[INFO] updating cached repository ruuda/filebuffer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ruuda/filebuffer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ruuda/filebuffer" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/ruuda/filebuffer"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/ruuda/filebuffer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ruuda/filebuffer" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/ruuda/filebuffer"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/ruuda/filebuffer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 971c15ea4d88928068a0812757fa9c3e8712437f
[INFO] sha for GitHub repo ruuda/filebuffer: 971c15ea4d88928068a0812757fa9c3e8712437f
[INFO] validating manifest of ruuda/filebuffer on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ruuda/filebuffer on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ruuda/filebuffer
[INFO] finished frobbing ruuda/filebuffer
[INFO] frobbed toml for ruuda/filebuffer written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/ruuda/filebuffer/Cargo.toml
[INFO] started frobbing ruuda/filebuffer
[INFO] finished frobbing ruuda/filebuffer
[INFO] frobbed toml for ruuda/filebuffer written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/ruuda/filebuffer/Cargo.toml
[INFO] crate ruuda/filebuffer has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ruuda/filebuffer against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/ruuda/filebuffer:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] d5c17971354c8fb2275cdd7bbe068d31212b5b22af4570b60ead312daa53c5e1
[INFO] running `"docker" "start" "-a" "d5c17971354c8fb2275cdd7bbe068d31212b5b22af4570b60ead312daa53c5e1"`
[INFO] [stderr]    Compiling filebuffer v0.4.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `"docker" "inspect" "d5c17971354c8fb2275cdd7bbe068d31212b5b22af4570b60ead312daa53c5e1"`
[INFO] running `"docker" "rm" "-f" "d5c17971354c8fb2275cdd7bbe068d31212b5b22af4570b60ead312daa53c5e1"`
[INFO] [stdout] d5c17971354c8fb2275cdd7bbe068d31212b5b22af4570b60ead312daa53c5e1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/ruuda/filebuffer:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] a9177dcb9208c8ad46c3719f133039fd99c51ea29142218a499cb7cbd10d5504
[INFO] running `"docker" "start" "-a" "a9177dcb9208c8ad46c3719f133039fd99c51ea29142218a499cb7cbd10d5504"`
[INFO] [stderr]    Compiling gcc v0.3.35
[INFO] [stderr]    Compiling time v0.1.35
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling filebuffer v0.4.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.41s
[INFO] running `"docker" "inspect" "a9177dcb9208c8ad46c3719f133039fd99c51ea29142218a499cb7cbd10d5504"`
[INFO] running `"docker" "rm" "-f" "a9177dcb9208c8ad46c3719f133039fd99c51ea29142218a499cb7cbd10d5504"`
[INFO] [stdout] a9177dcb9208c8ad46c3719f133039fd99c51ea29142218a499cb7cbd10d5504
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/ruuda/filebuffer:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] d66784378540be94cbda04a1be1d2e062934e8b7c109aba60d9220f849c3f66e
[INFO] running `"docker" "start" "-a" "d66784378540be94cbda04a1be1d2e062934e8b7c109aba60d9220f849c3f66e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/filebuffer-aa2c0ed72868ed7d
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test empty_file_prefetch_is_fine ... ok
[INFO] [stderr]    Doc-tests filebuffer
[INFO] [stdout] test empty_file_has_zero_resident_len ... ok
[INFO] [stdout] test empty_file_deref_is_fine ... ok
[INFO] [stdout] test fbuffer_can_be_moved_into_thread ... ok
[INFO] [stdout] test open_empty_file_is_fine ... ok
[INFO] [stdout] test fbuffer_can_be_shared_among_threads ... ok
[INFO] [stdout] test drop_after_leak ... ok
[INFO] [stdout] test open_file ... ok
[INFO] [stdout] test make_resident ... ok
[INFO] [stdout] test page_size_at_least_4096 ... ok
[INFO] [stdout] test prefetch_is_not_harmful ... ok
[INFO] [stdout] test verify_round_down_to ... ok
[INFO] [stdout] test verify_round_up_to ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 15) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d66784378540be94cbda04a1be1d2e062934e8b7c109aba60d9220f849c3f66e"`
[INFO] running `"docker" "rm" "-f" "d66784378540be94cbda04a1be1d2e062934e8b7c109aba60d9220f849c3f66e"`
[INFO] [stdout] d66784378540be94cbda04a1be1d2e062934e8b7c109aba60d9220f849c3f66e