[INFO] cloning repository https://github.com/WendellLiu/data-process-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/WendellLiu/data-process-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWendellLiu%2Fdata-process-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWendellLiu%2Fdata-process-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fbba62c96c23e61602683d5fc8038c2f56a0410e
[INFO] testing WendellLiu/data-process-demo against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWendellLiu%2Fdata-process-demo" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/WendellLiu/data-process-demo on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/WendellLiu/data-process-demo
[INFO] finished tweaking git repo https://github.com/WendellLiu/data-process-demo
[INFO] tweaked toml for git repo https://github.com/WendellLiu/data-process-demo written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/WendellLiu/data-process-demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 0353d1a0cbbd13d700b15547e979bd596ec034e82efb9952d8c23ca8002c1919
[INFO] running `Command { std: "docker" "start" "-a" "0353d1a0cbbd13d700b15547e979bd596ec034e82efb9952d8c23ca8002c1919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0353d1a0cbbd13d700b15547e979bd596ec034e82efb9952d8c23ca8002c1919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0353d1a0cbbd13d700b15547e979bd596ec034e82efb9952d8c23ca8002c1919", kill_on_drop: false }`
[INFO] [stdout] 0353d1a0cbbd13d700b15547e979bd596ec034e82efb9952d8c23ca8002c1919
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8cbc20e6c28153782a4f1a3c23b824a0278f53432bf8ba8e04411b428415ea0c
[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" "8cbc20e6c28153782a4f1a3c23b824a0278f53432bf8ba8e04411b428415ea0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.46
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling linc-interview-testing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `serialize`
[INFO] [stdout]  --> src/entity/datetime_formatter.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn serialize<S>(date: &DateTime<Utc>, serializer: S) -> Result<S::Ok, S::Error>
[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 36.62s
[INFO] running `Command { std: "docker" "inspect" "8cbc20e6c28153782a4f1a3c23b824a0278f53432bf8ba8e04411b428415ea0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cbc20e6c28153782a4f1a3c23b824a0278f53432bf8ba8e04411b428415ea0c", kill_on_drop: false }`
[INFO] [stdout] 8cbc20e6c28153782a4f1a3c23b824a0278f53432bf8ba8e04411b428415ea0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a076db74bb26bd07e4ce861d5fd66814fe24497e31082ca2abe0b4144509e1be
[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" "a076db74bb26bd07e4ce861d5fd66814fe24497e31082ca2abe0b4144509e1be", kill_on_drop: false }`
[INFO] [stderr]    Compiling linc-interview-testing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `serialize`
[INFO] [stdout]  --> src/entity/datetime_formatter.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn serialize<S>(date: &DateTime<Utc>, serializer: S) -> Result<S::Ok, S::Error>
[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 test [unoptimized + debuginfo] target(s) in 1.76s
[INFO] running `Command { std: "docker" "inspect" "a076db74bb26bd07e4ce861d5fd66814fe24497e31082ca2abe0b4144509e1be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a076db74bb26bd07e4ce861d5fd66814fe24497e31082ca2abe0b4144509e1be", kill_on_drop: false }`
[INFO] [stdout] a076db74bb26bd07e4ce861d5fd66814fe24497e31082ca2abe0b4144509e1be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d16f8202d5de6cf0fcb4a86d4ac141e25c87f961b53ab25314d77d809e8b54d4
[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" "d16f8202d5de6cf0fcb4a86d4ac141e25c87f961b53ab25314d77d809e8b54d4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: function is never used: `serialize`
[INFO] [stderr]  --> src/entity/datetime_formatter.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pub fn serialize<S>(date: &DateTime<Utc>, serializer: S) -> Result<S::Ok, S::Error>
[INFO] [stderr]   |            ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/linc_interview_testing-7b7d1574ce369b2e
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test entity::helpers::tests::get_recommendation_index_works ... ok
[INFO] [stdout] test entity::helpers::tests::get_intersection_works ... ok
[INFO] [stdout] test entity::helpers::tests::get_jaccard_index_works ... ok
[INFO] [stdout] test entity::helpers::tests::get_union_works ... ok
[INFO] [stdout] test entity::helpers::tests::get_recommendation_parameters_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d16f8202d5de6cf0fcb4a86d4ac141e25c87f961b53ab25314d77d809e8b54d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d16f8202d5de6cf0fcb4a86d4ac141e25c87f961b53ab25314d77d809e8b54d4", kill_on_drop: false }`
[INFO] [stdout] d16f8202d5de6cf0fcb4a86d4ac141e25c87f961b53ab25314d77d809e8b54d4