[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] checking k0pernicus/webcrawler-rs against try#9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c for pr-79472
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk0pernicus%2Fwebcrawler-rs" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/k0pernicus/webcrawler-rs on toolchain 9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "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-13/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" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-13/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[INFO] the lockfile is outdated, regenerating it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" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "metadata" "--no-deps" "--format-version=1", 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] 3790c897374d4630292f38ff23d76aa08fcf0bc501f1e3db65d6d75863a6d871
[INFO] running `Command { std: "docker" "start" "-a" "3790c897374d4630292f38ff23d76aa08fcf0bc501f1e3db65d6d75863a6d871", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3790c897374d4630292f38ff23d76aa08fcf0bc501f1e3db65d6d75863a6d871", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3790c897374d4630292f38ff23d76aa08fcf0bc501f1e3db65d6d75863a6d871", kill_on_drop: false }`
[INFO] [stdout] 3790c897374d4630292f38ff23d76aa08fcf0bc501f1e3db65d6d75863a6d871
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=forbid" "-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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bcd63af8259390f6878521803c53ab39f028e2d07a6d064fc39297773b677e01
[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" "bcd63af8259390f6878521803c53ab39f028e2d07a6d064fc39297773b677e01", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking argparse v0.2.2
[INFO] [stderr]     Checking RustyXML v0.1.1
[INFO] [stderr]    Compiling openssl-sys v0.7.17
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling curl-sys v0.1.35
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking curl v0.2.19
[INFO] [stderr]     Checking 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] [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 dev [unoptimized + debuginfo] target(s) in 2m 04s
[INFO] running `Command { std: "docker" "inspect" "bcd63af8259390f6878521803c53ab39f028e2d07a6d064fc39297773b677e01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcd63af8259390f6878521803c53ab39f028e2d07a6d064fc39297773b677e01", kill_on_drop: false }`
[INFO] [stdout] bcd63af8259390f6878521803c53ab39f028e2d07a6d064fc39297773b677e01