Dec 11 05:35:30.949 INFO checking yodang/http2c against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 05:35:30.949 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-7/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 11 05:35:31.526 INFO [stdout] d9c9510fa703dca63a20316f4fd3b902bed66ee816c90073b29f552f57763b33
Dec 11 05:35:31.528 INFO running `"docker" "start" "-a" "d9c9510fa703dca63a20316f4fd3b902bed66ee816c90073b29f552f57763b33"`
Dec 11 05:35:32.940 INFO [stderr] usermod: no changes
Dec 11 05:35:33.136 INFO [stderr]     Checking libc v0.2.36
Dec 11 05:35:33.136 INFO [stderr]     Checking futures v0.1.17
Dec 11 05:35:34.840 INFO [stderr]     Checking iovec v0.1.1
Dec 11 05:35:34.840 INFO [stderr]     Checking net2 v0.2.31
Dec 11 05:35:34.840 INFO [stderr]     Checking rand v0.3.20
Dec 11 05:35:34.840 INFO [stderr]     Checking num_cpus v1.8.0
Dec 11 05:35:34.840 INFO [stderr]     Checking time v0.1.39
Dec 11 05:35:35.628 INFO [stderr]     Checking bytes v0.4.6
Dec 11 05:35:36.565 INFO [stderr]     Checking mio v0.6.12
Dec 11 05:35:40.352 INFO [stderr]     Checking tokio-io v0.1.4
Dec 11 05:35:40.352 INFO [stderr]     Checking tokio-service v0.1.0
Dec 11 05:35:40.352 INFO [stderr]     Checking relay v0.1.0
Dec 11 05:35:40.352 INFO [stderr]     Checking futures-cpupool v0.1.8
Dec 11 05:35:41.821 INFO [stderr]     Checking tokio-core v0.1.12
Dec 11 05:35:43.200 INFO [stderr]     Checking tokio-proto v0.1.1
Dec 11 05:35:45.144 INFO [stderr]     Checking hyper v0.11.15
Dec 11 05:35:50.160 INFO [stderr]     Checking http2c v0.1.0 (/source)
Dec 11 05:35:50.532 INFO [stderr] warning: unused import: `bytes::Bytes`
Dec 11 05:35:50.532 INFO [stderr]   --> src/main.rs:10:5
Dec 11 05:35:50.532 INFO [stderr]    |
Dec 11 05:35:50.532 INFO [stderr] 10 | use bytes::Bytes;
Dec 11 05:35:50.532 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 11 05:35:50.532 INFO [stderr]    |
Dec 11 05:35:50.532 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 11 05:35:50.532 INFO [stderr] 
Dec 11 05:35:50.532 INFO [stderr] warning: unused imports: `Write`, `self`
Dec 11 05:35:50.532 INFO [stderr]   --> src/main.rs:12:15
Dec 11 05:35:50.532 INFO [stderr]    |
Dec 11 05:35:50.532 INFO [stderr] 12 | use std::io::{self, Write};
Dec 11 05:35:50.532 INFO [stderr]    |               ^^^^  ^^^^^
Dec 11 05:35:50.532 INFO [stderr] 
Dec 11 05:35:50.532 INFO [stderr] warning: unused import: `Header`
Dec 11 05:35:50.532 INFO [stderr]   --> src/main.rs:14:21
Dec 11 05:35:50.532 INFO [stderr]    |
Dec 11 05:35:50.532 INFO [stderr] 14 | use hyper::header::{Header, Protocol, ProtocolName};
Dec 11 05:35:50.532 INFO [stderr]    |                     ^^^^^^
Dec 11 05:35:50.532 INFO [stderr] 
Dec 11 05:35:50.552 INFO [stderr] warning: unused import: `bytes::Bytes`
Dec 11 05:35:50.552 INFO [stderr]   --> src/main.rs:10:5
Dec 11 05:35:50.552 INFO [stderr]    |
Dec 11 05:35:50.552 INFO [stderr] 10 | use bytes::Bytes;
Dec 11 05:35:50.552 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 11 05:35:50.552 INFO [stderr]    |
Dec 11 05:35:50.552 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 11 05:35:50.552 INFO [stderr] 
Dec 11 05:35:50.552 INFO [stderr] warning: unused imports: `Write`, `self`
Dec 11 05:35:50.552 INFO [stderr]   --> src/main.rs:12:15
Dec 11 05:35:50.552 INFO [stderr]    |
Dec 11 05:35:50.552 INFO [stderr] 12 | use std::io::{self, Write};
Dec 11 05:35:50.552 INFO [stderr]    |               ^^^^  ^^^^^
