[INFO] crate spawn 0.0.1 is already in cache
[INFO] extracting crate spawn 0.0.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/spawn/0.0.1
[INFO] extracting crate spawn 0.0.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/spawn/0.0.1
[INFO] validating manifest of spawn-0.0.1 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 spawn-0.0.1 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 spawn-0.0.1
[INFO] finished frobbing spawn-0.0.1
[INFO] frobbed toml for spawn-0.0.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/spawn/0.0.1/Cargo.toml
[INFO] started frobbing spawn-0.0.1
[INFO] finished frobbing spawn-0.0.1
[INFO] frobbed toml for spawn-0.0.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/spawn/0.0.1/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] 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 spawn-0.0.1 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-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/spawn/0.0.1:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 3f598d88bcf3cab1a319335838546589a5428669bba62873e796b4876abdfb8f
[INFO] running `"docker" "start" "-a" "3f598d88bcf3cab1a319335838546589a5428669bba62873e796b4876abdfb8f"`
[INFO] [stderr]    Compiling spawn v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `"docker" "inspect" "3f598d88bcf3cab1a319335838546589a5428669bba62873e796b4876abdfb8f"`
[INFO] running `"docker" "rm" "-f" "3f598d88bcf3cab1a319335838546589a5428669bba62873e796b4876abdfb8f"`
[INFO] [stdout] 3f598d88bcf3cab1a319335838546589a5428669bba62873e796b4876abdfb8f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/spawn/0.0.1:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 36d8ab0206fa5e72603c8d7b3fd48eda5474056879a45c55bf5661ed88367f77
[INFO] running `"docker" "start" "-a" "36d8ab0206fa5e72603c8d7b3fd48eda5474056879a45c55bf5661ed88367f77"`
[INFO] [stderr]    Compiling spawn v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `"docker" "inspect" "36d8ab0206fa5e72603c8d7b3fd48eda5474056879a45c55bf5661ed88367f77"`
[INFO] running `"docker" "rm" "-f" "36d8ab0206fa5e72603c8d7b3fd48eda5474056879a45c55bf5661ed88367f77"`
[INFO] [stdout] 36d8ab0206fa5e72603c8d7b3fd48eda5474056879a45c55bf5661ed88367f77
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/spawn/0.0.1:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] f87433f35a4284cc58b090d996463ecc46d67f26c15a8cb1bc232d3a830214e5
[INFO] running `"docker" "start" "-a" "f87433f35a4284cc58b090d996463ecc46d67f26c15a8cb1bc232d3a830214e5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/spawn-237ba6fdfe0cb41d
[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 spawn
[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" "f87433f35a4284cc58b090d996463ecc46d67f26c15a8cb1bc232d3a830214e5"`
[INFO] running `"docker" "rm" "-f" "f87433f35a4284cc58b090d996463ecc46d67f26c15a8cb1bc232d3a830214e5"`
[INFO] [stdout] f87433f35a4284cc58b090d996463ecc46d67f26c15a8cb1bc232d3a830214e5