Dec 12 19:32:12.256 INFO testing zhangsoledad/lmdb_test against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 12 19:32:12.256 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 19:32:12.869 INFO [stdout] a6828f14bede6e1e615eb6bb4f796fe698a97853defcf49e80315991879b1245
Dec 12 19:32:12.871 INFO running `"docker" "start" "-a" "a6828f14bede6e1e615eb6bb4f796fe698a97853defcf49e80315991879b1245"`
Dec 12 19:32:14.327 INFO [stderr] usermod: no changes
Dec 12 19:32:14.451 INFO [stderr]    Compiling gcc v0.3.53
Dec 12 19:32:14.451 INFO [stderr]    Compiling libc v0.2.30
Dec 12 19:32:14.451 INFO [stderr]    Compiling either v1.1.0
Dec 12 19:32:14.451 INFO [stderr]    Compiling rayon-core v1.2.1
Dec 12 19:32:14.451 INFO [stderr]    Compiling scopeguard v0.3.2
Dec 12 19:32:14.463 INFO [stderr]    Compiling lazy_static v0.2.8
Dec 12 19:32:14.463 INFO [stderr]    Compiling futures v0.1.15
Dec 12 19:32:14.463 INFO [stderr]    Compiling bitflags v0.9.1
Dec 12 19:32:15.057 INFO [stderr]    Compiling serde v1.0.11
Dec 12 19:32:15.239 INFO [stderr]    Compiling serde_derive_internals v0.15.1
Dec 12 19:32:16.059 INFO [stderr]    Compiling coco v0.1.1
Dec 12 19:32:18.647 INFO [stderr]    Compiling num_cpus v1.6.2
Dec 12 19:32:18.647 INFO [stderr]    Compiling rand v0.3.16
Dec 12 19:32:23.053 INFO [stderr]    Compiling serde_derive v1.0.11
Dec 12 19:32:25.920 INFO [stderr]    Compiling lmdb-sys v0.7.1
Dec 12 19:32:27.919 INFO [stderr]    Compiling tempdir v0.3.5
Dec 12 19:32:31.699 INFO [stderr]    Compiling lmdb v0.7.1
Dec 12 19:32:37.256 INFO [stderr]    Compiling rayon v0.8.2
Dec 12 19:32:43.462 INFO [stderr]    Compiling bincode v0.8.0
Dec 12 19:32:44.305 INFO [stderr]    Compiling lmdb_test v0.1.0 (/source)
Dec 12 19:32:44.543 INFO [stderr] warning: unused import: `Cursor`
Dec 12 19:32:44.543 INFO [stderr]  --> src/lmdb.rs:3:14
Dec 12 19:32:44.543 INFO [stderr]   |
Dec 12 19:32:44.543 INFO [stderr] 3 | use libmdb::{Cursor, Database, DatabaseFlags, Environment, Transaction, WriteFlags};
Dec 12 19:32:44.543 INFO [stderr]   |              ^^^^^^
Dec 12 19:32:44.543 INFO [stderr]   |
Dec 12 19:32:44.543 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 19:32:44.543 INFO [stderr] 
Dec 12 19:32:44.543 INFO [stderr] warning: unused import: `rayon::prelude`
Dec 12 19:32:44.543 INFO [stderr]   --> src/main.rs:11:5
Dec 12 19:32:44.543 INFO [stderr]    |
Dec 12 19:32:44.543 INFO [stderr] 11 | use rayon::prelude::*;
Dec 12 19:32:44.543 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 12 19:32:44.543 INFO [stderr] 
Dec 12 19:32:44.566 INFO [stderr] warning: constant `height_key` should have an upper case name such as `HEIGHT_KEY`
Dec 12 19:32:44.566 INFO [stderr]  --> src/lmdb.rs:6:1
Dec 12 19:32:44.567 INFO [stderr]   |
Dec 12 19:32:44.567 INFO [stderr] 6 | const height_key: [u8; 1] = [104];
Dec 12 19:32:44.567 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 19:32:44.567 INFO [stderr]   |
Dec 12 19:32:44.567 INFO [stderr]   = note: #[warn(non_upper_case_globals)] on by default
Dec 12 19:32:44.567 INFO [stderr] 
Dec 12 19:32:44.567 INFO [stderr] warning: constant `head_key` should have an upper case name such as `HEAD_KEY`
Dec 12 19:32:44.567 INFO [stderr]  --> src/lmdb.rs:7:1
Dec 12 19:32:44.567 INFO [stderr]   |
Dec 12 19:32:44.567 INFO [stderr] 7 | const head_key: [u8; 1] = [105];
Dec 12 19:32:44.567 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 19:32:44.567 INFO [stderr] 
