[INFO] cloning repository https://github.com/puzzzzzzle/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/puzzzzzzle/rust_study" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpuzzzzzzle%2Frust_study", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpuzzzzzzle%2Frust_study'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 228f3f8d1e3fb2bfc04cb02b6d9a97c39ccdcf37
[INFO] testing puzzzzzzle/rust_study 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%2Fpuzzzzzzle%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/puzzzzzzle/rust_study 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/puzzzzzzle/rust_study
[INFO] finished tweaking git repo https://github.com/puzzzzzzle/rust_study
[INFO] tweaked toml for git repo https://github.com/puzzzzzzle/rust_study written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/puzzzzzzle/rust_study 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]  Downloading crates ...
[INFO] [stderr]   Downloaded function_name-proc-macro v0.2.0
[INFO] [stderr]   Downloaded function_name v0.2.0
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] a2e2d3470c8581a25e0d4c2c140968570b7ec0f9d07a46dc8d6e33bfc713619b
[INFO] running `Command { std: "docker" "start" "-a" "a2e2d3470c8581a25e0d4c2c140968570b7ec0f9d07a46dc8d6e33bfc713619b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2e2d3470c8581a25e0d4c2c140968570b7ec0f9d07a46dc8d6e33bfc713619b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2e2d3470c8581a25e0d4c2c140968570b7ec0f9d07a46dc8d6e33bfc713619b", kill_on_drop: false }`
[INFO] [stdout] a2e2d3470c8581a25e0d4c2c140968570b7ec0f9d07a46dc8d6e33bfc713619b
[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" "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] 173a5e6e990e9cac25443a9612675f64b9b67eec75ae6d1628160495beeec015
[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" "173a5e6e990e9cac25443a9612675f64b9b67eec75ae6d1628160495beeec015", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling common_concepts v0.1.0 (/opt/rustwide/workdir/language/common_concepts)
[INFO] [stderr]    Compiling common v0.1.0 (/opt/rustwide/workdir/common)
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rust_call_c_manul v0.1.0 (/opt/rustwide/workdir/language/rust_call_c_manul)
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling guess_game v0.1.0 (/opt/rustwide/workdir/module_test/guess_game)
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling stopwatch v0.0.7
[INFO] [stderr]    Compiling function_name-proc-macro v0.2.0
[INFO] [stderr]    Compiling function_name v0.2.0
[INFO] [stderr]    Compiling hello_mod v0.1.0 (/opt/rustwide/workdir/module_test/hello_mod)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.25s
[INFO] running `Command { std: "docker" "inspect" "173a5e6e990e9cac25443a9612675f64b9b67eec75ae6d1628160495beeec015", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "173a5e6e990e9cac25443a9612675f64b9b67eec75ae6d1628160495beeec015", kill_on_drop: false }`
[INFO] [stdout] 173a5e6e990e9cac25443a9612675f64b9b67eec75ae6d1628160495beeec015
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7b80aa5f2982a84873aebe9c0524664aa65fc8dd7d1363310d9f5264728d4a56
[INFO] running `Command { std: "docker" "start" "-a" "7b80aa5f2982a84873aebe9c0524664aa65fc8dd7d1363310d9f5264728d4a56", kill_on_drop: false }`
[INFO] [stderr]    Compiling common_concepts v0.1.0 (/opt/rustwide/workdir/language/common_concepts)
[INFO] [stderr]    Compiling common v0.1.0 (/opt/rustwide/workdir/common)
[INFO] [stderr]    Compiling guess_game v0.1.0 (/opt/rustwide/workdir/module_test/guess_game)
[INFO] [stderr]    Compiling hello_mod v0.1.0 (/opt/rustwide/workdir/module_test/hello_mod)
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]  --> language/common_concepts/examples/multi_file_exaplpe/ex2.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main() {}
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rust_call_c_manul v0.1.0 (/opt/rustwide/workdir/language/rust_call_c_manul)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.99s
