[INFO] fetching crate async-log 1.1.0...
[INFO] extracting crate async-log 1.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/async-log/1.1.0
[INFO] extracting crate async-log 1.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/async-log/1.1.0
[INFO] validating manifest of async-log-1.1.0 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-log-1.1.0 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-log-1.1.0
[INFO] finished frobbing async-log-1.1.0
[INFO] frobbed toml for async-log-1.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/async-log/1.1.0/Cargo.toml
[INFO] started frobbing async-log-1.1.0
[INFO] finished frobbing async-log-1.1.0
[INFO] frobbed toml for async-log-1.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/async-log/1.1.0/Cargo.toml
[INFO] crate async-log-1.1.0 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing async-log-1.1.0 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-4/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-log/1.1.0:/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] 6039a041b0e7551fca10430fc0c6ea0dbbb36061e334057455d123dc892697a8
[INFO] running `"docker" "start" "-a" "6039a041b0e7551fca10430fc0c6ea0dbbb36061e334057455d123dc892697a8"`
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling backtrace-sys v0.1.29
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling backtrace v0.3.32
[INFO] [stderr]    Compiling async-log-attributes v1.0.1
[INFO] [stderr]    Compiling async-log v1.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.25s
[INFO] running `"docker" "inspect" "6039a041b0e7551fca10430fc0c6ea0dbbb36061e334057455d123dc892697a8"`
[INFO] running `"docker" "rm" "-f" "6039a041b0e7551fca10430fc0c6ea0dbbb36061e334057455d123dc892697a8"`
[INFO] [stdout] 6039a041b0e7551fca10430fc0c6ea0dbbb36061e334057455d123dc892697a8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/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-log/1.1.0:/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] 5744707e4b39ff51101ac5d468bb80863f808996ece0af5bbc077816dd2f31a6
[INFO] running `"docker" "start" "-a" "5744707e4b39ff51101ac5d468bb80863f808996ece0af5bbc077816dd2f31a6"`
[INFO] [stderr]    Compiling env_logger v0.6.1
[INFO] [stderr]    Compiling async-log v1.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.32s
[INFO] running `"docker" "inspect" "5744707e4b39ff51101ac5d468bb80863f808996ece0af5bbc077816dd2f31a6"`
[INFO] running `"docker" "rm" "-f" "5744707e4b39ff51101ac5d468bb80863f808996ece0af5bbc077816dd2f31a6"`
[INFO] [stdout] 5744707e4b39ff51101ac5d468bb80863f808996ece0af5bbc077816dd2f31a6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/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-log/1.1.0:/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] 64ca579b944b75bf04690dc6fa04a4e240c62079bb2fb9b002622e567ce7351e
[INFO] running `"docker" "start" "-a" "64ca579b944b75bf04690dc6fa04a4e240c62079bb2fb9b002622e567ce7351e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/async_log-97dd6802804213f4
[INFO] [stderr]      Running /opt/crater/target/debug/deps/test-380424003b43fc05
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests async-log
[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 1 test
[INFO] [stdout] test should_work ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/macros.rs - span (line 26) ... ok
[INFO] [stdout] test src/lib.rs -  (line 80) ... 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" "64ca579b944b75bf04690dc6fa04a4e240c62079bb2fb9b002622e567ce7351e"`
[INFO] running `"docker" "rm" "-f" "64ca579b944b75bf04690dc6fa04a4e240c62079bb2fb9b002622e567ce7351e"`
[INFO] [stdout] 64ca579b944b75bf04690dc6fa04a4e240c62079bb2fb9b002622e567ce7351e