[INFO] crate tower 0.1.1 is already in cache
[INFO] testing tower-0.1.1 against 1.38.0 for beta-1.39-1
[INFO] extracting crate tower 0.1.1 into work/builds/worker-0/source
[INFO] validating manifest of crates.io crate tower 0.1.1 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate tower 0.1.1
[INFO] finished tweaking crates.io crate tower 0.1.1
[INFO] tweaked toml for crates.io crate tower 0.1.1 written to work/builds/worker-0/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 9df24e601f7d09b929036da9b6ca80ccf8fa3af9d7d53cd8db622d3146740266
[INFO] running `"docker" "start" "-a" "9df24e601f7d09b929036da9b6ca80ccf8fa3af9d7d53cd8db622d3146740266"`
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling tower-service v0.2.0
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling tracing-core v0.1.6
[INFO] [stderr]    Compiling tower-layer v0.1.0
[INFO] [stderr]    Compiling tower-discover v0.1.0
[INFO] [stderr]    Compiling tower-load-shed v0.1.0
[INFO] [stderr]    Compiling tower-util v0.1.0
[INFO] [stderr]    Compiling tokio-executor v0.1.8
[INFO] [stderr]    Compiling tokio-timer v0.2.11
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling tower-limit v0.1.0
[INFO] [stderr]    Compiling tower-retry v0.1.0
[INFO] [stderr]    Compiling tower-timeout v0.1.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.4
[INFO] [stderr]    Compiling tracing v0.1.9
[INFO] [stderr]    Compiling tower-buffer v0.1.1
[INFO] [stderr]    Compiling tower v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.34s
[INFO] running `"docker" "inspect" "9df24e601f7d09b929036da9b6ca80ccf8fa3af9d7d53cd8db622d3146740266"`
[INFO] running `"docker" "rm" "-f" "9df24e601f7d09b929036da9b6ca80ccf8fa3af9d7d53cd8db622d3146740266"`
[INFO] [stdout] 9df24e601f7d09b929036da9b6ca80ccf8fa3af9d7d53cd8db622d3146740266
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1025cc96de8568eba4d3dab0dc7954f9754a9baeaca389afe5a8fa72a1810aeb
[INFO] running `"docker" "start" "-a" "1025cc96de8568eba4d3dab0dc7954f9754a9baeaca389afe5a8fa72a1810aeb"`
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling tokio-reactor v0.1.10
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio-udp v0.1.5
[INFO] [stderr]    Compiling tokio-threadpool v0.1.16
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling tower v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.39s
[INFO] running `"docker" "inspect" "1025cc96de8568eba4d3dab0dc7954f9754a9baeaca389afe5a8fa72a1810aeb"`
[INFO] running `"docker" "rm" "-f" "1025cc96de8568eba4d3dab0dc7954f9754a9baeaca389afe5a8fa72a1810aeb"`
[INFO] [stdout] 1025cc96de8568eba4d3dab0dc7954f9754a9baeaca389afe5a8fa72a1810aeb
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 14e9d8e4242415f3e9cd1e085f204d75c0253cdc15bf5d81eadaa8bf8a6e6f1d
[INFO] running `"docker" "start" "-a" "14e9d8e4242415f3e9cd1e085f204d75c0253cdc15bf5d81eadaa8bf8a6e6f1d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tower-a65f48fe26fc316f
[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]      Running /opt/rustwide/target/debug/deps/builder-b0804e3db9cd8d0a
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test builder_service ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tower
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/builder/mod.rs - builder::ServiceBuilder (line 62) ... ok
[INFO] [stdout] test src/builder/mod.rs - builder::ServiceBuilder (line 40) ... ok
[INFO] [stdout] test src/builder/mod.rs - builder::ServiceBuilder (line 86) ... ok
[INFO] [stdout] test src/builder/mod.rs - builder::ServiceBuilder (line 117) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "14e9d8e4242415f3e9cd1e085f204d75c0253cdc15bf5d81eadaa8bf8a6e6f1d"`
[INFO] running `"docker" "rm" "-f" "14e9d8e4242415f3e9cd1e085f204d75c0253cdc15bf5d81eadaa8bf8a6e6f1d"`
[INFO] [stdout] 14e9d8e4242415f3e9cd1e085f204d75c0253cdc15bf5d81eadaa8bf8a6e6f1d