[INFO] crate spock 0.1.0 is already in cache
[INFO] extracting crate spock 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/spock/0.1.0
[INFO] extracting crate spock 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/spock/0.1.0
[INFO] validating manifest of spock-0.1.0 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 spock-0.1.0 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 spock-0.1.0
[INFO] finished frobbing spock-0.1.0
[INFO] frobbed toml for spock-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/spock/0.1.0/Cargo.toml
[INFO] started frobbing spock-0.1.0
[INFO] finished frobbing spock-0.1.0
[INFO] frobbed toml for spock-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/spock/0.1.0/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] testing spock-0.1.0 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/spock/0.1.0:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 81310d2e207612b26927a4eb023ee165ada0ec2890903c4e4b30e79d258907db
[INFO] running `"docker" "start" "-a" "81310d2e207612b26927a4eb023ee165ada0ec2890903c4e4b30e79d258907db"`
[INFO] [stderr]    Compiling spock v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `"docker" "inspect" "81310d2e207612b26927a4eb023ee165ada0ec2890903c4e4b30e79d258907db"`
[INFO] running `"docker" "rm" "-f" "81310d2e207612b26927a4eb023ee165ada0ec2890903c4e4b30e79d258907db"`
[INFO] [stdout] 81310d2e207612b26927a4eb023ee165ada0ec2890903c4e4b30e79d258907db
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/spock/0.1.0:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 419c7211e6c2190cadcfae8f86ff079a3f8dd06a8575e59bf9e36f642c260509
[INFO] running `"docker" "start" "-a" "419c7211e6c2190cadcfae8f86ff079a3f8dd06a8575e59bf9e36f642c260509"`
[INFO] [stderr]    Compiling spock v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `"docker" "inspect" "419c7211e6c2190cadcfae8f86ff079a3f8dd06a8575e59bf9e36f642c260509"`
[INFO] running `"docker" "rm" "-f" "419c7211e6c2190cadcfae8f86ff079a3f8dd06a8575e59bf9e36f642c260509"`
[INFO] [stdout] 419c7211e6c2190cadcfae8f86ff079a3f8dd06a8575e59bf9e36f642c260509
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/spock/0.1.0:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 2e30a93f92910599c1bfbe29ef07262cd9a8ea99c2995687d6bf7f1676a4563b
[INFO] running `"docker" "start" "-a" "2e30a93f92910599c1bfbe29ef07262cd9a8ea99c2995687d6bf7f1676a4563b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/spock-2cfce1b7776fa446
[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" "2e30a93f92910599c1bfbe29ef07262cd9a8ea99c2995687d6bf7f1676a4563b"`
[INFO] running `"docker" "rm" "-f" "2e30a93f92910599c1bfbe29ef07262cd9a8ea99c2995687d6bf7f1676a4563b"`
[INFO] [stdout] 2e30a93f92910599c1bfbe29ef07262cd9a8ea99c2995687d6bf7f1676a4563b