[INFO] cloning repository redeff/cf_script
[INFO] running `"git" "clone" "--bare" "git://github.com/redeff/cf_script.git" "work/cache/sources/gh/redeff/cf_script"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/redeff/cf_script'...
[INFO] running `"git" "clone" "work/cache/sources/gh/redeff/cf_script" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/redeff/cf_script"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/redeff/cf_script'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/redeff/cf_script" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/redeff/cf_script"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/redeff/cf_script'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2892f785385e7b305c67dacb32fcb379c9cc6d17
[INFO] sha for GitHub repo redeff/cf_script: 2892f785385e7b305c67dacb32fcb379c9cc6d17
[INFO] validating manifest of redeff/cf_script on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of redeff/cf_script on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing redeff/cf_script
[INFO] finished frobbing redeff/cf_script
[INFO] frobbed toml for redeff/cf_script written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/redeff/cf_script/Cargo.toml
[INFO] started frobbing redeff/cf_script
[INFO] finished frobbing redeff/cf_script
[INFO] frobbed toml for redeff/cf_script written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/redeff/cf_script/Cargo.toml
[INFO] crate redeff/cf_script already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing redeff/cf_script against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/redeff/cf_script:/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] e91da459af1f16e8685ad66ccf19ab1f75aa8c566b86549993177c190ad630e1
[INFO] running `"docker" "start" "-a" "e91da459af1f16e8685ad66ccf19ab1f75aa8c566b86549993177c190ad630e1"`
[INFO] [stderr]    Compiling term_size v0.3.0
[INFO] [stderr]    Compiling atty v0.2.2
[INFO] [stderr]    Compiling futures-cpupool v0.1.5
[INFO] [stderr]    Compiling tokio-io v0.1.2
[INFO] [stderr]    Compiling mime v0.3.3
[INFO] [stderr]    Compiling textwrap v0.8.0
[INFO] [stderr]    Compiling tokio-core v0.1.9
[INFO] [stderr]    Compiling clap v2.26.2
[INFO] [stderr]    Compiling tokio-proto v0.1.1
[INFO] [stderr]    Compiling hyper v0.11.2
[INFO] [stderr]    Compiling cf_script v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/main.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `network::get_page_streamed`
[INFO] [stderr]  --> src/auth/mod.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use network::get_page_streamed;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `errors`
[INFO] [stderr]   --> src/auth/mod.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use errors;
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/auth/mod.rs:43:10
[INFO] [stderr]    |
[INFO] [stderr] 43 | ) -> Box<Future<Item = Cookie, Error = hyper::error::Error> + 'a> {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Cookie, Error = hyper::error::Error> + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/auth/mod.rs:136:10
[INFO] [stderr]     |
[INFO] [stderr] 136 | ) -> Box<Future<Item = ProblemStatus, Error = hyper::error::Error> + 'a> {
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = ProblemStatus, Error = hyper::error::Error> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]  --> src/network/mod.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::str;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/network/mod.rs:47:10
[INFO] [stderr]    |
[INFO] [stderr] 47 |   ) -> Box<Future<
[INFO] [stderr]    |  __________^
[INFO] [stderr] 48 | |     Item = (
[INFO] [stderr] 49 | |         Cookie, 
[INFO] [stderr] 50 | |         Box<Stream<
[INFO] [stderr] ...  |
[INFO] [stderr] 54 | |     ),
[INFO] [stderr] 55 | |     Error = HError> + 'a> {
[INFO] [stderr]    | |________________________^
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 47 | ) -> Box<dyn Future<
[INFO] [stderr] 48 |     Item = (
[INFO] [stderr] 49 |         Cookie, 
[INFO] [stderr] 50 |         Box<Stream<
[INFO] [stderr] 51 |             Item = hyper::Chunk,
[INFO] [stderr] 52 |             Error = HError,
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/network/mod.rs:50:13
[INFO] [stderr]    |
[INFO] [stderr] 50 |           Box<Stream<
[INFO] [stderr]    |  _____________^
[INFO] [stderr] 51 | |             Item = hyper::Chunk,
[INFO] [stderr] 52 | |             Error = HError,
[INFO] [stderr] 53 | |         >>
[INFO] [stderr]    | |_________^
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 50 |         Box<dyn Stream<
[INFO] [stderr] 51 |             Item = hyper::Chunk,
[INFO] [stderr] 52 |             Error = HError,
[INFO] [stderr] 53 |         >>
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/network/mod.rs:91:31
[INFO] [stderr]    |
[INFO] [stderr] 91 |                 let tata: Box<Stream<Item = _, Error = _>> =  Box::new(body_stream);
