[INFO] cloning repository https://github.com/shuqiangzhou/rust_variables
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shuqiangzhou/rust_variables" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshuqiangzhou%2Frust_variables", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshuqiangzhou%2Frust_variables'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3ebf064210bf12243c47f5a8174b0809340bc3f2
[INFO] testing shuqiangzhou/rust_variables 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%2Fshuqiangzhou%2Frust_variables" "/workspace/builds/worker-75/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-75/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shuqiangzhou/rust_variables 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/shuqiangzhou/rust_variables
[INFO] finished tweaking git repo https://github.com/shuqiangzhou/rust_variables
[INFO] tweaked toml for git repo https://github.com/shuqiangzhou/rust_variables written to /workspace/builds/worker-75/source/Cargo.toml
[INFO] crate git repo https://github.com/shuqiangzhou/rust_variables 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-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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] 9ddd105aad8c43493012de7fa292087c724fe4f997f263bd5087e1ec37d9c0c3
[INFO] running `Command { std: "docker" "start" "-a" "9ddd105aad8c43493012de7fa292087c724fe4f997f263bd5087e1ec37d9c0c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ddd105aad8c43493012de7fa292087c724fe4f997f263bd5087e1ec37d9c0c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ddd105aad8c43493012de7fa292087c724fe4f997f263bd5087e1ec37d9c0c3", kill_on_drop: false }`
[INFO] [stdout] 9ddd105aad8c43493012de7fa292087c724fe4f997f263bd5087e1ec37d9c0c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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] e884ffab449202802126eb6dc9a4fedc8cc32c4045df13e4c640729b659e4623
[INFO] running `Command { std: "docker" "start" "-a" "e884ffab449202802126eb6dc9a4fedc8cc32c4045df13e4c640729b659e4623", kill_on_drop: false }`
[INFO] [stderr]    Compiling variables v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "e884ffab449202802126eb6dc9a4fedc8cc32c4045df13e4c640729b659e4623", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e884ffab449202802126eb6dc9a4fedc8cc32c4045df13e4c640729b659e4623", kill_on_drop: false }`
[INFO] [stdout] e884ffab449202802126eb6dc9a4fedc8cc32c4045df13e4c640729b659e4623
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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] 13c5ce35e6ed7ee41b9657e82c3d4f104016e2cea1eb3fd084dfa294bcc3c9f6
[INFO] running `Command { std: "docker" "start" "-a" "13c5ce35e6ed7ee41b9657e82c3d4f104016e2cea1eb3fd084dfa294bcc3c9f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling variables v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] [stderr]   Executable unittests src/bin/boolean.rs (/opt/rustwide/target/debug/deps/boolean-55a79069c20fd425)
[INFO] [stderr]   Executable unittests src/bin/char.rs (/opt/rustwide/target/debug/deps/char-00f7fe7bc4848a30)
[INFO] [stderr]   Executable unittests src/bin/func.rs (/opt/rustwide/target/debug/deps/func-d1269463fa60c7bb)
[INFO] [stderr]   Executable unittests src/bin/number.rs (/opt/rustwide/target/debug/deps/number-9e88e8e1488a2a22)
[INFO] [stderr]   Executable unittests src/bin/tuple.rs (/opt/rustwide/target/debug/deps/tuple-56aeabe87e896478)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/variables-d055e05d11ffcb4c)
[INFO] running `Command { std: "docker" "inspect" "13c5ce35e6ed7ee41b9657e82c3d4f104016e2cea1eb3fd084dfa294bcc3c9f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13c5ce35e6ed7ee41b9657e82c3d4f104016e2cea1eb3fd084dfa294bcc3c9f6", kill_on_drop: false }`
[INFO] [stdout] 13c5ce35e6ed7ee41b9657e82c3d4f104016e2cea1eb3fd084dfa294bcc3c9f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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] e8e59f31d216fffbcf77b93d4b153079dabd17cc3c56769d33641a63137f2cce
[INFO] running `Command { std: "docker" "start" "-a" "e8e59f31d216fffbcf77b93d4b153079dabd17cc3c56769d33641a63137f2cce", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/bin/boolean.rs (/opt/rustwide/target/debug/deps/boolean-55a79069c20fd425)
[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] [stderr]      Running unittests src/bin/char.rs (/opt/rustwide/target/debug/deps/char-00f7fe7bc4848a30)
[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] [stderr]      Running unittests src/bin/func.rs (/opt/rustwide/target/debug/deps/func-d1269463fa60c7bb)
[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] [stderr]      Running unittests src/bin/number.rs (/opt/rustwide/target/debug/deps/number-9e88e8e1488a2a22)
[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] [stderr]      Running unittests src/bin/tuple.rs (/opt/rustwide/target/debug/deps/tuple-56aeabe87e896478)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/variables-d055e05d11ffcb4c)
[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" "e8e59f31d216fffbcf77b93d4b153079dabd17cc3c56769d33641a63137f2cce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8e59f31d216fffbcf77b93d4b153079dabd17cc3c56769d33641a63137f2cce", kill_on_drop: false }`
[INFO] [stdout] e8e59f31d216fffbcf77b93d4b153079dabd17cc3c56769d33641a63137f2cce