Dec 18 07:43:13.641 INFO checking FRC6644/installer against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 07:43:13.641 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/FRC6644/installer:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 07:43:14.060 INFO [stdout] b2f2b593a1d4d14c8713a2589ea9f1c83f61738ce4d5e1d41dd1ef6ad6cfa258
Dec 18 07:43:14.068 INFO running `"docker" "start" "-a" "b2f2b593a1d4d14c8713a2589ea9f1c83f61738ce4d5e1d41dd1ef6ad6cfa258"`
Dec 18 07:43:16.405 INFO [stderr]     Checking clap v2.27.1
Dec 18 07:43:16.416 INFO [stderr]     Checking tokio-threadpool v0.1.6
Dec 18 07:43:16.416 INFO [stderr]     Checking tokio-reactor v0.1.5
Dec 18 07:43:18.811 INFO [stderr]     Checking tokio-udp v0.1.2
Dec 18 07:43:18.811 INFO [stderr]     Checking tokio-tcp v0.1.1
Dec 18 07:43:18.812 INFO [stderr]     Checking tokio-uds v0.2.1
Dec 18 07:43:20.044 INFO [stderr]     Checking tokio-fs v0.1.3
Dec 18 07:43:22.417 INFO [stderr]     Checking tokio v0.1.8
Dec 18 07:43:24.648 INFO [stderr]     Checking hyper v0.12.10
Dec 18 07:43:31.756 INFO [stderr]     Checking hyper-tls v0.3.0
Dec 18 07:43:33.164 INFO [stderr]     Checking reqwest v0.9.2
Dec 18 07:43:35.656 INFO [stderr]     Checking installer v0.1.0 (/opt/crater/workdir)
Dec 18 07:43:37.668 INFO [stderr] warning: unused import: `self`
Dec 18 07:43:37.668 INFO [stderr]   --> src/main.rs:10:15
Dec 18 07:43:37.668 INFO [stderr]    |
Dec 18 07:43:37.668 INFO [stderr] 10 | use std::fs::{self, DirBuilder};
Dec 18 07:43:37.668 INFO [stderr]    |               ^^^^
Dec 18 07:43:37.668 INFO [stderr]    |
Dec 18 07:43:37.668 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 07:43:37.668 INFO [stderr] 
Dec 18 07:43:37.668 INFO [stderr] warning: unnecessary parentheses around `if let` head expression
Dec 18 07:43:37.668 INFO [stderr]   --> src/main.rs:81:21
Dec 18 07:43:37.668 INFO [stderr]    |
Dec 18 07:43:37.668 INFO [stderr] 81 |    if let Some(o) = (softwares.get(software)){
Dec 18 07:43:37.668 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 07:43:37.668 INFO [stderr]    |
Dec 18 07:43:37.669 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 18 07:43:37.669 INFO [stderr] 
Dec 18 07:43:37.760 INFO [stderr] warning: unused import: `self`
Dec 18 07:43:37.760 INFO [stderr]   --> src/main.rs:10:15
Dec 18 07:43:37.760 INFO [stderr]    |
Dec 18 07:43:37.760 INFO [stderr] 10 | use std::fs::{self, DirBuilder};
Dec 18 07:43:37.760 INFO [stderr]    |               ^^^^
Dec 18 07:43:37.760 INFO [stderr]    |
Dec 18 07:43:37.760 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 07:43:37.760 INFO [stderr] 
Dec 18 07:43:37.760 INFO [stderr] warning: unnecessary parentheses around `if let` head expression
Dec 18 07:43:37.760 INFO [stderr]   --> src/main.rs:81:21
Dec 18 07:43:37.760 INFO [stderr]    |
Dec 18 07:43:37.760 INFO [stderr] 81 |    if let Some(o) = (softwares.get(software)){
Dec 18 07:43:37.760 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 07:43:37.761 INFO [stderr]    |
Dec 18 07:43:37.761 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 18 07:43:37.761 INFO [stderr] 
Dec 18 07:43:37.848 INFO [stderr] warning: unused variable: `matches`
Dec 18 07:43:37.848 INFO [stderr]   --> src/main.rs:22:17
Dec 18 07:43:37.848 INFO [stderr]    |
Dec 18 07:43:37.848 INFO [stderr] 22 |     if let Some(matches) = matches.subcommand_matches("hello_there") {
Dec 18 07:43:37.849 INFO [stderr]    |                 ^^^^^^^ help: consider using `_matches` instead
Dec 18 07:43:37.849 INFO [stderr]    |
Dec 18 07:43:37.849 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 07:43:37.849 INFO [stderr] 
Dec 18 07:43:37.864 INFO [stderr] warning: function is never used: `create_file`
