Nov 27 16:31:53.657 INFO checking yodang/http2c against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 27 16:31:53.658 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-0/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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"`
Nov 27 16:31:54.140 INFO [stdout] 9d8d4aaeaa3927898c10c5476a22a89236775ebcbbde7bf2df3924b9c0c8ada4
Nov 27 16:31:54.143 INFO running `"docker" "start" "-a" "9d8d4aaeaa3927898c10c5476a22a89236775ebcbbde7bf2df3924b9c0c8ada4"`
Nov 27 16:31:55.556 INFO [stderr] usermod: no changes
Nov 27 16:31:55.737 INFO [stderr]     Checking futures v0.1.17
Nov 27 16:31:55.752 INFO [stderr]     Checking iovec v0.1.1
Nov 27 16:31:55.770 INFO [stderr]     Checking rand v0.3.20
Nov 27 16:31:55.770 INFO [stderr]     Checking num_cpus v1.8.0
Nov 27 16:31:55.770 INFO [stderr]     Checking time v0.1.39
Nov 27 16:31:55.770 INFO [stderr]     Checking net2 v0.2.31
Nov 27 16:31:55.771 INFO [stderr]     Checking base64 v0.9.0
Nov 27 16:31:55.780 INFO [stderr]     Checking mime v0.3.5
Nov 27 16:31:56.824 INFO [stderr]     Checking bytes v0.4.6
Nov 27 16:31:59.430 INFO [stderr]     Checking mio v0.6.12
Nov 27 16:32:04.109 INFO [stderr]     Checking tokio-io v0.1.4
Nov 27 16:32:04.112 INFO [stderr]     Checking tokio-service v0.1.0
Nov 27 16:32:04.128 INFO [stderr]     Checking futures-cpupool v0.1.8
Nov 27 16:32:04.129 INFO [stderr]     Checking relay v0.1.0
Nov 27 16:32:05.674 INFO [stderr]     Checking tokio-core v0.1.12
Nov 27 16:32:07.170 INFO [stderr]     Checking tokio-proto v0.1.1
Nov 27 16:32:09.517 INFO [stderr]     Checking hyper v0.11.15
Nov 27 16:32:14.772 INFO [stderr]     Checking http2c v0.1.0 (/source)
Nov 27 16:32:15.114 INFO [stderr] warning: unused import: `bytes::Bytes`
Nov 27 16:32:15.114 INFO [stderr]   --> src/main.rs:10:5
Nov 27 16:32:15.115 INFO [stderr]    |
Nov 27 16:32:15.115 INFO [stderr] 10 | use bytes::Bytes;
Nov 27 16:32:15.115 INFO [stderr]    |     ^^^^^^^^^^^^
Nov 27 16:32:15.116 INFO [stderr]    |
Nov 27 16:32:15.116 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 27 16:32:15.116 INFO [stderr] 
Nov 27 16:32:15.116 INFO [stderr] warning: unused imports: `Write`, `self`
Nov 27 16:32:15.117 INFO [stderr]   --> src/main.rs:12:15
Nov 27 16:32:15.117 INFO [stderr]    |
Nov 27 16:32:15.117 INFO [stderr] 12 | use std::io::{self, Write};
Nov 27 16:32:15.118 INFO [stderr]    |               ^^^^  ^^^^^
Nov 27 16:32:15.118 INFO [stderr] 
Nov 27 16:32:15.118 INFO [stderr] warning: unused import: `Header`
Nov 27 16:32:15.118 INFO [stderr]   --> src/main.rs:14:21
Nov 27 16:32:15.119 INFO [stderr]    |
Nov 27 16:32:15.119 INFO [stderr] 14 | use hyper::header::{Header, Protocol, ProtocolName};
Nov 27 16:32:15.119 INFO [stderr]    |                     ^^^^^^
Nov 27 16:32:15.120 INFO [stderr] 
Nov 27 16:32:15.122 INFO [stderr] warning: unused import: `bytes::Bytes`
Nov 27 16:32:15.122 INFO [stderr]   --> src/main.rs:10:5
Nov 27 16:32:15.123 INFO [stderr]    |
Nov 27 16:32:15.123 INFO [stderr] 10 | use bytes::Bytes;
Nov 27 16:32:15.123 INFO [stderr]    |     ^^^^^^^^^^^^
Nov 27 16:32:15.124 INFO [stderr]    |
Nov 27 16:32:15.124 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 27 16:32:15.124 INFO [stderr] 
Nov 27 16:32:15.124 INFO [stderr] warning: unused imports: `Write`, `self`
Nov 27 16:32:15.125 INFO [stderr]   --> src/main.rs:12:15
Nov 27 16:32:15.125 INFO [stderr]    |
Nov 27 16:32:15.125 INFO [stderr] 12 | use std::io::{self, Write};
Nov 27 16:32:15.126 INFO [stderr]    |               ^^^^  ^^^^^
