[INFO] updating cached repository https://github.com/Tristan1075/crawler_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae3867f8657382412be5f6b2b5222ceb77812a8b
[INFO] testing Tristan1075/crawler_rust against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTristan1075%2Fcrawler_rust" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Tristan1075/crawler_rust on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Tristan1075/crawler_rust
[INFO] finished tweaking git repo https://github.com/Tristan1075/crawler_rust
[INFO] tweaked toml for git repo https://github.com/Tristan1075/crawler_rust written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/Tristan1075/crawler_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 273e4ba45ce6daf37a432e6f63d3b48e93324bdafcf75e948f1580dd81bdeaf3
[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" "273e4ba45ce6daf37a432e6f63d3b48e93324bdafcf75e948f1580dd81bdeaf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "273e4ba45ce6daf37a432e6f63d3b48e93324bdafcf75e948f1580dd81bdeaf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "273e4ba45ce6daf37a432e6f63d3b48e93324bdafcf75e948f1580dd81bdeaf3", kill_on_drop: false }`
[INFO] [stdout] 273e4ba45ce6daf37a432e6f63d3b48e93324bdafcf75e948f1580dd81bdeaf3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d316c542e6e4100de318f844899bea20ea5fb4865792e044e9f8b103fcbcee55
[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" "d316c542e6e4100de318f844899bea20ea5fb4865792e044e9f8b103fcbcee55", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling cc v1.0.49
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[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling siphasher v0.3.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.19
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[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling smallvec v1.1.0
[INFO] [stderr]    Compiling curl v0.4.25
[INFO] [stderr]    Compiling serde v0.8.23
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling isahc v0.7.6
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[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling smallvec v0.1.8
[INFO] [stderr]    Compiling lazy_static v0.1.16
[INFO] [stderr]    Compiling itertools v0.4.19
[INFO] [stderr]    Compiling pin-project-lite v0.1.2
[INFO] [stderr]    Compiling futures-io v0.3.1
[INFO] [stderr]    Compiling ego-tree v0.1.1
[INFO] [stderr]    Compiling futures-core v0.3.1
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[INFO] [stderr]    Compiling io v0.0.2
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[INFO] [stderr]    Compiling futures-channel-preview v0.3.0-alpha.19
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[INFO] [stderr]    Compiling sluice v0.4.2
[INFO] [stderr]    Compiling strcursor v0.2.5
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[INFO] [stderr]    Compiling kv-log-macro v1.0.4
[INFO] [stderr]    Compiling num-traits v0.1.43
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[INFO] [stderr]    Compiling crossbeam-channel v0.4.0
[INFO] [stderr]    Compiling rand_os v0.1.3
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[INFO] [stderr]    Compiling num_cpus v1.11.1
[INFO] [stderr]    Compiling socket2 v0.3.11
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling time v0.1.42
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[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling libz-sys v1.0.25
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[INFO] [stderr]    Compiling libnghttp2-sys v0.1.2
[INFO] [stderr]    Compiling curl-sys v0.4.25
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling csv-core v0.1.6
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling url v2.1.0
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling crossbeam-deque v0.7.2
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling string_cache v0.2.29
[INFO] [stderr]    Compiling async-std v1.4.0
[INFO] [stderr]    Compiling html5ever v0.5.4
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling selectors v0.5.9
[INFO] [stderr]    Compiling futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling serde_json v1.0.44
[INFO] [stderr]    Compiling string_cache v0.8.0
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling bstr v0.2.8
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling scraper v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]    Compiling surf v1.0.3
[INFO] [stderr]    Compiling markup5ever v0.10.0
[INFO] [stderr]    Compiling rust_crawler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/main.rs:116:7
[INFO] [stdout]     |
[INFO] [stdout] 116 |       box_crawl(Url::parse(&url).unwrap(), 1, 5).await;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 36s
[INFO] running `Command { std: "docker" "inspect" "d316c542e6e4100de318f844899bea20ea5fb4865792e044e9f8b103fcbcee55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d316c542e6e4100de318f844899bea20ea5fb4865792e044e9f8b103fcbcee55", kill_on_drop: false }`
[INFO] [stdout] d316c542e6e4100de318f844899bea20ea5fb4865792e044e9f8b103fcbcee55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7975a5ab423e6ab3afa23172999084876f6a8b18019cbaadbe2d3847eb6b850
[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" "d7975a5ab423e6ab3afa23172999084876f6a8b18019cbaadbe2d3847eb6b850", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_crawler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/main.rs:116:7
[INFO] [stdout]     |
[INFO] [stdout] 116 |       box_crawl(Url::parse(&url).unwrap(), 1, 5).await;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "d7975a5ab423e6ab3afa23172999084876f6a8b18019cbaadbe2d3847eb6b850", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7975a5ab423e6ab3afa23172999084876f6a8b18019cbaadbe2d3847eb6b850", kill_on_drop: false }`
[INFO] [stdout] d7975a5ab423e6ab3afa23172999084876f6a8b18019cbaadbe2d3847eb6b850
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1b04a000cfb16b154ef766b8002823828dd91874d530363fa4dbf6e7b513f2bd
[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" "1b04a000cfb16b154ef766b8002823828dd91874d530363fa4dbf6e7b513f2bd", kill_on_drop: false }`
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:116:7
[INFO] [stderr]     |
[INFO] [stderr] 116 |       box_crawl(Url::parse(&url).unwrap(), 1, 5).await;
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_crawler-d501d55a7a9c7282
[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" "1b04a000cfb16b154ef766b8002823828dd91874d530363fa4dbf6e7b513f2bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b04a000cfb16b154ef766b8002823828dd91874d530363fa4dbf6e7b513f2bd", kill_on_drop: false }`
[INFO] [stdout] 1b04a000cfb16b154ef766b8002823828dd91874d530363fa4dbf6e7b513f2bd