Dec 18 07:43:37.864 INFO [stderr]   --> src/main.rs:36:1
Dec 18 07:43:37.864 INFO [stderr]    |
Dec 18 07:43:37.864 INFO [stderr] 36 | fn create_file() -> std::io::Result<()>{
Dec 18 07:43:37.864 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:43:37.864 INFO [stderr]    |
Dec 18 07:43:37.865 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 07:43:37.865 INFO [stderr] 
Dec 18 07:43:37.865 INFO [stderr] warning: function is never used: `get_page`
Dec 18 07:43:37.865 INFO [stderr]   --> src/main.rs:41:1
Dec 18 07:43:37.865 INFO [stderr]    |
Dec 18 07:43:37.865 INFO [stderr] 41 | fn get_page(url: &str) -> Result<String, reqwest::Error>{
Dec 18 07:43:37.865 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:43:37.865 INFO [stderr] 
Dec 18 07:43:37.865 INFO [stderr] warning: enum is never used: `Error`
Dec 18 07:43:37.865 INFO [stderr]   --> src/main.rs:63:1
Dec 18 07:43:37.865 INFO [stderr]    |
Dec 18 07:43:37.865 INFO [stderr] 63 | enum Error{
Dec 18 07:43:37.865 INFO [stderr]    | ^^^^^^^^^^
Dec 18 07:43:37.865 INFO [stderr] 
Dec 18 07:43:37.865 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:43:37.865 INFO [stderr]   --> src/main.rs:18:2
Dec 18 07:43:37.865 INFO [stderr]    |
Dec 18 07:43:37.865 INFO [stderr] 18 |     get_save("https://www.rust-lang.org/logos/rust-logo-128x128-blk-v2.png");
Dec 18 07:43:37.865 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:43:37.865 INFO [stderr]    |
Dec 18 07:43:37.865 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 07:43:37.865 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:43:37.865 INFO [stderr] 
Dec 18 07:43:37.865 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:43:37.865 INFO [stderr]   --> src/main.rs:48:2
Dec 18 07:43:37.865 INFO [stderr]    |
Dec 18 07:43:37.865 INFO [stderr] 48 |     resp.copy_to(&mut file);
Dec 18 07:43:37.865 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:43:37.865 INFO [stderr]    |
Dec 18 07:43:37.865 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:43:37.865 INFO [stderr] 
Dec 18 07:43:37.865 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:43:37.865 INFO [stderr]   --> src/main.rs:55:2
Dec 18 07:43:37.865 INFO [stderr]    |
Dec 18 07:43:37.865 INFO [stderr] 55 |       DirBuilder::new()
Dec 18 07:43:37.865 INFO [stderr]    |  _____^
Dec 18 07:43:37.865 INFO [stderr] 56 | |         .recursive(true)
Dec 18 07:43:37.865 INFO [stderr] 57 | |         .create(&path);
Dec 18 07:43:37.865 INFO [stderr]    | |_______________________^
Dec 18 07:43:37.865 INFO [stderr]    |
Dec 18 07:43:37.865 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:43:37.865 INFO [stderr] 
Dec 18 07:43:37.865 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:43:37.865 INFO [stderr]   --> src/main.rs:59:2
Dec 18 07:43:37.865 INFO [stderr]    |
Dec 18 07:43:37.866 INFO [stderr] 59 |       DirBuilder::new()
Dec 18 07:43:37.866 INFO [stderr]    |  _____^
Dec 18 07:43:37.866 INFO [stderr] 60 | |         .recursive(true)
Dec 18 07:43:37.866 INFO [stderr] 61 | |         .create(&path);
Dec 18 07:43:37.866 INFO [stderr]    | |_______________________^
Dec 18 07:43:37.866 INFO [stderr]    |
Dec 18 07:43:37.866 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:43:37.866 INFO [stderr] 
Dec 18 07:43:37.951 INFO [stderr] warning: unused variable: `matches`
Dec 18 07:43:37.951 INFO [stderr]   --> src/main.rs:22:17
Dec 18 07:43:37.951 INFO [stderr]    |
Dec 18 07:43:37.951 INFO [stderr] 22 |     if let Some(matches) = matches.subcommand_matches("hello_there") {
Dec 18 07:43:37.951 INFO [stderr]    |                 ^^^^^^^ help: consider using `_matches` instead
Dec 18 07:43:37.951 INFO [stderr]    |
Dec 18 07:43:37.951 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 07:43:37.951 INFO [stderr] 
