[INFO] updating cached repository https://github.com/mur6/learning-rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3c6a2b3380f285a48d6d5c0a7eff431425a81168
[INFO] testing mur6/learning-rust against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmur6%2Flearning-rust" "work/builds/worker-5/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mur6/learning-rust on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mur6/learning-rust
[INFO] finished tweaking git repo https://github.com/mur6/learning-rust
[INFO] tweaked toml for git repo https://github.com/mur6/learning-rust written to work/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/mur6/learning-rust already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] e7bf08446b7a6f0d2a2902af62065e0843c6cbcb24e1af04062bf2a0a8bf5c72
[INFO] running `"docker" "start" "-a" "e7bf08446b7a6f0d2a2902af62065e0843c6cbcb24e1af04062bf2a0a8bf5c72"`
[INFO] [stderr]    Compiling rand v0.4.1
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]   --> src/main.rs:22:29
[INFO] [stderr]    |
[INFO] [stderr] 22 |         while a[i] > key && i >= 0 {
[INFO] [stderr]    |                             ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `"docker" "inspect" "e7bf08446b7a6f0d2a2902af62065e0843c6cbcb24e1af04062bf2a0a8bf5c72"`
[INFO] running `"docker" "rm" "-f" "e7bf08446b7a6f0d2a2902af62065e0843c6cbcb24e1af04062bf2a0a8bf5c72"`
[INFO] [stdout] e7bf08446b7a6f0d2a2902af62065e0843c6cbcb24e1af04062bf2a0a8bf5c72
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 659a5d38adee24ff8e9a8e30966eaf36e56f6f154ecab6ba25c073aa2a1be884
[INFO] running `"docker" "start" "-a" "659a5d38adee24ff8e9a8e30966eaf36e56f6f154ecab6ba25c073aa2a1be884"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]   --> src/main.rs:22:29
[INFO] [stderr]    |
[INFO] [stderr] 22 |         while a[i] > key && i >= 0 {
[INFO] [stderr]    |                             ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `"docker" "inspect" "659a5d38adee24ff8e9a8e30966eaf36e56f6f154ecab6ba25c073aa2a1be884"`
[INFO] running `"docker" "rm" "-f" "659a5d38adee24ff8e9a8e30966eaf36e56f6f154ecab6ba25c073aa2a1be884"`
[INFO] [stdout] 659a5d38adee24ff8e9a8e30966eaf36e56f6f154ecab6ba25c073aa2a1be884
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 7e0db3f0564d0a2af0179ba50c7ac7f338befe2d9febf7cf4966a1c81b3171a6
[INFO] running `"docker" "start" "-a" "7e0db3f0564d0a2af0179ba50c7ac7f338befe2d9febf7cf4966a1c81b3171a6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/guessing_game-02c08648d86d33cf
[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" "7e0db3f0564d0a2af0179ba50c7ac7f338befe2d9febf7cf4966a1c81b3171a6"`
[INFO] running `"docker" "rm" "-f" "7e0db3f0564d0a2af0179ba50c7ac7f338befe2d9febf7cf4966a1c81b3171a6"`
[INFO] [stdout] 7e0db3f0564d0a2af0179ba50c7ac7f338befe2d9febf7cf4966a1c81b3171a6