Dec 18 07:31:39.177 INFO checking Geal/grad against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 07:31:39.177 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/Geal/grad:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 07:31:42.052 INFO [stdout] f1afc3b01953787b5ec6c3ead646fe689c2bce6d00e12ad6dea98abbd5f7c1d6
Dec 18 07:31:42.054 INFO running `"docker" "start" "-a" "f1afc3b01953787b5ec6c3ead646fe689c2bce6d00e12ad6dea98abbd5f7c1d6"`
Dec 18 07:31:46.540 INFO [stderr]     Checking termcolor v1.0.2
Dec 18 07:31:46.540 INFO [stderr]     Checking mio v0.6.15
Dec 18 07:31:46.540 INFO [stderr]     Checking want v0.0.6
Dec 18 07:31:46.546 INFO [stderr]     Checking tokio-io v0.1.8
Dec 18 07:31:46.546 INFO [stderr]     Checking input_buffer v0.2.0
Dec 18 07:31:46.546 INFO [stderr]     Checking serde_urlencoded v0.5.3
Dec 18 07:31:46.546 INFO [stderr]     Checking sha-1 v0.7.0
Dec 18 07:31:46.546 INFO [stderr]     Checking tokio-threadpool v0.1.6
Dec 18 07:31:47.152 INFO [stderr]     Checking tungstenite v0.6.0
Dec 18 07:31:47.157 INFO [stderr]     Checking env_logger v0.5.13
Dec 18 07:31:47.844 INFO [stderr]     Checking tokio-codec v0.1.0
Dec 18 07:31:47.844 INFO [stderr]     Checking h2 v0.1.12
Dec 18 07:31:48.057 INFO [stderr]     Checking pretty_env_logger v0.2.4
Dec 18 07:31:48.512 INFO [stderr]     Checking tokio-fs v0.1.3
Dec 18 07:31:48.632 INFO [stderr]     Checking mio-uds v0.6.6
Dec 18 07:31:48.632 INFO [stderr]     Checking tokio-reactor v0.1.4
Dec 18 07:31:49.380 INFO [stderr]     Checking tokio-tcp v0.1.1
Dec 18 07:31:49.380 INFO [stderr]     Checking tokio-udp v0.1.2
Dec 18 07:31:49.380 INFO [stderr]     Checking tokio-uds v0.2.1
Dec 18 07:31:49.982 INFO [stderr]     Checking tokio v0.1.8
Dec 18 07:31:51.030 INFO [stderr]     Checking hyper v0.12.8
Dec 18 07:31:53.874 INFO [stderr]     Checking warp v0.1.2
Dec 18 07:31:56.660 INFO [stderr]     Checking grad v0.1.0 (/opt/crater/workdir)
Dec 18 07:31:58.612 INFO [stderr] warning: unused imports: `Response`, `StatusCode`
Dec 18 07:31:58.612 INFO [stderr]   --> src/main.rs:19:18
Dec 18 07:31:58.612 INFO [stderr]    |
Dec 18 07:31:58.612 INFO [stderr] 19 | use warp::http::{Response,StatusCode};
Dec 18 07:31:58.612 INFO [stderr]    |                  ^^^^^^^^ ^^^^^^^^^^
Dec 18 07:31:58.612 INFO [stderr]    |
Dec 18 07:31:58.612 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 07:31:58.612 INFO [stderr] 
Dec 18 07:31:58.612 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 18 07:31:58.612 INFO [stderr]   --> src/main.rs:87:29
Dec 18 07:31:58.612 INFO [stderr]    |
Dec 18 07:31:58.612 INFO [stderr] 87 |     warp::serve(routes).run((server));
Dec 18 07:31:58.612 INFO [stderr]    |                             ^^^^^^^^ help: remove these parentheses
Dec 18 07:31:58.612 INFO [stderr]    |
Dec 18 07:31:58.612 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 18 07:31:58.612 INFO [stderr] 
Dec 18 07:31:58.625 INFO [stderr] warning: unused imports: `Response`, `StatusCode`
Dec 18 07:31:58.625 INFO [stderr]   --> src/main.rs:19:18
Dec 18 07:31:58.625 INFO [stderr]    |
Dec 18 07:31:58.625 INFO [stderr] 19 | use warp::http::{Response,StatusCode};
Dec 18 07:31:58.625 INFO [stderr]    |                  ^^^^^^^^ ^^^^^^^^^^
Dec 18 07:31:58.625 INFO [stderr]    |
Dec 18 07:31:58.625 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 07:31:58.625 INFO [stderr] 
