[INFO] crate filebuffer 0.4.0 is already in cache
[INFO] testing filebuffer-0.4.0 against 1.38.0 for beta-1.39-1
[INFO] extracting crate filebuffer 0.4.0 into work/builds/worker-5/source
[INFO] validating manifest of crates.io crate filebuffer 0.4.0 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate filebuffer 0.4.0
[INFO] finished tweaking crates.io crate filebuffer 0.4.0
[INFO] tweaked toml for crates.io crate filebuffer 0.4.0 written to work/builds/worker-5/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 92abc2a0ed5502bd6f29484bbb3973dc18311c90a99d51bda4ad162afd5f4314
[INFO] running `"docker" "start" "-a" "92abc2a0ed5502bd6f29484bbb3973dc18311c90a99d51bda4ad162afd5f4314"`
[INFO] [stderr]    Compiling filebuffer v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.19s
[INFO] running `"docker" "inspect" "92abc2a0ed5502bd6f29484bbb3973dc18311c90a99d51bda4ad162afd5f4314"`
[INFO] running `"docker" "rm" "-f" "92abc2a0ed5502bd6f29484bbb3973dc18311c90a99d51bda4ad162afd5f4314"`
[INFO] [stdout] 92abc2a0ed5502bd6f29484bbb3973dc18311c90a99d51bda4ad162afd5f4314
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9e57043bb2de6ec25993e40e67724229ef7745e49454609e3e59fdd666892c57
[INFO] running `"docker" "start" "-a" "9e57043bb2de6ec25993e40e67724229ef7745e49454609e3e59fdd666892c57"`
[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/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.92s
[INFO] running `"docker" "inspect" "9e57043bb2de6ec25993e40e67724229ef7745e49454609e3e59fdd666892c57"`
[INFO] running `"docker" "rm" "-f" "9e57043bb2de6ec25993e40e67724229ef7745e49454609e3e59fdd666892c57"`
[INFO] [stdout] 9e57043bb2de6ec25993e40e67724229ef7745e49454609e3e59fdd666892c57
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 0683e595d7529cd8f2221f04bac1ce21211326e784f73d2cb9e4abf144f2769b
[INFO] running `"docker" "start" "-a" "0683e595d7529cd8f2221f04bac1ce21211326e784f73d2cb9e4abf144f2769b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/filebuffer-bcc29ec478423276
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test drop_after_leak ... ok
[INFO] [stdout] test empty_file_has_zero_resident_len ... ok
[INFO] [stdout] test empty_file_deref_is_fine ... ok
[INFO] [stdout] test empty_file_prefetch_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 page_size_at_least_4096 ... ok
[INFO] [stdout] test fbuffer_can_be_shared_among_threads ... ok
[INFO] [stdout] test open_file ... ok
[INFO] [stdout] test verify_round_down_to ... ok
[INFO] [stdout] test prefetch_is_not_harmful ... ok
[INFO] [stdout] test verify_round_up_to ... ok
[INFO] [stdout] test make_resident ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests filebuffer
[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" "0683e595d7529cd8f2221f04bac1ce21211326e784f73d2cb9e4abf144f2769b"`
[INFO] running `"docker" "rm" "-f" "0683e595d7529cd8f2221f04bac1ce21211326e784f73d2cb9e4abf144f2769b"`
[INFO] [stdout] 0683e595d7529cd8f2221f04bac1ce21211326e784f73d2cb9e4abf144f2769b