[INFO] updating cached repository someguynamedmatt/btree
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/someguynamedmatt/btree
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/someguynamedmatt/btree" "work/ex/beta-1.38-1/sources/1.37.0/gh/someguynamedmatt/btree"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/someguynamedmatt/btree'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/someguynamedmatt/btree" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/someguynamedmatt/btree"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/someguynamedmatt/btree'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cf3b4086cf44415a190531cc12741fcd66bffa79
[INFO] sha for GitHub repo someguynamedmatt/btree: cf3b4086cf44415a190531cc12741fcd66bffa79
[INFO] validating manifest of someguynamedmatt/btree 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 someguynamedmatt/btree 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 someguynamedmatt/btree
[INFO] finished frobbing someguynamedmatt/btree
[INFO] frobbed toml for someguynamedmatt/btree written to work/ex/beta-1.38-1/sources/1.37.0/gh/someguynamedmatt/btree/Cargo.toml
[INFO] started frobbing someguynamedmatt/btree
[INFO] finished frobbing someguynamedmatt/btree
[INFO] frobbed toml for someguynamedmatt/btree written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/someguynamedmatt/btree/Cargo.toml
[INFO] crate someguynamedmatt/btree 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing someguynamedmatt/btree 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-2/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/someguynamedmatt/btree:/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] 6870c8fbcf82ed0e82c7b9fcef06d0b9ae03a057f7ab75980a146efe6c8737b9
[INFO] running `"docker" "start" "-a" "6870c8fbcf82ed0e82c7b9fcef06d0b9ae03a057f7ab75980a146efe6c8737b9"`
[INFO] [stderr]    Compiling btree v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `"docker" "inspect" "6870c8fbcf82ed0e82c7b9fcef06d0b9ae03a057f7ab75980a146efe6c8737b9"`
[INFO] running `"docker" "rm" "-f" "6870c8fbcf82ed0e82c7b9fcef06d0b9ae03a057f7ab75980a146efe6c8737b9"`
[INFO] [stdout] 6870c8fbcf82ed0e82c7b9fcef06d0b9ae03a057f7ab75980a146efe6c8737b9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/someguynamedmatt/btree:/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] 383fd1a0a7c9a18aea9d9077bc30f9d86684bda882ec9b36dad0b4059d1421a7
[INFO] running `"docker" "start" "-a" "383fd1a0a7c9a18aea9d9077bc30f9d86684bda882ec9b36dad0b4059d1421a7"`
[INFO] [stderr]    Compiling btree v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `"docker" "inspect" "383fd1a0a7c9a18aea9d9077bc30f9d86684bda882ec9b36dad0b4059d1421a7"`
[INFO] running `"docker" "rm" "-f" "383fd1a0a7c9a18aea9d9077bc30f9d86684bda882ec9b36dad0b4059d1421a7"`
[INFO] [stdout] 383fd1a0a7c9a18aea9d9077bc30f9d86684bda882ec9b36dad0b4059d1421a7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/someguynamedmatt/btree:/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] 20eeaeb4c4f19e6839078a8bc3d0df394511fbf34511d77d8246514b031864dd
[INFO] running `"docker" "start" "-a" "20eeaeb4c4f19e6839078a8bc3d0df394511fbf34511d77d8246514b031864dd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/btree-78b3be1db5b47fec
[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]      Running /opt/crater/target/debug/deps/btree-e3fe335e20d70f9e
[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 btree
[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" "20eeaeb4c4f19e6839078a8bc3d0df394511fbf34511d77d8246514b031864dd"`
[INFO] running `"docker" "rm" "-f" "20eeaeb4c4f19e6839078a8bc3d0df394511fbf34511d77d8246514b031864dd"`
[INFO] [stdout] 20eeaeb4c4f19e6839078a8bc3d0df394511fbf34511d77d8246514b031864dd