Dec 18 07:31:58.625 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 18 07:31:58.625 INFO [stderr]   --> src/main.rs:87:29
Dec 18 07:31:58.625 INFO [stderr]    |
Dec 18 07:31:58.625 INFO [stderr] 87 |     warp::serve(routes).run((server));
Dec 18 07:31:58.625 INFO [stderr]    |                             ^^^^^^^^ help: remove these parentheses
Dec 18 07:31:58.625 INFO [stderr]    |
Dec 18 07:31:58.625 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 18 07:31:58.625 INFO [stderr] 
Dec 18 07:31:59.361 INFO [stderr] warning: struct is never constructed: `NoneAggregator`
Dec 18 07:31:59.364 INFO [stderr]    --> src/metrics/mod.rs:172:1
Dec 18 07:31:59.364 INFO [stderr]     |
Dec 18 07:31:59.364 INFO [stderr] 172 | pub struct NoneAggregator<T: Iterator<Item=Value>> {
Dec 18 07:31:59.364 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:31:59.364 INFO [stderr]     |
Dec 18 07:31:59.364 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 18 07:31:59.364 INFO [stderr] 
Dec 18 07:31:59.364 INFO [stderr] warning: method is never used: `from`
Dec 18 07:31:59.364 INFO [stderr]    --> src/metrics/mod.rs:177:3
Dec 18 07:31:59.364 INFO [stderr]     |
Dec 18 07:31:59.364 INFO [stderr] 177 |   pub fn from(iterator: T) -> Self {
Dec 18 07:31:59.364 INFO [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:31:59.364 INFO [stderr] 
Dec 18 07:31:59.364 INFO [stderr] warning: function is never used: `send_test`
Dec 18 07:31:59.364 INFO [stderr]   --> src/main.rs:90:1
Dec 18 07:31:59.364 INFO [stderr]    |
Dec 18 07:31:59.364 INFO [stderr] 90 | fn send_test() -> Result<String, warp::Rejection> {
Dec 18 07:31:59.364 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:31:59.364 INFO [stderr] 
Dec 18 07:31:59.364 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:31:59.364 INFO [stderr]    --> src/main.rs:125:3
Dec 18 07:31:59.364 INFO [stderr]     |
Dec 18 07:31:59.364 INFO [stderr] 125 |   write!(&mut s, "{} series, {} values\n", state.series.keys().count(), state.counter);
Dec 18 07:31:59.364 INFO [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:31:59.364 INFO [stderr]     |
Dec 18 07:31:59.364 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 07:31:59.364 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:31:59.364 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 18 07:31:59.364 INFO [stderr] 
Dec 18 07:31:59.364 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:31:59.364 INFO [stderr]    --> src/main.rs:128:7
Dec 18 07:31:59.364 INFO [stderr]     |
Dec 18 07:31:59.364 INFO [stderr] 128 |       write!(&mut s, "\n{}[{}]: {:?}", key, count, metric_type);
Dec 18 07:31:59.364 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:31:59.364 INFO [stderr]     |
Dec 18 07:31:59.364 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:31:59.364 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 18 07:31:59.364 INFO [stderr] 
Dec 18 07:31:59.364 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:31:59.364 INFO [stderr]    --> src/main.rs:130:9
Dec 18 07:31:59.364 INFO [stderr]     |
Dec 18 07:31:59.364 INFO [stderr] 130 |         write!(&mut s, ", {}={}", tag.key, tag.value);
Dec 18 07:31:59.364 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:31:59.364 INFO [stderr]     |
Dec 18 07:31:59.364 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:31:59.364 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 18 07:31:59.364 INFO [stderr] 
