[INFO] crate async-change-tracker 0.1.0 is already in cache
[INFO] extracting crate async-change-tracker 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/async-change-tracker/0.1.0
[INFO] extracting crate async-change-tracker 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/async-change-tracker/0.1.0
[INFO] validating manifest of async-change-tracker-0.1.0 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 async-change-tracker-0.1.0 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 async-change-tracker-0.1.0
[INFO] finished frobbing async-change-tracker-0.1.0
[INFO] frobbed toml for async-change-tracker-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/async-change-tracker/0.1.0/Cargo.toml
[INFO] started frobbing async-change-tracker-0.1.0
[INFO] finished frobbing async-change-tracker-0.1.0
[INFO] frobbed toml for async-change-tracker-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/async-change-tracker/0.1.0/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing async-change-tracker-0.1.0 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/async-change-tracker/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] ce52431439cfb9cfb2fe34638159c0a71ef7eaa1f91c835d5ab0b12adcbe179b
[INFO] running `"docker" "start" "-a" "ce52431439cfb9cfb2fe34638159c0a71ef7eaa1f91c835d5ab0b12adcbe179b"`
[INFO] [stderr]    Compiling async-change-tracker v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `"docker" "inspect" "ce52431439cfb9cfb2fe34638159c0a71ef7eaa1f91c835d5ab0b12adcbe179b"`
[INFO] running `"docker" "rm" "-f" "ce52431439cfb9cfb2fe34638159c0a71ef7eaa1f91c835d5ab0b12adcbe179b"`
[INFO] [stdout] ce52431439cfb9cfb2fe34638159c0a71ef7eaa1f91c835d5ab0b12adcbe179b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/async-change-tracker/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] b9c8c6b6036eed5ab8699498c55082897df1fcfec503aba66758c434587a27a8
[INFO] running `"docker" "start" "-a" "b9c8c6b6036eed5ab8699498c55082897df1fcfec503aba66758c434587a27a8"`
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling tokio-threadpool v0.1.15
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling async-change-tracker v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.59s
[INFO] running `"docker" "inspect" "b9c8c6b6036eed5ab8699498c55082897df1fcfec503aba66758c434587a27a8"`
[INFO] running `"docker" "rm" "-f" "b9c8c6b6036eed5ab8699498c55082897df1fcfec503aba66758c434587a27a8"`
[INFO] [stdout] b9c8c6b6036eed5ab8699498c55082897df1fcfec503aba66758c434587a27a8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/async-change-tracker/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] f8dc1a9e3c8a0c6cde5175984446fddabdb7bc5cb9cf7085107e133101c38ce6
[INFO] running `"docker" "start" "-a" "f8dc1a9e3c8a0c6cde5175984446fddabdb7bc5cb9cf7085107e133101c38ce6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/async_change_tracker-08141e77c0d97385
[INFO] [stderr]      Running /opt/crater/target/debug/deps/test_change_tracker-be788180bc37fff1
[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] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_dropped_rx ... ok
[INFO] [stdout] test test_multiple_changes_no_rx ... ok
[INFO] [stdout] test test_change_tracker ... ok
[INFO] [stdout] test test_multithreaded_change_tracker ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests async-change-tracker
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 22) ... 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" "f8dc1a9e3c8a0c6cde5175984446fddabdb7bc5cb9cf7085107e133101c38ce6"`
[INFO] running `"docker" "rm" "-f" "f8dc1a9e3c8a0c6cde5175984446fddabdb7bc5cb9cf7085107e133101c38ce6"`
[INFO] [stdout] f8dc1a9e3c8a0c6cde5175984446fddabdb7bc5cb9cf7085107e133101c38ce6