Nov 29 14:26:19.197 INFO checking yodang/http2c against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 29 14:26:19.197 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-0/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 29 14:26:19.746 INFO [stdout] 3b490c22b3914ee7933727843afcc70b2552f52b2d4976e59bd702ee06cc6a07
Nov 29 14:26:19.748 INFO running `"docker" "start" "-a" "3b490c22b3914ee7933727843afcc70b2552f52b2d4976e59bd702ee06cc6a07"`
Nov 29 14:26:22.163 INFO [stderr] usermod: no changes
Nov 29 14:26:22.332 INFO [stderr]     Checking libc v0.2.36
Nov 29 14:26:22.332 INFO [stderr]     Checking byteorder v1.2.1
Nov 29 14:26:22.332 INFO [stderr]     Checking futures v0.1.17
Nov 29 14:26:22.341 INFO [stderr]     Checking slab v0.4.0
Nov 29 14:26:22.341 INFO [stderr]     Checking httparse v1.2.4
Nov 29 14:26:22.347 INFO [stderr]     Checking log v0.4.1
Nov 29 14:26:22.347 INFO [stderr]    Compiling unicase v2.1.0
Nov 29 14:26:24.252 INFO [stderr]     Checking log v0.3.9
Nov 29 14:26:25.767 INFO [stderr]     Checking base64 v0.9.0
Nov 29 14:26:25.839 INFO [stderr]     Checking iovec v0.1.1
Nov 29 14:26:25.841 INFO [stderr]     Checking net2 v0.2.31
Nov 29 14:26:25.841 INFO [stderr]     Checking num_cpus v1.8.0
Nov 29 14:26:25.858 INFO [stderr]     Checking rand v0.3.20
Nov 29 14:26:25.858 INFO [stderr]     Checking time v0.1.39
Nov 29 14:26:26.770 INFO [stderr]     Checking bytes v0.4.6
Nov 29 14:26:27.881 INFO [stderr]     Checking mio v0.6.12
Nov 29 14:26:29.356 INFO [stderr]     Checking mime v0.3.5
Nov 29 14:26:32.776 INFO [stderr]     Checking tokio-io v0.1.4
Nov 29 14:26:32.776 INFO [stderr]     Checking tokio-service v0.1.0
Nov 29 14:26:32.776 INFO [stderr]     Checking relay v0.1.0
Nov 29 14:26:32.776 INFO [stderr]     Checking futures-cpupool v0.1.8
Nov 29 14:26:34.414 INFO [stderr]     Checking tokio-core v0.1.12
Nov 29 14:26:35.742 INFO [stderr]     Checking tokio-proto v0.1.1
Nov 29 14:26:37.896 INFO [stderr]     Checking hyper v0.11.15
Nov 29 14:26:42.883 INFO [stderr]     Checking http2c v0.1.0 (/source)
Nov 29 14:26:43.200 INFO [stderr] warning: unused import: `bytes::Bytes`
Nov 29 14:26:43.200 INFO [stderr]   --> src/main.rs:10:5
Nov 29 14:26:43.200 INFO [stderr]    |
Nov 29 14:26:43.200 INFO [stderr] 10 | use bytes::Bytes;
Nov 29 14:26:43.200 INFO [stderr]    |     ^^^^^^^^^^^^
Nov 29 14:26:43.200 INFO [stderr]    |
Nov 29 14:26:43.201 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 29 14:26:43.201 INFO [stderr] 
Nov 29 14:26:43.201 INFO [stderr] warning: unused imports: `Write`, `self`
Nov 29 14:26:43.201 INFO [stderr]   --> src/main.rs:12:15
Nov 29 14:26:43.201 INFO [stderr]    |
Nov 29 14:26:43.201 INFO [stderr] 12 | use std::io::{self, Write};
Nov 29 14:26:43.201 INFO [stderr]    |               ^^^^  ^^^^^
Nov 29 14:26:43.201 INFO [stderr] 
Nov 29 14:26:43.201 INFO [stderr] warning: unused import: `Header`
Nov 29 14:26:43.201 INFO [stderr]   --> src/main.rs:14:21
Nov 29 14:26:43.201 INFO [stderr]    |
Nov 29 14:26:43.201 INFO [stderr] 14 | use hyper::header::{Header, Protocol, ProtocolName};
Nov 29 14:26:43.201 INFO [stderr]    |                     ^^^^^^
Nov 29 14:26:43.201 INFO [stderr] 
Nov 29 14:26:43.230 INFO [stderr] warning: unused import: `bytes::Bytes`
Nov 29 14:26:43.230 INFO [stderr]   --> src/main.rs:10:5
Nov 29 14:26:43.230 INFO [stderr]    |
Nov 29 14:26:43.230 INFO [stderr] 10 | use bytes::Bytes;
Nov 29 14:26:43.230 INFO [stderr]    |     ^^^^^^^^^^^^
Nov 29 14:26:43.230 INFO [stderr]    |
Nov 29 14:26:43.230 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 29 14:26:43.230 INFO [stderr] 
Nov 29 14:26:43.230 INFO [stderr] warning: unused imports: `Write`, `self`
