[INFO] updating cached repository Stuv7CB/guessing-game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Stuv7CB/guessing-game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Stuv7CB/guessing-game" "work/ex/beta-1.38-1/sources/1.37.0/gh/Stuv7CB/guessing-game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Stuv7CB/guessing-game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Stuv7CB/guessing-game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Stuv7CB/guessing-game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Stuv7CB/guessing-game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 79e7e7cc602f5ecb3224056c5dfd7f7225971db2
[INFO] sha for GitHub repo Stuv7CB/guessing-game: 79e7e7cc602f5ecb3224056c5dfd7f7225971db2
[INFO] validating manifest of Stuv7CB/guessing-game 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 Stuv7CB/guessing-game 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 Stuv7CB/guessing-game
[INFO] finished frobbing Stuv7CB/guessing-game
[INFO] frobbed toml for Stuv7CB/guessing-game written to work/ex/beta-1.38-1/sources/1.37.0/gh/Stuv7CB/guessing-game/Cargo.toml
[INFO] started frobbing Stuv7CB/guessing-game
[INFO] finished frobbing Stuv7CB/guessing-game
[INFO] frobbed toml for Stuv7CB/guessing-game written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Stuv7CB/guessing-game/Cargo.toml
[INFO] crate Stuv7CB/guessing-game 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Stuv7CB/guessing-game 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Stuv7CB/guessing-game:/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] f3cf27609a7ac72476246364e95d360a43307907e0ebee832e7cfb7bc58e62fa
[INFO] running `"docker" "start" "-a" "f3cf27609a7ac72476246364e95d360a43307907e0ebee832e7cfb7bc58e62fa"`
[INFO] [stderr]    Compiling libc v0.2.37
[INFO] [stderr]    Compiling khronos_api v2.1.0
[INFO] [stderr]    Compiling fixedbitset v0.1.8
[INFO] [stderr]    Compiling smallvec v0.6.0
[INFO] [stderr]    Compiling x11-dl v2.17.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling stb_truetype v0.2.2
[INFO] [stderr]    Compiling wayland-scanner v0.12.5
[INFO] [stderr]    Compiling ordered-float v0.5.0
[INFO] [stderr]    Compiling gl_generator v0.8.0
[INFO] [stderr]    Compiling conrod_derive v0.1.0
[INFO] [stderr]    Compiling petgraph v0.4.11
[INFO] [stderr]    Compiling wayland-sys v0.12.5
[INFO] [stderr]    Compiling rusttype v0.4.1
[INFO] [stderr]    Compiling pistoncore-input v0.20.0
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling memmap v0.6.2
[INFO] [stderr]    Compiling shared_library v0.1.8
[INFO] [stderr]    Compiling wayland-client v0.12.5
[INFO] [stderr]    Compiling wayland-protocols v0.12.5
[INFO] [stderr]    Compiling daggy v0.5.0
[INFO] [stderr]    Compiling glutin v0.12.2
[INFO] [stderr]    Compiling glium v0.20.0
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling num-bigint v0.1.43
[INFO] [stderr]    Compiling tempfile v2.2.0
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling wayland-kbd v0.13.1
[INFO] [stderr]    Compiling backtrace v0.3.5
[INFO] [stderr]    Compiling wayland-window v0.13.2
[INFO] [stderr]    Compiling winit v0.10.0
[INFO] [stderr]    Compiling conrod v0.58.0
[INFO] [stderr]    Compiling guessing-game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `rand` is imported redundantly
[INFO] [stderr]   --> src/app.rs:46:27
[INFO] [stderr]    |
[INFO] [stderr] 46 |         use super::rand::{self, Rng};
[INFO] [stderr]    |                           ^^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/main.rs:7:1
[INFO] [stderr]    |
[INFO] [stderr] 7  | extern crate rand;
[INFO] [stderr]    | ------------------ the item `rand` is already imported here
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `rand` is imported redundantly
[INFO] [stderr]   --> src/app.rs:92:27
