[INFO] updating cached repository 5893/simple-http-server
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/5893/simple-http-server
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/5893/simple-http-server" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/5893/simple-http-server"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/5893/simple-http-server'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/5893/simple-http-server" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/5893/simple-http-server"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/5893/simple-http-server'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1ef3e0ee300f8ce3489afebc65288fa8a871123a
[INFO] sha for GitHub repo 5893/simple-http-server: 1ef3e0ee300f8ce3489afebc65288fa8a871123a
[INFO] validating manifest of 5893/simple-http-server 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 5893/simple-http-server 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 5893/simple-http-server
[INFO] finished frobbing 5893/simple-http-server
[INFO] frobbed toml for 5893/simple-http-server written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/5893/simple-http-server/Cargo.toml
[INFO] started frobbing 5893/simple-http-server
[INFO] finished frobbing 5893/simple-http-server
[INFO] frobbed toml for 5893/simple-http-server written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/5893/simple-http-server/Cargo.toml
[INFO] crate 5893/simple-http-server 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 5893/simple-http-server against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-3/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/5893/simple-http-server:/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] cf9c3d0e031e74f7e7c85d1f6294c511e13425f766b263478d0db82560dbe269
[INFO] running `"docker" "start" "-a" "cf9c3d0e031e74f7e7c85d1f6294c511e13425f766b263478d0db82560dbe269"`
[INFO] [stderr]     Checking tokio v0.1.18
[INFO] [stderr]     Checking hyper v0.12.27
[INFO] [stderr]     Checking simple-http-server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: irrefutable while-let pattern
[INFO] [stderr]   --> src/client/request.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | /     while let read_in = reader.get_mut().fill_buf().expect("error: ") {
[INFO] [stderr] 14 | |         stream.write(read_in).expect("error: ");
[INFO] [stderr] 15 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arr`
[INFO] [stderr]   --> src/server/server.rs:20:21
[INFO] [stderr]    |
[INFO] [stderr] 20 |                 let arr = method_line.split("/");
[INFO] [stderr]    |                     ^^^ help: consider prefixing with an underscore: `_arr`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `main`
[INFO] [stderr]  --> src/client/request.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn main() {
[INFO] [stderr]   | ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `method`
[INFO] [stderr]  --> src/server/server.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     method: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `version`
[INFO] [stderr]  --> src/server/server.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     version: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `status_code`
[INFO] [stderr]   --> src/server/server.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     status_code: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `host`
[INFO] [stderr]   --> src/server/server.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     host: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `headers`
[INFO] [stderr]   --> src/server/server.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     headers: HashMap<String, String>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/server/server.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn new(&mut self, request_str: &str) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: irrefutable while-let pattern
[INFO] [stderr]   --> src/client/request.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | /     while let read_in = reader.get_mut().fill_buf().expect("error: ") {
[INFO] [stderr] 14 | |         stream.write(read_in).expect("error: ");
[INFO] [stderr] 15 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arr`
[INFO] [stderr]   --> src/server/server.rs:20:21
[INFO] [stderr]    |
[INFO] [stderr] 20 |                 let arr = method_line.split("/");
[INFO] [stderr]    |                     ^^^ help: consider prefixing with an underscore: `_arr`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `main`
[INFO] [stderr]  --> src/client/request.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn main() {
[INFO] [stderr]   | ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `method`
[INFO] [stderr]  --> src/server/server.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     method: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `version`
[INFO] [stderr]  --> src/server/server.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     version: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `status_code`
[INFO] [stderr]   --> src/server/server.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     status_code: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `host`
[INFO] [stderr]   --> src/server/server.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     host: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `headers`
[INFO] [stderr]   --> src/server/server.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     headers: HashMap<String, String>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/server/server.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn new(&mut self, request_str: &str) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.30s
[INFO] running `"docker" "inspect" "cf9c3d0e031e74f7e7c85d1f6294c511e13425f766b263478d0db82560dbe269"`
[INFO] running `"docker" "rm" "-f" "cf9c3d0e031e74f7e7c85d1f6294c511e13425f766b263478d0db82560dbe269"`
[INFO] [stdout] cf9c3d0e031e74f7e7c85d1f6294c511e13425f766b263478d0db82560dbe269