[INFO] cloning repository https://github.com/Asterisk007/rpn-calculator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Asterisk007/rpn-calculator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAsterisk007%2Frpn-calculator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAsterisk007%2Frpn-calculator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2e7f3e356ced0a94b932fbca00423b4f25f1b90d
[INFO] testing Asterisk007/rpn-calculator against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAsterisk007%2Frpn-calculator" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Asterisk007/rpn-calculator 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/Asterisk007/rpn-calculator
[INFO] finished tweaking git repo https://github.com/Asterisk007/rpn-calculator
[INFO] tweaked toml for git repo https://github.com/Asterisk007/rpn-calculator written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/Asterisk007/rpn-calculator 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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 049f707c6fa77a696d9f70a4ad6b468b22198470676d821295ca01149bf9ecd2
[INFO] running `Command { std: "docker" "start" "-a" "049f707c6fa77a696d9f70a4ad6b468b22198470676d821295ca01149bf9ecd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "049f707c6fa77a696d9f70a4ad6b468b22198470676d821295ca01149bf9ecd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "049f707c6fa77a696d9f70a4ad6b468b22198470676d821295ca01149bf9ecd2", kill_on_drop: false }`
[INFO] [stdout] 049f707c6fa77a696d9f70a4ad6b468b22198470676d821295ca01149bf9ecd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] b137e70154163b6e1eccb6477193adebb5ef67b32d4afc6bcb7acf2f9c856486
[INFO] running `Command { std: "docker" "start" "-a" "b137e70154163b6e1eccb6477193adebb5ef67b32d4afc6bcb7acf2f9c856486", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rpn-calc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.46s
[INFO] running `Command { std: "docker" "inspect" "b137e70154163b6e1eccb6477193adebb5ef67b32d4afc6bcb7acf2f9c856486", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b137e70154163b6e1eccb6477193adebb5ef67b32d4afc6bcb7acf2f9c856486", kill_on_drop: false }`
[INFO] [stdout] b137e70154163b6e1eccb6477193adebb5ef67b32d4afc6bcb7acf2f9c856486
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 989d401167dd1a8cf9b3146612f9048628eca3255818c5ffc7dba3ee14a4b5b2
[INFO] running `Command { std: "docker" "start" "-a" "989d401167dd1a8cf9b3146612f9048628eca3255818c5ffc7dba3ee14a4b5b2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rpn-calc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `Command { std: "docker" "inspect" "989d401167dd1a8cf9b3146612f9048628eca3255818c5ffc7dba3ee14a4b5b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "989d401167dd1a8cf9b3146612f9048628eca3255818c5ffc7dba3ee14a4b5b2", kill_on_drop: false }`
[INFO] [stdout] 989d401167dd1a8cf9b3146612f9048628eca3255818c5ffc7dba3ee14a4b5b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 83b9762af2079d9a75af42baab002934fdd149a2880fd7d2ef8f83c9b816842a
[INFO] running `Command { std: "docker" "start" "-a" "83b9762af2079d9a75af42baab002934fdd149a2880fd7d2ef8f83c9b816842a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rpn_calc-931a618a550cb29e)
[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" "83b9762af2079d9a75af42baab002934fdd149a2880fd7d2ef8f83c9b816842a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83b9762af2079d9a75af42baab002934fdd149a2880fd7d2ef8f83c9b816842a", kill_on_drop: false }`
[INFO] [stdout] 83b9762af2079d9a75af42baab002934fdd149a2880fd7d2ef8f83c9b816842a