[INFO] fetching crate obozrenie-core 0.1.0...
[INFO] testing obozrenie-core-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate obozrenie-core 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate obozrenie-core 0.1.0 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 crates.io crate obozrenie-core 0.1.0
[INFO] finished tweaking crates.io crate obozrenie-core 0.1.0
[INFO] tweaked toml for crates.io crate obozrenie-core 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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" "+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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] dffaac1c343756ff39b5ce4d1a55ea1ad1f16942b15b03763f890a4f05f4fef4
[INFO] running `Command { std: "docker" "start" "-a" "dffaac1c343756ff39b5ce4d1a55ea1ad1f16942b15b03763f890a4f05f4fef4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dffaac1c343756ff39b5ce4d1a55ea1ad1f16942b15b03763f890a4f05f4fef4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dffaac1c343756ff39b5ce4d1a55ea1ad1f16942b15b03763f890a4f05f4fef4", kill_on_drop: false }`
[INFO] [stdout] dffaac1c343756ff39b5ce4d1a55ea1ad1f16942b15b03763f890a4f05f4fef4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] c0bd9d760c70f140d8e2240ffe389582aea4817c3c0178de3720b7cceeb4c1a8
[INFO] running `Command { std: "docker" "start" "-a" "c0bd9d760c70f140d8e2240ffe389582aea4817c3c0178de3720b7cceeb4c1a8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling obozrenie-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "c0bd9d760c70f140d8e2240ffe389582aea4817c3c0178de3720b7cceeb4c1a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0bd9d760c70f140d8e2240ffe389582aea4817c3c0178de3720b7cceeb4c1a8", kill_on_drop: false }`
[INFO] [stdout] c0bd9d760c70f140d8e2240ffe389582aea4817c3c0178de3720b7cceeb4c1a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] f4b3c8c27447d9e628b82a67e9486f3a2c8bbf6e3f1819480b2849607066e146
[INFO] running `Command { std: "docker" "start" "-a" "f4b3c8c27447d9e628b82a67e9486f3a2c8bbf6e3f1819480b2849607066e146", kill_on_drop: false }`
[INFO] [stderr]    Compiling obozrenie-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "f4b3c8c27447d9e628b82a67e9486f3a2c8bbf6e3f1819480b2849607066e146", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4b3c8c27447d9e628b82a67e9486f3a2c8bbf6e3f1819480b2849607066e146", kill_on_drop: false }`
[INFO] [stdout] f4b3c8c27447d9e628b82a67e9486f3a2c8bbf6e3f1819480b2849607066e146
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 986cd495d3c64211a51c877f3ada5ccb7fa811350537c8ca4b0d67d49ee78b0a
[INFO] running `Command { std: "docker" "start" "-a" "986cd495d3c64211a51c877f3ada5ccb7fa811350537c8ca4b0d67d49ee78b0a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/obozrenie_core-7eff015092c71f31)
[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 obozrenie-core
[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" "986cd495d3c64211a51c877f3ada5ccb7fa811350537c8ca4b0d67d49ee78b0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "986cd495d3c64211a51c877f3ada5ccb7fa811350537c8ca4b0d67d49ee78b0a", kill_on_drop: false }`
[INFO] [stdout] 986cd495d3c64211a51c877f3ada5ccb7fa811350537c8ca4b0d67d49ee78b0a