Dec 18 07:43:37.980 INFO [stderr] warning: function is never used: `create_file`
Dec 18 07:43:37.980 INFO [stderr]   --> src/main.rs:36:1
Dec 18 07:43:37.980 INFO [stderr]    |
Dec 18 07:43:37.980 INFO [stderr] 36 | fn create_file() -> std::io::Result<()>{
Dec 18 07:43:37.980 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:43:37.980 INFO [stderr]    |
Dec 18 07:43:37.980 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 07:43:37.981 INFO [stderr] 
Dec 18 07:43:37.981 INFO [stderr] warning: function is never used: `get_page`
Dec 18 07:43:37.981 INFO [stderr]   --> src/main.rs:41:1
Dec 18 07:43:37.981 INFO [stderr]    |
Dec 18 07:43:37.981 INFO [stderr] 41 | fn get_page(url: &str) -> Result<String, reqwest::Error>{
Dec 18 07:43:37.981 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:43:37.981 INFO [stderr] 
Dec 18 07:43:37.981 INFO [stderr] warning: enum is never used: `Error`
Dec 18 07:43:37.981 INFO [stderr]   --> src/main.rs:63:1
Dec 18 07:43:37.981 INFO [stderr]    |
Dec 18 07:43:37.981 INFO [stderr] 63 | enum Error{
Dec 18 07:43:37.981 INFO [stderr]    | ^^^^^^^^^^
Dec 18 07:43:37.981 INFO [stderr] 
Dec 18 07:43:37.981 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:43:37.981 INFO [stderr]   --> src/main.rs:18:2
Dec 18 07:43:37.981 INFO [stderr]    |
Dec 18 07:43:37.981 INFO [stderr] 18 |     get_save("https://www.rust-lang.org/logos/rust-logo-128x128-blk-v2.png");
Dec 18 07:43:37.981 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:43:37.981 INFO [stderr]    |
Dec 18 07:43:37.981 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 07:43:37.981 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:43:37.981 INFO [stderr] 
Dec 18 07:43:37.981 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:43:37.981 INFO [stderr]   --> src/main.rs:48:2
Dec 18 07:43:37.981 INFO [stderr]    |
Dec 18 07:43:37.981 INFO [stderr] 48 |     resp.copy_to(&mut file);
Dec 18 07:43:37.981 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:43:37.981 INFO [stderr]    |
Dec 18 07:43:37.981 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:43:37.981 INFO [stderr] 
Dec 18 07:43:37.982 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:43:37.982 INFO [stderr]   --> src/main.rs:55:2
Dec 18 07:43:37.982 INFO [stderr]    |
Dec 18 07:43:37.982 INFO [stderr] 55 |       DirBuilder::new()
Dec 18 07:43:37.982 INFO [stderr]    |  _____^
Dec 18 07:43:37.982 INFO [stderr] 56 | |         .recursive(true)
Dec 18 07:43:37.982 INFO [stderr] 57 | |         .create(&path);
Dec 18 07:43:37.982 INFO [stderr]    | |_______________________^
Dec 18 07:43:37.982 INFO [stderr]    |
Dec 18 07:43:37.982 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:43:37.982 INFO [stderr] 
Dec 18 07:43:37.982 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:43:37.982 INFO [stderr]   --> src/main.rs:59:2
Dec 18 07:43:37.982 INFO [stderr]    |
Dec 18 07:43:37.982 INFO [stderr] 59 |       DirBuilder::new()
Dec 18 07:43:37.982 INFO [stderr]    |  _____^
Dec 18 07:43:37.982 INFO [stderr] 60 | |         .recursive(true)
Dec 18 07:43:37.982 INFO [stderr] 61 | |         .create(&path);
Dec 18 07:43:37.982 INFO [stderr]    | |_______________________^
Dec 18 07:43:37.982 INFO [stderr]    |
Dec 18 07:43:37.982 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:43:37.982 INFO [stderr] 
Dec 18 07:43:38.040 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.10s
Dec 18 07:43:39.652 INFO running `"docker" "inspect" "b2f2b593a1d4d14c8713a2589ea9f1c83f61738ce4d5e1d41dd1ef6ad6cfa258"`
Dec 18 07:43:40.008 INFO running `"docker" "rm" "-f" "b2f2b593a1d4d14c8713a2589ea9f1c83f61738ce4d5e1d41dd1ef6ad6cfa258"`
Dec 18 07:43:40.372 INFO [stdout] b2f2b593a1d4d14c8713a2589ea9f1c83f61738ce4d5e1d41dd1ef6ad6cfa258