[INFO] crate twelve_factor 0.0.3 is already in cache
[INFO] checking twelve_factor-0.0.3 against master#6250d56355d72264ece721e8d0dc95b16a6824b1 for pr-68350
[INFO] extracting crate twelve_factor 0.0.3 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate twelve_factor 0.0.3 on toolchain 6250d56355d72264ece721e8d0dc95b16a6824b1
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate twelve_factor 0.0.3
[INFO] finished tweaking crates.io crate twelve_factor 0.0.3
[INFO] tweaked toml for crates.io crate twelve_factor 0.0.3 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "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] ed681b72858f5883d3f8f9ed35cba9cbef08078f8f67a6d33f1e71c37110d31c
[INFO] running `"docker" "start" "-a" "ed681b72858f5883d3f8f9ed35cba9cbef08078f8f67a6d33f1e71c37110d31c"`
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking ucd-util v0.1.7
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling protobuf v2.10.1
[INFO] [stderr]    Compiling prometheus v0.6.1
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking num-integer v0.1.42
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking tokio-threadpool v0.1.17
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking tokio-reactor v0.1.11
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking flexi_logger v0.11.5
[INFO] [stderr]     Checking serde_test v0.8.23
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking serde-hjson v0.8.2
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking serde_json v1.0.45
[INFO] [stderr]     Checking hyper-router v0.5.0
[INFO] [stderr]     Checking config v0.9.3
[INFO] [stderr]     Checking twelve_factor v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/configuration.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 | /         a_config.merge(paths).unwrap()
[INFO] [stderr] 58 | |         .merge(env);
[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: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/configuration.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 | /         a_config.merge(paths).unwrap()
[INFO] [stderr] 58 | |         .merge(env);
[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: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]   --> tests/metrics_test.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     std::thread::sleep_ms(6000);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `app`
[INFO] [stderr]  --> tests/metrics_test.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let app = ApplicationBuilder::default().build();
[INFO] [stderr]   |         ^^^ help: consider prefixing with an underscore: `_app`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.78s
[INFO] running `"docker" "inspect" "ed681b72858f5883d3f8f9ed35cba9cbef08078f8f67a6d33f1e71c37110d31c"`
[INFO] running `"docker" "rm" "-f" "ed681b72858f5883d3f8f9ed35cba9cbef08078f8f67a6d33f1e71c37110d31c"`
[INFO] [stdout] ed681b72858f5883d3f8f9ed35cba9cbef08078f8f67a6d33f1e71c37110d31c