[INFO] updating cached repository https://github.com/golmman/crawlbot
[INFO] running `"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"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d2502be94ac7446fbafd1b10a1401c7ad6cd8c9c
[INFO] checking golmman/crawlbot against master#6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257 for pr-70872
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgolmman%2Fcrawlbot" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/golmman/crawlbot on toolchain 6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/golmman/crawlbot
[INFO] finished tweaking git repo https://github.com/golmman/crawlbot
[INFO] tweaked toml for git repo https://github.com/golmman/crawlbot written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/golmman/crawlbot already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "/opt/rustwide/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 95a8b5e7e66844e1c346176eac9a27cfb6d04f0b41ccc0d02332109451bdca14
[INFO] running `"docker" "start" "-a" "95a8b5e7e66844e1c346176eac9a27cfb6d04f0b41ccc0d02332109451bdca14"`
[INFO] [stderr]    Compiling syn v0.15.31
[INFO] [stderr]    Compiling openssl-sys v0.9.43
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]    Compiling openssl v0.10.20
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]     Checking tokio-tls v0.2.1
[INFO] [stderr]     Checking websocket v0.22.3
[INFO] [stderr]     Checking serde v1.0.90
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking crawlbot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::marker::PhantomData`
[INFO] [stderr]  --> tests/serde_json_test.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::marker::PhantomData;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde::Deserializer`
[INFO] [stderr]  --> tests/serde_json_test.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use serde::Deserializer;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde::de::Visitor`
[INFO] [stderr]  --> tests/serde_json_test.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use serde::de::Visitor;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]   --> tests/learning_test.rs:69:15
[INFO] [stderr]    |
[INFO] [stderr] 69 |     if let Ok(value) = result_err {
[INFO] [stderr]    |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.00s
[INFO] running `"docker" "inspect" "95a8b5e7e66844e1c346176eac9a27cfb6d04f0b41ccc0d02332109451bdca14"`
[INFO] running `"docker" "rm" "-f" "95a8b5e7e66844e1c346176eac9a27cfb6d04f0b41ccc0d02332109451bdca14"`
[INFO] [stdout] 95a8b5e7e66844e1c346176eac9a27cfb6d04f0b41ccc0d02332109451bdca14