Dec 11 05:35:50.552 INFO [stderr] 
Dec 11 05:35:50.552 INFO [stderr] warning: unused import: `Header`
Dec 11 05:35:50.552 INFO [stderr]   --> src/main.rs:14:21
Dec 11 05:35:50.552 INFO [stderr]    |
Dec 11 05:35:50.552 INFO [stderr] 14 | use hyper::header::{Header, Protocol, ProtocolName};
Dec 11 05:35:50.552 INFO [stderr]    |                     ^^^^^^
Dec 11 05:35:50.552 INFO [stderr] 
Dec 11 05:35:50.700 INFO [stderr] warning: enum is never used: `FrameType`
Dec 11 05:35:50.700 INFO [stderr]  --> src/frame.rs:2:1
Dec 11 05:35:50.700 INFO [stderr]   |
Dec 11 05:35:50.700 INFO [stderr] 2 | pub enum FrameType
Dec 11 05:35:50.700 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 11 05:35:50.700 INFO [stderr]   |
Dec 11 05:35:50.700 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 05:35:50.700 INFO [stderr] 
Dec 11 05:35:50.700 INFO [stderr] warning: struct is never constructed: `Http2Frame`
Dec 11 05:35:50.700 INFO [stderr]   --> src/frame.rs:17:1
Dec 11 05:35:50.700 INFO [stderr]    |
Dec 11 05:35:50.700 INFO [stderr] 17 | pub struct Http2Frame
Dec 11 05:35:50.700 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
Dec 11 05:35:50.700 INFO [stderr] 
Dec 11 05:35:50.700 INFO [stderr] warning: enum is never used: `FrameType`
Dec 11 05:35:50.700 INFO [stderr]  --> src/frame.rs:2:1
Dec 11 05:35:50.700 INFO [stderr]   |
Dec 11 05:35:50.700 INFO [stderr] 2 | pub enum FrameType
Dec 11 05:35:50.700 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 11 05:35:50.700 INFO [stderr]   |
Dec 11 05:35:50.700 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 05:35:50.700 INFO [stderr] 
Dec 11 05:35:50.700 INFO [stderr] warning: struct is never constructed: `Http2Frame`
Dec 11 05:35:50.700 INFO [stderr]   --> src/frame.rs:17:1
Dec 11 05:35:50.700 INFO [stderr]    |
Dec 11 05:35:50.700 INFO [stderr] 17 | pub struct Http2Frame
Dec 11 05:35:50.700 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
Dec 11 05:35:50.700 INFO [stderr] 
Dec 11 05:35:50.724 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 05:35:50.724 INFO [stderr]   --> src/main.rs:48:5
Dec 11 05:35:50.724 INFO [stderr]    |
Dec 11 05:35:50.724 INFO [stderr] 48 |     core.run(worker);
Dec 11 05:35:50.724 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 11 05:35:50.724 INFO [stderr]    |
Dec 11 05:35:50.724 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 05:35:50.724 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 05:35:50.724 INFO [stderr] 
Dec 11 05:35:50.728 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 05:35:50.728 INFO [stderr]   --> src/main.rs:48:5
Dec 11 05:35:50.728 INFO [stderr]    |
Dec 11 05:35:50.728 INFO [stderr] 48 |     core.run(worker);
Dec 11 05:35:50.728 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 11 05:35:50.728 INFO [stderr]    |
Dec 11 05:35:50.728 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 05:35:50.728 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 05:35:50.728 INFO [stderr] 
Dec 11 05:35:50.784 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.80s
Dec 11 05:35:50.792 INFO [stderr] su: No module specific data is present
Dec 11 05:35:53.746 INFO running `"docker" "inspect" "d9c9510fa703dca63a20316f4fd3b902bed66ee816c90073b29f552f57763b33"`
Dec 11 05:35:54.036 INFO running `"docker" "rm" "-f" "d9c9510fa703dca63a20316f4fd3b902bed66ee816c90073b29f552f57763b33"`
Dec 11 05:35:54.444 INFO [stdout] d9c9510fa703dca63a20316f4fd3b902bed66ee816c90073b29f552f57763b33