[INFO] cloning repository https://github.com/usbalbin/web_browser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/usbalbin/web_browser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fusbalbin%2Fweb_browser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fusbalbin%2Fweb_browser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ef5c726833585b763eb41fea17ab992aa955e4a5
[INFO] testing usbalbin/web_browser against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fusbalbin%2Fweb_browser" "/workspace/builds/worker-104/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-104/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/usbalbin/web_browser 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 git repo https://github.com/usbalbin/web_browser
[INFO] finished tweaking git repo https://github.com/usbalbin/web_browser
[INFO] tweaked toml for git repo https://github.com/usbalbin/web_browser written to /workspace/builds/worker-104/source/Cargo.toml
[INFO] crate git repo https://github.com/usbalbin/web_browser 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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] dc5ed0c00e574b8cc80c918625811107bc9e52eb5da9e965c7a83703b80c367d
[INFO] running `Command { std: "docker" "start" "-a" "dc5ed0c00e574b8cc80c918625811107bc9e52eb5da9e965c7a83703b80c367d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc5ed0c00e574b8cc80c918625811107bc9e52eb5da9e965c7a83703b80c367d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc5ed0c00e574b8cc80c918625811107bc9e52eb5da9e965c7a83703b80c367d", kill_on_drop: false }`
[INFO] [stdout] dc5ed0c00e574b8cc80c918625811107bc9e52eb5da9e965c7a83703b80c367d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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] 20bb32c99b656bbf9f5bb050149f06bfbbace338a2ecf5d78862dd4ccc638351
[INFO] running `Command { std: "docker" "start" "-a" "20bb32c99b656bbf9f5bb050149f06bfbbace338a2ecf5d78862dd4ccc638351", kill_on_drop: false }`
[INFO] [stderr]    Compiling web_browser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "20bb32c99b656bbf9f5bb050149f06bfbbace338a2ecf5d78862dd4ccc638351", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20bb32c99b656bbf9f5bb050149f06bfbbace338a2ecf5d78862dd4ccc638351", kill_on_drop: false }`
[INFO] [stdout] 20bb32c99b656bbf9f5bb050149f06bfbbace338a2ecf5d78862dd4ccc638351
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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] 390e5528bcf8171550e658c04a69700394703b1ef1a3340c520d9a2feb86f0fc
[INFO] running `Command { std: "docker" "start" "-a" "390e5528bcf8171550e658c04a69700394703b1ef1a3340c520d9a2feb86f0fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling web_browser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "390e5528bcf8171550e658c04a69700394703b1ef1a3340c520d9a2feb86f0fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "390e5528bcf8171550e658c04a69700394703b1ef1a3340c520d9a2feb86f0fc", kill_on_drop: false }`
[INFO] [stdout] 390e5528bcf8171550e658c04a69700394703b1ef1a3340c520d9a2feb86f0fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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] 4c1ebf307665ceaf0e546811097345ec91c64cece39152f1d4268da5a9864511
[INFO] running `Command { std: "docker" "start" "-a" "4c1ebf307665ceaf0e546811097345ec91c64cece39152f1d4268da5a9864511", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.38s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/web_browser-f60b6ae5c07d5d60)
[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" "4c1ebf307665ceaf0e546811097345ec91c64cece39152f1d4268da5a9864511", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c1ebf307665ceaf0e546811097345ec91c64cece39152f1d4268da5a9864511", kill_on_drop: false }`
[INFO] [stdout] 4c1ebf307665ceaf0e546811097345ec91c64cece39152f1d4268da5a9864511