[INFO] crate scuttlebutt 0.2.0 is already in cache
[INFO] extracting crate scuttlebutt 0.2.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/scuttlebutt/0.2.0
[INFO] extracting crate scuttlebutt 0.2.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/scuttlebutt/0.2.0
[INFO] validating manifest of scuttlebutt-0.2.0 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 scuttlebutt-0.2.0 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 scuttlebutt-0.2.0
[INFO] finished frobbing scuttlebutt-0.2.0
[INFO] frobbed toml for scuttlebutt-0.2.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/scuttlebutt/0.2.0/Cargo.toml
[INFO] started frobbing scuttlebutt-0.2.0
[INFO] finished frobbing scuttlebutt-0.2.0
[INFO] frobbed toml for scuttlebutt-0.2.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/scuttlebutt/0.2.0/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] 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 scuttlebutt-0.2.0 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/scuttlebutt/0.2.0:/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] d70f1c1d4bcdf98618a1b2781f842c5eca8af2b48c319463805d046a600d2c77
[INFO] running `"docker" "start" "-a" "d70f1c1d4bcdf98618a1b2781f842c5eca8af2b48c319463805d046a600d2c77"`
[INFO] [stderr]    Compiling scuttlebutt v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.63s
[INFO] running `"docker" "inspect" "d70f1c1d4bcdf98618a1b2781f842c5eca8af2b48c319463805d046a600d2c77"`
[INFO] running `"docker" "rm" "-f" "d70f1c1d4bcdf98618a1b2781f842c5eca8af2b48c319463805d046a600d2c77"`
[INFO] [stdout] d70f1c1d4bcdf98618a1b2781f842c5eca8af2b48c319463805d046a600d2c77
[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/scuttlebutt/0.2.0:/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] fbb9f6000666f7188d78550a4b91a57b50662cdaa1e235d229268ac518925143
[INFO] running `"docker" "start" "-a" "fbb9f6000666f7188d78550a4b91a57b50662cdaa1e235d229268ac518925143"`
[INFO] [stderr]    Compiling scuttlebutt v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.04s
[INFO] running `"docker" "inspect" "fbb9f6000666f7188d78550a4b91a57b50662cdaa1e235d229268ac518925143"`
[INFO] running `"docker" "rm" "-f" "fbb9f6000666f7188d78550a4b91a57b50662cdaa1e235d229268ac518925143"`
[INFO] [stdout] fbb9f6000666f7188d78550a4b91a57b50662cdaa1e235d229268ac518925143
[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/scuttlebutt/0.2.0:/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] af60daff08684251c3f6d348034ba5dfda804cf2e537f723c8605aa6020adab2
[INFO] running `"docker" "start" "-a" "af60daff08684251c3f6d348034ba5dfda804cf2e537f723c8605aa6020adab2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/scuttlebutt-ea61439d0d1ded31
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::events_generator ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/scuttlebutt-c062d3f5ec9a02fe
[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 scuttlebutt
[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" "af60daff08684251c3f6d348034ba5dfda804cf2e537f723c8605aa6020adab2"`
[INFO] running `"docker" "rm" "-f" "af60daff08684251c3f6d348034ba5dfda804cf2e537f723c8605aa6020adab2"`
[INFO] [stdout] af60daff08684251c3f6d348034ba5dfda804cf2e537f723c8605aa6020adab2