[INFO] cloning repository https://github.com/learn-you-a-rust/structs_example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/learn-you-a-rust/structs_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flearn-you-a-rust%2Fstructs_example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flearn-you-a-rust%2Fstructs_example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] be9b4b2f694b4aa2ea787f63daa8e0c8b574a754
[INFO] testing learn-you-a-rust/structs_example against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flearn-you-a-rust%2Fstructs_example" "/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/learn-you-a-rust/structs_example on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/learn-you-a-rust/structs_example
[INFO] finished tweaking git repo https://github.com/learn-you-a-rust/structs_example
[INFO] tweaked toml for git repo https://github.com/learn-you-a-rust/structs_example written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/learn-you-a-rust/structs_example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 89c8de5fae0ef32fbdd13044b61d531f807a412af4912acbfc29e6822b5d9cf3
[INFO] running `Command { std: "docker" "start" "-a" "89c8de5fae0ef32fbdd13044b61d531f807a412af4912acbfc29e6822b5d9cf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89c8de5fae0ef32fbdd13044b61d531f807a412af4912acbfc29e6822b5d9cf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89c8de5fae0ef32fbdd13044b61d531f807a412af4912acbfc29e6822b5d9cf3", kill_on_drop: false }`
[INFO] [stdout] 89c8de5fae0ef32fbdd13044b61d531f807a412af4912acbfc29e6822b5d9cf3
[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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 887157268e0dc5f1b5ba07018b69e43e51c5e3a54e35b71170b36b33a2509eb4
[INFO] running `Command { std: "docker" "start" "-a" "887157268e0dc5f1b5ba07018b69e43e51c5e3a54e35b71170b36b33a2509eb4", kill_on_drop: false }`
[INFO] [stderr]    Compiling structs_example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "887157268e0dc5f1b5ba07018b69e43e51c5e3a54e35b71170b36b33a2509eb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "887157268e0dc5f1b5ba07018b69e43e51c5e3a54e35b71170b36b33a2509eb4", kill_on_drop: false }`
[INFO] [stdout] 887157268e0dc5f1b5ba07018b69e43e51c5e3a54e35b71170b36b33a2509eb4
[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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75b8fdc6720866a619db9d094f61b87db2eac1eba69c18d7c825c6c644d9548d
[INFO] running `Command { std: "docker" "start" "-a" "75b8fdc6720866a619db9d094f61b87db2eac1eba69c18d7c825c6c644d9548d", kill_on_drop: false }`
[INFO] [stderr]    Compiling structs_example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "75b8fdc6720866a619db9d094f61b87db2eac1eba69c18d7c825c6c644d9548d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75b8fdc6720866a619db9d094f61b87db2eac1eba69c18d7c825c6c644d9548d", kill_on_drop: false }`
[INFO] [stdout] 75b8fdc6720866a619db9d094f61b87db2eac1eba69c18d7c825c6c644d9548d
[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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 25d32ddb793385582c8063ff75a8e5c2c1003739244f449039b467f9bfd01b3b
[INFO] running `Command { std: "docker" "start" "-a" "25d32ddb793385582c8063ff75a8e5c2c1003739244f449039b467f9bfd01b3b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/structs_example-42ce2e834abdcfe1)
[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" "25d32ddb793385582c8063ff75a8e5c2c1003739244f449039b467f9bfd01b3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25d32ddb793385582c8063ff75a8e5c2c1003739244f449039b467f9bfd01b3b", kill_on_drop: false }`
[INFO] [stdout] 25d32ddb793385582c8063ff75a8e5c2c1003739244f449039b467f9bfd01b3b