Dec 12 19:32:44.567 INFO [stderr] warning: constant `tail_key` should have an upper case name such as `TAIL_KEY`
Dec 12 19:32:44.567 INFO [stderr]  --> src/lmdb.rs:8:1
Dec 12 19:32:44.567 INFO [stderr]   |
Dec 12 19:32:44.567 INFO [stderr] 8 | const tail_key: [u8; 1] = [116];
Dec 12 19:32:44.567 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 19:32:44.567 INFO [stderr] 
Dec 12 19:32:44.567 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 19:32:44.567 INFO [stderr]   --> src/main.rs:18:5
Dec 12 19:32:44.567 INFO [stderr]    |
Dec 12 19:32:44.567 INFO [stderr] 18 |     db.clear();
Dec 12 19:32:44.567 INFO [stderr]    |     ^^^^^^^^^^^
Dec 12 19:32:44.567 INFO [stderr]    |
Dec 12 19:32:44.567 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 19:32:44.567 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 19:32:44.567 INFO [stderr] 
Dec 12 19:32:44.568 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 12 19:32:44.568 INFO [stderr]   --> src/main.rs:22:5
Dec 12 19:32:44.568 INFO [stderr]    |
Dec 12 19:32:44.568 INFO [stderr] 22 | /     height
Dec 12 19:32:44.568 INFO [stderr] 23 | |         .iter()
Dec 12 19:32:44.568 INFO [stderr] 24 | |         .map(|height| { db.save_height(*height); })
Dec 12 19:32:44.568 INFO [stderr] 25 | |         .collect::<Vec<()>>();
Dec 12 19:32:44.568 INFO [stderr]    | |______________________________^
Dec 12 19:32:44.568 INFO [stderr]    |
Dec 12 19:32:44.568 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 12 19:32:44.568 INFO [stderr] 
Dec 12 19:32:44.568 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 19:32:44.568 INFO [stderr]   --> src/main.rs:24:25
Dec 12 19:32:44.568 INFO [stderr]    |
Dec 12 19:32:44.568 INFO [stderr] 24 |         .map(|height| { db.save_height(*height); })
Dec 12 19:32:44.568 INFO [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 19:32:44.568 INFO [stderr]    |
Dec 12 19:32:44.568 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 19:32:44.568 INFO [stderr] 
Dec 12 19:32:45.318 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.96s
Dec 12 19:32:45.327 INFO [stderr] su: No module specific data is present
Dec 12 19:32:48.455 INFO running `"docker" "inspect" "a6828f14bede6e1e615eb6bb4f796fe698a97853defcf49e80315991879b1245"`
Dec 12 19:32:48.765 INFO running `"docker" "rm" "-f" "a6828f14bede6e1e615eb6bb4f796fe698a97853defcf49e80315991879b1245"`
Dec 12 19:32:49.052 INFO [stdout] a6828f14bede6e1e615eb6bb4f796fe698a97853defcf49e80315991879b1245
Dec 12 19:32:49.059 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 19:32:49.551 INFO [stdout] 8a4f1e6ed6983c55b051a2834a811a9be6d55b9ce04d3d07eed2554fc7551b9c
Dec 12 19:32:49.553 INFO running `"docker" "start" "-a" "8a4f1e6ed6983c55b051a2834a811a9be6d55b9ce04d3d07eed2554fc7551b9c"`
Dec 12 19:32:51.174 INFO [stderr] usermod: no changes
Dec 12 19:32:51.279 INFO [stderr]    Compiling lmdb_test v0.1.0 (/source)
Dec 12 19:32:51.679 INFO [stderr] warning: unused import: `Cursor`
Dec 12 19:32:51.679 INFO [stderr]  --> src/lmdb.rs:3:14
Dec 12 19:32:51.679 INFO [stderr]   |
Dec 12 19:32:51.679 INFO [stderr] 3 | use libmdb::{Cursor, Database, DatabaseFlags, Environment, Transaction, WriteFlags};
Dec 12 19:32:51.679 INFO [stderr]   |              ^^^^^^
Dec 12 19:32:51.679 INFO [stderr]   |
Dec 12 19:32:51.679 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 19:32:51.679 INFO [stderr] 
Dec 12 19:32:51.679 INFO [stderr] warning: unused import: `rayon::prelude`
Dec 12 19:32:51.679 INFO [stderr]   --> src/main.rs:11:5
Dec 12 19:32:51.679 INFO [stderr]    |
