[INFO] cloning repository https://github.com/christiansakai/link_crawler_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/christiansakai/link_crawler_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristiansakai%2Flink_crawler_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristiansakai%2Flink_crawler_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3d9f3116d501195a4a407ff76652eb4576a0ce59
[INFO] checking christiansakai/link_crawler_rust against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristiansakai%2Flink_crawler_rust" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/christiansakai/link_crawler_rust on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/christiansakai/link_crawler_rust
[INFO] finished tweaking git repo https://github.com/christiansakai/link_crawler_rust
[INFO] tweaked toml for git repo https://github.com/christiansakai/link_crawler_rust written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/christiansakai/link_crawler_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "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] b85950f1222d70a39e09c85dfaee5b6b3cf67eb93fa6c1f9225d8c6b6a32963c
[INFO] running `Command { std: "docker" "start" "-a" "b85950f1222d70a39e09c85dfaee5b6b3cf67eb93fa6c1f9225d8c6b6a32963c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b85950f1222d70a39e09c85dfaee5b6b3cf67eb93fa6c1f9225d8c6b6a32963c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b85950f1222d70a39e09c85dfaee5b6b3cf67eb93fa6c1f9225d8c6b6a32963c", kill_on_drop: false }`
[INFO] [stdout] b85950f1222d70a39e09c85dfaee5b6b3cf67eb93fa6c1f9225d8c6b6a32963c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--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] 21fed42e56e7905564f70fb4276ff66839cc5a7354ee154fcda2d3c7b1fd3401
[INFO] running `Command { std: "docker" "start" "-a" "21fed42e56e7905564f70fb4276ff66839cc5a7354ee154fcda2d3c7b1fd3401", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.2.1
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling serde v1.0.75
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking utf-8 v0.7.4
[INFO] [stderr]    Compiling phf_shared v0.7.23
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking log v0.4.4
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking new_debug_unreachable v1.0.1
[INFO] [stderr]     Checking debug_unreachable v0.1.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]     Checking phf v0.7.23
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking tendril v0.4.0
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking hyper v0.10.13
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking uuid v0.1.18
[INFO] [stderr]     Checking url v0.2.38
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]    Compiling string_cache_codegen v0.4.1
[INFO] [stderr]    Compiling phf_codegen v0.7.23
[INFO] [stderr]    Compiling string_cache v0.6.2
[INFO] [stderr]    Compiling markup5ever v0.6.2
[INFO] [stderr]    Compiling html5ever v0.21.0
[INFO] [stderr]     Checking link_crawler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.28s
[INFO] running `Command { std: "docker" "inspect" "21fed42e56e7905564f70fb4276ff66839cc5a7354ee154fcda2d3c7b1fd3401", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21fed42e56e7905564f70fb4276ff66839cc5a7354ee154fcda2d3c7b1fd3401", kill_on_drop: false }`
[INFO] [stdout] 21fed42e56e7905564f70fb4276ff66839cc5a7354ee154fcda2d3c7b1fd3401