[INFO] fetching crate flv-util 0.5.2...
[INFO] testing flv-util-0.5.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate flv-util 0.5.2 into /workspace/builds/worker-72/source
[INFO] validating manifest of crates.io crate flv-util 0.5.2 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 flv-util 0.5.2
[INFO] finished tweaking crates.io crate flv-util 0.5.2
[INFO] tweaked toml for crates.io crate flv-util 0.5.2 written to /workspace/builds/worker-72/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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] 969015d39fa4266b737d8bd622a1646f59095c1c7494c4a26bfab91715613419
[INFO] running `Command { std: "docker" "start" "-a" "969015d39fa4266b737d8bd622a1646f59095c1c7494c4a26bfab91715613419", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "969015d39fa4266b737d8bd622a1646f59095c1c7494c4a26bfab91715613419", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "969015d39fa4266b737d8bd622a1646f59095c1c7494c4a26bfab91715613419", kill_on_drop: false }`
[INFO] [stdout] 969015d39fa4266b737d8bd622a1646f59095c1c7494c4a26bfab91715613419
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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] 413d0643e22b52595dd9be7449277a4e64c3846fdba0ab079466842cb0b4e541
[INFO] running `Command { std: "docker" "start" "-a" "413d0643e22b52595dd9be7449277a4e64c3846fdba0ab079466842cb0b4e541", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling flv-util v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.73s
[INFO] running `Command { std: "docker" "inspect" "413d0643e22b52595dd9be7449277a4e64c3846fdba0ab079466842cb0b4e541", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "413d0643e22b52595dd9be7449277a4e64c3846fdba0ab079466842cb0b4e541", kill_on_drop: false }`
[INFO] [stdout] 413d0643e22b52595dd9be7449277a4e64c3846fdba0ab079466842cb0b4e541
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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] 6a42829241b63c99065b3d9affc78c0f278c7b8d07e05959e7a1b5d833be4079
[INFO] running `Command { std: "docker" "start" "-a" "6a42829241b63c99065b3d9affc78c0f278c7b8d07e05959e7a1b5d833be4079", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling flv-util v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.59s
[INFO] running `Command { std: "docker" "inspect" "6a42829241b63c99065b3d9affc78c0f278c7b8d07e05959e7a1b5d833be4079", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a42829241b63c99065b3d9affc78c0f278c7b8d07e05959e7a1b5d833be4079", kill_on_drop: false }`
[INFO] [stdout] 6a42829241b63c99065b3d9affc78c0f278c7b8d07e05959e7a1b5d833be4079
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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] 455ae156c41a7c4f16d338b36e292811fb662985a78330b8f975a671fe14121a
[INFO] running `Command { std: "docker" "start" "-a" "455ae156c41a7c4f16d338b36e292811fb662985a78330b8f975a671fe14121a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/flv_util-7a614cff258c8c81)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests flv-util
[INFO] [stdout] running 1 test
[INFO] [stdout] test string_helper::test::test_upper_cammel_case_to_sentence ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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" "455ae156c41a7c4f16d338b36e292811fb662985a78330b8f975a671fe14121a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "455ae156c41a7c4f16d338b36e292811fb662985a78330b8f975a671fe14121a", kill_on_drop: false }`
[INFO] [stdout] 455ae156c41a7c4f16d338b36e292811fb662985a78330b8f975a671fe14121a