[INFO] running `Command { std: "docker" "inspect" "7b80aa5f2982a84873aebe9c0524664aa65fc8dd7d1363310d9f5264728d4a56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b80aa5f2982a84873aebe9c0524664aa65fc8dd7d1363310d9f5264728d4a56", kill_on_drop: false }`
[INFO] [stdout] 7b80aa5f2982a84873aebe9c0524664aa65fc8dd7d1363310d9f5264728d4a56
[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" "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] d47431b6bba909777de1f7a0b70bb24a4f9d69b6928136ccd3e0dc163caf8c73
[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" "d47431b6bba909777de1f7a0b70bb24a4f9d69b6928136ccd3e0dc163caf8c73", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `main`
[INFO] [stderr]  --> language/common_concepts/examples/multi_file_exaplpe/ex2.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn main() {}
[INFO] [stderr]   |    ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `common_concepts` (example "multi_file_exaplpe") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/common-0ef7841a106ca83b)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_sample.rs (/opt/rustwide/target/debug/deps/test_sample-b99448c7fa91b81e)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/common_concepts-1b24fb2b4606c1c5)
[INFO] [stdout] test always_true ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/c01_func_test.rs (/opt/rustwide/target/debug/deps/c01_func_test-79bd74eb2f844a3f)
[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 tests/c02_variable_test.rs (/opt/rustwide/target/debug/deps/c02_variable_test-a3b837f76630c5a7)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test func_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test ... ok
[INFO] [stdout] test var_change ... ok
[INFO] [stderr]      Running tests/c03_test_ownership.rs (/opt/rustwide/target/debug/deps/c03_test_ownership-902274fe35a01163)
[INFO] [stdout] test value_type ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_ownership ... ok
[INFO] [stdout] test test_ref ... ok
[INFO] [stdout] test test_slice ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/c04_enum_test.rs (/opt/rustwide/target/debug/deps/c04_enum_test-755932fdfbb243ab)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running tests/c05_struct_test.rs (/opt/rustwide/target/debug/deps/c05_struct_test-b1fdbe9f2767b642)
[INFO] [stdout] test enum_with_str::enum_test ... ok
[INFO] [stdout] test row_enum::enum_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_struct ... ok
[INFO] [stderr]      Running tests/c06_std_collections_test.rs (/opt/rustwide/target/debug/deps/c06_std_collections_test-86f84181a15c1fbc)
[INFO] [stdout] test test_struct_func ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_collections::test_vec ... ok
[INFO] [stdout] test test_collections::test_map ... ok
[INFO] [stderr]      Running tests/c07_error_test.rs (/opt/rustwide/target/debug/deps/c07_error_test-53ca15efa049be20)
[INFO] [stdout] test test_collections::test_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test expect_test - should panic ... FAILED
[INFO] [stdout] test unwrap_test - should panic ... FAILED
[INFO] [stdout] test result_match_resume_test ... ok
[INFO] [stdout] test result_match_test - should panic ... FAILED
[INFO] [stdout] test test_read_file ... ok
[INFO] [stderr] error: test failed, to rerun pass '-p common_concepts --test c07_error_test'
[INFO] [stdout] test panic_test - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- expect_test stdout ----
[INFO] [stdout] note: test did not panic as expected
[INFO] [stdout] ---- unwrap_test stdout ----
[INFO] [stdout] note: test did not panic as expected
[INFO] [stdout] ---- result_match_test stdout ----
[INFO] [stdout] note: test did not panic as expected
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     expect_test
[INFO] [stdout]     result_match_test
[INFO] [stdout]     unwrap_test
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d47431b6bba909777de1f7a0b70bb24a4f9d69b6928136ccd3e0dc163caf8c73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d47431b6bba909777de1f7a0b70bb24a4f9d69b6928136ccd3e0dc163caf8c73", kill_on_drop: false }`
[INFO] [stdout] d47431b6bba909777de1f7a0b70bb24a4f9d69b6928136ccd3e0dc163caf8c73