[INFO] updating cached repository mikeknep/rslb
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mikeknep/rslb
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mikeknep/rslb" "work/ex/beta-1.38-1/sources/1.37.0/gh/mikeknep/rslb"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mikeknep/rslb'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mikeknep/rslb" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mikeknep/rslb"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mikeknep/rslb'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f3a82915179356719ef5ea88b9a1c197ba971b23
[INFO] sha for GitHub repo mikeknep/rslb: f3a82915179356719ef5ea88b9a1c197ba971b23
[INFO] validating manifest of mikeknep/rslb 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 mikeknep/rslb 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 mikeknep/rslb
[INFO] finished frobbing mikeknep/rslb
[INFO] frobbed toml for mikeknep/rslb written to work/ex/beta-1.38-1/sources/1.37.0/gh/mikeknep/rslb/Cargo.toml
[INFO] started frobbing mikeknep/rslb
[INFO] finished frobbing mikeknep/rslb
[INFO] frobbed toml for mikeknep/rslb written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mikeknep/rslb/Cargo.toml
[INFO] crate mikeknep/rslb already has a lockfile, it will not be regenerated
[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 mikeknep/rslb against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mikeknep/rslb:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 522f1c935c5e1d4dc6ae7304420ca4fd62f1038f3685660d14c06b902216a4e1
[INFO] running `"docker" "start" "-a" "522f1c935c5e1d4dc6ae7304420ca4fd62f1038f3685660d14c06b902216a4e1"`
[INFO] [stderr]    Compiling rslb v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/strategies/mod.rs:12:28
[INFO] [stderr]    |
[INFO] [stderr] 12 | type Strategy<'a, T> = Box<FnMut() -> T + 'a>;
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> T + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "522f1c935c5e1d4dc6ae7304420ca4fd62f1038f3685660d14c06b902216a4e1"`
[INFO] running `"docker" "rm" "-f" "522f1c935c5e1d4dc6ae7304420ca4fd62f1038f3685660d14c06b902216a4e1"`
[INFO] [stdout] 522f1c935c5e1d4dc6ae7304420ca4fd62f1038f3685660d14c06b902216a4e1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mikeknep/rslb:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 70956055cc496a349c3644debad463ba7c911f65cfa0f085056767b2ba7f4aeb
[INFO] running `"docker" "start" "-a" "70956055cc496a349c3644debad463ba7c911f65cfa0f085056767b2ba7f4aeb"`
[INFO] [stderr]    Compiling rslb v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/strategies/mod.rs:12:28
[INFO] [stderr]    |
[INFO] [stderr] 12 | type Strategy<'a, T> = Box<FnMut() -> T + 'a>;
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> T + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `"docker" "inspect" "70956055cc496a349c3644debad463ba7c911f65cfa0f085056767b2ba7f4aeb"`
[INFO] running `"docker" "rm" "-f" "70956055cc496a349c3644debad463ba7c911f65cfa0f085056767b2ba7f4aeb"`
[INFO] [stdout] 70956055cc496a349c3644debad463ba7c911f65cfa0f085056767b2ba7f4aeb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mikeknep/rslb:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 72acdc21df9c37b23e67ba05a5760b90c88ece6bec667306e6d94df1dbbd87aa
[INFO] running `"docker" "start" "-a" "72acdc21df9c37b23e67ba05a5760b90c88ece6bec667306e6d94df1dbbd87aa"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rslb-33b70373422cec08
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test strategies::single_static::tests::it_chooses_only_possible_target ... ok
[INFO] [stdout] test strategies::round_robin::tests::it_cycles_through_target_servers ... ok
[INFO] [stdout] test strategies::alternating::tests::it_alternates_targets ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rslb-b993e6379bdb6ff8
[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 rslb
[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" "72acdc21df9c37b23e67ba05a5760b90c88ece6bec667306e6d94df1dbbd87aa"`
[INFO] running `"docker" "rm" "-f" "72acdc21df9c37b23e67ba05a5760b90c88ece6bec667306e6d94df1dbbd87aa"`
[INFO] [stdout] 72acdc21df9c37b23e67ba05a5760b90c88ece6bec667306e6d94df1dbbd87aa