Dec 19 05:00:23.588 INFO checking yodang/http2c against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 05:00:23.588 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-6/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/yodang/http2c:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 05:00:24.078 INFO [stdout] b188970a55ac00f26ab90145e0a57e0a1c4ce49c9d1e56ab739842d39a882865
Dec 19 05:00:24.080 INFO running `"docker" "start" "-a" "b188970a55ac00f26ab90145e0a57e0a1c4ce49c9d1e56ab739842d39a882865"`
Dec 19 05:00:26.547 INFO [stderr]     Checking futures v0.1.17
Dec 19 05:00:26.554 INFO [stderr]     Checking iovec v0.1.1
Dec 19 05:00:26.555 INFO [stderr]     Checking num_cpus v1.8.0
Dec 19 05:00:26.557 INFO [stderr]     Checking rand v0.3.20
Dec 19 05:00:26.559 INFO [stderr]     Checking net2 v0.2.31
Dec 19 05:00:27.286 INFO [stderr]     Checking bytes v0.4.6
Dec 19 05:00:28.769 INFO [stderr]     Checking mio v0.6.12
Dec 19 05:00:33.458 INFO [stderr]     Checking tokio-io v0.1.4
Dec 19 05:00:33.460 INFO [stderr]     Checking tokio-service v0.1.0
Dec 19 05:00:33.469 INFO [stderr]     Checking futures-cpupool v0.1.8
Dec 19 05:00:33.471 INFO [stderr]     Checking relay v0.1.0
Dec 19 05:00:34.840 INFO [stderr]     Checking tokio-core v0.1.12
Dec 19 05:00:36.004 INFO [stderr]     Checking tokio-proto v0.1.1
Dec 19 05:00:38.076 INFO [stderr]     Checking hyper v0.11.15
Dec 19 05:00:42.937 INFO [stderr]     Checking http2c v0.1.0 (/opt/crater/workdir)
Dec 19 05:00:43.240 INFO [stderr] warning: unused import: `bytes::Bytes`
Dec 19 05:00:43.240 INFO [stderr]   --> src/main.rs:10:5
Dec 19 05:00:43.240 INFO [stderr]    |
Dec 19 05:00:43.240 INFO [stderr] 10 | use bytes::Bytes;
Dec 19 05:00:43.240 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 19 05:00:43.240 INFO [stderr]    |
Dec 19 05:00:43.240 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 05:00:43.240 INFO [stderr] 
Dec 19 05:00:43.241 INFO [stderr] warning: unused imports: `Write`, `self`
Dec 19 05:00:43.241 INFO [stderr]   --> src/main.rs:12:15
Dec 19 05:00:43.241 INFO [stderr]    |
Dec 19 05:00:43.241 INFO [stderr] 12 | use std::io::{self, Write};
Dec 19 05:00:43.241 INFO [stderr]    |               ^^^^  ^^^^^
Dec 19 05:00:43.241 INFO [stderr] 
Dec 19 05:00:43.241 INFO [stderr] warning: unused import: `Header`
Dec 19 05:00:43.241 INFO [stderr]   --> src/main.rs:14:21
Dec 19 05:00:43.241 INFO [stderr]    |
Dec 19 05:00:43.241 INFO [stderr] 14 | use hyper::header::{Header, Protocol, ProtocolName};
Dec 19 05:00:43.241 INFO [stderr]    |                     ^^^^^^
Dec 19 05:00:43.241 INFO [stderr] 
Dec 19 05:00:43.264 INFO [stderr] warning: unused import: `bytes::Bytes`
Dec 19 05:00:43.264 INFO [stderr]   --> src/main.rs:10:5
Dec 19 05:00:43.264 INFO [stderr]    |
Dec 19 05:00:43.264 INFO [stderr] 10 | use bytes::Bytes;
Dec 19 05:00:43.264 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 19 05:00:43.264 INFO [stderr]    |
Dec 19 05:00:43.268 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 05:00:43.268 INFO [stderr] 
Dec 19 05:00:43.268 INFO [stderr] warning: unused imports: `Write`, `self`
Dec 19 05:00:43.268 INFO [stderr]   --> src/main.rs:12:15
Dec 19 05:00:43.268 INFO [stderr]    |
Dec 19 05:00:43.268 INFO [stderr] 12 | use std::io::{self, Write};
Dec 19 05:00:43.268 INFO [stderr]    |               ^^^^  ^^^^^