Nov 27 16:32:15.126 INFO [stderr] 
Nov 27 16:32:15.126 INFO [stderr] warning: unused import: `Header`
Nov 27 16:32:15.127 INFO [stderr]   --> src/main.rs:14:21
Nov 27 16:32:15.127 INFO [stderr]    |
Nov 27 16:32:15.127 INFO [stderr] 14 | use hyper::header::{Header, Protocol, ProtocolName};
Nov 27 16:32:15.127 INFO [stderr]    |                     ^^^^^^
Nov 27 16:32:15.128 INFO [stderr] 
Nov 27 16:32:15.232 INFO [stderr] warning: enum is never used: `FrameType`
Nov 27 16:32:15.233 INFO [stderr]  --> src/frame.rs:2:1
Nov 27 16:32:15.233 INFO [stderr]   |
Nov 27 16:32:15.233 INFO [stderr] 2 | pub enum FrameType
Nov 27 16:32:15.234 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Nov 27 16:32:15.234 INFO [stderr]   |
Nov 27 16:32:15.234 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 27 16:32:15.235 INFO [stderr] 
Nov 27 16:32:15.235 INFO [stderr] warning: struct is never constructed: `Http2Frame`
Nov 27 16:32:15.235 INFO [stderr]   --> src/frame.rs:17:1
Nov 27 16:32:15.235 INFO [stderr]    |
Nov 27 16:32:15.236 INFO [stderr] 17 | pub struct Http2Frame
Nov 27 16:32:15.236 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
Nov 27 16:32:15.236 INFO [stderr] 
Nov 27 16:32:15.248 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 16:32:15.249 INFO [stderr]   --> src/main.rs:48:5
Nov 27 16:32:15.249 INFO [stderr]    |
Nov 27 16:32:15.249 INFO [stderr] 48 |     core.run(worker);
Nov 27 16:32:15.250 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Nov 27 16:32:15.250 INFO [stderr]    |
Nov 27 16:32:15.250 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 27 16:32:15.250 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 16:32:15.251 INFO [stderr] 
Nov 27 16:32:15.292 INFO [stderr] warning: enum is never used: `FrameType`
Nov 27 16:32:15.293 INFO [stderr]  --> src/frame.rs:2:1
Nov 27 16:32:15.293 INFO [stderr]   |
Nov 27 16:32:15.293 INFO [stderr] 2 | pub enum FrameType
Nov 27 16:32:15.294 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Nov 27 16:32:15.294 INFO [stderr]   |
Nov 27 16:32:15.294 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 27 16:32:15.295 INFO [stderr] 
Nov 27 16:32:15.295 INFO [stderr] warning: struct is never constructed: `Http2Frame`
Nov 27 16:32:15.295 INFO [stderr]   --> src/frame.rs:17:1
Nov 27 16:32:15.295 INFO [stderr]    |
Nov 27 16:32:15.296 INFO [stderr] 17 | pub struct Http2Frame
Nov 27 16:32:15.296 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
Nov 27 16:32:15.296 INFO [stderr] 
Nov 27 16:32:15.316 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 16:32:15.317 INFO [stderr]   --> src/main.rs:48:5
Nov 27 16:32:15.317 INFO [stderr]    |
Nov 27 16:32:15.317 INFO [stderr] 48 |     core.run(worker);
Nov 27 16:32:15.318 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Nov 27 16:32:15.318 INFO [stderr]    |
Nov 27 16:32:15.318 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 27 16:32:15.318 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 16:32:15.319 INFO [stderr] 
Nov 27 16:32:15.356 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.78s
Nov 27 16:32:15.368 INFO [stderr] su: No module specific data is present
Nov 27 16:32:16.601 INFO running `"docker" "inspect" "9d8d4aaeaa3927898c10c5476a22a89236775ebcbbde7bf2df3924b9c0c8ada4"`
Nov 27 16:32:16.844 INFO running `"docker" "rm" "-f" "9d8d4aaeaa3927898c10c5476a22a89236775ebcbbde7bf2df3924b9c0c8ada4"`
Nov 27 16:32:17.144 INFO [stdout] 9d8d4aaeaa3927898c10c5476a22a89236775ebcbbde7bf2df3924b9c0c8ada4