[INFO] crate sozu 0.11.0 is already in cache
[INFO] extracting crate sozu 0.11.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/sozu/0.11.0
[INFO] extracting crate sozu 0.11.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/sozu/0.11.0
[INFO] validating manifest of sozu-0.11.0 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 sozu-0.11.0 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 sozu-0.11.0
[INFO] finished frobbing sozu-0.11.0
[INFO] frobbed toml for sozu-0.11.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/sozu/0.11.0/Cargo.toml
[INFO] started frobbing sozu-0.11.0
[INFO] finished frobbing sozu-0.11.0
[INFO] frobbed toml for sozu-0.11.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/sozu/0.11.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing sozu-0.11.0 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/reg/sozu/0.11.0:/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] 4f7f0ed6162ed5aecc8d70deb9a080adb31d7f0cc96edc5b7e1fb37817c0e9d5
[INFO] running `"docker" "start" "-a" "4f7f0ed6162ed5aecc8d70deb9a080adb31d7f0cc96edc5b7e1fb37817c0e9d5"`
[INFO] [stderr]    Compiling nom v2.2.1
[INFO] [stderr]    Compiling procinfo v0.4.2
[INFO] [stderr]    Compiling rustls v0.13.1
[INFO] [stderr]    Compiling hdrhistogram v6.3.4
[INFO] [stderr]    Compiling sozu-command-lib v0.11.0
[INFO] [stderr]    Compiling sozu-lib v0.11.0
[INFO] [stderr]    Compiling sozu v0.11.0 (/opt/crater/workdir)
[INFO] [stderr] warning: struct is never constructed: `FutureProcessing`
[INFO] [stderr]    --> src/command/executor.rs:219:1
[INFO] [stderr]     |
[INFO] [stderr] 219 | pub struct FutureProcessing {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `send_processing`
[INFO] [stderr]    --> src/command/executor.rs:250:1
[INFO] [stderr]     |
[INFO] [stderr] 250 | pub fn send_processing(worker_id: Token, message: ProxyRequest) -> (FutureProcessing, FutureAnswer) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 36s
[INFO] running `"docker" "inspect" "4f7f0ed6162ed5aecc8d70deb9a080adb31d7f0cc96edc5b7e1fb37817c0e9d5"`
[INFO] running `"docker" "rm" "-f" "4f7f0ed6162ed5aecc8d70deb9a080adb31d7f0cc96edc5b7e1fb37817c0e9d5"`
[INFO] [stdout] 4f7f0ed6162ed5aecc8d70deb9a080adb31d7f0cc96edc5b7e1fb37817c0e9d5
[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/reg/sozu/0.11.0:/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] 23a0949c5fa822be3d041423fe22867856090342146b852fb86d2d0234a21ebb
[INFO] running `"docker" "start" "-a" "23a0949c5fa822be3d041423fe22867856090342146b852fb86d2d0234a21ebb"`
[INFO] [stderr]    Compiling sozu v0.11.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `futures::executor::spawn`
[INFO] [stderr]    --> src/command/executor.rs:277:7
[INFO] [stderr]     |
[INFO] [stderr] 277 |   use futures::executor::spawn;
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures::task`
[INFO] [stderr]    --> src/command/executor.rs:278:7
[INFO] [stderr]     |
[INFO] [stderr] 278 |   use futures::task;
[INFO] [stderr]     |       ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `result`
[INFO] [stderr]    --> src/command/executor.rs:279:31
[INFO] [stderr]     |
[INFO] [stderr] 279 |   use futures::future::{lazy, result};
[INFO] [stderr]     |                               ^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.13s
[INFO] running `"docker" "inspect" "23a0949c5fa822be3d041423fe22867856090342146b852fb86d2d0234a21ebb"`
[INFO] running `"docker" "rm" "-f" "23a0949c5fa822be3d041423fe22867856090342146b852fb86d2d0234a21ebb"`
[INFO] [stdout] 23a0949c5fa822be3d041423fe22867856090342146b852fb86d2d0234a21ebb
[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/reg/sozu/0.11.0:/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] 1cba867407ab36d0c4981b4030cfb5878ceab2262b90c100757966f3927eb0dd
[INFO] running `"docker" "start" "-a" "1cba867407ab36d0c4981b4030cfb5878ceab2262b90c100757966f3927eb0dd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sozu-ae0e4201ff3a105d
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test command::executor::tests::executor ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "1cba867407ab36d0c4981b4030cfb5878ceab2262b90c100757966f3927eb0dd"`
[INFO] running `"docker" "rm" "-f" "1cba867407ab36d0c4981b4030cfb5878ceab2262b90c100757966f3927eb0dd"`
[INFO] [stdout] 1cba867407ab36d0c4981b4030cfb5878ceab2262b90c100757966f3927eb0dd