[INFO] updating cached repository https://github.com/dennemann/reverse_guessing_game
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] af8745417ec507cc4b40c7e91d53557a5d2511e8
[INFO] testing dennemann/reverse_guessing_game against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdennemann%2Freverse_guessing_game" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dennemann/reverse_guessing_game on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/dennemann/reverse_guessing_game
[INFO] finished tweaking git repo https://github.com/dennemann/reverse_guessing_game
[INFO] tweaked toml for git repo https://github.com/dennemann/reverse_guessing_game written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/dennemann/reverse_guessing_game already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4dd4c6dfd4525d5ec2395c1901052986bcfb535aaddb30997351de7810ecd393
[INFO] running `"docker" "start" "-a" "4dd4c6dfd4525d5ec2395c1901052986bcfb535aaddb30997351de7810ecd393"`
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling reverse_guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused label
[INFO] [stderr]   --> src/main.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |         'inner: for i in &result { // Let's make sure we are not guessing the same number twice.
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_labels)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.12s
[INFO] running `"docker" "inspect" "4dd4c6dfd4525d5ec2395c1901052986bcfb535aaddb30997351de7810ecd393"`
[INFO] running `"docker" "rm" "-f" "4dd4c6dfd4525d5ec2395c1901052986bcfb535aaddb30997351de7810ecd393"`
[INFO] [stdout] 4dd4c6dfd4525d5ec2395c1901052986bcfb535aaddb30997351de7810ecd393
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4039b25bfde6e198db37d5da8df7c002fb009798c9298e9f07a31798b6c0da90
[INFO] running `"docker" "start" "-a" "4039b25bfde6e198db37d5da8df7c002fb009798c9298e9f07a31798b6c0da90"`
[INFO] [stderr]    Compiling reverse_guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused label
[INFO] [stderr]   --> src/main.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |         'inner: for i in &result { // Let's make sure we are not guessing the same number twice.
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_labels)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `"docker" "inspect" "4039b25bfde6e198db37d5da8df7c002fb009798c9298e9f07a31798b6c0da90"`
[INFO] running `"docker" "rm" "-f" "4039b25bfde6e198db37d5da8df7c002fb009798c9298e9f07a31798b6c0da90"`
[INFO] [stdout] 4039b25bfde6e198db37d5da8df7c002fb009798c9298e9f07a31798b6c0da90
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1296263c5d1bec790cf7f2fb76e8f9deedfb32fb57b31dc974cf13cbe99df810
[INFO] running `"docker" "start" "-a" "1296263c5d1bec790cf7f2fb76e8f9deedfb32fb57b31dc974cf13cbe99df810"`
[INFO] [stderr] warning: unused label
[INFO] [stdout] 
[INFO] [stderr]   --> src/main.rs:27:9
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 27 |         'inner: for i in &result { // Let's make sure we are not guessing the same number twice.
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_labels)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/reverse_guessing_game-a5303f965367cbc1
[INFO] running `"docker" "inspect" "1296263c5d1bec790cf7f2fb76e8f9deedfb32fb57b31dc974cf13cbe99df810"`
[INFO] running `"docker" "rm" "-f" "1296263c5d1bec790cf7f2fb76e8f9deedfb32fb57b31dc974cf13cbe99df810"`
[INFO] [stdout] 1296263c5d1bec790cf7f2fb76e8f9deedfb32fb57b31dc974cf13cbe99df810