stderr]   --> src/auth/langs.rs:24:5
Dec 13 06:21:51.785 INFO [stderr]    |
Dec 13 06:21:51.785 INFO [stderr] 24 |     Rust,
Dec 13 06:21:51.785 INFO [stderr]    |     ^^^^
Dec 13 06:21:51.785 INFO [stderr] 
Dec 13 06:21:51.785 INFO [stderr] warning: variant is never constructed: `Scala`
Dec 13 06:21:51.785 INFO [stderr]   --> src/auth/langs.rs:25:5
Dec 13 06:21:51.785 INFO [stderr]    |
Dec 13 06:21:51.785 INFO [stderr] 25 |     Scala,
Dec 13 06:21:51.785 INFO [stderr]    |     ^^^^^
Dec 13 06:21:51.785 INFO [stderr] 
Dec 13 06:21:51.785 INFO [stderr] warning: variant is never constructed: `WrongAnswer`
Dec 13 06:21:51.785 INFO [stderr]   --> src/auth/mod.rs:76:5
Dec 13 06:21:51.785 INFO [stderr]    |
Dec 13 06:21:51.785 INFO [stderr] 76 |     WrongAnswer(i32),
Dec 13 06:21:51.785 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 13 06:21:51.785 INFO [stderr] 
Dec 13 06:21:51.785 INFO [stderr] warning: variant is never constructed: `TimeLimit`
Dec 13 06:21:51.785 INFO [stderr]   --> src/auth/mod.rs:77:5
Dec 13 06:21:51.785 INFO [stderr]    |
Dec 13 06:21:51.785 INFO [stderr] 77 |     TimeLimit(i32),
Dec 13 06:21:51.785 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 13 06:21:51.785 INFO [stderr] 
Dec 13 06:21:51.785 INFO [stderr] warning: variant is never constructed: `MemoryLimit`
Dec 13 06:21:51.785 INFO [stderr]   --> src/auth/mod.rs:78:5
Dec 13 06:21:51.785 INFO [stderr]    |
Dec 13 06:21:51.785 INFO [stderr] 78 |     MemoryLimit(i32),
Dec 13 06:21:51.785 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 13 06:21:51.785 INFO [stderr] 
Dec 13 06:21:51.785 INFO [stderr] warning: variant is never constructed: `CompilationError`
Dec 13 06:21:51.785 INFO [stderr]   --> src/auth/mod.rs:79:5
Dec 13 06:21:51.785 INFO [stderr]    |
Dec 13 06:21:51.785 INFO [stderr] 79 |     CompilationError(String),
Dec 13 06:21:51.785 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 06:21:51.785 INFO [stderr] 
Dec 13 06:21:51.785 INFO [stderr] warning: variant is never constructed: `Connection`
Dec 13 06:21:51.785 INFO [stderr]  --> src/errors.rs:5:5
Dec 13 06:21:51.785 INFO [stderr]   |
Dec 13 06:21:51.785 INFO [stderr] 5 |     Connection,
Dec 13 06:21:51.785 INFO [stderr]   |     ^^^^^^^^^^
Dec 13 06:21:51.785 INFO [stderr] 
Dec 13 06:21:51.785 INFO [stderr] warning: variant is never constructed: `Internal`
Dec 13 06:21:51.785 INFO [stderr]  --> src/errors.rs:7:5
Dec 13 06:21:51.785 INFO [stderr]   |
Dec 13 06:21:51.785 INFO [stderr] 7 |     Internal,
Dec 13 06:21:51.785 INFO [stderr]   |     ^^^^^^^^
Dec 13 06:21:51.785 INFO [stderr] 
Dec 13 06:21:51.785 INFO [stderr] warning: variant is never constructed: `Os`
Dec 13 06:21:51.785 INFO [stderr]  --> src/errors.rs:8:5
Dec 13 06:21:51.785 INFO [stderr]   |
Dec 13 06:21:51.785 INFO [stderr] 8 |     Os,
Dec 13 06:21:51.785 INFO [stderr]   |     ^^
Dec 13 06:21:51.785 INFO [stderr] 
Dec 13 06:21:51.785 INFO [stderr] warning: static item is never used: `CF_PAGE`
Dec 13 06:21:51.785 INFO [stderr]  --> src/cf_page.rs:2:1
Dec 13 06:21:51.785 INFO [stderr]   |
Dec 13 06:21:51.785 INFO [stderr] 2 | static CF_PAGE: &'static str = "http://codeforces.com";
