[INFO] updating cached repository FRC6644/installer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/FRC6644/installer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/FRC6644/installer" "work/ex/beta-1.38-1/sources/1.37.0/gh/FRC6644/installer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/FRC6644/installer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/FRC6644/installer" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/FRC6644/installer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/FRC6644/installer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7d0729275e25744fa679e04d39d8dd13b9b90f2c
[INFO] sha for GitHub repo FRC6644/installer: 7d0729275e25744fa679e04d39d8dd13b9b90f2c
[INFO] validating manifest of FRC6644/installer on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of FRC6644/installer on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing FRC6644/installer
[INFO] finished frobbing FRC6644/installer
[INFO] frobbed toml for FRC6644/installer written to work/ex/beta-1.38-1/sources/1.37.0/gh/FRC6644/installer/Cargo.toml
[INFO] started frobbing FRC6644/installer
[INFO] finished frobbing FRC6644/installer
[INFO] frobbed toml for FRC6644/installer written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/FRC6644/installer/Cargo.toml
[INFO] crate FRC6644/installer already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing FRC6644/installer against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 90d8f6d3003ba0fd8dd4eb514841cf6ae59418a82574b201f8814fd47f88cd32
[INFO] running `"docker" "start" "-a" "90d8f6d3003ba0fd8dd4eb514841cf6ae59418a82574b201f8814fd47f88cd32"`
[INFO] [stderr]    Compiling openssl v0.10.12
[INFO] [stderr]    Compiling native-tls v0.2.1
[INFO] [stderr]    Compiling unicase v2.1.0
[INFO] [stderr]    Compiling dirs v1.0.4
[INFO] [stderr]    Compiling log v0.4.5
[INFO] [stderr]    Compiling serde v1.0.79
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling uuid v0.7.1
[INFO] [stderr]    Compiling http v0.1.13
[INFO] [stderr]    Compiling crossbeam-epoch v0.5.2
[INFO] [stderr]    Compiling libflate v0.1.18
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling tokio-io v0.1.8
[INFO] [stderr]    Compiling want v0.0.6
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling clap v2.27.1
[INFO] [stderr]    Compiling phf_codegen v0.7.23
[INFO] [stderr]    Compiling crossbeam-deque v0.6.1
[INFO] [stderr]    Compiling tokio-codec v0.1.0
[INFO] [stderr]    Compiling mime v0.3.9
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]    Compiling tokio-threadpool v0.1.6
[INFO] [stderr]    Compiling tokio-reactor v0.1.5
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling tokio-tcp v0.1.1
[INFO] [stderr]    Compiling tokio-uds v0.2.1
[INFO] [stderr]    Compiling tokio-udp v0.1.2
[INFO] [stderr]    Compiling tokio-fs v0.1.3
[INFO] [stderr]    Compiling h2 v0.1.12
[INFO] [stderr]    Compiling tokio v0.1.8
[INFO] [stderr]    Compiling serde_json v1.0.30
[INFO] [stderr]    Compiling serde_urlencoded v0.5.3
[INFO] [stderr]    Compiling hyper v0.12.10
[INFO] [stderr]    Compiling hyper-tls v0.3.0
[INFO] [stderr]    Compiling reqwest v0.9.2
[INFO] [stderr]    Compiling installer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]   --> src/main.rs:10:15
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::fs::{self, DirBuilder};
[INFO] [stderr]    |               ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `let` head expression
[INFO] [stderr]   --> src/main.rs:81:21
[INFO] [stderr]    |
[INFO] [stderr] 81 |    if let Some(o) = (softwares.get(software)){
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `matches`
[INFO] [stderr]   --> src/main.rs:22:17
[INFO] [stderr]    |
[INFO] [stderr] 22 |     if let Some(matches) = matches.subcommand_matches("hello_there") {
[INFO] [stderr]    |                 ^^^^^^^ help: consider prefixing with an underscore: `_matches`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create_file`
[INFO] [stderr]   --> src/main.rs:36:1
[INFO] [stderr]    |
[INFO] [stderr] 36 | fn create_file() -> std::io::Result<()>{
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_page`
[INFO] [stderr]   --> src/main.rs:41:1
[INFO] [stderr]    |
[INFO] [stderr] 41 | fn get_page(url: &str) -> Result<String, reqwest::Error>{
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Error`
[INFO] [stderr]   --> src/main.rs:63:1
[INFO] [stderr]    |
[INFO] [stderr] 63 | enum Error{
