[INFO] crate futures-stable-preview 0.2.3 is already in cache
[INFO] extracting crate futures-stable-preview 0.2.3 into work/ex/beta-1.38-1/sources/1.37.0/reg/futures-stable-preview/0.2.3
[INFO] extracting crate futures-stable-preview 0.2.3 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/futures-stable-preview/0.2.3
[INFO] validating manifest of futures-stable-preview-0.2.3 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 futures-stable-preview-0.2.3 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 futures-stable-preview-0.2.3
[INFO] finished frobbing futures-stable-preview-0.2.3
[INFO] frobbed toml for futures-stable-preview-0.2.3 written to work/ex/beta-1.38-1/sources/1.37.0/reg/futures-stable-preview/0.2.3/Cargo.toml
[INFO] started frobbing futures-stable-preview-0.2.3
[INFO] finished frobbing futures-stable-preview-0.2.3
[INFO] frobbed toml for futures-stable-preview-0.2.3 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/futures-stable-preview/0.2.3/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 futures-stable-preview-0.2.3 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/futures-stable-preview/0.2.3:/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] 063cb583438f3139ddf45bb5211115f4ca18ec90d07d2559c31c15d5761a80f5
[INFO] running `"docker" "start" "-a" "063cb583438f3139ddf45bb5211115f4ca18ec90d07d2559c31c15d5761a80f5"`
[INFO] [stderr]    Compiling futures-core-preview v0.2.3
[INFO] [stderr]    Compiling futures-channel-preview v0.2.2
[INFO] [stderr]    Compiling futures-io-preview v0.2.2
[INFO] [stderr]    Compiling futures-sink-preview v0.2.2
[INFO] [stderr]    Compiling futures-util-preview v0.2.2
[INFO] [stderr]    Compiling futures-executor-preview v0.2.2
[INFO] [stderr]    Compiling futures-stable-preview v0.2.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.31s
[INFO] running `"docker" "inspect" "063cb583438f3139ddf45bb5211115f4ca18ec90d07d2559c31c15d5761a80f5"`
[INFO] running `"docker" "rm" "-f" "063cb583438f3139ddf45bb5211115f4ca18ec90d07d2559c31c15d5761a80f5"`
[INFO] [stdout] 063cb583438f3139ddf45bb5211115f4ca18ec90d07d2559c31c15d5761a80f5
[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/futures-stable-preview/0.2.3:/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] 4b5bf0a5c9c80e01ae9ff93d61213be0c73f8344b9205eeb5299f90874c8dcda
[INFO] running `"docker" "start" "-a" "4b5bf0a5c9c80e01ae9ff93d61213be0c73f8344b9205eeb5299f90874c8dcda"`
[INFO] [stderr]    Compiling futures-stable-preview v0.2.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `"docker" "inspect" "4b5bf0a5c9c80e01ae9ff93d61213be0c73f8344b9205eeb5299f90874c8dcda"`
[INFO] running `"docker" "rm" "-f" "4b5bf0a5c9c80e01ae9ff93d61213be0c73f8344b9205eeb5299f90874c8dcda"`
[INFO] [stdout] 4b5bf0a5c9c80e01ae9ff93d61213be0c73f8344b9205eeb5299f90874c8dcda
[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/futures-stable-preview/0.2.3:/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] 65a06e7abdbd925bc5330b8733258da5c1f87e64c112a654de8f4644d1ff2c35
[INFO] running `"docker" "start" "-a" "65a06e7abdbd925bc5330b8733258da5c1f87e64c112a654de8f4644d1ff2c35"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/futures_stable-a45397b0c186fccb
[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]    Doc-tests futures_stable
[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" "65a06e7abdbd925bc5330b8733258da5c1f87e64c112a654de8f4644d1ff2c35"`
[INFO] running `"docker" "rm" "-f" "65a06e7abdbd925bc5330b8733258da5c1f87e64c112a654de8f4644d1ff2c35"`
[INFO] [stdout] 65a06e7abdbd925bc5330b8733258da5c1f87e64c112a654de8f4644d1ff2c35