[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/beta-1.38-1/sources/1.37.0/gh/5893/simple-http-server"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/5893/simple-http-server'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/5893/simple-http-server" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/5893/simple-http-server"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of 5893/simple-http-server on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing 5893/simple-http-server against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] ea307649d56d256997bd849b99c803c94204bbef33ace7e4d8c28dd7257fa3a1
[INFO] running `"docker" "start" "-a" "ea307649d56d256997bd849b99c803c94204bbef33ace7e4d8c28dd7257fa3a1"`
[INFO] [stderr]    Compiling tokio-sync v0.1.4
[INFO] [stderr]    Compiling want v0.0.6
[INFO] [stderr]    Compiling tokio-executor v0.1.7
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling tokio-timer v0.2.10
[INFO] [stderr]    Compiling tokio-threadpool v0.1.13
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling http v0.1.17
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling tokio v0.1.18
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling h2 v0.1.18
[INFO] [stderr]    Compiling hyper v0.12.27
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 36.99s
[INFO] running `"docker" "inspect" "ea307649d56d256997bd849b99c803c94204bbef33ace7e4d8c28dd7257fa3a1"`
[INFO] running `"docker" "rm" "-f" "ea307649d56d256997bd849b99c803c94204bbef33ace7e4d8c28dd7257fa3a1"`
[INFO] [stdout] ea307649d56d256997bd849b99c803c94204bbef33ace7e4d8c28dd7257fa3a1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] db094ed13c88285dd000a8c9c981095751e974548089f31660583a566131144f
[INFO] running `"docker" "start" "-a" "db094ed13c88285dd000a8c9c981095751e974548089f31660583a566131144f"`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `"docker" "inspect" "db094ed13c88285dd000a8c9c981095751e974548089f31660583a566131144f"`
[INFO] running `"docker" "rm" "-f" "db094ed13c88285dd000a8c9c981095751e974548089f31660583a566131144f"`
[INFO] [stdout] db094ed13c88285dd000a8c9c981095751e974548089f31660583a566131144f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 8182d9ed90d9dacc98f7835268dd8676892fc8c5d19a39bf06b07de76e9bacdf
[INFO] running `"docker" "start" "-a" "8182d9ed90d9dacc98f7835268dd8676892fc8c5d19a39bf06b07de76e9bacdf"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/simple_http_server-313b268fdbdae8e1
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests simple-http-server
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "8182d9ed90d9dacc98f7835268dd8676892fc8c5d19a39bf06b07de76e9bacdf"`
[INFO] running `"docker" "rm" "-f" "8182d9ed90d9dacc98f7835268dd8676892fc8c5d19a39bf06b07de76e9bacdf"`
[INFO] [stdout] 8182d9ed90d9dacc98f7835268dd8676892fc8c5d19a39bf06b07de76e9bacdf