Dec 13 06:21:51.785 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 06:21:51.785 INFO [stderr] 
Dec 13 06:21:51.785 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 13 06:21:51.785 INFO [stderr]  --> src/main.rs:1:12
Dec 13 06:21:51.785 INFO [stderr]   |
Dec 13 06:21:51.785 INFO [stderr] 1 | #![feature(conservative_impl_trait)]
Dec 13 06:21:51.785 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 06:21:51.785 INFO [stderr]   |
Dec 13 06:21:51.785 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 13 06:21:51.785 INFO [stderr] 
Dec 13 06:21:51.785 INFO [stderr] warning: the `boundary:` in this pattern is redundant
Dec 13 06:21:51.786 INFO [stderr]   --> src/network/mod.rs:69:24
Dec 13 06:21:51.786 INFO [stderr]    |
Dec 13 06:21:51.786 INFO [stderr] 69 |     if let Multipart { boundary: boundary, data: data } = method {
Dec 13 06:21:51.786 INFO [stderr]    |                        ---------^^^^^^^^^
Dec 13 06:21:51.786 INFO [stderr]    |                        |
Dec 13 06:21:51.786 INFO [stderr]    |                        help: remove this
Dec 13 06:21:51.786 INFO [stderr]    |
Dec 13 06:21:51.786 INFO [stderr]    = note: #[warn(non_shorthand_field_patterns)] on by default
Dec 13 06:21:51.786 INFO [stderr] 
Dec 13 06:21:51.786 INFO [stderr] warning: the `data:` in this pattern is redundant
Dec 13 06:21:51.786 INFO [stderr]   --> src/network/mod.rs:69:44
Dec 13 06:21:51.786 INFO [stderr]    |
Dec 13 06:21:51.786 INFO [stderr] 69 |     if let Multipart { boundary: boundary, data: data } = method {
Dec 13 06:21:51.786 INFO [stderr]    |                                            -----^^^^^
Dec 13 06:21:51.786 INFO [stderr]    |                                            |
Dec 13 06:21:51.786 INFO [stderr]    |                                            help: remove this
Dec 13 06:21:51.786 INFO [stderr] 
Dec 13 06:21:51.786 INFO [stderr] warning: the `data:` in this pattern is redundant
Dec 13 06:21:51.786 INFO [stderr]   --> src/network/mod.rs:77:26
Dec 13 06:21:51.786 INFO [stderr]    |
Dec 13 06:21:51.786 INFO [stderr] 77 |     } else if let Post { data: data } = method {
Dec 13 06:21:51.786 INFO [stderr]    |                          -----^^^^^
Dec 13 06:21:51.786 INFO [stderr]    |                          |
Dec 13 06:21:51.786 INFO [stderr]    |                          help: remove this
Dec 13 06:21:51.786 INFO [stderr] 
Dec 13 06:21:51.790 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 06:21:51.790 INFO [stderr]  --> src/file_io.rs:8:5
Dec 13 06:21:51.790 INFO [stderr]   |
Dec 13 06:21:51.791 INFO [stderr] 8 |     file.write_all(bytes);
Dec 13 06:21:51.791 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 13 06:21:51.791 INFO [stderr]   |
Dec 13 06:21:51.791 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 13 06:21:51.791 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 06:21:51.791 INFO [stderr] 
Dec 13 06:21:51.791 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 06:21:51.791 INFO [stderr]   --> src/file_io.rs:18:5
Dec 13 06:21:51.791 INFO [stderr]    |
Dec 13 06:21:51.791 INFO [stderr] 18 |     file.read_to_string(&mut s);
Dec 13 06:21:51.791 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 06:21:51.791 INFO [stderr]    |
