[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 1.49.0 for beta-1.50-1
[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 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ityy/rust_study
[INFO] removed workspace from 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" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /workspace/builds/worker-7/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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-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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d73e9da2aca6f9ca1b959642b899799f405c5724a8be814c748f464704e0d42c
[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" "d73e9da2aca6f9ca1b959642b899799f405c5724a8be814c748f464704e0d42c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d73e9da2aca6f9ca1b959642b899799f405c5724a8be814c748f464704e0d42c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d73e9da2aca6f9ca1b959642b899799f405c5724a8be814c748f464704e0d42c", kill_on_drop: false }`
[INFO] [stdout] d73e9da2aca6f9ca1b959642b899799f405c5724a8be814c748f464704e0d42c
[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=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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8a82158ce69a8de3a67c75b5428c6ebf4cc2f1b9495c625973fbcf7cae10071
[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" "b8a82158ce69a8de3a67c75b5428c6ebf4cc2f1b9495c625973fbcf7cae10071", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_study v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "b8a82158ce69a8de3a67c75b5428c6ebf4cc2f1b9495c625973fbcf7cae10071", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8a82158ce69a8de3a67c75b5428c6ebf4cc2f1b9495c625973fbcf7cae10071", kill_on_drop: false }`
[INFO] [stdout] b8a82158ce69a8de3a67c75b5428c6ebf4cc2f1b9495c625973fbcf7cae10071
[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=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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2721841da8d85d7516472d228715a243909557ea0cc94d9b8141afdccdffb8dd
[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" "2721841da8d85d7516472d228715a243909557ea0cc94d9b8141afdccdffb8dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_study v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.11s
[INFO] running `Command { std: "docker" "inspect" "2721841da8d85d7516472d228715a243909557ea0cc94d9b8141afdccdffb8dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2721841da8d85d7516472d228715a243909557ea0cc94d9b8141afdccdffb8dd", kill_on_drop: false }`
[INFO] [stdout] 2721841da8d85d7516472d228715a243909557ea0cc94d9b8141afdccdffb8dd
[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=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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 2d5035074c0024795d4205b9b78d07777f026419b49ad1ca1fe83eb19f19d4c9
[INFO] running `Command { std: "docker" "start" "-a" "2d5035074c0024795d4205b9b78d07777f026419b49ad1ca1fe83eb19f19d4c9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_study-a5b84e93d3fad9a2
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test data_structure::list_study::main ... ok
[INFO] [stdout] test into_from_test::test_into ... ok
[INFO] [stdout] test memory_and_pointer_test::pass_by_value_or_pass_by_ref::pass_by_value ... ok
[INFO] [stdout] test lock_test::mutex_test::test ... ok
[INFO] [stdout] test memory_and_pointer_test::t01_name_identifier_variable::who_create_stack_address ... ok
[INFO] [stdout] test memory_and_pointer_test::t03_box_memory_test::box_int_test ... ok
[INFO] [stdout] test memory_and_pointer_test::t05_dangling_pointer::test_null_pointer ... ok
[INFO] [stdout] test memory_and_pointer_test::t02_raw_pointer::ref_ptf_test ... ok
[INFO] [stdout] test memory_and_pointer_test::t06_memory_leak::test ... ok
[INFO] [stdout] test data_structure::stack_study::main ... ok
[INFO] [stdout] test data_structure::queue_study::main ... ok
[INFO] [stdout] test memory_and_pointer_test::t03_box_memory_test::heap_memory_box_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::t02_raw_pointer::memory_stack_test ... ok
[INFO] [stdout] test memory_and_pointer_test::t01_name_identifier_variable::find_shadowed_resource ... ok
[INFO] [stdout] test memory_and_pointer_test::t07_temporary_memory_address::temp_memory_addr ... ok
[INFO] [stdout] test memory_and_pointer_test::t06_memory_leak::drop_info_test ... ok
[INFO] [stdout] test memory_and_pointer_test::t02_raw_pointer::memory_heap ... ok
[INFO] [stdout] test memory_and_pointer_test::t04_memory_free_and_memory_overflow::drop_function_test ... ok
[INFO] [stdout] test pattern_test::test2 ... ok
[INFO] [stdout] test pattern_test::test1 ... ok
[INFO] [stdout] test memory_and_pointer_test::t05_dangling_pointer::solve_null_pointer ... ok
[INFO] [stdout] test lock_test::mutex_test::test2 ... 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" "2d5035074c0024795d4205b9b78d07777f026419b49ad1ca1fe83eb19f19d4c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d5035074c0024795d4205b9b78d07777f026419b49ad1ca1fe83eb19f19d4c9", kill_on_drop: false }`
[INFO] [stdout] 2d5035074c0024795d4205b9b78d07777f026419b49ad1ca1fe83eb19f19d4c9