[INFO] cloning repository https://github.com/integrational/guessing-game-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/integrational/guessing-game-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fintegrational%2Fguessing-game-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fintegrational%2Fguessing-game-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c800c43032a08910460217724733f5a60d0d175a
[INFO] testing integrational/guessing-game-rust against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fintegrational%2Fguessing-game-rust" "/workspace/builds/worker-94/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-94/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/integrational/guessing-game-rust on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/integrational/guessing-game-rust
[INFO] finished tweaking git repo https://github.com/integrational/guessing-game-rust
[INFO] tweaked toml for git repo https://github.com/integrational/guessing-game-rust written to /workspace/builds/worker-94/source/Cargo.toml
[INFO] crate git repo https://github.com/integrational/guessing-game-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e98086404dbc2cdc751d79746919df91af9b8672a8b12eca731e9a0e54812d23
[INFO] running `Command { std: "docker" "start" "-a" "e98086404dbc2cdc751d79746919df91af9b8672a8b12eca731e9a0e54812d23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e98086404dbc2cdc751d79746919df91af9b8672a8b12eca731e9a0e54812d23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e98086404dbc2cdc751d79746919df91af9b8672a8b12eca731e9a0e54812d23", kill_on_drop: false }`
[INFO] [stdout] e98086404dbc2cdc751d79746919df91af9b8672a8b12eca731e9a0e54812d23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3441f18af81824d15cc5b7caad7602df412476651e071f47947c039bbf736ae2
[INFO] running `Command { std: "docker" "start" "-a" "3441f18af81824d15cc5b7caad7602df412476651e071f47947c039bbf736ae2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling guessing-game-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 58.76s
[INFO] running `Command { std: "docker" "inspect" "3441f18af81824d15cc5b7caad7602df412476651e071f47947c039bbf736ae2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3441f18af81824d15cc5b7caad7602df412476651e071f47947c039bbf736ae2", kill_on_drop: false }`
[INFO] [stdout] 3441f18af81824d15cc5b7caad7602df412476651e071f47947c039bbf736ae2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 482f2e43916c92dfe7096d7c74fcbacc5417834fefd83c967fde14dc74153eeb
[INFO] running `Command { std: "docker" "start" "-a" "482f2e43916c92dfe7096d7c74fcbacc5417834fefd83c967fde14dc74153eeb", kill_on_drop: false }`
[INFO] [stderr]    Compiling guessing-game-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `Command { std: "docker" "inspect" "482f2e43916c92dfe7096d7c74fcbacc5417834fefd83c967fde14dc74153eeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "482f2e43916c92dfe7096d7c74fcbacc5417834fefd83c967fde14dc74153eeb", kill_on_drop: false }`
[INFO] [stdout] 482f2e43916c92dfe7096d7c74fcbacc5417834fefd83c967fde14dc74153eeb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 29e0e79f3e3c19607a19f7fdcf0f4d335f2f23bc6b774f62e313619327843602
[INFO] running `Command { std: "docker" "start" "-a" "29e0e79f3e3c19607a19f7fdcf0f4d335f2f23bc6b774f62e313619327843602", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.94s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/guessing_game_rust-e889e6b2a974156c)
[INFO] running `Command { std: "docker" "inspect" "29e0e79f3e3c19607a19f7fdcf0f4d335f2f23bc6b774f62e313619327843602", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29e0e79f3e3c19607a19f7fdcf0f4d335f2f23bc6b774f62e313619327843602", kill_on_drop: false }`
[INFO] [stdout] 29e0e79f3e3c19607a19f7fdcf0f4d335f2f23bc6b774f62e313619327843602