[INFO] updating cached repository shqld/rust-http-etude
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/shqld/rust-http-etude
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/shqld/rust-http-etude" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/shqld/rust-http-etude"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/shqld/rust-http-etude'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/shqld/rust-http-etude" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/shqld/rust-http-etude"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/shqld/rust-http-etude'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b634f402f253dad9bd2b6772b906a891a863684c
[INFO] sha for GitHub repo shqld/rust-http-etude: b634f402f253dad9bd2b6772b906a891a863684c
[INFO] validating manifest of shqld/rust-http-etude on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of shqld/rust-http-etude on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing shqld/rust-http-etude
[INFO] finished frobbing shqld/rust-http-etude
[INFO] frobbed toml for shqld/rust-http-etude written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/shqld/rust-http-etude/Cargo.toml
[INFO] started frobbing shqld/rust-http-etude
[INFO] finished frobbing shqld/rust-http-etude
[INFO] frobbed toml for shqld/rust-http-etude written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/shqld/rust-http-etude/Cargo.toml
[INFO] crate shqld/rust-http-etude already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking shqld/rust-http-etude against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-2/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/shqld/rust-http-etude:/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 62015cbf425c0f4fe4a5b909c34bef6a5f0f10d9f88c9e066d5d7410a39b514b
[INFO] running `"docker" "start" "-a" "62015cbf425c0f4fe4a5b909c34bef6a5f0f10d9f88c9e066d5d7410a39b514b"`
[INFO] [stderr]     Checking tokio-sync v0.1.4
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio-threadpool v0.1.13
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio v0.1.18
[INFO] [stderr]     Checking rust-server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `BufRead`, `BufReader`, `Read`, `Take`
[INFO] [stderr]  --> src/main.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::{BufRead, BufReader, Read, Take};
[INFO] [stderr]   |               ^^^^^^^  ^^^^^^^^^  ^^^^  ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufRead`, `BufReader`, `Read`, `Take`
[INFO] [stderr]  --> src/main.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::{BufRead, BufReader, Read, Take};
[INFO] [stderr]   |               ^^^^^^^  ^^^^^^^^^  ^^^^  ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `HttpRequest`
[INFO] [stderr]  --> src/http/req.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct HttpRequest<'a, T> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/http/req.rs:11:3
[INFO] [stderr]    |
[INFO] [stderr] 11 |   pub fn new(uri: &'a str, method: HttpMethod, headers: HttpHeaderMap, body: T) -> HttpRequest<T> {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `uri`
[INFO] [stderr]   --> src/http/req.rs:21:3
[INFO] [stderr]    |
[INFO] [stderr] 21 |   pub fn uri(&self) -> &str {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `method`
[INFO] [stderr]   --> src/http/req.rs:26:3
[INFO] [stderr]    |
[INFO] [stderr] 26 |   pub fn method(&self) -> &HttpMethod {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `headers`
[INFO] [stderr]   --> src/http/req.rs:31:3
[INFO] [stderr]    |
[INFO] [stderr] 31 |   pub fn headers(&self) -> &HttpHeaderMap {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `body`
[INFO] [stderr]   --> src/http/req.rs:36:3
[INFO] [stderr]    |
[INFO] [stderr] 36 |   pub fn body(&self) -> &T {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `body_mut`
[INFO] [stderr]   --> src/http/req.rs:41:3
[INFO] [stderr]    |
[INFO] [stderr] 41 |   pub fn body_mut(&mut self) -> &mut T {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `into_body`
[INFO] [stderr]   --> src/http/req.rs:46:3
[INFO] [stderr]    |
[INFO] [stderr] 46 |   pub fn into_body(self) -> T {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `body`
[INFO] [stderr]   --> src/message.rs:79:3
[INFO] [stderr]    |
[INFO] [stderr] 79 |   pub fn body(&self) -> &Option<Take<BufReader<&'a TcpStream>>> {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `HttpRequest`
[INFO] [stderr]  --> src/http/req.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct HttpRequest<'a, T> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/http/req.rs:11:3
[INFO] [stderr]    |
[INFO] [stderr] 11 |   pub fn new(uri: &'a str, method: HttpMethod, headers: HttpHeaderMap, body: T) -> HttpRequest<T> {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `uri`
[INFO] [stderr]   --> src/http/req.rs:21:3
[INFO] [stderr]    |
[INFO] [stderr] 21 |   pub fn uri(&self) -> &str {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `method`
[INFO] [stderr]   --> src/http/req.rs:26:3
[INFO] [stderr]    |
[INFO] [stderr] 26 |   pub fn method(&self) -> &HttpMethod {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `headers`
[INFO] [stderr]   --> src/http/req.rs:31:3
[INFO] [stderr]    |
[INFO] [stderr] 31 |   pub fn headers(&self) -> &HttpHeaderMap {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `body`
[INFO] [stderr]   --> src/http/req.rs:36:3
[INFO] [stderr]    |
[INFO] [stderr] 36 |   pub fn body(&self) -> &T {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `body_mut`
[INFO] [stderr]   --> src/http/req.rs:41:3
[INFO] [stderr]    |
[INFO] [stderr] 41 |   pub fn body_mut(&mut self) -> &mut T {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `into_body`
[INFO] [stderr]   --> src/http/req.rs:46:3
[INFO] [stderr]    |
[INFO] [stderr] 46 |   pub fn into_body(self) -> T {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `body`
[INFO] [stderr]   --> src/message.rs:79:3
[INFO] [stderr]    |
[INFO] [stderr] 79 |   pub fn body(&self) -> &Option<Take<BufReader<&'a TcpStream>>> {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.75s
[INFO] running `"docker" "inspect" "62015cbf425c0f4fe4a5b909c34bef6a5f0f10d9f88c9e066d5d7410a39b514b"`
[INFO] running `"docker" "rm" "-f" "62015cbf425c0f4fe4a5b909c34bef6a5f0f10d9f88c9e066d5d7410a39b514b"`
[INFO] [stdout] 62015cbf425c0f4fe4a5b909c34bef6a5f0f10d9f88c9e066d5d7410a39b514b