Dec 04 06:32:19.284 INFO checking yodang/http2c against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 06:32:19.284 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 04 06:32:19.880 INFO [stdout] 51e922ca51e69ecd553a9a5342ec7d4509ed41b49dd049579c97b885587716e4
Dec 04 06:32:19.883 INFO running `"docker" "start" "-a" "51e922ca51e69ecd553a9a5342ec7d4509ed41b49dd049579c97b885587716e4"`
Dec 04 06:32:22.315 INFO [stderr] usermod: no changes
Dec 04 06:32:22.531 INFO [stderr]     Checking futures v0.1.17
Dec 04 06:32:22.535 INFO [stderr]     Checking slab v0.4.0
Dec 04 06:32:22.536 INFO [stderr]     Checking iovec v0.1.1
Dec 04 06:32:22.536 INFO [stderr]     Checking net2 v0.2.31
Dec 04 06:32:22.536 INFO [stderr]     Checking num_cpus v1.8.0
Dec 04 06:32:22.536 INFO [stderr]     Checking rand v0.3.20
Dec 04 06:32:22.536 INFO [stderr]    Compiling unicase v2.1.0
Dec 04 06:32:22.536 INFO [stderr]     Checking base64 v0.9.0
Dec 04 06:32:23.955 INFO [stderr]     Checking bytes v0.4.6
Dec 04 06:32:25.183 INFO [stderr]     Checking mio v0.6.12
Dec 04 06:32:29.873 INFO [stderr]     Checking mime v0.3.5
Dec 04 06:32:30.639 INFO [stderr]     Checking tokio-io v0.1.4
Dec 04 06:32:30.639 INFO [stderr]     Checking tokio-service v0.1.0
Dec 04 06:32:30.639 INFO [stderr]     Checking futures-cpupool v0.1.8
Dec 04 06:32:30.639 INFO [stderr]     Checking relay v0.1.0
Dec 04 06:32:31.687 INFO [stderr]     Checking tokio-core v0.1.12
Dec 04 06:32:32.883 INFO [stderr]     Checking tokio-proto v0.1.1
Dec 04 06:32:34.913 INFO [stderr]     Checking hyper v0.11.15
Dec 04 06:32:39.471 INFO [stderr]     Checking http2c v0.1.0 (/source)
Dec 04 06:32:39.791 INFO [stderr] warning: unused import: `bytes::Bytes`
Dec 04 06:32:39.791 INFO [stderr]   --> src/main.rs:10:5
Dec 04 06:32:39.791 INFO [stderr]    |
Dec 04 06:32:39.791 INFO [stderr] 10 | use bytes::Bytes;
Dec 04 06:32:39.791 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 04 06:32:39.791 INFO [stderr]    |
Dec 04 06:32:39.791 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 04 06:32:39.791 INFO [stderr] 
Dec 04 06:32:39.791 INFO [stderr] warning: unused imports: `Write`, `self`
Dec 04 06:32:39.791 INFO [stderr]   --> src/main.rs:12:15
Dec 04 06:32:39.791 INFO [stderr]    |
Dec 04 06:32:39.791 INFO [stderr] 12 | use std::io::{self, Write};
Dec 04 06:32:39.791 INFO [stderr]    |               ^^^^  ^^^^^
Dec 04 06:32:39.791 INFO [stderr] 
Dec 04 06:32:39.791 INFO [stderr] warning: unused import: `Header`
Dec 04 06:32:39.791 INFO [stderr]   --> src/main.rs:14:21
Dec 04 06:32:39.791 INFO [stderr]    |
Dec 04 06:32:39.791 INFO [stderr] 14 | use hyper::header::{Header, Protocol, ProtocolName};
Dec 04 06:32:39.791 INFO [stderr]    |                     ^^^^^^
Dec 04 06:32:39.791 INFO [stderr] 
Dec 04 06:32:39.903 INFO [stderr] warning: unused import: `bytes::Bytes`
Dec 04 06:32:39.903 INFO [stderr]   --> src/main.rs:10:5
Dec 04 06:32:39.903 INFO [stderr]    |
Dec 04 06:32:39.903 INFO [stderr] 10 | use bytes::Bytes;
Dec 04 06:32:39.903 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 04 06:32:39.903 INFO [stderr]    |
Dec 04 06:32:39.903 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 04 06:32:39.903 INFO [stderr] 
Dec 04 06:32:39.903 INFO [stderr] warning: unused imports: `Write`, `self`
Dec 04 06:32:39.903 INFO [stderr]   --> src/main.rs:12:15
Dec 04 06:32:39.903 INFO [stderr]    |
Dec 04 06:32:39.903 INFO [stderr] 12 | use std::io::{self, Write};
Dec 04 06:32:39.903 INFO [stderr]    |               ^^^^  ^^^^^
