[INFO] cloning repository https://github.com/jeftenunes/rust-basic-loops
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jeftenunes/rust-basic-loops" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeftenunes%2Frust-basic-loops", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeftenunes%2Frust-basic-loops'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cd35796f55158a78e669193a0e05a6fc0e9741dd
[INFO] testing jeftenunes/rust-basic-loops against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeftenunes%2Frust-basic-loops" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jeftenunes/rust-basic-loops 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/jeftenunes/rust-basic-loops
[INFO] finished tweaking git repo https://github.com/jeftenunes/rust-basic-loops
[INFO] tweaked toml for git repo https://github.com/jeftenunes/rust-basic-loops written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/jeftenunes/rust-basic-loops 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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 34d5f5df4a1bd96107cd1fdf3bb2da272325b4371bdeba7003350dd41379c3bf
[INFO] running `Command { std: "docker" "start" "-a" "34d5f5df4a1bd96107cd1fdf3bb2da272325b4371bdeba7003350dd41379c3bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34d5f5df4a1bd96107cd1fdf3bb2da272325b4371bdeba7003350dd41379c3bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34d5f5df4a1bd96107cd1fdf3bb2da272325b4371bdeba7003350dd41379c3bf", kill_on_drop: false }`
[INFO] [stdout] 34d5f5df4a1bd96107cd1fdf3bb2da272325b4371bdeba7003350dd41379c3bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] caa374b600a27c598112be7a2184bbfafd4d1588662aaae882467c8a7c551022
[INFO] running `Command { std: "docker" "start" "-a" "caa374b600a27c598112be7a2184bbfafd4d1588662aaae882467c8a7c551022", kill_on_drop: false }`
[INFO] [stderr]    Compiling syntax v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "caa374b600a27c598112be7a2184bbfafd4d1588662aaae882467c8a7c551022", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caa374b600a27c598112be7a2184bbfafd4d1588662aaae882467c8a7c551022", kill_on_drop: false }`
[INFO] [stdout] caa374b600a27c598112be7a2184bbfafd4d1588662aaae882467c8a7c551022
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 6ecde33bd53bc4d33abb8756b54e5c141fd60248db5b186ca779e36d96f55da5
[INFO] running `Command { std: "docker" "start" "-a" "6ecde33bd53bc4d33abb8756b54e5c141fd60248db5b186ca779e36d96f55da5", kill_on_drop: false }`
[INFO] [stderr]    Compiling syntax v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "6ecde33bd53bc4d33abb8756b54e5c141fd60248db5b186ca779e36d96f55da5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ecde33bd53bc4d33abb8756b54e5c141fd60248db5b186ca779e36d96f55da5", kill_on_drop: false }`
[INFO] [stdout] 6ecde33bd53bc4d33abb8756b54e5c141fd60248db5b186ca779e36d96f55da5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 5c7a9d265f3caec6228cfa3c861ba366325c62ca3e515e38058962570b951cf7
[INFO] running `Command { std: "docker" "start" "-a" "5c7a9d265f3caec6228cfa3c861ba366325c62ca3e515e38058962570b951cf7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/syntax-428c4ce886a93b73)
[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" "5c7a9d265f3caec6228cfa3c861ba366325c62ca3e515e38058962570b951cf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c7a9d265f3caec6228cfa3c861ba366325c62ca3e515e38058962570b951cf7", kill_on_drop: false }`
[INFO] [stdout] 5c7a9d265f3caec6228cfa3c861ba366325c62ca3e515e38058962570b951cf7