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream<Item = _, Error = _>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/network/mod.rs:104:10
[INFO] [stderr]     |
[INFO] [stderr] 104 |   ) -> Box<Future<
[INFO] [stderr]     |  __________^
[INFO] [stderr] 105 | |     Item = (
[INFO] [stderr] 106 | |         Cookie, 
[INFO] [stderr] 107 | |         Vec<u8>,
[INFO] [stderr] 108 | |     ),
[INFO] [stderr] 109 | |     Error = HError> + 'a> {
[INFO] [stderr]     | |________________________^
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 104 | ) -> Box<dyn Future<
[INFO] [stderr] 105 |     Item = (
[INFO] [stderr] 106 |         Cookie, 
[INFO] [stderr] 107 |         Vec<u8>,
[INFO] [stderr] 108 |     ),
[INFO] [stderr] 109 |     Error = HError> + 'a> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `::cf_page::*`
[INFO] [stderr]  --> src/download/mod.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use ::cf_page::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::*`
[INFO] [stderr]  --> src/download/mod.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::fs::*;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]   --> src/download/mod.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::io::Write;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/download/mod.rs:17:23
[INFO] [stderr]    |
[INFO] [stderr] 17 | type Fut<'a, T> = Box<Future<Item = T, Error = hyper::error::Error> + 'a>;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = T, Error = hyper::error::Error> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/download/mod.rs:69:49
[INFO] [stderr]    |
[INFO] [stderr] 69 | fn join_future_vec<'a, I, E>(mut items: Vec<Box<Future<Item = I, Error = E> + 'a>>) -> Box<Future<Item = Vec<I>, Error = E> + 'a>
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = I, Error = E> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/download/mod.rs:69:92
[INFO] [stderr]    |
[INFO] [stderr] 69 | fn join_future_vec<'a, I, E>(mut items: Vec<Box<Future<Item = I, Error = E> + 'a>>) -> Box<Future<Item = Vec<I>, Error = E> + 'a>
[INFO] [stderr]    |                                                                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Vec<I>, Error = E> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/download/mod.rs:111:32
[INFO] [stderr]     |
[INFO] [stderr] 111 |                 let boxed: Box<Future<Item = _, Error = _>> =
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = _, Error = _>`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std`
[INFO] [stderr]  --> src/cf_page.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std;
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Stream`
[INFO] [stderr]  --> src/auth/mod.rs:4:23
[INFO] [stderr]   |
[INFO] [stderr] 4 | use futures::{Future, Stream};
[INFO] [stderr]   |                       ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `C`
[INFO] [stderr]  --> src/auth/langs.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     C,
[INFO] [stderr]   |     ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `C11`
[INFO] [stderr]  --> src/auth/langs.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     C11,
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Cpp11`
[INFO] [stderr]  --> src/auth/langs.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     Cpp11,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `MVCpp`
[INFO] [stderr]  --> src/auth/langs.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     MVCpp,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `CsharpMono`
[INFO] [stderr]  --> src/auth/langs.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     CsharpMono,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `CsharpNet`
[INFO] [stderr]  --> src/auth/langs.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     CsharpNet,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `D`
[INFO] [stderr]  --> src/auth/langs.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     D,
[INFO] [stderr]   |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Go`
[INFO] [stderr]   --> src/auth/langs.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Go,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Haskell`
[INFO] [stderr]   --> src/auth/langs.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     Haskell,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Java`
[INFO] [stderr]   --> src/auth/langs.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     Java,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Kotlin`
[INFO] [stderr]   --> src/auth/langs.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Kotlin,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `OCaml`
[INFO] [stderr]   --> src/auth/langs.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     OCaml,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Delphi`
