[INFO] cloning repository https://github.com/fujianbang/rust-by-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fujianbang/rust-by-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffujianbang%2Frust-by-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffujianbang%2Frust-by-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c5a8bfe371a29984bbee0d21960a17367b3c94fa
[INFO] testing fujianbang/rust-by-example 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%2Ffujianbang%2Frust-by-example" "/workspace/builds/worker-25/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-25/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fujianbang/rust-by-example 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/fujianbang/rust-by-example
[INFO] finished tweaking git repo https://github.com/fujianbang/rust-by-example
[INFO] tweaked toml for git repo https://github.com/fujianbang/rust-by-example written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] crate git repo https://github.com/fujianbang/rust-by-example 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-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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] 7c4bdb6c46792e5e71c9ff0a8439ed7845af9367e50cf7f20fb3891b458f7b55
[INFO] running `Command { std: "docker" "start" "-a" "7c4bdb6c46792e5e71c9ff0a8439ed7845af9367e50cf7f20fb3891b458f7b55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c4bdb6c46792e5e71c9ff0a8439ed7845af9367e50cf7f20fb3891b458f7b55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c4bdb6c46792e5e71c9ff0a8439ed7845af9367e50cf7f20fb3891b458f7b55", kill_on_drop: false }`
[INFO] [stdout] 7c4bdb6c46792e5e71c9ff0a8439ed7845af9367e50cf7f20fb3891b458f7b55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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] 8d346ec90355f5e51e40beac1bbe3873cda1b821e199bf685fb0bbde6869b107
[INFO] running `Command { std: "docker" "start" "-a" "8d346ec90355f5e51e40beac1bbe3873cda1b821e199bf685fb0bbde6869b107", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-by-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.73s
[INFO] running `Command { std: "docker" "inspect" "8d346ec90355f5e51e40beac1bbe3873cda1b821e199bf685fb0bbde6869b107", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d346ec90355f5e51e40beac1bbe3873cda1b821e199bf685fb0bbde6869b107", kill_on_drop: false }`
[INFO] [stdout] 8d346ec90355f5e51e40beac1bbe3873cda1b821e199bf685fb0bbde6869b107
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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] b289ac88c6c160040afa17359ceb5d2acf1a6835f77a848c34902f7b59a239f5
[INFO] running `Command { std: "docker" "start" "-a" "b289ac88c6c160040afa17359ceb5d2acf1a6835f77a848c34902f7b59a239f5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-by-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_by_example-8f66b44072806835)
[INFO] running `Command { std: "docker" "inspect" "b289ac88c6c160040afa17359ceb5d2acf1a6835f77a848c34902f7b59a239f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b289ac88c6c160040afa17359ceb5d2acf1a6835f77a848c34902f7b59a239f5", kill_on_drop: false }`
[INFO] [stdout] b289ac88c6c160040afa17359ceb5d2acf1a6835f77a848c34902f7b59a239f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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] 43a99de5b5f02757c6de81cbe60bb2898283f9cfede2f319ec755112cb4e57f5
[INFO] running `Command { std: "docker" "start" "-a" "43a99de5b5f02757c6de81cbe60bb2898283f9cfede2f319ec755112cb4e57f5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_by_example-8f66b44072806835)
[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" "43a99de5b5f02757c6de81cbe60bb2898283f9cfede2f319ec755112cb4e57f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43a99de5b5f02757c6de81cbe60bb2898283f9cfede2f319ec755112cb4e57f5", kill_on_drop: false }`
[INFO] [stdout] 43a99de5b5f02757c6de81cbe60bb2898283f9cfede2f319ec755112cb4e57f5