[INFO] fetching crate belajar-rust 0.1.0...
[INFO] testing belajar-rust-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate belajar-rust 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate belajar-rust 0.1.0 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 crates.io crate belajar-rust 0.1.0
[INFO] finished tweaking crates.io crate belajar-rust 0.1.0
[INFO] tweaked toml for crates.io crate belajar-rust 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] cdd790c9b694792e8f4aee69018a6f35697da1f35d6fda22a42da54fcdee522c
[INFO] running `Command { std: "docker" "start" "-a" "cdd790c9b694792e8f4aee69018a6f35697da1f35d6fda22a42da54fcdee522c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdd790c9b694792e8f4aee69018a6f35697da1f35d6fda22a42da54fcdee522c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdd790c9b694792e8f4aee69018a6f35697da1f35d6fda22a42da54fcdee522c", kill_on_drop: false }`
[INFO] [stdout] cdd790c9b694792e8f4aee69018a6f35697da1f35d6fda22a42da54fcdee522c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 0c006714bee7dedfaa9e599c5213598ddc99072cc4685785d2bb62290c0b5c6d
[INFO] running `Command { std: "docker" "start" "-a" "0c006714bee7dedfaa9e599c5213598ddc99072cc4685785d2bb62290c0b5c6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling belajar-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.17s
[INFO] running `Command { std: "docker" "inspect" "0c006714bee7dedfaa9e599c5213598ddc99072cc4685785d2bb62290c0b5c6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c006714bee7dedfaa9e599c5213598ddc99072cc4685785d2bb62290c0b5c6d", kill_on_drop: false }`
[INFO] [stdout] 0c006714bee7dedfaa9e599c5213598ddc99072cc4685785d2bb62290c0b5c6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 050e33ae77477aacfd7eb7b61abed4e41c68517c36f01542d2bf7876bb42200b
[INFO] running `Command { std: "docker" "start" "-a" "050e33ae77477aacfd7eb7b61abed4e41c68517c36f01542d2bf7876bb42200b", kill_on_drop: false }`
[INFO] [stderr]    Compiling belajar-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "050e33ae77477aacfd7eb7b61abed4e41c68517c36f01542d2bf7876bb42200b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "050e33ae77477aacfd7eb7b61abed4e41c68517c36f01542d2bf7876bb42200b", kill_on_drop: false }`
[INFO] [stdout] 050e33ae77477aacfd7eb7b61abed4e41c68517c36f01542d2bf7876bb42200b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 916ef48659942caab2f5dd143d1c3e17f7c09b1e8c55906b1c2b5cecaa4f178e
[INFO] running `Command { std: "docker" "start" "-a" "916ef48659942caab2f5dd143d1c3e17f7c09b1e8c55906b1c2b5cecaa4f178e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/belajar_rust-410f476a32d685a8)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests belajar-rust
[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 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" "916ef48659942caab2f5dd143d1c3e17f7c09b1e8c55906b1c2b5cecaa4f178e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "916ef48659942caab2f5dd143d1c3e17f7c09b1e8c55906b1c2b5cecaa4f178e", kill_on_drop: false }`
[INFO] [stdout] 916ef48659942caab2f5dd143d1c3e17f7c09b1e8c55906b1c2b5cecaa4f178e