[INFO] cloning repository https://github.com/sibarras/rust_examples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sibarras/rust_examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsibarras%2Frust_examples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsibarras%2Frust_examples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9c8f1c49c3a14bdb45b517551e3a45858e08fa1e
[INFO] testing sibarras/rust_examples 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%2Fsibarras%2Frust_examples" "/workspace/builds/worker-106/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-106/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sibarras/rust_examples 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/sibarras/rust_examples
[INFO] finished tweaking git repo https://github.com/sibarras/rust_examples
[INFO] tweaked toml for git repo https://github.com/sibarras/rust_examples written to /workspace/builds/worker-106/source/Cargo.toml
[INFO] crate git repo https://github.com/sibarras/rust_examples 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]     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-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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] [stdout] c5c267d15c9e541f14ab14c06611ba6f2d4e594d4c40ff2d1481160ba921a781
[INFO] running `Command { std: "docker" "start" "-a" "c5c267d15c9e541f14ab14c06611ba6f2d4e594d4c40ff2d1481160ba921a781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5c267d15c9e541f14ab14c06611ba6f2d4e594d4c40ff2d1481160ba921a781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5c267d15c9e541f14ab14c06611ba6f2d4e594d4c40ff2d1481160ba921a781", kill_on_drop: false }`
[INFO] [stdout] c5c267d15c9e541f14ab14c06611ba6f2d4e594d4c40ff2d1481160ba921a781
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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] ca9e6f4f2c34fd5f0c745c3a65d31325d32156bb9aa33a6c637636759d530446
[INFO] running `Command { std: "docker" "start" "-a" "ca9e6f4f2c34fd5f0c745c3a65d31325d32156bb9aa33a6c637636759d530446", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_crash_course v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.27s
[INFO] running `Command { std: "docker" "inspect" "ca9e6f4f2c34fd5f0c745c3a65d31325d32156bb9aa33a6c637636759d530446", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca9e6f4f2c34fd5f0c745c3a65d31325d32156bb9aa33a6c637636759d530446", kill_on_drop: false }`
[INFO] [stdout] ca9e6f4f2c34fd5f0c745c3a65d31325d32156bb9aa33a6c637636759d530446
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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] [stdout] b0b269db1fe4bb1879895ac3fd058e8adab6e46807106bf1f11a23b79a03d7ad
[INFO] running `Command { std: "docker" "start" "-a" "b0b269db1fe4bb1879895ac3fd058e8adab6e46807106bf1f11a23b79a03d7ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_crash_course v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "b0b269db1fe4bb1879895ac3fd058e8adab6e46807106bf1f11a23b79a03d7ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0b269db1fe4bb1879895ac3fd058e8adab6e46807106bf1f11a23b79a03d7ad", kill_on_drop: false }`
[INFO] [stdout] b0b269db1fe4bb1879895ac3fd058e8adab6e46807106bf1f11a23b79a03d7ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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] 03fdb80872f4155154296d47fbd14f1a54de27c3165ab49afe09ed2a2f1e9131
[INFO] running `Command { std: "docker" "start" "-a" "03fdb80872f4155154296d47fbd14f1a54de27c3165ab49afe09ed2a2f1e9131", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_crash_course-62f0032bb196fcf9)
[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" "03fdb80872f4155154296d47fbd14f1a54de27c3165ab49afe09ed2a2f1e9131", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03fdb80872f4155154296d47fbd14f1a54de27c3165ab49afe09ed2a2f1e9131", kill_on_drop: false }`
[INFO] [stdout] 03fdb80872f4155154296d47fbd14f1a54de27c3165ab49afe09ed2a2f1e9131