[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 1.60.0 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 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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" "+1.60.0" "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-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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2081d9961a49eda1ed3c6f0eb767b5cc1a861a8eb364c7c45132099bf36de75
[INFO] running `Command { std: "docker" "start" "-a" "f2081d9961a49eda1ed3c6f0eb767b5cc1a861a8eb364c7c45132099bf36de75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2081d9961a49eda1ed3c6f0eb767b5cc1a861a8eb364c7c45132099bf36de75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2081d9961a49eda1ed3c6f0eb767b5cc1a861a8eb364c7c45132099bf36de75", kill_on_drop: false }`
[INFO] [stdout] f2081d9961a49eda1ed3c6f0eb767b5cc1a861a8eb364c7c45132099bf36de75
[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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6e3d3deee9a54e61cbe2cc8bb2c78ea9178add52156551a280ac3eb6b32e0dd
[INFO] running `Command { std: "docker" "start" "-a" "c6e3d3deee9a54e61cbe2cc8bb2c78ea9178add52156551a280ac3eb6b32e0dd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling syn v1.0.90
[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 12.25s
[INFO] running `Command { std: "docker" "inspect" "c6e3d3deee9a54e61cbe2cc8bb2c78ea9178add52156551a280ac3eb6b32e0dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6e3d3deee9a54e61cbe2cc8bb2c78ea9178add52156551a280ac3eb6b32e0dd", kill_on_drop: false }`
[INFO] [stdout] c6e3d3deee9a54e61cbe2cc8bb2c78ea9178add52156551a280ac3eb6b32e0dd
[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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a872904101e2368a5af5d20d876b54991236f7d0a4f08b74d59e4c0ddcf2dc3
[INFO] running `Command { std: "docker" "start" "-a" "7a872904101e2368a5af5d20d876b54991236f7d0a4f08b74d59e4c0ddcf2dc3", 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 0.62s
[INFO] running `Command { std: "docker" "inspect" "7a872904101e2368a5af5d20d876b54991236f7d0a4f08b74d59e4c0ddcf2dc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a872904101e2368a5af5d20d876b54991236f7d0a4f08b74d59e4c0ddcf2dc3", kill_on_drop: false }`
[INFO] [stdout] 7a872904101e2368a5af5d20d876b54991236f7d0a4f08b74d59e4c0ddcf2dc3
[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" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 868f6837413bccd249c3180555f96f2ab6ab6165a3ccb14a828a7e1045c1d38a
[INFO] running `Command { std: "docker" "start" "-a" "868f6837413bccd249c3180555f96f2ab6ab6165a3ccb14a828a7e1045c1d38a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/the_fourth_class-911c5bb79e865996)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fifth_question-f5c92581bd62094b)
[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] [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 (/opt/rustwide/target/debug/deps/fourth_question-478d7b659a4873a4)
[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 (/opt/rustwide/target/debug/deps/sixth_question-1f8988e6f96d0b67)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/the_third_class-918eaaf583a998c2)
[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] [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 (/opt/rustwide/target/debug/deps/client-4c7ac13bbf836b57)
[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 (/opt/rustwide/target/debug/deps/server-cb9fe413d41db5ac)
[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" "868f6837413bccd249c3180555f96f2ab6ab6165a3ccb14a828a7e1045c1d38a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "868f6837413bccd249c3180555f96f2ab6ab6165a3ccb14a828a7e1045c1d38a", kill_on_drop: false }`
[INFO] [stdout] 868f6837413bccd249c3180555f96f2ab6ab6165a3ccb14a828a7e1045c1d38a