[INFO] [stderr]   --> src/auth/langs.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Delphi,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Pascal`
[INFO] [stderr]   --> src/auth/langs.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Pascal,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Perl`
[INFO] [stderr]   --> src/auth/langs.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     Perl,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `PHP`
[INFO] [stderr]   --> src/auth/langs.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     PHP,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Python2`
[INFO] [stderr]   --> src/auth/langs.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     Python2,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Python3`
[INFO] [stderr]   --> src/auth/langs.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     Python3,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `PyPy2`
[INFO] [stderr]   --> src/auth/langs.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     PyPy2,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `PyPy3`
[INFO] [stderr]   --> src/auth/langs.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     PyPy3,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `JavaScript`
[INFO] [stderr]   --> src/auth/langs.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     JavaScript,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Rust`
[INFO] [stderr]   --> src/auth/langs.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     Rust,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Scala`
[INFO] [stderr]   --> src/auth/langs.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     Scala,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `WrongAnswer`
[INFO] [stderr]   --> src/auth/mod.rs:76:5
[INFO] [stderr]    |
[INFO] [stderr] 76 |     WrongAnswer(i32),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `TimeLimit`
[INFO] [stderr]   --> src/auth/mod.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     TimeLimit(i32),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `MemoryLimit`
[INFO] [stderr]   --> src/auth/mod.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 78 |     MemoryLimit(i32),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `CompilationError`
[INFO] [stderr]   --> src/auth/mod.rs:79:5
[INFO] [stderr]    |
[INFO] [stderr] 79 |     CompilationError(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Connection`
[INFO] [stderr]  --> src/errors.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Connection,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Internal`
[INFO] [stderr]  --> src/errors.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Internal,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Os`
[INFO] [stderr]  --> src/errors.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Os,
[INFO] [stderr]   |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `CF_PAGE`
[INFO] [stderr]  --> src/cf_page.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | static CF_PAGE: &'static str = "http://codeforces.com";
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(conservative_impl_trait)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:117:17
[INFO] [stderr]     |
[INFO] [stderr] 117 |                 cookiefile.write_all(serialized.as_bytes());
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:119:13
[INFO] [stderr]     |
[INFO] [stderr] 119 |             core.run(work);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:148:13
[INFO] [stderr]     |
[INFO] [stderr] 148 |             core.run(work);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: the `boundary:` in this pattern is redundant
[INFO] [stderr]   --> src/network/mod.rs:69:24
[INFO] [stderr]    |
[INFO] [stderr] 69 |     if let Multipart { boundary: boundary, data: data } = method {
[INFO] [stderr]    |                        ---------^^^^^^^^^
[INFO] [stderr]    |                        |
[INFO] [stderr]    |                        help: remove this
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_shorthand_field_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the `data:` in this pattern is redundant
[INFO] [stderr]   --> src/network/mod.rs:69:44
[INFO] [stderr]    |
[INFO] [stderr] 69 |     if let Multipart { boundary: boundary, data: data } = method {
[INFO] [stderr]    |                                            -----^^^^^
[INFO] [stderr]    |                                            |
[INFO] [stderr]    |                                            help: remove this
[INFO] [stderr] 
[INFO] [stderr] warning: the `data:` in this pattern is redundant
[INFO] [stderr]   --> src/network/mod.rs:77:26
[INFO] [stderr]    |
[INFO] [stderr] 77 |     } else if let Post { data: data } = method {
[INFO] [stderr]    |                          -----^^^^^
[INFO] [stderr]    |                          |
[INFO] [stderr]    |                          help: remove this
