[INFO] crate async-option 0.1.1 is already in cache
[INFO] extracting crate async-option 0.1.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/async-option/0.1.1
[INFO] extracting crate async-option 0.1.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/async-option/0.1.1
[INFO] validating manifest of async-option-0.1.1 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 async-option-0.1.1 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 async-option-0.1.1
[INFO] finished frobbing async-option-0.1.1
[INFO] frobbed toml for async-option-0.1.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/async-option/0.1.1/Cargo.toml
[INFO] started frobbing async-option-0.1.1
[INFO] finished frobbing async-option-0.1.1
[INFO] frobbed toml for async-option-0.1.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/async-option/0.1.1/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 async-option-0.1.1 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/async-option/0.1.1:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 0118e3b9b35f3bddc4750da7fee5f6a7ed46bce13364312dac044821e1adb51f
[INFO] running `"docker" "start" "-a" "0118e3b9b35f3bddc4750da7fee5f6a7ed46bce13364312dac044821e1adb51f"`
[INFO] [stderr]    Compiling async-option v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `"docker" "inspect" "0118e3b9b35f3bddc4750da7fee5f6a7ed46bce13364312dac044821e1adb51f"`
[INFO] running `"docker" "rm" "-f" "0118e3b9b35f3bddc4750da7fee5f6a7ed46bce13364312dac044821e1adb51f"`
[INFO] [stdout] 0118e3b9b35f3bddc4750da7fee5f6a7ed46bce13364312dac044821e1adb51f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/async-option/0.1.1:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] d2e4aa166a0e5156c67a7c31a2bfd3100e4490b38a6a03c1dcebec81a45d80fc
[INFO] running `"docker" "start" "-a" "d2e4aa166a0e5156c67a7c31a2bfd3100e4490b38a6a03c1dcebec81a45d80fc"`
[INFO] [stderr]    Compiling tokio-mock-task v0.1.1
[INFO] [stderr]    Compiling async-option v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.75s
[INFO] running `"docker" "inspect" "d2e4aa166a0e5156c67a7c31a2bfd3100e4490b38a6a03c1dcebec81a45d80fc"`
[INFO] running `"docker" "rm" "-f" "d2e4aa166a0e5156c67a7c31a2bfd3100e4490b38a6a03c1dcebec81a45d80fc"`
[INFO] [stdout] d2e4aa166a0e5156c67a7c31a2bfd3100e4490b38a6a03c1dcebec81a45d80fc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/async-option/0.1.1:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 959a39e05da5447bfcf645c88d9a989fe85ac9dba4f7199578fd28723125686d
[INFO] running `"docker" "start" "-a" "959a39e05da5447bfcf645c88d9a989fe85ac9dba4f7199578fd28723125686d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/async_option-71e990091a61215e
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test::basic ... ok
[INFO] [stdout] test test::notified_on_empty_drop ... ok
[INFO] [stdout] test test::sink_stream ... ok
[INFO] [stdout] test test::futures ... 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-option
[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] running `"docker" "inspect" "959a39e05da5447bfcf645c88d9a989fe85ac9dba4f7199578fd28723125686d"`
[INFO] running `"docker" "rm" "-f" "959a39e05da5447bfcf645c88d9a989fe85ac9dba4f7199578fd28723125686d"`
[INFO] [stdout] 959a39e05da5447bfcf645c88d9a989fe85ac9dba4f7199578fd28723125686d