Dec 12 02:41:31.252 INFO checking Geal/grad against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 02:41:31.252 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 02:41:31.620 INFO [stdout] c15cc037efa6e3c737ec50c5616b033e212ad527d2d3382d8f7bd0847e46e6bb
Dec 12 02:41:31.622 INFO running `"docker" "start" "-a" "c15cc037efa6e3c737ec50c5616b033e212ad527d2d3382d8f7bd0847e46e6bb"`
Dec 12 02:41:33.026 INFO [stderr] usermod: no changes
Dec 12 02:41:33.546 INFO [stderr]     Checking termcolor v1.0.2
Dec 12 02:41:33.592 INFO [stderr]     Checking input_buffer v0.2.0
Dec 12 02:41:33.592 INFO [stderr]     Checking h2 v0.1.12
Dec 12 02:41:33.592 INFO [stderr]     Checking tokio-reactor v0.1.4
Dec 12 02:41:35.040 INFO [stderr]     Checking tungstenite v0.6.0
Dec 12 02:41:35.584 INFO [stderr]     Checking env_logger v0.5.13
Dec 12 02:41:38.415 INFO [stderr]     Checking pretty_env_logger v0.2.4
Dec 12 02:41:38.620 INFO [stderr]     Checking tokio-uds v0.2.1
Dec 12 02:41:38.620 INFO [stderr]     Checking tokio-tcp v0.1.1
Dec 12 02:41:38.620 INFO [stderr]     Checking tokio-udp v0.1.2
Dec 12 02:41:42.733 INFO [stderr]     Checking tokio v0.1.8
Dec 12 02:41:45.181 INFO [stderr]     Checking hyper v0.12.8
Dec 12 02:41:51.093 INFO [stderr]     Checking warp v0.1.2
Dec 12 02:41:57.113 INFO [stderr]     Checking grad v0.1.0 (/source)
Dec 12 02:42:04.516 INFO [stderr] warning: unused imports: `Response`, `StatusCode`
Dec 12 02:42:04.516 INFO [stderr]   --> src/main.rs:19:18
Dec 12 02:42:04.516 INFO [stderr]    |
Dec 12 02:42:04.516 INFO [stderr] 19 | use warp::http::{Response,StatusCode};
Dec 12 02:42:04.516 INFO [stderr]    |                  ^^^^^^^^ ^^^^^^^^^^
Dec 12 02:42:04.516 INFO [stderr]    |
Dec 12 02:42:04.516 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 12 02:42:04.516 INFO [stderr] 
Dec 12 02:42:04.516 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 12 02:42:04.516 INFO [stderr]   --> src/main.rs:87:29
Dec 12 02:42:04.516 INFO [stderr]    |
Dec 12 02:42:04.516 INFO [stderr] 87 |     warp::serve(routes).run((server));
Dec 12 02:42:04.516 INFO [stderr]    |                             ^^^^^^^^ help: remove these parentheses
Dec 12 02:42:04.516 INFO [stderr]    |
Dec 12 02:42:04.516 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 12 02:42:04.516 INFO [stderr] 
Dec 12 02:42:04.658 INFO [stderr] warning: unused imports: `Response`, `StatusCode`
Dec 12 02:42:04.658 INFO [stderr]   --> src/main.rs:19:18
Dec 12 02:42:04.659 INFO [stderr]    |
Dec 12 02:42:04.659 INFO [stderr] 19 | use warp::http::{Response,StatusCode};
Dec 12 02:42:04.659 INFO [stderr]    |                  ^^^^^^^^ ^^^^^^^^^^
Dec 12 02:42:04.659 INFO [stderr]    |
Dec 12 02:42:04.660 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 12 02:42:04.660 INFO [stderr] 
Dec 12 02:42:04.660 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 12 02:42:04.661 INFO [stderr]   --> src/main.rs:87:29
Dec 12 02:42:04.661 INFO [stderr]    |
Dec 12 02:42:04.661 INFO [stderr] 87 |     warp::serve(routes).run((server));
Dec 12 02:42:04.661 INFO [stderr]    |                             ^^^^^^^^ help: remove these parentheses
Dec 12 02:42:04.662 INFO [stderr]    |
Dec 12 02:42:04.662 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 12 02:42:04.662 INFO [stderr] 
Dec 12 02:42:05.372 INFO [stderr] warning: struct is never constructed: `NoneAggregator`
Dec 12 02:42:05.372 INFO [stderr]    --> src/metrics/mod.rs:172:1
Dec 12 02:42:05.372 INFO [stderr]     |
Dec 12 02:42:05.372 INFO [stderr] 172 | pub struct NoneAggregator<T: Iterator<Item=Value>> {
Dec 12 02:42:05.372 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:42:05.372 INFO [stderr]     |
Dec 12 02:42:05.372 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 12 02:42:05.372 INFO [stderr] 
Dec 12 02:42:05.372 INFO [stderr] warning: method is never used: `from`
Dec 12 02:42:05.372 INFO [stderr]    --> src/metrics/mod.rs:177:3
Dec 12 02:42:05.372 INFO [stderr]     |
Dec 12 02:42:05.372 INFO [stderr] 177 |   pub fn from(iterator: T) -> Self {
Dec 12 02:42:05.372 INFO [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:42:05.372 INFO [stderr] 
Dec 12 02:42:05.372 INFO [stderr] warning: function is never used: `send_test`
Dec 12 02:42:05.372 INFO [stderr]   --> src/main.rs:90:1
Dec 12 02:42:05.372 INFO [stderr]    |
Dec 12 02:42:05.373 INFO [stderr] 90 | fn send_test() -> Result<String, warp::Rejection> {
Dec 12 02:42:05.373 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:42:05.373 INFO [stderr] 
Dec 12 02:42:05.383 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 02:42:05.383 INFO [stderr]    --> src/main.rs:125:3
Dec 12 02:42:05.383 INFO [stderr]     |
Dec 12 02:42:05.383 INFO [stderr] 125 |   write!(&mut s, "{} series, {} values\n", state.series.keys().count(), state.counter);