Dec 13 06:21:51.791 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 06:21:51.791 INFO [stderr] 
Dec 13 06:21:51.791 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 06:21:51.791 INFO [stderr]    --> src/main.rs:117:17
Dec 13 06:21:51.791 INFO [stderr]     |
Dec 13 06:21:51.791 INFO [stderr] 117 |                 cookiefile.write_all(serialized.as_bytes());
Dec 13 06:21:51.791 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 06:21:51.791 INFO [stderr]     |
Dec 13 06:21:51.791 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 06:21:51.791 INFO [stderr] 
Dec 13 06:21:51.791 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 06:21:51.791 INFO [stderr]    --> src/main.rs:119:13
Dec 13 06:21:51.791 INFO [stderr]     |
Dec 13 06:21:51.791 INFO [stderr] 119 |             core.run(work);
Dec 13 06:21:51.791 INFO [stderr]     |             ^^^^^^^^^^^^^^^
Dec 13 06:21:51.791 INFO [stderr]     |
Dec 13 06:21:51.791 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 06:21:51.791 INFO [stderr] 
Dec 13 06:21:51.795 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 06:21:51.795 INFO [stderr]    --> src/main.rs:148:13
Dec 13 06:21:51.795 INFO [stderr]     |
Dec 13 06:21:51.795 INFO [stderr] 148 |             core.run(work);
Dec 13 06:21:51.795 INFO [stderr]     |             ^^^^^^^^^^^^^^^
Dec 13 06:21:51.795 INFO [stderr]     |
Dec 13 06:21:51.795 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 06:21:51.795 INFO [stderr] 
Dec 13 06:21:52.279 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.33s
Dec 13 06:21:52.284 INFO [stderr] su: No module specific data is present
Dec 13 06:21:53.068 INFO running `"docker" "inspect" "354a1016901380927a7446e198bc10eb87b3f7be61b9928ed834c053bcdb8173"`
Dec 13 06:21:53.419 INFO running `"docker" "rm" "-f" "354a1016901380927a7446e198bc10eb87b3f7be61b9928ed834c053bcdb8173"`
Dec 13 06:21:53.771 INFO [stdout] 354a1016901380927a7446e198bc10eb87b3f7be61b9928ed834c053bcdb8173
Dec 13 06:21:53.777 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-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 13 06:21:54.332 INFO [stdout] 008a7f18ea0aeb5119e330377a0be4c9269545bb30c5648b372fd5dd18b55515
Dec 13 06:21:54.335 INFO running `"docker" "start" "-a" "008a7f18ea0aeb5119e330377a0be4c9269545bb30c5648b372fd5dd18b55515"`
Dec 13 06:21:55.886 INFO [stderr] usermod: no changes
Dec 13 06:21:56.072 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
Dec 13 06:21:56.091 INFO [stderr]      Running /target/debug/deps/cf_script-1dbc258d9661a516
Dec 13 06:21:56.091 INFO [stdout] 
Dec 13 06:21:56.091 INFO [stderr] su: No module specific data is present
Dec 13 06:21:56.091 INFO [stdout] running 0 tests
Dec 13 06:21:56.091 INFO [stdout] 
Dec 13 06:21:56.091 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 06:21:56.091 INFO [stdout] 
Dec 13 06:21:57.167 INFO running `"docker" "inspect" "008a7f18ea0aeb5119e330377a0be4c9269545bb30c5648b372fd5dd18b55515"`
Dec 13 06:21:57.461 INFO running `"docker" "rm" "-f" "008a7f18ea0aeb5119e330377a0be4c9269545bb30c5648b372fd5dd18b55515"`
Dec 13 06:21:57.815 INFO [stdout] 008a7f18ea0aeb5119e330377a0be4c9269545bb30c5648b372fd5dd18b55515