[INFO] cloning repository jossefenya/ci-rust
[INFO] running `"git" "clone" "--bare" "git://github.com/jossefenya/ci-rust.git" "work/cache/sources/gh/jossefenya/ci-rust"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/jossefenya/ci-rust'...
[INFO] running `"git" "clone" "work/cache/sources/gh/jossefenya/ci-rust" "work/ex/beta-1.37-6/sources/1.36.0/gh/jossefenya/ci-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/jossefenya/ci-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jossefenya/ci-rust" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jossefenya/ci-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jossefenya/ci-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cbec5539637cf0c9d84e94ca8b616f36696c0a27
[INFO] sha for GitHub repo jossefenya/ci-rust: cbec5539637cf0c9d84e94ca8b616f36696c0a27
[INFO] validating manifest of jossefenya/ci-rust on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jossefenya/ci-rust on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jossefenya/ci-rust
[INFO] finished frobbing jossefenya/ci-rust
[INFO] frobbed toml for jossefenya/ci-rust written to work/ex/beta-1.37-6/sources/1.36.0/gh/jossefenya/ci-rust/Cargo.toml
[INFO] started frobbing jossefenya/ci-rust
[INFO] finished frobbing jossefenya/ci-rust
[INFO] frobbed toml for jossefenya/ci-rust written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jossefenya/ci-rust/Cargo.toml
[INFO] crate jossefenya/ci-rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing jossefenya/ci-rust against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/jossefenya/ci-rust:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 1a4e41f17c22a0f5f8947589c1c7f0ca3bd91c0c8a9a3d165c9d300dc5fdab62
[INFO] running `"docker" "start" "-a" "1a4e41f17c22a0f5f8947589c1c7f0ca3bd91c0c8a9a3d165c9d300dc5fdab62"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `guess`
[INFO] [stderr]  --> src/main.rs:5:13
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let mut guess = String::new();
[INFO] [stderr]   |             ^^^^^ help: consider prefixing with an underscore: `_guess`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/main.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let mut guess = String::new();
[INFO] [stderr]   |         ----^^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "1a4e41f17c22a0f5f8947589c1c7f0ca3bd91c0c8a9a3d165c9d300dc5fdab62"`
[INFO] running `"docker" "rm" "-f" "1a4e41f17c22a0f5f8947589c1c7f0ca3bd91c0c8a9a3d165c9d300dc5fdab62"`
[INFO] [stdout] 1a4e41f17c22a0f5f8947589c1c7f0ca3bd91c0c8a9a3d165c9d300dc5fdab62
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/jossefenya/ci-rust:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] f38867dbab8204504091fe05fa2986774e65ef8599c4f42a7fbc139a030ceeea
[INFO] running `"docker" "start" "-a" "f38867dbab8204504091fe05fa2986774e65ef8599c4f42a7fbc139a030ceeea"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `guess`
[INFO] [stderr]  --> src/main.rs:5:13
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let mut guess = String::new();
[INFO] [stderr]   |             ^^^^^ help: consider prefixing with an underscore: `_guess`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/main.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let mut guess = String::new();
[INFO] [stderr]   |         ----^^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `"docker" "inspect" "f38867dbab8204504091fe05fa2986774e65ef8599c4f42a7fbc139a030ceeea"`
[INFO] running `"docker" "rm" "-f" "f38867dbab8204504091fe05fa2986774e65ef8599c4f42a7fbc139a030ceeea"`
[INFO] [stdout] f38867dbab8204504091fe05fa2986774e65ef8599c4f42a7fbc139a030ceeea
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/jossefenya/ci-rust:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] d2d7268eaa0af95fcd4f5271741731c713997b9dc9693f0aa1df461e3b58ff54
[INFO] running `"docker" "start" "-a" "d2d7268eaa0af95fcd4f5271741731c713997b9dc9693f0aa1df461e3b58ff54"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-98427f2fb6574a6b
[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" "d2d7268eaa0af95fcd4f5271741731c713997b9dc9693f0aa1df461e3b58ff54"`
[INFO] running `"docker" "rm" "-f" "d2d7268eaa0af95fcd4f5271741731c713997b9dc9693f0aa1df461e3b58ff54"`
[INFO] [stdout] d2d7268eaa0af95fcd4f5271741731c713997b9dc9693f0aa1df461e3b58ff54