[INFO] cloning repository https://github.com/k0pernicus/webcrawler-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/k0pernicus/webcrawler-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk0pernicus%2Fwebcrawler-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk0pernicus%2Fwebcrawler-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 62f12f5c3e28b317d3049d07aab721531423df8c
[INFO] testing k0pernicus/webcrawler-rs against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk0pernicus%2Fwebcrawler-rs" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/k0pernicus/webcrawler-rs on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/k0pernicus/webcrawler-rs
[INFO] finished tweaking git repo https://github.com/k0pernicus/webcrawler-rs
[INFO] tweaked toml for git repo https://github.com/k0pernicus/webcrawler-rs written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/k0pernicus/webcrawler-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-7/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded RustyXML v0.1.1
[INFO] [stderr]   Downloaded curl v0.2.19
[INFO] [stderr]   Downloaded curl-sys v0.1.35
[INFO] [stderr]   Downloaded argparse v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 993bfd7591f9eebb799332be8a90eee7b949b79f12cab4f2a9b597ec2a725212
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "993bfd7591f9eebb799332be8a90eee7b949b79f12cab4f2a9b597ec2a725212", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "993bfd7591f9eebb799332be8a90eee7b949b79f12cab4f2a9b597ec2a725212", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "993bfd7591f9eebb799332be8a90eee7b949b79f12cab4f2a9b597ec2a725212", kill_on_drop: false }`
[INFO] [stdout] 993bfd7591f9eebb799332be8a90eee7b949b79f12cab4f2a9b597ec2a725212
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa6bd86868fffc53e050d0ad0818a96c33a13c7824fc2b73f4a8e48582b29f4a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "aa6bd86868fffc53e050d0ad0818a96c33a13c7824fc2b73f4a8e48582b29f4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling argparse v0.2.2
[INFO] [stderr]    Compiling RustyXML v0.1.1
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling openssl-sys v0.7.17
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling curl-sys v0.1.35
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling curl v0.2.19
[INFO] [stderr]    Compiling webcrawler-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `url`
[INFO] [stdout]  --> src/href_parser.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     url : &'a str,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 47s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "aa6bd86868fffc53e050d0ad0818a96c33a13c7824fc2b73f4a8e48582b29f4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa6bd86868fffc53e050d0ad0818a96c33a13c7824fc2b73f4a8e48582b29f4a", kill_on_drop: false }`
[INFO] [stdout] aa6bd86868fffc53e050d0ad0818a96c33a13c7824fc2b73f4a8e48582b29f4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] eace6a8440ebdf62c790a753c7a7bb18600be8b2c7ec96c50d441336f037b345
[INFO] running `Command { std: "docker" "start" "-a" "eace6a8440ebdf62c790a753c7a7bb18600be8b2c7ec96c50d441336f037b345", kill_on_drop: false }`
[INFO] [stderr]    Compiling webcrawler-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `url`
[INFO] [stdout]  --> src/href_parser.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     url : &'a str,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "eace6a8440ebdf62c790a753c7a7bb18600be8b2c7ec96c50d441336f037b345", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eace6a8440ebdf62c790a753c7a7bb18600be8b2c7ec96c50d441336f037b345", kill_on_drop: false }`
[INFO] [stdout] eace6a8440ebdf62c790a753c7a7bb18600be8b2c7ec96c50d441336f037b345
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c941dd48d1f112080b331618ed7e09c7ebb3ffaa4ad93504ef408fd3cf70d2a2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c941dd48d1f112080b331618ed7e09c7ebb3ffaa4ad93504ef408fd3cf70d2a2", 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] [stderr] warning: field is never read: `url`
[INFO] [stderr]  --> src/href_parser.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     url : &'a str,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.71s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/webcrawler_rs-0382721dbea5da48
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c941dd48d1f112080b331618ed7e09c7ebb3ffaa4ad93504ef408fd3cf70d2a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c941dd48d1f112080b331618ed7e09c7ebb3ffaa4ad93504ef408fd3cf70d2a2", kill_on_drop: false }`
[INFO] [stdout] c941dd48d1f112080b331618ed7e09c7ebb3ffaa4ad93504ef408fd3cf70d2a2