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]  --> src/file_io.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     file.write_all(bytes);
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/file_io.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     file.read_to_string(&mut s);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.89s
[INFO] running `"docker" "inspect" "e91da459af1f16e8685ad66ccf19ab1f75aa8c566b86549993177c190ad630e1"`
[INFO] running `"docker" "rm" "-f" "e91da459af1f16e8685ad66ccf19ab1f75aa8c566b86549993177c190ad630e1"`
[INFO] [stdout] e91da459af1f16e8685ad66ccf19ab1f75aa8c566b86549993177c190ad630e1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/redeff/cf_script:/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] c5a624b1f1770e4a9babc44bb5ab1bb1eeda854d7f543f8e3d1ab7300a0e4132
[INFO] running `"docker" "start" "-a" "c5a624b1f1770e4a9babc44bb5ab1bb1eeda854d7f543f8e3d1ab7300a0e4132"`
[INFO] [stderr]    Compiling cf_script v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/main.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `network::get_page_streamed`
[INFO] [stderr]  --> src/auth/mod.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use network::get_page_streamed;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `errors`
[INFO] [stderr]   --> src/auth/mod.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use errors;
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/auth/mod.rs:43:10
[INFO] [stderr]    |
[INFO] [stderr] 43 | ) -> Box<Future<Item = Cookie, Error = hyper::error::Error> + 'a> {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Cookie, Error = hyper::error::Error> + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/auth/mod.rs:136:10
[INFO] [stderr]     |
[INFO] [stderr] 136 | ) -> Box<Future<Item = ProblemStatus, Error = hyper::error::Error> + 'a> {
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = ProblemStatus, Error = hyper::error::Error> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]  --> src/network/mod.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::str;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/network/mod.rs:47:10
[INFO] [stderr]    |
[INFO] [stderr] 47 |   ) -> Box<Future<
[INFO] [stderr]    |  __________^
[INFO] [stderr] 48 | |     Item = (
[INFO] [stderr] 49 | |         Cookie, 
[INFO] [stderr] 50 | |         Box<Stream<
[INFO] [stderr] ...  |
[INFO] [stderr] 54 | |     ),
[INFO] [stderr] 55 | |     Error = HError> + 'a> {
[INFO] [stderr]    | |________________________^
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 47 | ) -> Box<dyn Future<
[INFO] [stderr] 48 |     Item = (
[INFO] [stderr] 49 |         Cookie, 
[INFO] [stderr] 50 |         Box<Stream<
[INFO] [stderr] 51 |             Item = hyper::Chunk,
[INFO] [stderr] 52 |             Error = HError,
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/network/mod.rs:50:13
[INFO] [stderr]    |
[INFO] [stderr] 50 |           Box<Stream<
[INFO] [stderr]    |  _____________^
[INFO] [stderr] 51 | |             Item = hyper::Chunk,
[INFO] [stderr] 52 | |             Error = HError,
[INFO] [stderr] 53 | |         >>
[INFO] [stderr]    | |_________^
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 50 |         Box<dyn Stream<
[INFO] [stderr] 51 |             Item = hyper::Chunk,
[INFO] [stderr] 52 |             Error = HError,
[INFO] [stderr] 53 |         >>
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/network/mod.rs:91:31
[INFO] [stderr]    |
[INFO] [stderr] 91 |                 let tata: Box<Stream<Item = _, Error = _>> =  Box::new(body_stream);
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream<Item = _, Error = _>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/network/mod.rs:104:10
[INFO] [stderr]     |
[INFO] [stderr] 104 |   ) -> Box<Future<
[INFO] [stderr]     |  __________^
[INFO] [stderr] 105 | |     Item = (
[INFO] [stderr] 106 | |         Cookie, 
[INFO] [stderr] 107 | |         Vec<u8>,
[INFO] [stderr] 108 | |     ),
[INFO] [stderr] 109 | |     Error = HError> + 'a> {
[INFO] [stderr]     | |________________________^
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 104 | ) -> Box<dyn Future<
[INFO] [stderr] 105 |     Item = (
[INFO] [stderr] 106 |         Cookie, 
[INFO] [stderr] 107 |         Vec<u8>,
[INFO] [stderr] 108 |     ),
[INFO] [stderr] 109 |     Error = HError> + 'a> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `::cf_page::*`
[INFO] [stderr]  --> src/download/mod.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use ::cf_page::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::*`
[INFO] [stderr]  --> src/download/mod.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::fs::*;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]   --> src/download/mod.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::io::Write;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/download/mod.rs:17:23
