[INFO] cloning repository https://github.com/gyaresu/rust_guessing
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gyaresu/rust_guessing" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgyaresu%2Frust_guessing", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgyaresu%2Frust_guessing'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 840c6a4b87d1ee3c476a38338e4fa246540f2f74
[INFO] testing gyaresu/rust_guessing against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgyaresu%2Frust_guessing" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gyaresu/rust_guessing 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/gyaresu/rust_guessing
[INFO] finished tweaking git repo https://github.com/gyaresu/rust_guessing
[INFO] tweaked toml for git repo https://github.com/gyaresu/rust_guessing written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/gyaresu/rust_guessing 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 46da99c33dfcb3a6170f973a14c4cbeeb82653d4db2dfb2b5b4a0304df8cfaad
[INFO] running `Command { std: "docker" "start" "-a" "46da99c33dfcb3a6170f973a14c4cbeeb82653d4db2dfb2b5b4a0304df8cfaad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46da99c33dfcb3a6170f973a14c4cbeeb82653d4db2dfb2b5b4a0304df8cfaad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46da99c33dfcb3a6170f973a14c4cbeeb82653d4db2dfb2b5b4a0304df8cfaad", kill_on_drop: false }`
[INFO] [stdout] 46da99c33dfcb3a6170f973a14c4cbeeb82653d4db2dfb2b5b4a0304df8cfaad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 4a487ade00efba991a34d8e7d229cc51c04c314c85b4b34618afbfd559350f1e
[INFO] running `Command { std: "docker" "start" "-a" "4a487ade00efba991a34d8e7d229cc51c04c314c85b4b34618afbfd559350f1e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.13
[INFO] [stderr]    Compiling rand v0.3.14
[INFO] [stderr]    Compiling rust_guessing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.57s
[INFO] running `Command { std: "docker" "inspect" "4a487ade00efba991a34d8e7d229cc51c04c314c85b4b34618afbfd559350f1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a487ade00efba991a34d8e7d229cc51c04c314c85b4b34618afbfd559350f1e", kill_on_drop: false }`
[INFO] [stdout] 4a487ade00efba991a34d8e7d229cc51c04c314c85b4b34618afbfd559350f1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 51f9f834aef0df4c5bac8647dac0325d937bf77eff0c99753671286040914bce
[INFO] running `Command { std: "docker" "start" "-a" "51f9f834aef0df4c5bac8647dac0325d937bf77eff0c99753671286040914bce", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_guessing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "51f9f834aef0df4c5bac8647dac0325d937bf77eff0c99753671286040914bce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51f9f834aef0df4c5bac8647dac0325d937bf77eff0c99753671286040914bce", kill_on_drop: false }`
[INFO] [stdout] 51f9f834aef0df4c5bac8647dac0325d937bf77eff0c99753671286040914bce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 84ea3e88f00242d709dc0e7b682e599e7376ad24c9f43c787e877a4b751a536e
[INFO] running `Command { std: "docker" "start" "-a" "84ea3e88f00242d709dc0e7b682e599e7376ad24c9f43c787e877a4b751a536e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_guessing-42c94a4556a51f09)
[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] running `Command { std: "docker" "inspect" "84ea3e88f00242d709dc0e7b682e599e7376ad24c9f43c787e877a4b751a536e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84ea3e88f00242d709dc0e7b682e599e7376ad24c9f43c787e877a4b751a536e", kill_on_drop: false }`
[INFO] [stdout] 84ea3e88f00242d709dc0e7b682e599e7376ad24c9f43c787e877a4b751a536e