[INFO] fetching crate throbber 0.1.4...
[INFO] testing throbber-0.1.4 against 1.55.0 for beta-1.56-1
[INFO] extracting crate throbber 0.1.4 into /workspace/builds/worker-54/source
[INFO] validating manifest of crates.io crate throbber 0.1.4 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 throbber 0.1.4
[INFO] finished tweaking crates.io crate throbber 0.1.4
[INFO] tweaked toml for crates.io crate throbber 0.1.4 written to /workspace/builds/worker-54/source/Cargo.toml
[INFO] crate crates.io crate throbber 0.1.4 already has a lockfile, it will not be regenerated
[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-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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] f74374bd7c09543083b1623330eacb2da270c64726379c06c0d3bd0424240c92
[INFO] running `Command { std: "docker" "start" "-a" "f74374bd7c09543083b1623330eacb2da270c64726379c06c0d3bd0424240c92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f74374bd7c09543083b1623330eacb2da270c64726379c06c0d3bd0424240c92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f74374bd7c09543083b1623330eacb2da270c64726379c06c0d3bd0424240c92", kill_on_drop: false }`
[INFO] [stdout] f74374bd7c09543083b1623330eacb2da270c64726379c06c0d3bd0424240c92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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] 7e50c67164df59d0a25326b205bfb5711005ab99e44aeaa657cfd7c0076f3f30
[INFO] running `Command { std: "docker" "start" "-a" "7e50c67164df59d0a25326b205bfb5711005ab99e44aeaa657cfd7c0076f3f30", kill_on_drop: false }`
[INFO] [stderr]    Compiling throbber v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "7e50c67164df59d0a25326b205bfb5711005ab99e44aeaa657cfd7c0076f3f30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e50c67164df59d0a25326b205bfb5711005ab99e44aeaa657cfd7c0076f3f30", kill_on_drop: false }`
[INFO] [stdout] 7e50c67164df59d0a25326b205bfb5711005ab99e44aeaa657cfd7c0076f3f30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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] d58d59572e57ddd2a3dfda41a977aa307e92a43e60e74543eb4582a75278da5e
[INFO] running `Command { std: "docker" "start" "-a" "d58d59572e57ddd2a3dfda41a977aa307e92a43e60e74543eb4582a75278da5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling throbber v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "d58d59572e57ddd2a3dfda41a977aa307e92a43e60e74543eb4582a75278da5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d58d59572e57ddd2a3dfda41a977aa307e92a43e60e74543eb4582a75278da5e", kill_on_drop: false }`
[INFO] [stdout] d58d59572e57ddd2a3dfda41a977aa307e92a43e60e74543eb4582a75278da5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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] f10f38546ed7bcba63141302e5f82932975719e1ba34b4b01618c3279ce7a7ab
[INFO] running `Command { std: "docker" "start" "-a" "f10f38546ed7bcba63141302e5f82932975719e1ba34b4b01618c3279ce7a7ab", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/throbber-ae9310e8c3c74384)
[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 throbber
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - (line 51) ... ok
[INFO] [stdout] test src/lib.rs - (line 28) ... ok
[INFO] [stdout] test src/lib.rs - (line 21) ... ok
[INFO] [stdout] test src/lib.rs - (line 38) ... ok
[INFO] [stdout] test src/lib.rs - (line 61) ... ok
[INFO] [stdout] test src/lib.rs - Throbber (line 148) ... ok
[INFO] [stdout] test src/lib.rs - (line 85) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.70s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f10f38546ed7bcba63141302e5f82932975719e1ba34b4b01618c3279ce7a7ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f10f38546ed7bcba63141302e5f82932975719e1ba34b4b01618c3279ce7a7ab", kill_on_drop: false }`
[INFO] [stdout] f10f38546ed7bcba63141302e5f82932975719e1ba34b4b01618c3279ce7a7ab