[INFO] [stderr]    |
[INFO] [stderr] 17 | type Fut<'a, T> = Box<Future<Item = T, Error = hyper::error::Error> + 'a>;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = T, Error = hyper::error::Error> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/download/mod.rs:69:49
[INFO] [stderr]    |
[INFO] [stderr] 69 | fn join_future_vec<'a, I, E>(mut items: Vec<Box<Future<Item = I, Error = E> + 'a>>) -> Box<Future<Item = Vec<I>, Error = E> + 'a>
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = I, Error = E> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/download/mod.rs:69:92
[INFO] [stderr]    |
[INFO] [stderr] 69 | fn join_future_vec<'a, I, E>(mut items: Vec<Box<Future<Item = I, Error = E> + 'a>>) -> Box<Future<Item = Vec<I>, Error = E> + 'a>
[INFO] [stderr]    |                                                                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Vec<I>, Error = E> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/download/mod.rs:111:32
[INFO] [stderr]     |
[INFO] [stderr] 111 |                 let boxed: Box<Future<Item = _, Error = _>> =
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = _, Error = _>`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std`
[INFO] [stderr]  --> src/cf_page.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std;
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Stream`
[INFO] [stderr]  --> src/auth/mod.rs:4:23
[INFO] [stderr]   |
[INFO] [stderr] 4 | use futures::{Future, Stream};
[INFO] [stderr]   |                       ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `C`
[INFO] [stderr]  --> src/auth/langs.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     C,
[INFO] [stderr]   |     ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `C11`
[INFO] [stderr]  --> src/auth/langs.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     C11,
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Cpp11`
[INFO] [stderr]  --> src/auth/langs.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     Cpp11,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `MVCpp`
[INFO] [stderr]  --> src/auth/langs.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     MVCpp,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `CsharpMono`
[INFO] [stderr]  --> src/auth/langs.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     CsharpMono,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `CsharpNet`
[INFO] [stderr]  --> src/auth/langs.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     CsharpNet,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `D`
[INFO] [stderr]  --> src/auth/langs.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     D,
[INFO] [stderr]   |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Go`
[INFO] [stderr]   --> src/auth/langs.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Go,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Haskell`
[INFO] [stderr]   --> src/auth/langs.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     Haskell,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Java`
[INFO] [stderr]   --> src/auth/langs.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     Java,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Kotlin`
[INFO] [stderr]   --> src/auth/langs.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Kotlin,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `OCaml`
[INFO] [stderr]   --> src/auth/langs.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     OCaml,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Delphi`
[INFO] [stderr]   --> src/auth/langs.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Delphi,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Pascal`
[INFO] [stderr]   --> src/auth/langs.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Pascal,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Perl`
[INFO] [stderr]   --> src/auth/langs.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     Perl,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `PHP`
[INFO] [stderr]   --> src/auth/langs.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     PHP,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Python2`
[INFO] [stderr]   --> src/auth/langs.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     Python2,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Python3`
[INFO] [stderr]   --> src/auth/langs.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     Python3,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `PyPy2`
[INFO] [stderr]   --> src/auth/langs.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     PyPy2,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `PyPy3`
[INFO] [stderr]   --> src/auth/langs.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     PyPy3,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `JavaScript`
