[INFO] cloning repository https://github.com/Liu-WeiHu/sub_eight_times_homework
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Liu-WeiHu/sub_eight_times_homework" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLiu-WeiHu%2Fsub_eight_times_homework", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLiu-WeiHu%2Fsub_eight_times_homework'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 44f7de58ef14fa297ff64a278f42924542a86754
[INFO] testing Liu-WeiHu/sub_eight_times_homework 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%2FLiu-WeiHu%2Fsub_eight_times_homework" "/workspace/builds/worker-23/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-23/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Liu-WeiHu/sub_eight_times_homework 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/Liu-WeiHu/sub_eight_times_homework
[INFO] finished tweaking git repo https://github.com/Liu-WeiHu/sub_eight_times_homework
[INFO] tweaked toml for git repo https://github.com/Liu-WeiHu/sub_eight_times_homework written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] crate git repo https://github.com/Liu-WeiHu/sub_eight_times_homework 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 8a15e19b44a33c586d9afbbef70478e6e4f8e008e8c17742d1099a5e7685bdf0
[INFO] running `Command { std: "docker" "start" "-a" "8a15e19b44a33c586d9afbbef70478e6e4f8e008e8c17742d1099a5e7685bdf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a15e19b44a33c586d9afbbef70478e6e4f8e008e8c17742d1099a5e7685bdf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a15e19b44a33c586d9afbbef70478e6e4f8e008e8c17742d1099a5e7685bdf0", kill_on_drop: false }`
[INFO] [stdout] 8a15e19b44a33c586d9afbbef70478e6e4f8e008e8c17742d1099a5e7685bdf0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 2c57ef165bd5415e250ae0c0f0455e1440d0a01ae81eaa832bd19826fcff15a8
[INFO] running `Command { std: "docker" "start" "-a" "2c57ef165bd5415e250ae0c0f0455e1440d0a01ae81eaa832bd19826fcff15a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.90
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling the_fourth_class v0.1.0 (/opt/rustwide/workdir/the_fourth_class)
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling mio v0.8.2
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling tokio v1.17.0
[INFO] [stderr]    Compiling the_third_class v0.1.0 (/opt/rustwide/workdir/the_third_class)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.60s
[INFO] running `Command { std: "docker" "inspect" "2c57ef165bd5415e250ae0c0f0455e1440d0a01ae81eaa832bd19826fcff15a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c57ef165bd5415e250ae0c0f0455e1440d0a01ae81eaa832bd19826fcff15a8", kill_on_drop: false }`
[INFO] [stdout] 2c57ef165bd5415e250ae0c0f0455e1440d0a01ae81eaa832bd19826fcff15a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 04a9ea1dc7a40095d9cfc9dda594ef9d42c5922382eebd35a39542ceae815e9e
[INFO] running `Command { std: "docker" "start" "-a" "04a9ea1dc7a40095d9cfc9dda594ef9d42c5922382eebd35a39542ceae815e9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling the_fourth_class v0.1.0 (/opt/rustwide/workdir/the_fourth_class)
[INFO] [stderr]    Compiling the_third_class v0.1.0 (/opt/rustwide/workdir/the_third_class)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/the_fourth_class-d1fdb3ae602a7152)
[INFO] [stderr]   Executable unittests src/第五题/fifth_question.rs (/opt/rustwide/target/debug/deps/fifth_question-568c56964ad30dd1)
[INFO] [stderr]   Executable unittests src/第四题/fourth_question.rs (/opt/rustwide/target/debug/deps/fourth_question-deca26fb2a0a698b)
[INFO] [stderr]   Executable unittests src/第六题/sixth_question.rs (/opt/rustwide/target/debug/deps/sixth_question-a6cbed645af3bbab)
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/the_third_class-30b7a13efe7ec1df)
[INFO] [stderr]   Executable unittests src/client.rs (/opt/rustwide/target/debug/deps/client-0b9aa5d3588a6572)
[INFO] [stderr]   Executable unittests src/server.rs (/opt/rustwide/target/debug/deps/server-ef40c18fc39021df)
[INFO] running `Command { std: "docker" "inspect" "04a9ea1dc7a40095d9cfc9dda594ef9d42c5922382eebd35a39542ceae815e9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04a9ea1dc7a40095d9cfc9dda594ef9d42c5922382eebd35a39542ceae815e9e", kill_on_drop: false }`
[INFO] [stdout] 04a9ea1dc7a40095d9cfc9dda594ef9d42c5922382eebd35a39542ceae815e9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] b2fb675669d1959da56f26d373243d21786a78b9d9ab9fd8c29d05e694217dec
[INFO] running `Command { std: "docker" "start" "-a" "b2fb675669d1959da56f26d373243d21786a78b9d9ab9fd8c29d05e694217dec", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/the_fourth_class-d1fdb3ae602a7152)
[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 unittests src/第五题/fifth_question.rs (/opt/rustwide/target/debug/deps/fifth_question-568c56964ad30dd1)
[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/第四题/fourth_question.rs (/opt/rustwide/target/debug/deps/fourth_question-deca26fb2a0a698b)
[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 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/第六题/sixth_question.rs (/opt/rustwide/target/debug/deps/sixth_question-a6cbed645af3bbab)
[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/lib.rs (/opt/rustwide/target/debug/deps/the_third_class-30b7a13efe7ec1df)
[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 unittests src/client.rs (/opt/rustwide/target/debug/deps/client-0b9aa5d3588a6572)
[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/server.rs (/opt/rustwide/target/debug/deps/server-ef40c18fc39021df)
[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]    Doc-tests the_fourth_class
[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]    Doc-tests the_third_class
[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" "b2fb675669d1959da56f26d373243d21786a78b9d9ab9fd8c29d05e694217dec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2fb675669d1959da56f26d373243d21786a78b9d9ab9fd8c29d05e694217dec", kill_on_drop: false }`
[INFO] [stdout] b2fb675669d1959da56f26d373243d21786a78b9d9ab9fd8c29d05e694217dec