Nov 29 14:26:43.230 INFO [stderr]   --> src/main.rs:12:15
Nov 29 14:26:43.230 INFO [stderr]    |
Nov 29 14:26:43.230 INFO [stderr] 12 | use std::io::{self, Write};
Nov 29 14:26:43.230 INFO [stderr]    |               ^^^^  ^^^^^
Nov 29 14:26:43.230 INFO [stderr] 
Nov 29 14:26:43.230 INFO [stderr] warning: unused import: `Header`
Nov 29 14:26:43.230 INFO [stderr]   --> src/main.rs:14:21
Nov 29 14:26:43.230 INFO [stderr]    |
Nov 29 14:26:43.230 INFO [stderr] 14 | use hyper::header::{Header, Protocol, ProtocolName};
Nov 29 14:26:43.230 INFO [stderr]    |                     ^^^^^^
Nov 29 14:26:43.230 INFO [stderr] 
Nov 29 14:26:43.392 INFO [stderr] warning: enum is never used: `FrameType`
Nov 29 14:26:43.392 INFO [stderr]  --> src/frame.rs:2:1
Nov 29 14:26:43.392 INFO [stderr]   |
Nov 29 14:26:43.392 INFO [stderr] 2 | pub enum FrameType
Nov 29 14:26:43.392 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Nov 29 14:26:43.392 INFO [stderr] warning: enum is never used: `FrameType`
Nov 29 14:26:43.392 INFO [stderr]  --> src/frame.rs:2:1
Nov 29 14:26:43.392 INFO [stderr]   |
Nov 29 14:26:43.392 INFO [stderr] 2 | pub enum FrameType
Nov 29 14:26:43.392 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Nov 29 14:26:43.392 INFO [stderr]   |
Nov 29 14:26:43.392 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 29 14:26:43.392 INFO [stderr] 
Nov 29 14:26:43.392 INFO [stderr] warning: struct is never constructed: `Http2Frame`
Nov 29 14:26:43.392 INFO [stderr]   --> src/frame.rs:17:1
Nov 29 14:26:43.392 INFO [stderr]    |
Nov 29 14:26:43.392 INFO [stderr] 17 | pub struct Http2Frame
Nov 29 14:26:43.392 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:26:43.392 INFO [stderr] 
Nov 29 14:26:43.392 INFO [stderr]   |
Nov 29 14:26:43.392 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 29 14:26:43.393 INFO [stderr] 
Nov 29 14:26:43.393 INFO [stderr] warning: struct is never constructed: `Http2Frame`
Nov 29 14:26:43.393 INFO [stderr]   --> src/frame.rs:17:1
Nov 29 14:26:43.393 INFO [stderr]    |
Nov 29 14:26:43.393 INFO [stderr] 17 | pub struct Http2Frame
Nov 29 14:26:43.393 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:26:43.393 INFO [stderr] 
Nov 29 14:26:43.412 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 14:26:43.412 INFO [stderr]   --> src/main.rs:48:5
Nov 29 14:26:43.412 INFO [stderr]    |
Nov 29 14:26:43.412 INFO [stderr] 48 |     core.run(worker);
Nov 29 14:26:43.412 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Nov 29 14:26:43.416 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 14:26:43.416 INFO [stderr]   --> src/main.rs:48:5
Nov 29 14:26:43.416 INFO [stderr]    |
Nov 29 14:26:43.416 INFO [stderr] 48 |     core.run(worker);
Nov 29 14:26:43.416 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Nov 29 14:26:43.416 INFO [stderr]    |
Nov 29 14:26:43.416 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 29 14:26:43.416 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 14:26:43.416 INFO [stderr] 
Nov 29 14:26:43.416 INFO [stderr]    |
Nov 29 14:26:43.416 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 29 14:26:43.416 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 14:26:43.416 INFO [stderr] 
Nov 29 14:26:43.476 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.28s
Nov 29 14:26:43.492 INFO [stderr] su: No module specific data is present
Nov 29 14:26:44.529 INFO running `"docker" "inspect" "3b490c22b3914ee7933727843afcc70b2552f52b2d4976e59bd702ee06cc6a07"`
Nov 29 14:26:44.782 INFO running `"docker" "rm" "-f" "3b490c22b3914ee7933727843afcc70b2552f52b2d4976e59bd702ee06cc6a07"`
Nov 29 14:26:45.067 INFO [stdout] 3b490c22b3914ee7933727843afcc70b2552f52b2d4976e59bd702ee06cc6a07