[INFO] [stderr]   --> src/auth/langs.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     JavaScript,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Rust`
[INFO] [stderr]   --> src/auth/langs.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     Rust,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Scala`
[INFO] [stderr]   --> src/auth/langs.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     Scala,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `WrongAnswer`
[INFO] [stderr]   --> src/auth/mod.rs:76:5
[INFO] [stderr]    |
[INFO] [stderr] 76 |     WrongAnswer(i32),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `TimeLimit`
[INFO] [stderr]   --> src/auth/mod.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     TimeLimit(i32),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `MemoryLimit`
[INFO] [stderr]   --> src/auth/mod.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 78 |     MemoryLimit(i32),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `CompilationError`
[INFO] [stderr]   --> src/auth/mod.rs:79:5
[INFO] [stderr]    |
[INFO] [stderr] 79 |     CompilationError(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Connection`
[INFO] [stderr]  --> src/errors.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Connection,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Internal`
[INFO] [stderr]  --> src/errors.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Internal,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Os`
[INFO] [stderr]  --> src/errors.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Os,
[INFO] [stderr]   |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `CF_PAGE`
[INFO] [stderr]  --> src/cf_page.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | static CF_PAGE: &'static str = "http://codeforces.com";
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(conservative_impl_trait)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:117:17
[INFO] [stderr]     |
[INFO] [stderr] 117 |                 cookiefile.write_all(serialized.as_bytes());
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:119:13
[INFO] [stderr]     |
[INFO] [stderr] 119 |             core.run(work);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:148:13
[INFO] [stderr]     |
[INFO] [stderr] 148 |             core.run(work);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: the `boundary:` in this pattern is redundant
[INFO] [stderr]   --> src/network/mod.rs:69:24
[INFO] [stderr]    |
[INFO] [stderr] 69 |     if let Multipart { boundary: boundary, data: data } = method {
[INFO] [stderr]    |                        ---------^^^^^^^^^
[INFO] [stderr]    |                        |
[INFO] [stderr]    |                        help: remove this
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_shorthand_field_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the `data:` in this pattern is redundant
[INFO] [stderr]   --> src/network/mod.rs:69:44
[INFO] [stderr]    |
[INFO] [stderr] 69 |     if let Multipart { boundary: boundary, data: data } = method {
[INFO] [stderr]    |                                            -----^^^^^
[INFO] [stderr]    |                                            |
[INFO] [stderr]    |                                            help: remove this
[INFO] [stderr] 
[INFO] [stderr] warning: the `data:` in this pattern is redundant
[INFO] [stderr]   --> src/network/mod.rs:77:26
[INFO] [stderr]    |
[INFO] [stderr] 77 |     } else if let Post { data: data } = method {
[INFO] [stderr]    |                          -----^^^^^
[INFO] [stderr]    |                          |
[INFO] [stderr]    |                          help: remove this
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]  --> src/file_io.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     file.write_all(bytes);
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/file_io.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     file.read_to_string(&mut s);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.90s
[INFO] running `"docker" "inspect" "c5a624b1f1770e4a9babc44bb5ab1bb1eeda854d7f543f8e3d1ab7300a0e4132"`
[INFO] running `"docker" "rm" "-f" "c5a624b1f1770e4a9babc44bb5ab1bb1eeda854d7f543f8e3d1ab7300a0e4132"`
[INFO] [stdout] c5a624b1f1770e4a9babc44bb5ab1bb1eeda854d7f543f8e3d1ab7300a0e4132
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/redeff/cf_script:/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] 7a4ba0360105ab717a01c02257767ae3528e5e268e31fd85ae82d2b6466dbaa1
[INFO] running `"docker" "start" "-a" "7a4ba0360105ab717a01c02257767ae3528e5e268e31fd85ae82d2b6466dbaa1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cf_script-264eed812f513bf9
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "7a4ba0360105ab717a01c02257767ae3528e5e268e31fd85ae82d2b6466dbaa1"`
[INFO] running `"docker" "rm" "-f" "7a4ba0360105ab717a01c02257767ae3528e5e268e31fd85ae82d2b6466dbaa1"`
[INFO] [stdout] 7a4ba0360105ab717a01c02257767ae3528e5e268e31fd85ae82d2b6466dbaa1