[INFO] fetching crate flv-util 0.5.2...
[INFO] testing flv-util-0.5.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate flv-util 0.5.2 into /workspace/builds/worker-84/source
[INFO] validating manifest of crates.io crate flv-util 0.5.2 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 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-84/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] 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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] bac40ce0f72439406cb00115a803582ba597ccfcf441427214218c1e62114e9f
[INFO] running `Command { std: "docker" "start" "-a" "bac40ce0f72439406cb00115a803582ba597ccfcf441427214218c1e62114e9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bac40ce0f72439406cb00115a803582ba597ccfcf441427214218c1e62114e9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bac40ce0f72439406cb00115a803582ba597ccfcf441427214218c1e62114e9f", kill_on_drop: false }`
[INFO] [stdout] bac40ce0f72439406cb00115a803582ba597ccfcf441427214218c1e62114e9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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] 4feefdc5bf8d86ff6e30af79a048e069190fb7455486d1b379587efb29a20e84
[INFO] running `Command { std: "docker" "start" "-a" "4feefdc5bf8d86ff6e30af79a048e069190fb7455486d1b379587efb29a20e84", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling tracing-core v0.1.19
[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 15.20s
[INFO] running `Command { std: "docker" "inspect" "4feefdc5bf8d86ff6e30af79a048e069190fb7455486d1b379587efb29a20e84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4feefdc5bf8d86ff6e30af79a048e069190fb7455486d1b379587efb29a20e84", kill_on_drop: false }`
[INFO] [stdout] 4feefdc5bf8d86ff6e30af79a048e069190fb7455486d1b379587efb29a20e84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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] 2a663c23dfc32ba0c7aaba0216547656206d0b1c9454f1b3e1a61da30c88f421
[INFO] running `Command { std: "docker" "start" "-a" "2a663c23dfc32ba0c7aaba0216547656206d0b1c9454f1b3e1a61da30c88f421", 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 1.89s
[INFO] running `Command { std: "docker" "inspect" "2a663c23dfc32ba0c7aaba0216547656206d0b1c9454f1b3e1a61da30c88f421", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a663c23dfc32ba0c7aaba0216547656206d0b1c9454f1b3e1a61da30c88f421", kill_on_drop: false }`
[INFO] [stdout] 2a663c23dfc32ba0c7aaba0216547656206d0b1c9454f1b3e1a61da30c88f421
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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] e609ed5258e0cfe77c6e48b4355d3015e64d2b5cf7fb316f730de9397e89d1d4
[INFO] running `Command { std: "docker" "start" "-a" "e609ed5258e0cfe77c6e48b4355d3015e64d2b5cf7fb316f730de9397e89d1d4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/flv_util-d1ef9ac1931dbab9)
[INFO] [stdout] 
[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] [stderr]    Doc-tests flv-util
[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" "e609ed5258e0cfe77c6e48b4355d3015e64d2b5cf7fb316f730de9397e89d1d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e609ed5258e0cfe77c6e48b4355d3015e64d2b5cf7fb316f730de9397e89d1d4", kill_on_drop: false }`
[INFO] [stdout] e609ed5258e0cfe77c6e48b4355d3015e64d2b5cf7fb316f730de9397e89d1d4