[INFO] updating cached repository AndyBitz/rust-http-server-test
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/AndyBitz/rust-http-server-test
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/AndyBitz/rust-http-server-test" "work/ex/beta-1.38-1/sources/1.37.0/gh/AndyBitz/rust-http-server-test"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/AndyBitz/rust-http-server-test'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/AndyBitz/rust-http-server-test" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/AndyBitz/rust-http-server-test"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/AndyBitz/rust-http-server-test'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7be028f92ad8af424f33922c4b2add61ed61fee8
[INFO] sha for GitHub repo AndyBitz/rust-http-server-test: 7be028f92ad8af424f33922c4b2add61ed61fee8
[INFO] validating manifest of AndyBitz/rust-http-server-test 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 AndyBitz/rust-http-server-test 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 AndyBitz/rust-http-server-test
[INFO] finished frobbing AndyBitz/rust-http-server-test
[INFO] frobbed toml for AndyBitz/rust-http-server-test written to work/ex/beta-1.38-1/sources/1.37.0/gh/AndyBitz/rust-http-server-test/Cargo.toml
[INFO] started frobbing AndyBitz/rust-http-server-test
[INFO] finished frobbing AndyBitz/rust-http-server-test
[INFO] frobbed toml for AndyBitz/rust-http-server-test written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/AndyBitz/rust-http-server-test/Cargo.toml
[INFO] crate AndyBitz/rust-http-server-test 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 AndyBitz/rust-http-server-test 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-4/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/AndyBitz/rust-http-server-test:/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] 2ee15dca33c2b4277283d39afd70b0f23ecbb12e0636cf9aea60be897e0274b4
[INFO] running `"docker" "start" "-a" "2ee15dca33c2b4277283d39afd70b0f23ecbb12e0636cf9aea60be897e0274b4"`
[INFO] [stderr]    Compiling rust-server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `buffer`
[INFO] [stderr]   --> src/request/mod.rs:39:21
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn from_tls(buffer: &mut Vec<u8>, stream: TcpStream) -> Self {
[INFO] [stderr]    |                     ^^^^^^ help: consider prefixing with an underscore: `_buffer`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stream`
[INFO] [stderr]   --> src/request/mod.rs:39:43
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn from_tls(buffer: &mut Vec<u8>, stream: TcpStream) -> Self {
[INFO] [stderr]    |                                           ^^^^^^ help: consider prefixing with an underscore: `_stream`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `is_tls`
[INFO] [stderr]  --> src/request/mod.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     is_tls: bool,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `body`
[INFO] [stderr]   --> src/request/mod.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     body: Option<BufReader<TcpStream>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `"docker" "inspect" "2ee15dca33c2b4277283d39afd70b0f23ecbb12e0636cf9aea60be897e0274b4"`
[INFO] running `"docker" "rm" "-f" "2ee15dca33c2b4277283d39afd70b0f23ecbb12e0636cf9aea60be897e0274b4"`
[INFO] [stdout] 2ee15dca33c2b4277283d39afd70b0f23ecbb12e0636cf9aea60be897e0274b4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/AndyBitz/rust-http-server-test:/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] c7a8ce6fd993bd4caeb2771c8d57d8d742240e01b5bb925d30e66ebe1aa6bdf7
[INFO] running `"docker" "start" "-a" "c7a8ce6fd993bd4caeb2771c8d57d8d742240e01b5bb925d30e66ebe1aa6bdf7"`
[INFO] [stderr]    Compiling rust-server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `buffer`
[INFO] [stderr]   --> src/request/mod.rs:39:21
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn from_tls(buffer: &mut Vec<u8>, stream: TcpStream) -> Self {
[INFO] [stderr]    |                     ^^^^^^ help: consider prefixing with an underscore: `_buffer`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stream`
[INFO] [stderr]   --> src/request/mod.rs:39:43
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn from_tls(buffer: &mut Vec<u8>, stream: TcpStream) -> Self {
[INFO] [stderr]    |                                           ^^^^^^ help: consider prefixing with an underscore: `_stream`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `is_tls`
[INFO] [stderr]  --> src/request/mod.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     is_tls: bool,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `body`
[INFO] [stderr]   --> src/request/mod.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     body: Option<BufReader<TcpStream>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `"docker" "inspect" "c7a8ce6fd993bd4caeb2771c8d57d8d742240e01b5bb925d30e66ebe1aa6bdf7"`
[INFO] running `"docker" "rm" "-f" "c7a8ce6fd993bd4caeb2771c8d57d8d742240e01b5bb925d30e66ebe1aa6bdf7"`
[INFO] [stdout] c7a8ce6fd993bd4caeb2771c8d57d8d742240e01b5bb925d30e66ebe1aa6bdf7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/AndyBitz/rust-http-server-test:/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] 23d08ac1bdf549d7967f0ca91f6ad075aae6bfbc500c7fc001785353ab05cd78
[INFO] running `"docker" "start" "-a" "23d08ac1bdf549d7967f0ca91f6ad075aae6bfbc500c7fc001785353ab05cd78"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_server-2d3bf69b1469c568
[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" "23d08ac1bdf549d7967f0ca91f6ad075aae6bfbc500c7fc001785353ab05cd78"`
[INFO] running `"docker" "rm" "-f" "23d08ac1bdf549d7967f0ca91f6ad075aae6bfbc500c7fc001785353ab05cd78"`
[INFO] [stdout] 23d08ac1bdf549d7967f0ca91f6ad075aae6bfbc500c7fc001785353ab05cd78