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:18:2
[INFO] [stderr]    |
[INFO] [stderr] 18 |     get_save("https://www.rust-lang.org/logos/rust-logo-128x128-blk-v2.png");
[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:48:2
[INFO] [stderr]    |
[INFO] [stderr] 48 |     resp.copy_to(&mut file);
[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:55:2
[INFO] [stderr]    |
[INFO] [stderr] 55 |       DirBuilder::new()
[INFO] [stderr]    |  _____^
[INFO] [stderr] 56 | |         .recursive(true)
[INFO] [stderr] 57 | |         .create(&path);
[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:59:2
[INFO] [stderr]    |
[INFO] [stderr] 59 |       DirBuilder::new()
[INFO] [stderr]    |  _____^
[INFO] [stderr] 60 | |         .recursive(true)
[INFO] [stderr] 61 | |         .create(&path);
[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 1m 48s
[INFO] running `"docker" "inspect" "90d8f6d3003ba0fd8dd4eb514841cf6ae59418a82574b201f8814fd47f88cd32"`
[INFO] running `"docker" "rm" "-f" "90d8f6d3003ba0fd8dd4eb514841cf6ae59418a82574b201f8814fd47f88cd32"`
[INFO] [stdout] 90d8f6d3003ba0fd8dd4eb514841cf6ae59418a82574b201f8814fd47f88cd32
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 513802ee1f43605de2f5d721d1b26952737a8ac968f17d3ae7be5290da2ed760
[INFO] running `"docker" "start" "-a" "513802ee1f43605de2f5d721d1b26952737a8ac968f17d3ae7be5290da2ed760"`
[INFO] [stderr]    Compiling installer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]   --> src/main.rs:10:15
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::fs::{self, DirBuilder};
[INFO] [stderr]    |               ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `let` head expression
[INFO] [stderr]   --> src/main.rs:81:21
[INFO] [stderr]    |
[INFO] [stderr] 81 |    if let Some(o) = (softwares.get(software)){
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `matches`
[INFO] [stderr]   --> src/main.rs:22:17
[INFO] [stderr]    |
[INFO] [stderr] 22 |     if let Some(matches) = matches.subcommand_matches("hello_there") {
[INFO] [stderr]    |                 ^^^^^^^ help: consider prefixing with an underscore: `_matches`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create_file`
[INFO] [stderr]   --> src/main.rs:36:1
[INFO] [stderr]    |
[INFO] [stderr] 36 | fn create_file() -> std::io::Result<()>{
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_page`
[INFO] [stderr]   --> src/main.rs:41:1
[INFO] [stderr]    |
[INFO] [stderr] 41 | fn get_page(url: &str) -> Result<String, reqwest::Error>{
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Error`
[INFO] [stderr]   --> src/main.rs:63:1
[INFO] [stderr]    |
[INFO] [stderr] 63 | enum Error{
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:18:2
[INFO] [stderr]    |
[INFO] [stderr] 18 |     get_save("https://www.rust-lang.org/logos/rust-logo-128x128-blk-v2.png");
[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:48:2
[INFO] [stderr]    |
[INFO] [stderr] 48 |     resp.copy_to(&mut file);
[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:55:2
[INFO] [stderr]    |
[INFO] [stderr] 55 |       DirBuilder::new()
[INFO] [stderr]    |  _____^
[INFO] [stderr] 56 | |         .recursive(true)
[INFO] [stderr] 57 | |         .create(&path);
[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:59:2
[INFO] [stderr]    |
[INFO] [stderr] 59 |       DirBuilder::new()
[INFO] [stderr]    |  _____^
[INFO] [stderr] 60 | |         .recursive(true)
[INFO] [stderr] 61 | |         .create(&path);
[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 1.22s
[INFO] running `"docker" "inspect" "513802ee1f43605de2f5d721d1b26952737a8ac968f17d3ae7be5290da2ed760"`
[INFO] running `"docker" "rm" "-f" "513802ee1f43605de2f5d721d1b26952737a8ac968f17d3ae7be5290da2ed760"`
[INFO] [stdout] 513802ee1f43605de2f5d721d1b26952737a8ac968f17d3ae7be5290da2ed760
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] b6715086803cb607cc3a880d3d63bbfff82c5728bce67f621c90e0af8adef8ee
[INFO] running `"docker" "start" "-a" "b6715086803cb607cc3a880d3d63bbfff82c5728bce67f621c90e0af8adef8ee"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/installer-15a637b53e849388
[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" "b6715086803cb607cc3a880d3d63bbfff82c5728bce67f621c90e0af8adef8ee"`
[INFO] running `"docker" "rm" "-f" "b6715086803cb607cc3a880d3d63bbfff82c5728bce67f621c90e0af8adef8ee"`
[INFO] [stdout] b6715086803cb607cc3a880d3d63bbfff82c5728bce67f621c90e0af8adef8ee