[INFO] cloning repository https://github.com/UF-ACE/rust-mentor-activity
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/UF-ACE/rust-mentor-activity" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUF-ACE%2Frust-mentor-activity", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUF-ACE%2Frust-mentor-activity'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c48d7598a7e8e2fe7a068e445ee62328a20867ad
[INFO] testing UF-ACE/rust-mentor-activity against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUF-ACE%2Frust-mentor-activity" "/workspace/builds/worker-94/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-94/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/UF-ACE/rust-mentor-activity on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/UF-ACE/rust-mentor-activity
[INFO] finished tweaking git repo https://github.com/UF-ACE/rust-mentor-activity
[INFO] tweaked toml for git repo https://github.com/UF-ACE/rust-mentor-activity written to /workspace/builds/worker-94/source/Cargo.toml
[INFO] crate git repo https://github.com/UF-ACE/rust-mentor-activity already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c173952dc9ba1e24d30ab12f3e9914e0849409963901114a7ffa7ffd1ce0fde7
[INFO] running `Command { std: "docker" "start" "-a" "c173952dc9ba1e24d30ab12f3e9914e0849409963901114a7ffa7ffd1ce0fde7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c173952dc9ba1e24d30ab12f3e9914e0849409963901114a7ffa7ffd1ce0fde7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c173952dc9ba1e24d30ab12f3e9914e0849409963901114a7ffa7ffd1ce0fde7", kill_on_drop: false }`
[INFO] [stdout] c173952dc9ba1e24d30ab12f3e9914e0849409963901114a7ffa7ffd1ce0fde7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bea0aefae085e89b0ca2964c797534d853c54e18d1367d0271115e113c18d7e0
[INFO] running `Command { std: "docker" "start" "-a" "bea0aefae085e89b0ca2964c797534d853c54e18d1367d0271115e113c18d7e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling rust-mentor-activity v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.42s
[INFO] running `Command { std: "docker" "inspect" "bea0aefae085e89b0ca2964c797534d853c54e18d1367d0271115e113c18d7e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bea0aefae085e89b0ca2964c797534d853c54e18d1367d0271115e113c18d7e0", kill_on_drop: false }`
[INFO] [stdout] bea0aefae085e89b0ca2964c797534d853c54e18d1367d0271115e113c18d7e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc44aee0933f744156bb627a7ef5ad28c658568142c475745ec4714fc294d185
[INFO] running `Command { std: "docker" "start" "-a" "cc44aee0933f744156bb627a7ef5ad28c658568142c475745ec4714fc294d185", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-mentor-activity v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.61s
[INFO] running `Command { std: "docker" "inspect" "cc44aee0933f744156bb627a7ef5ad28c658568142c475745ec4714fc294d185", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc44aee0933f744156bb627a7ef5ad28c658568142c475745ec4714fc294d185", kill_on_drop: false }`
[INFO] [stdout] cc44aee0933f744156bb627a7ef5ad28c658568142c475745ec4714fc294d185
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 44f06a4d9ed68ab8138e5abeefa7347b4469c82f78d12a6fc40c1d0d2d09734e
[INFO] running `Command { std: "docker" "start" "-a" "44f06a4d9ed68ab8138e5abeefa7347b4469c82f78d12a6fc40c1d0d2d09734e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_mentor_activity-3c222b4887dbc11a)
[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" "44f06a4d9ed68ab8138e5abeefa7347b4469c82f78d12a6fc40c1d0d2d09734e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44f06a4d9ed68ab8138e5abeefa7347b4469c82f78d12a6fc40c1d0d2d09734e", kill_on_drop: false }`
[INFO] [stdout] 44f06a4d9ed68ab8138e5abeefa7347b4469c82f78d12a6fc40c1d0d2d09734e