[INFO] [stderr]    |
[INFO] [stderr] 92 |         use super::rand::{self, Rng};
[INFO] [stderr]    |                           ^^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/main.rs:7:1
[INFO] [stderr]    |
[INFO] [stderr] 7  | extern crate rand;
[INFO] [stderr]    | ------------------ the item `rand` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: the item `find_folder` is imported redundantly
[INFO] [stderr]    --> src/app.rs:101:9
[INFO] [stderr]     |
[INFO] [stderr] 101 |     use super::find_folder;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/main.rs:5:1
[INFO] [stderr]     |
[INFO] [stderr] 5   | extern crate find_folder;
[INFO] [stderr]     | ------------------------- the item `find_folder` is already imported here
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 44s
[INFO] running `"docker" "inspect" "f3cf27609a7ac72476246364e95d360a43307907e0ebee832e7cfb7bc58e62fa"`
[INFO] running `"docker" "rm" "-f" "f3cf27609a7ac72476246364e95d360a43307907e0ebee832e7cfb7bc58e62fa"`
[INFO] [stdout] f3cf27609a7ac72476246364e95d360a43307907e0ebee832e7cfb7bc58e62fa
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Stuv7CB/guessing-game:/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] c22e6511bce26f10088117f5538b4c84c66cb1bc270d289c7058e88287884096
[INFO] running `"docker" "start" "-a" "c22e6511bce26f10088117f5538b4c84c66cb1bc270d289c7058e88287884096"`
[INFO] [stderr]    Compiling guessing-game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `rand` is imported redundantly
[INFO] [stderr]   --> src/app.rs:46:27
[INFO] [stderr]    |
[INFO] [stderr] 46 |         use super::rand::{self, Rng};
[INFO] [stderr]    |                           ^^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/main.rs:7:1
[INFO] [stderr]    |
[INFO] [stderr] 7  | extern crate rand;
[INFO] [stderr]    | ------------------ the item `rand` is already imported here
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `rand` is imported redundantly
[INFO] [stderr]   --> src/app.rs:92:27
[INFO] [stderr]    |
[INFO] [stderr] 92 |         use super::rand::{self, Rng};
[INFO] [stderr]    |                           ^^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/main.rs:7:1
[INFO] [stderr]    |
[INFO] [stderr] 7  | extern crate rand;
[INFO] [stderr]    | ------------------ the item `rand` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: the item `find_folder` is imported redundantly
[INFO] [stderr]    --> src/app.rs:101:9
[INFO] [stderr]     |
[INFO] [stderr] 101 |     use super::find_folder;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/main.rs:5:1
[INFO] [stderr]     |
[INFO] [stderr] 5   | extern crate find_folder;
[INFO] [stderr]     | ------------------------- the item `find_folder` is already imported here
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.59s
[INFO] running `"docker" "inspect" "c22e6511bce26f10088117f5538b4c84c66cb1bc270d289c7058e88287884096"`
[INFO] running `"docker" "rm" "-f" "c22e6511bce26f10088117f5538b4c84c66cb1bc270d289c7058e88287884096"`
[INFO] [stdout] c22e6511bce26f10088117f5538b4c84c66cb1bc270d289c7058e88287884096
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Stuv7CB/guessing-game:/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] 76792041f60caf58d5720a8f869a862322d550e29345a68ec9b914786dce7824
[INFO] running `"docker" "start" "-a" "76792041f60caf58d5720a8f869a862322d550e29345a68ec9b914786dce7824"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-66238b6b147319ec
[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" "76792041f60caf58d5720a8f869a862322d550e29345a68ec9b914786dce7824"`
[INFO] running `"docker" "rm" "-f" "76792041f60caf58d5720a8f869a862322d550e29345a68ec9b914786dce7824"`
[INFO] [stdout] 76792041f60caf58d5720a8f869a862322d550e29345a68ec9b914786dce7824