[INFO] cloning repository https://github.com/flakusha/rust_practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/flakusha/rust_practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflakusha%2Frust_practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflakusha%2Frust_practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9ef370ae794556eb3372d00f46d8d26addb959bb
[INFO] testing flakusha/rust_practice 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%2Fflakusha%2Frust_practice" "/workspace/builds/worker-91/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-91/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/flakusha/rust_practice 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/flakusha/rust_practice
[INFO] finished tweaking git repo https://github.com/flakusha/rust_practice
[INFO] tweaked toml for git repo https://github.com/flakusha/rust_practice written to /workspace/builds/worker-91/source/Cargo.toml
[INFO] crate git repo https://github.com/flakusha/rust_practice 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-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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] 3536e785ca15aeb433f38d26488acaf0a812cfcc8c8e0db76ce3632d5f4de13a
[INFO] running `Command { std: "docker" "start" "-a" "3536e785ca15aeb433f38d26488acaf0a812cfcc8c8e0db76ce3632d5f4de13a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3536e785ca15aeb433f38d26488acaf0a812cfcc8c8e0db76ce3632d5f4de13a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3536e785ca15aeb433f38d26488acaf0a812cfcc8c8e0db76ce3632d5f4de13a", kill_on_drop: false }`
[INFO] [stdout] 3536e785ca15aeb433f38d26488acaf0a812cfcc8c8e0db76ce3632d5f4de13a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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] 26a95353ead8301e3d189eed9dd1ba546f84adfcb1d74af2c32e37ab01a6376c
[INFO] running `Command { std: "docker" "start" "-a" "26a95353ead8301e3d189eed9dd1ba546f84adfcb1d74af2c32e37ab01a6376c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `Command { std: "docker" "inspect" "26a95353ead8301e3d189eed9dd1ba546f84adfcb1d74af2c32e37ab01a6376c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26a95353ead8301e3d189eed9dd1ba546f84adfcb1d74af2c32e37ab01a6376c", kill_on_drop: false }`
[INFO] [stdout] 26a95353ead8301e3d189eed9dd1ba546f84adfcb1d74af2c32e37ab01a6376c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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] 659a692ab373c4e2fee041127e609a2a38eb75510d546dcd04979f815a37fe90
[INFO] running `Command { std: "docker" "start" "-a" "659a692ab373c4e2fee041127e609a2a38eb75510d546dcd04979f815a37fe90", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.05s
[INFO] running `Command { std: "docker" "inspect" "659a692ab373c4e2fee041127e609a2a38eb75510d546dcd04979f815a37fe90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "659a692ab373c4e2fee041127e609a2a38eb75510d546dcd04979f815a37fe90", kill_on_drop: false }`
[INFO] [stdout] 659a692ab373c4e2fee041127e609a2a38eb75510d546dcd04979f815a37fe90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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] befc6b8127daf8b96a57c014f664f7154bf7d7cdc2bb3e8e9c2a1ac3f8079abc
[INFO] running `Command { std: "docker" "start" "-a" "befc6b8127daf8b96a57c014f664f7154bf7d7cdc2bb3e8e9c2a1ac3f8079abc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_practice-afb7bf72d5cf2502)
[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" "befc6b8127daf8b96a57c014f664f7154bf7d7cdc2bb3e8e9c2a1ac3f8079abc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "befc6b8127daf8b96a57c014f664f7154bf7d7cdc2bb3e8e9c2a1ac3f8079abc", kill_on_drop: false }`
[INFO] [stdout] befc6b8127daf8b96a57c014f664f7154bf7d7cdc2bb3e8e9c2a1ac3f8079abc