Dec 12 02:42:05.383 INFO [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:42:05.383 INFO [stderr]     |
Dec 12 02:42:05.383 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 12 02:42:05.383 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 02:42:05.383 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 12 02:42:05.383 INFO [stderr] 
Dec 12 02:42:05.384 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 02:42:05.384 INFO [stderr]    --> src/main.rs:128:7
Dec 12 02:42:05.384 INFO [stderr]     |
Dec 12 02:42:05.384 INFO [stderr] 128 |       write!(&mut s, "\n{}[{}]: {:?}", key, count, metric_type);
Dec 12 02:42:05.384 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:42:05.384 INFO [stderr]     |
Dec 12 02:42:05.384 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 02:42:05.384 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 12 02:42:05.384 INFO [stderr] 
Dec 12 02:42:05.384 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 02:42:05.384 INFO [stderr]    --> src/main.rs:130:9
Dec 12 02:42:05.384 INFO [stderr]     |
Dec 12 02:42:05.384 INFO [stderr] 130 |         write!(&mut s, ", {}={}", tag.key, tag.value);
Dec 12 02:42:05.384 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:42:05.384 INFO [stderr]     |
Dec 12 02:42:05.384 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 02:42:05.384 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 12 02:42:05.384 INFO [stderr] 
Dec 12 02:42:05.412 INFO [stderr] warning: struct is never constructed: `NoneAggregator`
Dec 12 02:42:05.412 INFO [stderr]    --> src/metrics/mod.rs:172:1
Dec 12 02:42:05.412 INFO [stderr]     |
Dec 12 02:42:05.412 INFO [stderr] 172 | pub struct NoneAggregator<T: Iterator<Item=Value>> {
Dec 12 02:42:05.412 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:42:05.412 INFO [stderr]     |
Dec 12 02:42:05.412 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 12 02:42:05.412 INFO [stderr] 
Dec 12 02:42:05.412 INFO [stderr] warning: method is never used: `from`
Dec 12 02:42:05.412 INFO [stderr]    --> src/metrics/mod.rs:177:3
Dec 12 02:42:05.412 INFO [stderr]     |
Dec 12 02:42:05.412 INFO [stderr] 177 |   pub fn from(iterator: T) -> Self {
Dec 12 02:42:05.412 INFO [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:42:05.412 INFO [stderr] 
Dec 12 02:42:05.412 INFO [stderr] warning: function is never used: `send_test`
Dec 12 02:42:05.412 INFO [stderr]   --> src/main.rs:90:1
Dec 12 02:42:05.412 INFO [stderr]    |
Dec 12 02:42:05.412 INFO [stderr] 90 | fn send_test() -> Result<String, warp::Rejection> {
Dec 12 02:42:05.412 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:42:05.412 INFO [stderr] 
Dec 12 02:42:05.423 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 02:42:05.423 INFO [stderr]    --> src/main.rs:125:3
Dec 12 02:42:05.423 INFO [stderr]     |
Dec 12 02:42:05.423 INFO [stderr] 125 |   write!(&mut s, "{} series, {} values\n", state.series.keys().count(), state.counter);
Dec 12 02:42:05.423 INFO [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:42:05.423 INFO [stderr]     |
Dec 12 02:42:05.423 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 12 02:42:05.423 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 02:42:05.423 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 12 02:42:05.423 INFO [stderr] 
Dec 12 02:42:05.423 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 02:42:05.423 INFO [stderr]    --> src/main.rs:128:7
Dec 12 02:42:05.423 INFO [stderr]     |
Dec 12 02:42:05.423 INFO [stderr] 128 |       write!(&mut s, "\n{}[{}]: {:?}", key, count, metric_type);
Dec 12 02:42:05.423 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:42:05.423 INFO [stderr]     |
Dec 12 02:42:05.423 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 02:42:05.423 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 12 02:42:05.423 INFO [stderr] 
Dec 12 02:42:05.423 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 02:42:05.423 INFO [stderr]    --> src/main.rs:130:9
Dec 12 02:42:05.423 INFO [stderr]     |
Dec 12 02:42:05.423 INFO [stderr] 130 |         write!(&mut s, ", {}={}", tag.key, tag.value);
Dec 12 02:42:05.423 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:42:05.423 INFO [stderr]     |
Dec 12 02:42:05.423 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 02:42:05.423 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 12 02:42:05.423 INFO [stderr] 
Dec 12 02:42:05.451 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.40s
Dec 12 02:42:05.470 INFO [stderr] su: No module specific data is present
Dec 12 02:42:05.799 INFO running `"docker" "inspect" "c15cc037efa6e3c737ec50c5616b033e212ad527d2d3382d8f7bd0847e46e6bb"`
Dec 12 02:42:05.887 INFO running `"docker" "rm" "-f" "c15cc037efa6e3c737ec50c5616b033e212ad527d2d3382d8f7bd0847e46e6bb"`
Dec 12 02:42:05.980 INFO [stdout] c15cc037efa6e3c737ec50c5616b033e212ad527d2d3382d8f7bd0847e46e6bb