Dec 18 07:31:59.604 INFO [stderr] warning: struct is never constructed: `NoneAggregator`
Dec 18 07:31:59.604 INFO [stderr]    --> src/metrics/mod.rs:172:1
Dec 18 07:31:59.604 INFO [stderr]     |
Dec 18 07:31:59.604 INFO [stderr] 172 | pub struct NoneAggregator<T: Iterator<Item=Value>> {
Dec 18 07:31:59.604 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:31:59.604 INFO [stderr]     |
Dec 18 07:31:59.605 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 18 07:31:59.605 INFO [stderr] 
Dec 18 07:31:59.605 INFO [stderr] warning: method is never used: `from`
Dec 18 07:31:59.605 INFO [stderr]    --> src/metrics/mod.rs:177:3
Dec 18 07:31:59.605 INFO [stderr]     |
Dec 18 07:31:59.605 INFO [stderr] 177 |   pub fn from(iterator: T) -> Self {
Dec 18 07:31:59.605 INFO [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:31:59.605 INFO [stderr] 
Dec 18 07:31:59.605 INFO [stderr] warning: function is never used: `send_test`
Dec 18 07:31:59.605 INFO [stderr]   --> src/main.rs:90:1
Dec 18 07:31:59.605 INFO [stderr]    |
Dec 18 07:31:59.605 INFO [stderr] 90 | fn send_test() -> Result<String, warp::Rejection> {
Dec 18 07:31:59.605 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:31:59.605 INFO [stderr] 
Dec 18 07:31:59.614 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:31:59.614 INFO [stderr]    --> src/main.rs:125:3
Dec 18 07:31:59.614 INFO [stderr]     |
Dec 18 07:31:59.614 INFO [stderr] 125 |   write!(&mut s, "{} series, {} values\n", state.series.keys().count(), state.counter);
Dec 18 07:31:59.614 INFO [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:31:59.614 INFO [stderr]     |
Dec 18 07:31:59.614 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 07:31:59.614 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:31:59.614 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 18 07:31:59.614 INFO [stderr] 
Dec 18 07:31:59.614 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:31:59.614 INFO [stderr]    --> src/main.rs:128:7
Dec 18 07:31:59.614 INFO [stderr]     |
Dec 18 07:31:59.614 INFO [stderr] 128 |       write!(&mut s, "\n{}[{}]: {:?}", key, count, metric_type);
Dec 18 07:31:59.614 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:31:59.614 INFO [stderr]     |
Dec 18 07:31:59.614 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:31:59.614 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 18 07:31:59.614 INFO [stderr] 
Dec 18 07:31:59.614 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:31:59.614 INFO [stderr]    --> src/main.rs:130:9
Dec 18 07:31:59.614 INFO [stderr]     |
Dec 18 07:31:59.614 INFO [stderr] 130 |         write!(&mut s, ", {}={}", tag.key, tag.value);
Dec 18 07:31:59.614 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:31:59.614 INFO [stderr]     |
Dec 18 07:31:59.614 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:31:59.614 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 18 07:31:59.614 INFO [stderr] 
Dec 18 07:31:59.671 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.50s
Dec 18 07:32:00.471 INFO running `"docker" "inspect" "f1afc3b01953787b5ec6c3ead646fe689c2bce6d00e12ad6dea98abbd5f7c1d6"`
Dec 18 07:32:00.574 INFO running `"docker" "rm" "-f" "f1afc3b01953787b5ec6c3ead646fe689c2bce6d00e12ad6dea98abbd5f7c1d6"`
Dec 18 07:32:00.701 INFO [stdout] f1afc3b01953787b5ec6c3ead646fe689c2bce6d00e12ad6dea98abbd5f7c1d6