[INFO] cloning repository https://github.com/ktat/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/ktat/rust_practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fktat%2Frust_practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fktat%2Frust_practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e24829a52a11f66a1a2d4ff4a0f65b347afd89a6
[INFO] testing ktat/rust_practice against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fktat%2Frust_practice" "/workspace/builds/worker-99/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-99/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ktat/rust_practice on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ktat/rust_practice
[INFO] finished tweaking git repo https://github.com/ktat/rust_practice
[INFO] tweaked toml for git repo https://github.com/ktat/rust_practice written to /workspace/builds/worker-99/source/Cargo.toml
[INFO] crate git repo https://github.com/ktat/rust_practice already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d81a004588648e65a9da4ad4e13251b5ea2560d898fd6c3ea5210311b9efcda
[INFO] running `Command { std: "docker" "start" "-a" "3d81a004588648e65a9da4ad4e13251b5ea2560d898fd6c3ea5210311b9efcda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d81a004588648e65a9da4ad4e13251b5ea2560d898fd6c3ea5210311b9efcda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d81a004588648e65a9da4ad4e13251b5ea2560d898fd6c3ea5210311b9efcda", kill_on_drop: false }`
[INFO] [stdout] 3d81a004588648e65a9da4ad4e13251b5ea2560d898fd6c3ea5210311b9efcda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84e81d96ae9c932bbd230e797226b35ba72e5c8dcc3d404857def0725072c6e4
[INFO] running `Command { std: "docker" "start" "-a" "84e81d96ae9c932bbd230e797226b35ba72e5c8dcc3d404857def0725072c6e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 58.81s
[INFO] running `Command { std: "docker" "inspect" "84e81d96ae9c932bbd230e797226b35ba72e5c8dcc3d404857def0725072c6e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84e81d96ae9c932bbd230e797226b35ba72e5c8dcc3d404857def0725072c6e4", kill_on_drop: false }`
[INFO] [stdout] 84e81d96ae9c932bbd230e797226b35ba72e5c8dcc3d404857def0725072c6e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 030ba23eee31439300f739811e0243388e4aa399251b676a555a82895821cebc
[INFO] running `Command { std: "docker" "start" "-a" "030ba23eee31439300f739811e0243388e4aa399251b676a555a82895821cebc", 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 3.58s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_practice-afb7bf72d5cf2502)
[INFO] running `Command { std: "docker" "inspect" "030ba23eee31439300f739811e0243388e4aa399251b676a555a82895821cebc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "030ba23eee31439300f739811e0243388e4aa399251b676a555a82895821cebc", kill_on_drop: false }`
[INFO] [stdout] 030ba23eee31439300f739811e0243388e4aa399251b676a555a82895821cebc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bbd7952d27188d8b71b9b2fe1a2e04d3218c788f04f54064b3d26da41eac035a
[INFO] running `Command { std: "docker" "start" "-a" "bbd7952d27188d8b71b9b2fe1a2e04d3218c788f04f54064b3d26da41eac035a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.72s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_practice-afb7bf72d5cf2502)
[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" "bbd7952d27188d8b71b9b2fe1a2e04d3218c788f04f54064b3d26da41eac035a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbd7952d27188d8b71b9b2fe1a2e04d3218c788f04f54064b3d26da41eac035a", kill_on_drop: false }`
[INFO] [stdout] bbd7952d27188d8b71b9b2fe1a2e04d3218c788f04f54064b3d26da41eac035a