Dec 19 05:00:43.268 INFO [stderr] 
Dec 19 05:00:43.269 INFO [stderr] warning: unused import: `Header`
Dec 19 05:00:43.269 INFO [stderr]   --> src/main.rs:14:21
Dec 19 05:00:43.269 INFO [stderr]    |
Dec 19 05:00:43.269 INFO [stderr] 14 | use hyper::header::{Header, Protocol, ProtocolName};
Dec 19 05:00:43.269 INFO [stderr]    |                     ^^^^^^
Dec 19 05:00:43.276 INFO [stderr] 
Dec 19 05:00:43.484 INFO [stderr] warning: enum is never used: `FrameType`
Dec 19 05:00:43.484 INFO [stderr]  --> src/frame.rs:2:1
Dec 19 05:00:43.484 INFO [stderr]   |
Dec 19 05:00:43.484 INFO [stderr] 2 | pub enum FrameType
Dec 19 05:00:43.484 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 19 05:00:43.484 INFO [stderr]   |
Dec 19 05:00:43.484 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 05:00:43.484 INFO [stderr] 
Dec 19 05:00:43.484 INFO [stderr] warning: struct is never constructed: `Http2Frame`
Dec 19 05:00:43.484 INFO [stderr]   --> src/frame.rs:17:1
Dec 19 05:00:43.484 INFO [stderr]    |
Dec 19 05:00:43.484 INFO [stderr] 17 | pub struct Http2Frame
Dec 19 05:00:43.484 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:00:43.484 INFO [stderr] 
Dec 19 05:00:43.524 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 05:00:43.524 INFO [stderr]   --> src/main.rs:48:5
Dec 19 05:00:43.524 INFO [stderr]    |
Dec 19 05:00:43.524 INFO [stderr] 48 |     core.run(worker);
Dec 19 05:00:43.524 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 19 05:00:43.524 INFO [stderr] warning: enum is never used: `FrameType`
Dec 19 05:00:43.524 INFO [stderr]  --> src/frame.rs:2:1
Dec 19 05:00:43.524 INFO [stderr]   |
Dec 19 05:00:43.524 INFO [stderr] 2 | pub enum FrameType
Dec 19 05:00:43.524 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 19 05:00:43.524 INFO [stderr]   |
Dec 19 05:00:43.524 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 05:00:43.524 INFO [stderr] 
Dec 19 05:00:43.524 INFO [stderr] warning: struct is never constructed: `Http2Frame`
Dec 19 05:00:43.524 INFO [stderr]   --> src/frame.rs:17:1
Dec 19 05:00:43.524 INFO [stderr]    |
Dec 19 05:00:43.524 INFO [stderr] 17 | pub struct Http2Frame
Dec 19 05:00:43.524 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:00:43.524 INFO [stderr] 
Dec 19 05:00:43.524 INFO [stderr]    |
Dec 19 05:00:43.524 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 05:00:43.524 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 05:00:43.524 INFO [stderr] 
Dec 19 05:00:43.580 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 05:00:43.580 INFO [stderr]   --> src/main.rs:48:5
Dec 19 05:00:43.580 INFO [stderr]    |
Dec 19 05:00:43.580 INFO [stderr] 48 |     core.run(worker);
Dec 19 05:00:43.580 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 19 05:00:43.580 INFO [stderr]    |
Dec 19 05:00:43.580 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 05:00:43.580 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 05:00:43.580 INFO [stderr] 
Dec 19 05:00:43.616 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.20s
Dec 19 05:00:44.588 INFO running `"docker" "inspect" "b188970a55ac00f26ab90145e0a57e0a1c4ce49c9d1e56ab739842d39a882865"`
Dec 19 05:00:44.894 INFO running `"docker" "rm" "-f" "b188970a55ac00f26ab90145e0a57e0a1c4ce49c9d1e56ab739842d39a882865"`
Dec 19 05:00:45.293 INFO [stdout] b188970a55ac00f26ab90145e0a57e0a1c4ce49c9d1e56ab739842d39a882865