[INFO] cloning repository https://github.com/tatref/markov
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tatref/markov" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftatref%2Fmarkov", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftatref%2Fmarkov'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4edc948d5457d9d00331459475f8154e8331e6fd
[INFO] testing tatref/markov 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%2Ftatref%2Fmarkov" "/workspace/builds/worker-96/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-96/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tatref/markov 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/tatref/markov
[INFO] finished tweaking git repo https://github.com/tatref/markov
[INFO] tweaked toml for git repo https://github.com/tatref/markov written to /workspace/builds/worker-96/source/Cargo.toml
[INFO] crate git repo https://github.com/tatref/markov 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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] e455b4d8a878a4756d9ad202dae7c5808ac2fd19cd64803c112788c5668db493
[INFO] running `Command { std: "docker" "start" "-a" "e455b4d8a878a4756d9ad202dae7c5808ac2fd19cd64803c112788c5668db493", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e455b4d8a878a4756d9ad202dae7c5808ac2fd19cd64803c112788c5668db493", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e455b4d8a878a4756d9ad202dae7c5808ac2fd19cd64803c112788c5668db493", kill_on_drop: false }`
[INFO] [stdout] e455b4d8a878a4756d9ad202dae7c5808ac2fd19cd64803c112788c5668db493
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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] 796eb3752f8b638561d149cabe3ff628afb0386b4e2d36c308c1d9e5011433f7
[INFO] running `Command { std: "docker" "start" "-a" "796eb3752f8b638561d149cabe3ff628afb0386b4e2d36c308c1d9e5011433f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.32
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling unicode-segmentation v1.2.0
[INFO] [stderr]    Compiling rand v0.3.17
[INFO] [stderr]    Compiling markov v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.15s
[INFO] running `Command { std: "docker" "inspect" "796eb3752f8b638561d149cabe3ff628afb0386b4e2d36c308c1d9e5011433f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "796eb3752f8b638561d149cabe3ff628afb0386b4e2d36c308c1d9e5011433f7", kill_on_drop: false }`
[INFO] [stdout] 796eb3752f8b638561d149cabe3ff628afb0386b4e2d36c308c1d9e5011433f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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] 3b728c03185f8c6422397b7ad9801d3fe1750213cf093e220fcc6205a33fe97e
[INFO] running `Command { std: "docker" "start" "-a" "3b728c03185f8c6422397b7ad9801d3fe1750213cf093e220fcc6205a33fe97e", kill_on_drop: false }`
[INFO] [stderr]    Compiling markov v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `Command { std: "docker" "inspect" "3b728c03185f8c6422397b7ad9801d3fe1750213cf093e220fcc6205a33fe97e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b728c03185f8c6422397b7ad9801d3fe1750213cf093e220fcc6205a33fe97e", kill_on_drop: false }`
[INFO] [stdout] 3b728c03185f8c6422397b7ad9801d3fe1750213cf093e220fcc6205a33fe97e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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] 37bc2ffc9e3fb8c1c434d0e6e3900ba8e6f30a6430eff07878fbf671f80f63de
[INFO] running `Command { std: "docker" "start" "-a" "37bc2ffc9e3fb8c1c434d0e6e3900ba8e6f30a6430eff07878fbf671f80f63de", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.49s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/markov-c13c4c109ee0b11e)
[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" "37bc2ffc9e3fb8c1c434d0e6e3900ba8e6f30a6430eff07878fbf671f80f63de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37bc2ffc9e3fb8c1c434d0e6e3900ba8e6f30a6430eff07878fbf671f80f63de", kill_on_drop: false }`
[INFO] [stdout] 37bc2ffc9e3fb8c1c434d0e6e3900ba8e6f30a6430eff07878fbf671f80f63de