[INFO] updating cached repository ademonov/pfbackend
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ademonov/pfbackend
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ademonov/pfbackend" "work/ex/beta-1.37-6/sources/1.36.0/gh/ademonov/pfbackend"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/ademonov/pfbackend'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ademonov/pfbackend" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ademonov/pfbackend"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ademonov/pfbackend'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9f03dc3071591d7ec10e198c7fb0938b0112d51a
[INFO] sha for GitHub repo ademonov/pfbackend: 9f03dc3071591d7ec10e198c7fb0938b0112d51a
[INFO] validating manifest of ademonov/pfbackend on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ademonov/pfbackend on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ademonov/pfbackend
[INFO] finished frobbing ademonov/pfbackend
[INFO] frobbed toml for ademonov/pfbackend written to work/ex/beta-1.37-6/sources/1.36.0/gh/ademonov/pfbackend/Cargo.toml
[INFO] started frobbing ademonov/pfbackend
[INFO] finished frobbing ademonov/pfbackend
[INFO] frobbed toml for ademonov/pfbackend written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ademonov/pfbackend/Cargo.toml
[INFO] crate ademonov/pfbackend already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing ademonov/pfbackend against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/ademonov/pfbackend:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] b389799687d8002f7ca02d4e7f45f76ae8d93d14b0bf2b273f26138200af7914
[INFO] running `"docker" "start" "-a" "b389799687d8002f7ca02d4e7f45f76ae8d93d14b0bf2b273f26138200af7914"`
[INFO] [stderr]    Compiling iovec v0.1.1
[INFO] [stderr]    Compiling net2 v0.2.31
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stderr]    Compiling relay v0.1.0
[INFO] [stderr]    Compiling futures-cpupool v0.1.7
[INFO] [stderr]    Compiling mime v0.3.5
[INFO] [stderr]    Compiling bytes v0.4.5
[INFO] [stderr]    Compiling mio v0.6.11
[INFO] [stderr]    Compiling tokio-io v0.1.3
[INFO] [stderr]    Compiling tokio-core v0.1.10
[INFO] [stderr]    Compiling tokio-proto v0.1.1
[INFO] [stderr]    Compiling hyper v0.11.6
[INFO] [stderr]    Compiling pfbackend v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning[E0170]: pattern binding `Http11` is named the same as one of the variants of the type `hyper::HttpVersion`
[INFO] [stderr]   --> src/main.rs:34:14
[INFO] [stderr]    |
[INFO] [stderr] 34 |             (Http11, None) => Some(Connection::keep_alive()),
[INFO] [stderr]    |              ^^^^^^ help: to match on the variant, qualify the path: `hyper::HttpVersion::Http11`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/main.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |             _ => None,
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `Http11`
[INFO] [stderr]   --> src/main.rs:34:14
[INFO] [stderr]    |
[INFO] [stderr] 34 |             (Http11, None) => Some(Connection::keep_alive()),
[INFO] [stderr]    |              ^^^^^^ help: consider prefixing with an underscore: `_Http11`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `body`
[INFO] [stderr]   --> src/main.rs:52:50
[INFO] [stderr]    |
[INFO] [stderr] 52 |         let (method, uri, http_version, headers, body) = req.deconstruct();
[INFO] [stderr]    |                                                  ^^^^ help: consider prefixing with an underscore: `_body`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Http11` should have a snake case name
[INFO] [stderr]   --> src/main.rs:34:14
[INFO] [stderr]    |
[INFO] [stderr] 34 |             (Http11, None) => Some(Connection::keep_alive()),
[INFO] [stderr]    |              ^^^^^^ help: convert the identifier to snake case: `http11`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.85s
[INFO] running `"docker" "inspect" "b389799687d8002f7ca02d4e7f45f76ae8d93d14b0bf2b273f26138200af7914"`
[INFO] running `"docker" "rm" "-f" "b389799687d8002f7ca02d4e7f45f76ae8d93d14b0bf2b273f26138200af7914"`
[INFO] [stdout] b389799687d8002f7ca02d4e7f45f76ae8d93d14b0bf2b273f26138200af7914
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/ademonov/pfbackend:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] cdc3631732a3081016a7e1178860ef0c0181e64fbf4150383cffe2c8886fc0e0
[INFO] running `"docker" "start" "-a" "cdc3631732a3081016a7e1178860ef0c0181e64fbf4150383cffe2c8886fc0e0"`
[INFO] [stderr]    Compiling pfbackend v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning[E0170]: pattern binding `Http11` is named the same as one of the variants of the type `hyper::HttpVersion`
[INFO] [stderr]   --> src/main.rs:34:14
[INFO] [stderr]    |
[INFO] [stderr] 34 |             (Http11, None) => Some(Connection::keep_alive()),
[INFO] [stderr]    |              ^^^^^^ help: to match on the variant, qualify the path: `hyper::HttpVersion::Http11`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/main.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |             _ => None,
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `Http11`
[INFO] [stderr]   --> src/main.rs:34:14
[INFO] [stderr]    |
[INFO] [stderr] 34 |             (Http11, None) => Some(Connection::keep_alive()),
[INFO] [stderr]    |              ^^^^^^ help: consider prefixing with an underscore: `_Http11`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `body`
[INFO] [stderr]   --> src/main.rs:52:50
[INFO] [stderr]    |
[INFO] [stderr] 52 |         let (method, uri, http_version, headers, body) = req.deconstruct();
[INFO] [stderr]    |                                                  ^^^^ help: consider prefixing with an underscore: `_body`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Http11` should have a snake case name
[INFO] [stderr]   --> src/main.rs:34:14
[INFO] [stderr]    |
[INFO] [stderr] 34 |             (Http11, None) => Some(Connection::keep_alive()),
[INFO] [stderr]    |              ^^^^^^ help: convert the identifier to snake case: `http11`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `"docker" "inspect" "cdc3631732a3081016a7e1178860ef0c0181e64fbf4150383cffe2c8886fc0e0"`
[INFO] running `"docker" "rm" "-f" "cdc3631732a3081016a7e1178860ef0c0181e64fbf4150383cffe2c8886fc0e0"`
[INFO] [stdout] cdc3631732a3081016a7e1178860ef0c0181e64fbf4150383cffe2c8886fc0e0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/ademonov/pfbackend:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 6e17ae25218f3bd44f35608dd600b3c6f89c5f8a845c16cba4b644679a5ae251
[INFO] running `"docker" "start" "-a" "6e17ae25218f3bd44f35608dd600b3c6f89c5f8a845c16cba4b644679a5ae251"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/pfbackend-7a08e40956f866f8
[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" "6e17ae25218f3bd44f35608dd600b3c6f89c5f8a845c16cba4b644679a5ae251"`
[INFO] running `"docker" "rm" "-f" "6e17ae25218f3bd44f35608dd600b3c6f89c5f8a845c16cba4b644679a5ae251"`
[INFO] [stdout] 6e17ae25218f3bd44f35608dd600b3c6f89c5f8a845c16cba4b644679a5ae251