[INFO] cloning repository https://github.com/tensor-programming/crawler_example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tensor-programming/crawler_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftensor-programming%2Fcrawler_example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftensor-programming%2Fcrawler_example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 77dc931198114c2bb7810569a66b6946999c56df
[INFO] checking tensor-programming/crawler_example against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftensor-programming%2Fcrawler_example" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tensor-programming/crawler_example on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tensor-programming/crawler_example
[INFO] finished tweaking git repo https://github.com/tensor-programming/crawler_example
[INFO] tweaked toml for git repo https://github.com/tensor-programming/crawler_example written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/tensor-programming/crawler_example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e52ef94b3b733e4b8595d6e2d7cb23731a8b5a0b6c10957d2aeb6c8e5c19d34f
[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" "e52ef94b3b733e4b8595d6e2d7cb23731a8b5a0b6c10957d2aeb6c8e5c19d34f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e52ef94b3b733e4b8595d6e2d7cb23731a8b5a0b6c10957d2aeb6c8e5c19d34f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e52ef94b3b733e4b8595d6e2d7cb23731a8b5a0b6c10957d2aeb6c8e5c19d34f", kill_on_drop: false }`
[INFO] [stdout] e52ef94b3b733e4b8595d6e2d7cb23731a8b5a0b6c10957d2aeb6c8e5c19d34f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6d1bb58c8e626fd6c0d04f282cb2fa20f2ea926b819fd40e062f7565068dd19
[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" "f6d1bb58c8e626fd6c0d04f282cb2fa20f2ea926b819fd40e062f7565068dd19", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
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[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-xid v0.2.0
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[INFO] [stderr]    Compiling byteorder v1.3.2
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[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]     Checking smallvec v1.0.0
[INFO] [stderr]    Compiling curl v0.4.25
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking openssl-probe v0.1.2
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[INFO] [stderr]    Compiling rand_core v0.5.1
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[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
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[INFO] [stderr]    Compiling rand v0.7.2
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[INFO] [stderr]     Checking serde_urlencoded v0.6.1
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[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]    Compiling html5ever v0.25.1
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[INFO] [stderr]    Compiling markup5ever v0.10.0
[INFO] [stderr]     Checking crawler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `line_number`
[INFO] [stdout]   --> src/main.rs:24:47
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn process_token(&mut self, token: Token, line_number: u64) -> TokenSinkResult<Self::Handle> {
[INFO] [stdout]    |                                               ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_line_number`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line_number`
[INFO] [stdout]   --> src/main.rs:24:47
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn process_token(&mut self, token: Token, line_number: u64) -> TokenSinkResult<Self::Handle> {
[INFO] [stdout]    |                                               ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_line_number`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 49s
[INFO] running `Command { std: "docker" "inspect" "f6d1bb58c8e626fd6c0d04f282cb2fa20f2ea926b819fd40e062f7565068dd19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6d1bb58c8e626fd6c0d04f282cb2fa20f2ea926b819fd40e062f7565068dd19", kill_on_drop: false }`
[INFO] [stdout] f6d1bb58c8e626fd6c0d04f282cb2fa20f2ea926b819fd40e062f7565068dd19