[INFO] cloning repository https://github.com/ityy/rust_study
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ityy/rust_study" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fityy%2Frust_study", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fityy%2Frust_study'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e8756fd6eb7d1122c156c85e59aef75e8d4cbf3f
[INFO] testing ityy/rust_study against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fityy%2Frust_study" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ityy/rust_study on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ityy/rust_study
[INFO] finished tweaking git repo https://github.com/ityy/rust_study
[INFO] tweaked toml for git repo https://github.com/ityy/rust_study written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/ityy/rust_study already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 19c5db8e5e58e5910e6b6d385f28f1f04f25e67b77394a21192db1d97d6320d6
[INFO] running `Command { std: "docker" "start" "-a" "19c5db8e5e58e5910e6b6d385f28f1f04f25e67b77394a21192db1d97d6320d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19c5db8e5e58e5910e6b6d385f28f1f04f25e67b77394a21192db1d97d6320d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19c5db8e5e58e5910e6b6d385f28f1f04f25e67b77394a21192db1d97d6320d6", kill_on_drop: false }`
[INFO] [stdout] 19c5db8e5e58e5910e6b6d385f28f1f04f25e67b77394a21192db1d97d6320d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ed1a87c1a898ab43944b59fd80152a9a70ab0b1b355fbd73b4f083629c083f88
[INFO] running `Command { std: "docker" "start" "-a" "ed1a87c1a898ab43944b59fd80152a9a70ab0b1b355fbd73b4f083629c083f88", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_study v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "ed1a87c1a898ab43944b59fd80152a9a70ab0b1b355fbd73b4f083629c083f88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed1a87c1a898ab43944b59fd80152a9a70ab0b1b355fbd73b4f083629c083f88", kill_on_drop: false }`
[INFO] [stdout] ed1a87c1a898ab43944b59fd80152a9a70ab0b1b355fbd73b4f083629c083f88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4934544ecca6eb5d5672808fa4915061b44fa826cb301973f6afec936a9eb8f1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4934544ecca6eb5d5672808fa4915061b44fa826cb301973f6afec936a9eb8f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_study v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `Command { std: "docker" "inspect" "4934544ecca6eb5d5672808fa4915061b44fa826cb301973f6afec936a9eb8f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4934544ecca6eb5d5672808fa4915061b44fa826cb301973f6afec936a9eb8f1", kill_on_drop: false }`
[INFO] [stdout] 4934544ecca6eb5d5672808fa4915061b44fa826cb301973f6afec936a9eb8f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 57f784bb2ea7f79be6deca0221164bab8fb278073625f06c10ec49b5f22894a8
[INFO] running `Command { std: "docker" "start" "-a" "57f784bb2ea7f79be6deca0221164bab8fb278073625f06c10ec49b5f22894a8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_study-d11b085529c7a6eb)
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test data_structure::list_study::main ... ok
[INFO] [stdout] test data_structure::queue_study::main ... ok
[INFO] [stdout] test memory_and_pointer_test::t02_raw_pointer::ref_ptf_test ... ok
[INFO] [stdout] test memory_and_pointer_test::t02_raw_pointer::memory_stack_test ... ok
[INFO] [stdout] test memory_and_pointer_test::t02_raw_pointer::memory_heap ... ok
[INFO] [stdout] test memory_and_pointer_test::t01_name_identifier_variable::find_shadowed_resource ... ok
[INFO] [stdout] test memory_and_pointer_test::t05_dangling_pointer::test_null_pointer ... ok
[INFO] [stdout] test memory_and_pointer_test::pass_by_value_or_pass_by_ref::pass_by_value ... ok
[INFO] [stdout] test memory_and_pointer_test::t04_memory_free_and_memory_overflow::drop_function_test ... ok
[INFO] [stdout] test memory_and_pointer_test::pass_by_value_or_pass_by_ref::pass_by_ref ... ok
[INFO] [stdout] test memory_and_pointer_test::t02_raw_pointer::test_ampersand ... ok
[INFO] [stdout] test memory_and_pointer_test::t06_memory_leak::test ... ok
[INFO] [stdout] test memory_and_pointer_test::t06_memory_leak::drop_info_test ... ok
[INFO] [stdout] test data_structure::stack_study::main ... ok
[INFO] [stdout] test lock_test::mutex_test::test ... ok
[INFO] [stdout] test into_from_test::test_into ... ok
[INFO] [stdout] test memory_and_pointer_test::t05_dangling_pointer::solve_null_pointer ... ok
[INFO] [stdout] test memory_and_pointer_test::t03_box_memory_test::heap_memory_box_test ... ok
[INFO] [stdout] test memory_and_pointer_test::t03_box_memory_test::box_int_test ... ok
[INFO] [stdout] test memory_and_pointer_test::t01_name_identifier_variable::who_create_stack_address ... ok
[INFO] [stdout] test pattern_test::test1 ... ok
[INFO] [stdout] test memory_and_pointer_test::t07_temporary_memory_address::temp_memory_addr ... ok
[INFO] [stdout] test pattern_test::test2 ... ok
[INFO] [stdout] test lock_test::mutex_test::test2 has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "57f784bb2ea7f79be6deca0221164bab8fb278073625f06c10ec49b5f22894a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57f784bb2ea7f79be6deca0221164bab8fb278073625f06c10ec49b5f22894a8", kill_on_drop: false }`
[INFO] [stdout] 57f784bb2ea7f79be6deca0221164bab8fb278073625f06c10ec49b5f22894a8