[INFO] cloning repository https://github.com/m3y/blackjack_rs_sample
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/m3y/blackjack_rs_sample" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm3y%2Fblackjack_rs_sample", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm3y%2Fblackjack_rs_sample'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 14bb2bd3c99151d2a5de91a6e70e68e64b02e9a5
[INFO] testing m3y/blackjack_rs_sample 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%2Fm3y%2Fblackjack_rs_sample" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/m3y/blackjack_rs_sample 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/m3y/blackjack_rs_sample
[INFO] finished tweaking git repo https://github.com/m3y/blackjack_rs_sample
[INFO] tweaked toml for git repo https://github.com/m3y/blackjack_rs_sample written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/m3y/blackjack_rs_sample 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] e703eee805db1867224c60af8f1b8663674881975a3b9cef8d67a4cc65585b3f
[INFO] running `Command { std: "docker" "start" "-a" "e703eee805db1867224c60af8f1b8663674881975a3b9cef8d67a4cc65585b3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e703eee805db1867224c60af8f1b8663674881975a3b9cef8d67a4cc65585b3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e703eee805db1867224c60af8f1b8663674881975a3b9cef8d67a4cc65585b3f", kill_on_drop: false }`
[INFO] [stdout] e703eee805db1867224c60af8f1b8663674881975a3b9cef8d67a4cc65585b3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 93dcff624acaddd611ca3e0dfa472adcdb3e1693d1828b37f24dbb875c3eb5fc
[INFO] running `Command { std: "docker" "start" "-a" "93dcff624acaddd611ca3e0dfa472adcdb3e1693d1828b37f24dbb875c3eb5fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.22
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling blackjack_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.19s
[INFO] running `Command { std: "docker" "inspect" "93dcff624acaddd611ca3e0dfa472adcdb3e1693d1828b37f24dbb875c3eb5fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93dcff624acaddd611ca3e0dfa472adcdb3e1693d1828b37f24dbb875c3eb5fc", kill_on_drop: false }`
[INFO] [stdout] 93dcff624acaddd611ca3e0dfa472adcdb3e1693d1828b37f24dbb875c3eb5fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] d40bcb18599895fcf63204ed1d0db3ce39bc78a63c243e38a558410e9eb37349
[INFO] running `Command { std: "docker" "start" "-a" "d40bcb18599895fcf63204ed1d0db3ce39bc78a63c243e38a558410e9eb37349", kill_on_drop: false }`
[INFO] [stderr]    Compiling blackjack_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "d40bcb18599895fcf63204ed1d0db3ce39bc78a63c243e38a558410e9eb37349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d40bcb18599895fcf63204ed1d0db3ce39bc78a63c243e38a558410e9eb37349", kill_on_drop: false }`
[INFO] [stdout] d40bcb18599895fcf63204ed1d0db3ce39bc78a63c243e38a558410e9eb37349
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 0233d9146722834ff22e12e7b3a2704237e5afc0d91566190537548158d7fed2
[INFO] running `Command { std: "docker" "start" "-a" "0233d9146722834ff22e12e7b3a2704237e5afc0d91566190537548158d7fed2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/blackjack_rs-a6e6f1f8caeb3c1e)
[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" "0233d9146722834ff22e12e7b3a2704237e5afc0d91566190537548158d7fed2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0233d9146722834ff22e12e7b3a2704237e5afc0d91566190537548158d7fed2", kill_on_drop: false }`
[INFO] [stdout] 0233d9146722834ff22e12e7b3a2704237e5afc0d91566190537548158d7fed2