[INFO] cloning repository https://github.com/aerosabe/practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aerosabe/practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faerosabe%2Fpractice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faerosabe%2Fpractice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7c7c21410d7382317158ee4d509a511ce84da63b
[INFO] testing aerosabe/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%2Faerosabe%2Fpractice" "/workspace/builds/worker-23/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-23/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aerosabe/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/aerosabe/practice
[INFO] finished tweaking git repo https://github.com/aerosabe/practice
[INFO] tweaked toml for git repo https://github.com/aerosabe/practice written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] crate git repo https://github.com/aerosabe/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-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 24377121f53f2cc77adcad2c77a03338b5f8951ae8f6b2a3c2ae989acc77dee4
[INFO] running `Command { std: "docker" "start" "-a" "24377121f53f2cc77adcad2c77a03338b5f8951ae8f6b2a3c2ae989acc77dee4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24377121f53f2cc77adcad2c77a03338b5f8951ae8f6b2a3c2ae989acc77dee4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24377121f53f2cc77adcad2c77a03338b5f8951ae8f6b2a3c2ae989acc77dee4", kill_on_drop: false }`
[INFO] [stdout] 24377121f53f2cc77adcad2c77a03338b5f8951ae8f6b2a3c2ae989acc77dee4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] fb907678a69eda55aa52ce10432c77be563d2d7ce75f763fb9065a3015bf84c4
[INFO] running `Command { std: "docker" "start" "-a" "fb907678a69eda55aa52ce10432c77be563d2d7ce75f763fb9065a3015bf84c4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.02s
[INFO] running `Command { std: "docker" "inspect" "fb907678a69eda55aa52ce10432c77be563d2d7ce75f763fb9065a3015bf84c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb907678a69eda55aa52ce10432c77be563d2d7ce75f763fb9065a3015bf84c4", kill_on_drop: false }`
[INFO] [stdout] fb907678a69eda55aa52ce10432c77be563d2d7ce75f763fb9065a3015bf84c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] ea6fb8b6427d2567d3ef3b8d920d5ad7f480096f030208dacfdd6f18724e67e2
[INFO] running `Command { std: "docker" "start" "-a" "ea6fb8b6427d2567d3ef3b8d920d5ad7f480096f030208dacfdd6f18724e67e2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "ea6fb8b6427d2567d3ef3b8d920d5ad7f480096f030208dacfdd6f18724e67e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea6fb8b6427d2567d3ef3b8d920d5ad7f480096f030208dacfdd6f18724e67e2", kill_on_drop: false }`
[INFO] [stdout] ea6fb8b6427d2567d3ef3b8d920d5ad7f480096f030208dacfdd6f18724e67e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] acecb0763a1e88ec62c22c0e012b361263dac8bfa2c1f22fe636747d8e9996bb
[INFO] running `Command { std: "docker" "start" "-a" "acecb0763a1e88ec62c22c0e012b361263dac8bfa2c1f22fe636747d8e9996bb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/practice-a7ce34a08eb68210)
[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" "acecb0763a1e88ec62c22c0e012b361263dac8bfa2c1f22fe636747d8e9996bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acecb0763a1e88ec62c22c0e012b361263dac8bfa2c1f22fe636747d8e9996bb", kill_on_drop: false }`
[INFO] [stdout] acecb0763a1e88ec62c22c0e012b361263dac8bfa2c1f22fe636747d8e9996bb