[INFO] updating cached repository pbhandari/teapot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/pbhandari/teapot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/pbhandari/teapot" "work/ex/beta-1.38-1/sources/1.37.0/gh/pbhandari/teapot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/pbhandari/teapot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/pbhandari/teapot" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/pbhandari/teapot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/pbhandari/teapot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8baad85866d08a74b1fc69fcbcbc708af94f7956
[INFO] sha for GitHub repo pbhandari/teapot: 8baad85866d08a74b1fc69fcbcbc708af94f7956
[INFO] validating manifest of pbhandari/teapot 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 pbhandari/teapot 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 pbhandari/teapot
[INFO] finished frobbing pbhandari/teapot
[INFO] frobbed toml for pbhandari/teapot written to work/ex/beta-1.38-1/sources/1.37.0/gh/pbhandari/teapot/Cargo.toml
[INFO] started frobbing pbhandari/teapot
[INFO] finished frobbing pbhandari/teapot
[INFO] frobbed toml for pbhandari/teapot written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/pbhandari/teapot/Cargo.toml
[INFO] crate pbhandari/teapot 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing pbhandari/teapot 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-0/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/pbhandari/teapot:/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] 3b35e4bfc021acae1f74caa8af4301ebdfc6a14e3789bea6c679ae3ed5903218
[INFO] running `"docker" "start" "-a" "3b35e4bfc021acae1f74caa8af4301ebdfc6a14e3789bea6c679ae3ed5903218"`
[INFO] [stderr]    Compiling teapot v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Shutdown`
[INFO] [stderr]  --> src/server.rs:1:44
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::net::{TcpListener, ToSocketAddrs, Shutdown};
[INFO] [stderr]   |                                            ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `headers`
[INFO] [stderr]   --> src/connection.rs:50:46
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn write_headers(&mut self, status: u32, headers: HashMap<String, String>) {
[INFO] [stderr]    |                                              ^^^^^^^ help: consider prefixing with an underscore: `_headers`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file_name`
[INFO] [stderr]   --> src/connection.rs:65:30
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fn write_file(&mut self, file_name : String) {
[INFO] [stderr]    |                              ^^^^^^^^^ help: consider prefixing with an underscore: `_file_name`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `rtype`
[INFO] [stderr]   --> src/request.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     rtype     : RequestType,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `version`
[INFO] [stderr]   --> src/request.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     version   : HttpVersion,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `"docker" "inspect" "3b35e4bfc021acae1f74caa8af4301ebdfc6a14e3789bea6c679ae3ed5903218"`
[INFO] running `"docker" "rm" "-f" "3b35e4bfc021acae1f74caa8af4301ebdfc6a14e3789bea6c679ae3ed5903218"`
[INFO] [stdout] 3b35e4bfc021acae1f74caa8af4301ebdfc6a14e3789bea6c679ae3ed5903218
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/pbhandari/teapot:/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] 525dc4aaab90f92dbd2401a8ffe1a650922bf981f3234fb6476d315271efb214
[INFO] running `"docker" "start" "-a" "525dc4aaab90f92dbd2401a8ffe1a650922bf981f3234fb6476d315271efb214"`
[INFO] [stderr]    Compiling teapot v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Shutdown`
[INFO] [stderr]  --> src/server.rs:1:44
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::net::{TcpListener, ToSocketAddrs, Shutdown};
[INFO] [stderr]   |                                            ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `headers`
[INFO] [stderr]   --> src/connection.rs:50:46
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn write_headers(&mut self, status: u32, headers: HashMap<String, String>) {
[INFO] [stderr]    |                                              ^^^^^^^ help: consider prefixing with an underscore: `_headers`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file_name`
[INFO] [stderr]   --> src/connection.rs:65:30
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fn write_file(&mut self, file_name : String) {
[INFO] [stderr]    |                              ^^^^^^^^^ help: consider prefixing with an underscore: `_file_name`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `rtype`
[INFO] [stderr]   --> src/request.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     rtype     : RequestType,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `version`
[INFO] [stderr]   --> src/request.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     version   : HttpVersion,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `"docker" "inspect" "525dc4aaab90f92dbd2401a8ffe1a650922bf981f3234fb6476d315271efb214"`
[INFO] running `"docker" "rm" "-f" "525dc4aaab90f92dbd2401a8ffe1a650922bf981f3234fb6476d315271efb214"`
[INFO] [stdout] 525dc4aaab90f92dbd2401a8ffe1a650922bf981f3234fb6476d315271efb214
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/pbhandari/teapot:/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] 83da6ae0bac42e720d06c4ceb2f3de4b8bee605b6c82db5aad1aeedf5ced1010
[INFO] running `"docker" "start" "-a" "83da6ae0bac42e720d06c4ceb2f3de4b8bee605b6c82db5aad1aeedf5ced1010"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/teapot-a18cf546eef8d9dc
[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" "83da6ae0bac42e720d06c4ceb2f3de4b8bee605b6c82db5aad1aeedf5ced1010"`
[INFO] running `"docker" "rm" "-f" "83da6ae0bac42e720d06c4ceb2f3de4b8bee605b6c82db5aad1aeedf5ced1010"`
[INFO] [stdout] 83da6ae0bac42e720d06c4ceb2f3de4b8bee605b6c82db5aad1aeedf5ced1010