[INFO] cloning repository pranavb/rust101
[INFO] running `"git" "clone" "--bare" "git://github.com/pranavb/rust101.git" "work/cache/sources/gh/pranavb/rust101"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/pranavb/rust101'...
[INFO] running `"git" "clone" "work/cache/sources/gh/pranavb/rust101" "work/ex/beta-1.37-6/sources/1.36.0/gh/pranavb/rust101"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/pranavb/rust101'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/pranavb/rust101" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/pranavb/rust101"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/pranavb/rust101'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a91e440c2937ec797b7805ce8130c5fb2f6ce814
[INFO] sha for GitHub repo pranavb/rust101: a91e440c2937ec797b7805ce8130c5fb2f6ce814
[INFO] validating manifest of pranavb/rust101 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 pranavb/rust101 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 pranavb/rust101
[INFO] finished frobbing pranavb/rust101
[INFO] frobbed toml for pranavb/rust101 written to work/ex/beta-1.37-6/sources/1.36.0/gh/pranavb/rust101/Cargo.toml
[INFO] started frobbing pranavb/rust101
[INFO] finished frobbing pranavb/rust101
[INFO] frobbed toml for pranavb/rust101 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/pranavb/rust101/Cargo.toml
[INFO] crate pranavb/rust101 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 pranavb/rust101 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/pranavb/rust101:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 4d5724043e59001be00690d081e0bbb9fe0a46dcafbbc7f17df8750af8f750e9
[INFO] running `"docker" "start" "-a" "4d5724043e59001be00690d081e0bbb9fe0a46dcafbbc7f17df8750af8f750e9"`
[INFO] [stderr]    Compiling spin v0.5.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling getrandom v0.1.6
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `guessing_game`
[INFO] [stderr]   --> src/main.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn guessing_game() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.15s
[INFO] running `"docker" "inspect" "4d5724043e59001be00690d081e0bbb9fe0a46dcafbbc7f17df8750af8f750e9"`
[INFO] running `"docker" "rm" "-f" "4d5724043e59001be00690d081e0bbb9fe0a46dcafbbc7f17df8750af8f750e9"`
[INFO] [stdout] 4d5724043e59001be00690d081e0bbb9fe0a46dcafbbc7f17df8750af8f750e9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/pranavb/rust101:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2d619b801c0400f33e83092c2dbea85a61e6073d33afba4803b1434b36c4797a
[INFO] running `"docker" "start" "-a" "2d619b801c0400f33e83092c2dbea85a61e6073d33afba4803b1434b36c4797a"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `guessing_game`
[INFO] [stderr]   --> src/main.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn guessing_game() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "2d619b801c0400f33e83092c2dbea85a61e6073d33afba4803b1434b36c4797a"`
[INFO] running `"docker" "rm" "-f" "2d619b801c0400f33e83092c2dbea85a61e6073d33afba4803b1434b36c4797a"`
[INFO] [stdout] 2d619b801c0400f33e83092c2dbea85a61e6073d33afba4803b1434b36c4797a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/pranavb/rust101:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 2cf10d7c33bd02db708d98f1eae6d1fe9892556ea6b3eccec1c5ec5eeec100a3
[INFO] running `"docker" "start" "-a" "2cf10d7c33bd02db708d98f1eae6d1fe9892556ea6b3eccec1c5ec5eeec100a3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-45f8e53ed014c7d9
[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" "2cf10d7c33bd02db708d98f1eae6d1fe9892556ea6b3eccec1c5ec5eeec100a3"`
[INFO] running `"docker" "rm" "-f" "2cf10d7c33bd02db708d98f1eae6d1fe9892556ea6b3eccec1c5ec5eeec100a3"`
[INFO] [stdout] 2cf10d7c33bd02db708d98f1eae6d1fe9892556ea6b3eccec1c5ec5eeec100a3