[INFO] crate better-future 0.0.0 is already in cache
[INFO] extracting crate better-future 0.0.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/better-future/0.0.0
[INFO] extracting crate better-future 0.0.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/better-future/0.0.0
[INFO] validating manifest of better-future-0.0.0 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 better-future-0.0.0 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 better-future-0.0.0
[INFO] finished frobbing better-future-0.0.0
[INFO] frobbed toml for better-future-0.0.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/better-future/0.0.0/Cargo.toml
[INFO] started frobbing better-future-0.0.0
[INFO] finished frobbing better-future-0.0.0
[INFO] frobbed toml for better-future-0.0.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/better-future/0.0.0/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] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing better-future-0.0.0 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-5/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/better-future/0.0.0:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] cb95f0807b58e9f211d0226d45a0e842810b236dd5034118a87cd782437276b4
[INFO] running `"docker" "start" "-a" "cb95f0807b58e9f211d0226d45a0e842810b236dd5034118a87cd782437276b4"`
[INFO] [stderr]    Compiling better-future v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `"docker" "inspect" "cb95f0807b58e9f211d0226d45a0e842810b236dd5034118a87cd782437276b4"`
[INFO] running `"docker" "rm" "-f" "cb95f0807b58e9f211d0226d45a0e842810b236dd5034118a87cd782437276b4"`
[INFO] [stdout] cb95f0807b58e9f211d0226d45a0e842810b236dd5034118a87cd782437276b4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/better-future/0.0.0:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] f960236326dd274dd6c53b7b2a3254b61a0afb961f847f07b64a56db110931a2
[INFO] running `"docker" "start" "-a" "f960236326dd274dd6c53b7b2a3254b61a0afb961f847f07b64a56db110931a2"`
[INFO] [stderr]    Compiling better-future v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `"docker" "inspect" "f960236326dd274dd6c53b7b2a3254b61a0afb961f847f07b64a56db110931a2"`
[INFO] running `"docker" "rm" "-f" "f960236326dd274dd6c53b7b2a3254b61a0afb961f847f07b64a56db110931a2"`
[INFO] [stdout] f960236326dd274dd6c53b7b2a3254b61a0afb961f847f07b64a56db110931a2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/better-future/0.0.0:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] f0f3fedd4dc01b80210c20a4b9fe9f6fd9b975037ee8fa7581dfd4ff51afc51e
[INFO] running `"docker" "start" "-a" "f0f3fedd4dc01b80210c20a4b9fe9f6fd9b975037ee8fa7581dfd4ff51afc51e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/better_future-92d00e57ee6b1a5c
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... 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 better-future
[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" "f0f3fedd4dc01b80210c20a4b9fe9f6fd9b975037ee8fa7581dfd4ff51afc51e"`
[INFO] running `"docker" "rm" "-f" "f0f3fedd4dc01b80210c20a4b9fe9f6fd9b975037ee8fa7581dfd4ff51afc51e"`
[INFO] [stdout] f0f3fedd4dc01b80210c20a4b9fe9f6fd9b975037ee8fa7581dfd4ff51afc51e