[INFO] fetching crate hammersbald 2.0.7...
[INFO] extracting crate hammersbald 2.0.7 into work/ex/beta-1.37-6/sources/1.36.0/reg/hammersbald/2.0.7
[INFO] extracting crate hammersbald 2.0.7 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/hammersbald/2.0.7
[INFO] validating manifest of hammersbald-2.0.7 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of hammersbald-2.0.7 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing hammersbald-2.0.7
[INFO] finished frobbing hammersbald-2.0.7
[INFO] frobbed toml for hammersbald-2.0.7 written to work/ex/beta-1.37-6/sources/1.36.0/reg/hammersbald/2.0.7/Cargo.toml
[INFO] started frobbing hammersbald-2.0.7
[INFO] finished frobbing hammersbald-2.0.7
[INFO] frobbed toml for hammersbald-2.0.7 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/hammersbald/2.0.7/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing hammersbald-2.0.7 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/hammersbald/2.0.7:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] ee4c798abdfe0986fb8825b80c38f67124008226d63017e260e5ca610a5f58a8
[INFO] running `"docker" "start" "-a" "ee4c798abdfe0986fb8825b80c38f67124008226d63017e260e5ca610a5f58a8"`
[INFO] [stderr]    Compiling hammersbald v2.0.7 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `PAGE_PAYLOAD_SIZE`
[INFO] [stderr]   --> src/pagedfile.rs:20:29
[INFO] [stderr]    |
[INFO] [stderr] 20 | use page::{Page, PAGE_SIZE, PAGE_PAYLOAD_SIZE};
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `max`
[INFO] [stderr]   --> src/pagedfile.rs:24:16
[INFO] [stderr]    |
[INFO] [stderr] 24 | use std::cmp::{max,min};
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `min`
[INFO] [stderr]   --> src/singlefile.rs:29:21
[INFO] [stderr]    |
[INFO] [stderr] 29 | use std::cmp::{max, min};
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `min`
[INFO] [stderr]   --> src/rolledfile.rs:30:21
[INFO] [stderr]    |
[INFO] [stderr] 30 | use std::cmp::{max, min};
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.61s
[INFO] running `"docker" "inspect" "ee4c798abdfe0986fb8825b80c38f67124008226d63017e260e5ca610a5f58a8"`
[INFO] running `"docker" "rm" "-f" "ee4c798abdfe0986fb8825b80c38f67124008226d63017e260e5ca610a5f58a8"`
[INFO] [stdout] ee4c798abdfe0986fb8825b80c38f67124008226d63017e260e5ca610a5f58a8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/hammersbald/2.0.7:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 06643514981e667068d1c08cee5cbb510578430cdb5e2b938e687f5abca5749d
[INFO] running `"docker" "start" "-a" "06643514981e667068d1c08cee5cbb510578430cdb5e2b938e687f5abca5749d"`
[INFO] [stderr]    Compiling hammersbald v2.0.7 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `PAGE_PAYLOAD_SIZE`
[INFO] [stderr]   --> src/pagedfile.rs:20:29
[INFO] [stderr]    |
[INFO] [stderr] 20 | use page::{Page, PAGE_SIZE, PAGE_PAYLOAD_SIZE};
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `max`
[INFO] [stderr]   --> src/pagedfile.rs:24:16
[INFO] [stderr]    |
[INFO] [stderr] 24 | use std::cmp::{max,min};
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `min`
[INFO] [stderr]   --> src/singlefile.rs:29:21
[INFO] [stderr]    |
[INFO] [stderr] 29 | use std::cmp::{max, min};
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `min`
[INFO] [stderr]   --> src/rolledfile.rs:30:21
[INFO] [stderr]    |
[INFO] [stderr] 30 | use std::cmp::{max, min};
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.79s
[INFO] running `"docker" "inspect" "06643514981e667068d1c08cee5cbb510578430cdb5e2b938e687f5abca5749d"`
[INFO] running `"docker" "rm" "-f" "06643514981e667068d1c08cee5cbb510578430cdb5e2b938e687f5abca5749d"`
[INFO] [stdout] 06643514981e667068d1c08cee5cbb510578430cdb5e2b938e687f5abca5749d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/hammersbald/2.0.7:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 28036570bfcaaf7e26f77707a311b8047218127de14c13e5e871de12baea37ed
[INFO] running `"docker" "start" "-a" "28036570bfcaaf7e26f77707a311b8047218127de14c13e5e871de12baea37ed"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hammersbald-54b3fe427c7231d6
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test memtable::test::test_dirty ... ok
[INFO] [stdout] test memtable::test::test ... ok
[INFO] [stdout] test api::test::test_two_batches ... ok
[INFO] [stderr]    Doc-tests hammersbald
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "28036570bfcaaf7e26f77707a311b8047218127de14c13e5e871de12baea37ed"`
[INFO] running `"docker" "rm" "-f" "28036570bfcaaf7e26f77707a311b8047218127de14c13e5e871de12baea37ed"`
[INFO] [stdout] 28036570bfcaaf7e26f77707a311b8047218127de14c13e5e871de12baea37ed