[INFO] cloning repository https://github.com/Cats-On-Mars/rust_basic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Cats-On-Mars/rust_basic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCats-On-Mars%2Frust_basic", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCats-On-Mars%2Frust_basic'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 447aa165273e711180d86817a052dd27df69b1dc
[INFO] testing Cats-On-Mars/rust_basic against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCats-On-Mars%2Frust_basic" "/workspace/builds/worker-17/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-17/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Cats-On-Mars/rust_basic 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/Cats-On-Mars/rust_basic
[INFO] finished tweaking git repo https://github.com/Cats-On-Mars/rust_basic
[INFO] tweaked toml for git repo https://github.com/Cats-On-Mars/rust_basic written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] crate git repo https://github.com/Cats-On-Mars/rust_basic 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-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] aecad126ef7ea0076f6b3b96f54793adcf369e48b29b11cafef019380b679dbe
[INFO] running `Command { std: "docker" "start" "-a" "aecad126ef7ea0076f6b3b96f54793adcf369e48b29b11cafef019380b679dbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aecad126ef7ea0076f6b3b96f54793adcf369e48b29b11cafef019380b679dbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aecad126ef7ea0076f6b3b96f54793adcf369e48b29b11cafef019380b679dbe", kill_on_drop: false }`
[INFO] [stdout] aecad126ef7ea0076f6b3b96f54793adcf369e48b29b11cafef019380b679dbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] 142cd1e632cac5256257f31b5d300c74e73a4a172f49e8bbab725834caecb302
[INFO] running `Command { std: "docker" "start" "-a" "142cd1e632cac5256257f31b5d300c74e73a4a172f49e8bbab725834caecb302", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling basic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.87s
[INFO] running `Command { std: "docker" "inspect" "142cd1e632cac5256257f31b5d300c74e73a4a172f49e8bbab725834caecb302", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "142cd1e632cac5256257f31b5d300c74e73a4a172f49e8bbab725834caecb302", kill_on_drop: false }`
[INFO] [stdout] 142cd1e632cac5256257f31b5d300c74e73a4a172f49e8bbab725834caecb302
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] 4816ea39c9842f321935b658b7832093ea8387fbcd9d728ed8fd148d25608c69
[INFO] running `Command { std: "docker" "start" "-a" "4816ea39c9842f321935b658b7832093ea8387fbcd9d728ed8fd148d25608c69", kill_on_drop: false }`
[INFO] [stderr]    Compiling basic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "4816ea39c9842f321935b658b7832093ea8387fbcd9d728ed8fd148d25608c69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4816ea39c9842f321935b658b7832093ea8387fbcd9d728ed8fd148d25608c69", kill_on_drop: false }`
[INFO] [stdout] 4816ea39c9842f321935b658b7832093ea8387fbcd9d728ed8fd148d25608c69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] 502cc5b402a56d27c4d2535f4783edfa74f9dc60ac5bbb88e20c911b4a8b9296
[INFO] running `Command { std: "docker" "start" "-a" "502cc5b402a56d27c4d2535f4783edfa74f9dc60ac5bbb88e20c911b4a8b9296", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.43s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/basic-f1bdca1abca3a873)
[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] running `Command { std: "docker" "inspect" "502cc5b402a56d27c4d2535f4783edfa74f9dc60ac5bbb88e20c911b4a8b9296", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "502cc5b402a56d27c4d2535f4783edfa74f9dc60ac5bbb88e20c911b4a8b9296", kill_on_drop: false }`
[INFO] [stdout] 502cc5b402a56d27c4d2535f4783edfa74f9dc60ac5bbb88e20c911b4a8b9296