[INFO] crate tower-util 0.1.0 is already in cache
[INFO] extracting crate tower-util 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/tower-util/0.1.0
[INFO] extracting crate tower-util 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/tower-util/0.1.0
[INFO] validating manifest of tower-util-0.1.0 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 tower-util-0.1.0 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 tower-util-0.1.0
[INFO] finished frobbing tower-util-0.1.0
[INFO] frobbed toml for tower-util-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/tower-util/0.1.0/Cargo.toml
[INFO] started frobbing tower-util-0.1.0
[INFO] finished frobbing tower-util-0.1.0
[INFO] frobbed toml for tower-util-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/tower-util/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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] testing tower-util-0.1.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/tower-util/0.1.0:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 56463c95464db05bee1eafff66a1db7a68fe4e31d854daf6920f30bf8ba58908
[INFO] running `"docker" "start" "-a" "56463c95464db05bee1eafff66a1db7a68fe4e31d854daf6920f30bf8ba58908"`
[INFO] [stderr]    Compiling tower-layer v0.1.0
[INFO] [stderr]    Compiling tower-util v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `"docker" "inspect" "56463c95464db05bee1eafff66a1db7a68fe4e31d854daf6920f30bf8ba58908"`
[INFO] running `"docker" "rm" "-f" "56463c95464db05bee1eafff66a1db7a68fe4e31d854daf6920f30bf8ba58908"`
[INFO] [stdout] 56463c95464db05bee1eafff66a1db7a68fe4e31d854daf6920f30bf8ba58908
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/tower-util/0.1.0:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] f3abc760c122dc0001ea41f4b80e715f3e532fa2fdd4f29ddf9d3b9a8a922214
[INFO] running `"docker" "start" "-a" "f3abc760c122dc0001ea41f4b80e715f3e532fa2fdd4f29ddf9d3b9a8a922214"`
[INFO] [stderr]    Compiling proc-macro2 v1.0.1
[INFO] [stderr]    Compiling syn v1.0.3
[INFO] [stderr]    Compiling tokio-mock-task v0.1.1
[INFO] [stderr]    Compiling tracing-core v0.1.5
[INFO] [stderr]    Compiling tower-discover v0.1.0
[INFO] [stderr]    Compiling tower-test v0.1.0
[INFO] [stderr]    Compiling tokio-executor v0.1.8
[INFO] [stderr]    Compiling tower-load-shed v0.1.0
[INFO] [stderr]    Compiling tower-util v0.1.0
[INFO] [stderr]    Compiling tokio-timer v0.2.11
[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 quote v1.0.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.2
[INFO] [stderr]    Compiling tracing v0.1.6
[INFO] [stderr]    Compiling tower-buffer v0.1.1
[INFO] [stderr]    Compiling tower v0.1.1
[INFO] [stderr]    Compiling tower-util v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.92s
[INFO] running `"docker" "inspect" "f3abc760c122dc0001ea41f4b80e715f3e532fa2fdd4f29ddf9d3b9a8a922214"`
[INFO] running `"docker" "rm" "-f" "f3abc760c122dc0001ea41f4b80e715f3e532fa2fdd4f29ddf9d3b9a8a922214"`
[INFO] [stdout] f3abc760c122dc0001ea41f4b80e715f3e532fa2fdd4f29ddf9d3b9a8a922214
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/tower-util/0.1.0:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 8727cdfbefd019f3acad269382147dd89ff6dedc7023282e56d384c6a3002c1b
[INFO] running `"docker" "start" "-a" "8727cdfbefd019f3acad269382147dd89ff6dedc7023282e56d384c6a3002c1b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tower_util-db5b34dc4305b46b
[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/crater/target/debug/deps/call_all-f94f7e0c299f57b9
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test ordered ... ok
[INFO] [stdout] test unordered ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tower-util
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/boxed/mod.rs - boxed (line 16) ... ok
[INFO] [stdout] test src/call_all/ordered.rs - call_all::ordered::CallAll (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "8727cdfbefd019f3acad269382147dd89ff6dedc7023282e56d384c6a3002c1b"`
[INFO] running `"docker" "rm" "-f" "8727cdfbefd019f3acad269382147dd89ff6dedc7023282e56d384c6a3002c1b"`
[INFO] [stdout] 8727cdfbefd019f3acad269382147dd89ff6dedc7023282e56d384c6a3002c1b