Dec 04 06:32:39.903 INFO [stderr] 
Dec 04 06:32:39.903 INFO [stderr] warning: unused import: `Header`
Dec 04 06:32:39.903 INFO [stderr]   --> src/main.rs:14:21
Dec 04 06:32:39.903 INFO [stderr]    |
Dec 04 06:32:39.903 INFO [stderr] 14 | use hyper::header::{Header, Protocol, ProtocolName};
Dec 04 06:32:39.903 INFO [stderr]    |                     ^^^^^^
Dec 04 06:32:39.903 INFO [stderr] 
Dec 04 06:32:39.931 INFO [stderr] warning: enum is never used: `FrameType`
Dec 04 06:32:39.931 INFO [stderr]  --> src/frame.rs:2:1
Dec 04 06:32:39.931 INFO [stderr]   |
Dec 04 06:32:39.931 INFO [stderr] 2 | pub enum FrameType
Dec 04 06:32:39.931 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 04 06:32:39.931 INFO [stderr]   |
Dec 04 06:32:39.931 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 06:32:39.931 INFO [stderr] 
Dec 04 06:32:39.931 INFO [stderr] warning: struct is never constructed: `Http2Frame`
Dec 04 06:32:39.931 INFO [stderr]   --> src/frame.rs:17:1
Dec 04 06:32:39.931 INFO [stderr]    |
Dec 04 06:32:39.931 INFO [stderr] 17 | pub struct Http2Frame
Dec 04 06:32:39.931 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
Dec 04 06:32:39.931 INFO [stderr] 
Dec 04 06:32:39.956 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 06:32:39.956 INFO [stderr]   --> src/main.rs:48:5
Dec 04 06:32:39.956 INFO [stderr]    |
Dec 04 06:32:39.956 INFO [stderr] 48 |     core.run(worker);
Dec 04 06:32:39.956 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 04 06:32:39.956 INFO [stderr]    |
Dec 04 06:32:39.956 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 06:32:39.956 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 06:32:39.956 INFO [stderr] 
Dec 04 06:32:40.095 INFO [stderr] warning: enum is never used: `FrameType`
Dec 04 06:32:40.095 INFO [stderr]  --> src/frame.rs:2:1
Dec 04 06:32:40.095 INFO [stderr]   |
Dec 04 06:32:40.095 INFO [stderr] 2 | pub enum FrameType
Dec 04 06:32:40.095 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 04 06:32:40.095 INFO [stderr]   |
Dec 04 06:32:40.095 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 06:32:40.095 INFO [stderr] 
Dec 04 06:32:40.095 INFO [stderr] warning: struct is never constructed: `Http2Frame`
Dec 04 06:32:40.095 INFO [stderr]   --> src/frame.rs:17:1
Dec 04 06:32:40.095 INFO [stderr]    |
Dec 04 06:32:40.095 INFO [stderr] 17 | pub struct Http2Frame
Dec 04 06:32:40.095 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
Dec 04 06:32:40.095 INFO [stderr] 
Dec 04 06:32:40.115 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 06:32:40.115 INFO [stderr]   --> src/main.rs:48:5
Dec 04 06:32:40.115 INFO [stderr]    |
Dec 04 06:32:40.115 INFO [stderr] 48 |     core.run(worker);
Dec 04 06:32:40.115 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 04 06:32:40.115 INFO [stderr]    |
Dec 04 06:32:40.115 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 06:32:40.115 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 06:32:40.115 INFO [stderr] 
Dec 04 06:32:40.157 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.81s
Dec 04 06:32:40.167 INFO [stderr] su: No module specific data is present
Dec 04 06:32:41.232 INFO running `"docker" "inspect" "51e922ca51e69ecd553a9a5342ec7d4509ed41b49dd049579c97b885587716e4"`
Dec 04 06:32:41.533 INFO running `"docker" "rm" "-f" "51e922ca51e69ecd553a9a5342ec7d4509ed41b49dd049579c97b885587716e4"`
Dec 04 06:32:41.870 INFO [stdout] 51e922ca51e69ecd553a9a5342ec7d4509ed41b49dd049579c97b885587716e4