[INFO] crate async_value 0.2.4 is already in cache
[INFO] extracting crate async_value 0.2.4 into work/ex/beta-1.37-6/sources/1.36.0/reg/async_value/0.2.4
[INFO] extracting crate async_value 0.2.4 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/async_value/0.2.4
[INFO] validating manifest of async_value-0.2.4 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_value-0.2.4 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_value-0.2.4
[INFO] finished frobbing async_value-0.2.4
[INFO] frobbed toml for async_value-0.2.4 written to work/ex/beta-1.37-6/sources/1.36.0/reg/async_value/0.2.4/Cargo.toml
[INFO] started frobbing async_value-0.2.4
[INFO] finished frobbing async_value-0.2.4
[INFO] frobbed toml for async_value-0.2.4 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/async_value/0.2.4/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] [stderr]     Blocking waiting for file lock on package cache
[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_value-0.2.4 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/async_value/0.2.4:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 38ad41e2864e6d6f9d82c5a079c6a549dc9cdbae0fb7db2e1b24a16e366464ba
[INFO] running `"docker" "start" "-a" "38ad41e2864e6d6f9d82c5a079c6a549dc9cdbae0fb7db2e1b24a16e366464ba"`
[INFO] [stderr]    Compiling async_value v0.2.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "38ad41e2864e6d6f9d82c5a079c6a549dc9cdbae0fb7db2e1b24a16e366464ba"`
[INFO] running `"docker" "rm" "-f" "38ad41e2864e6d6f9d82c5a079c6a549dc9cdbae0fb7db2e1b24a16e366464ba"`
[INFO] [stdout] 38ad41e2864e6d6f9d82c5a079c6a549dc9cdbae0fb7db2e1b24a16e366464ba
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/async_value/0.2.4:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] b8a2a45febbaf4d2b5fcd386c68a4f2851117f7c7257e9b4ce28fcd3061d1777
[INFO] running `"docker" "start" "-a" "b8a2a45febbaf4d2b5fcd386c68a4f2851117f7c7257e9b4ce28fcd3061d1777"`
[INFO] [stderr]    Compiling async_value v0.2.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `"docker" "inspect" "b8a2a45febbaf4d2b5fcd386c68a4f2851117f7c7257e9b4ce28fcd3061d1777"`
[INFO] running `"docker" "rm" "-f" "b8a2a45febbaf4d2b5fcd386c68a4f2851117f7c7257e9b4ce28fcd3061d1777"`
[INFO] [stdout] b8a2a45febbaf4d2b5fcd386c68a4f2851117f7c7257e9b4ce28fcd3061d1777
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/async_value/0.2.4:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] eda1f9c19bee4b80b72dea8232e7fcdc277ab208c93d79a7e1b88b4eecfe4816
[INFO] running `"docker" "start" "-a" "eda1f9c19bee4b80b72dea8232e7fcdc277ab208c93d79a7e1b88b4eecfe4816"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/async_value-b1b1725c0830f6ac
[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 async_value
[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" "eda1f9c19bee4b80b72dea8232e7fcdc277ab208c93d79a7e1b88b4eecfe4816"`
[INFO] running `"docker" "rm" "-f" "eda1f9c19bee4b80b72dea8232e7fcdc277ab208c93d79a7e1b88b4eecfe4816"`
[INFO] [stdout] eda1f9c19bee4b80b72dea8232e7fcdc277ab208c93d79a7e1b88b4eecfe4816