Dec 12 19:32:51.679 INFO [stderr] 11 | use rayon::prelude::*;
Dec 12 19:32:51.679 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 12 19:32:51.679 INFO [stderr] 
Dec 12 19:32:51.723 INFO [stderr] warning: constant `height_key` should have an upper case name such as `HEIGHT_KEY`
Dec 12 19:32:51.723 INFO [stderr]  --> src/lmdb.rs:6:1
Dec 12 19:32:51.723 INFO [stderr]   |
Dec 12 19:32:51.723 INFO [stderr] 6 | const height_key: [u8; 1] = [104];
Dec 12 19:32:51.723 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 19:32:51.723 INFO [stderr]   |
Dec 12 19:32:51.723 INFO [stderr]   = note: #[warn(non_upper_case_globals)] on by default
Dec 12 19:32:51.723 INFO [stderr] 
Dec 12 19:32:51.723 INFO [stderr] warning: constant `head_key` should have an upper case name such as `HEAD_KEY`
Dec 12 19:32:51.723 INFO [stderr]  --> src/lmdb.rs:7:1
Dec 12 19:32:51.723 INFO [stderr]   |
Dec 12 19:32:51.723 INFO [stderr] 7 | const head_key: [u8; 1] = [105];
Dec 12 19:32:51.723 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 19:32:51.723 INFO [stderr] 
Dec 12 19:32:51.723 INFO [stderr] warning: constant `tail_key` should have an upper case name such as `TAIL_KEY`
Dec 12 19:32:51.723 INFO [stderr]  --> src/lmdb.rs:8:1
Dec 12 19:32:51.723 INFO [stderr]   |
Dec 12 19:32:51.723 INFO [stderr] 8 | const tail_key: [u8; 1] = [116];
Dec 12 19:32:51.723 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 19:32:51.723 INFO [stderr] 
Dec 12 19:32:51.723 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 19:32:51.723 INFO [stderr]   --> src/main.rs:18:5
Dec 12 19:32:51.723 INFO [stderr]    |
Dec 12 19:32:51.723 INFO [stderr] 18 |     db.clear();
Dec 12 19:32:51.723 INFO [stderr]    |     ^^^^^^^^^^^
Dec 12 19:32:51.723 INFO [stderr]    |
Dec 12 19:32:51.723 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 19:32:51.723 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 19:32:51.723 INFO [stderr] 
Dec 12 19:32:51.723 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 12 19:32:51.723 INFO [stderr]   --> src/main.rs:22:5
Dec 12 19:32:51.723 INFO [stderr]    |
Dec 12 19:32:51.724 INFO [stderr] 22 | /     height
Dec 12 19:32:51.724 INFO [stderr] 23 | |         .iter()
Dec 12 19:32:51.724 INFO [stderr] 24 | |         .map(|height| { db.save_height(*height); })
Dec 12 19:32:51.724 INFO [stderr] 25 | |         .collect::<Vec<()>>();
Dec 12 19:32:51.724 INFO [stderr]    | |______________________________^
Dec 12 19:32:51.724 INFO [stderr]    |
Dec 12 19:32:51.724 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 12 19:32:51.724 INFO [stderr] 
Dec 12 19:32:51.724 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 19:32:51.724 INFO [stderr]   --> src/main.rs:24:25
Dec 12 19:32:51.724 INFO [stderr]    |
Dec 12 19:32:51.724 INFO [stderr] 24 |         .map(|height| { db.save_height(*height); })
Dec 12 19:32:51.724 INFO [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 19:32:51.724 INFO [stderr]    |
Dec 12 19:32:51.724 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 19:32:51.724 INFO [stderr] 
Dec 12 19:32:52.106 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
Dec 12 19:32:52.112 INFO [stderr] su: No module specific data is present
Dec 12 19:32:53.268 INFO running `"docker" "inspect" "8a4f1e6ed6983c55b051a2834a811a9be6d55b9ce04d3d07eed2554fc7551b9c"`
Dec 12 19:32:53.591 INFO running `"docker" "rm" "-f" "8a4f1e6ed6983c55b051a2834a811a9be6d55b9ce04d3d07eed2554fc7551b9c"`
Dec 12 19:32:53.893 INFO [stdout] 8a4f1e6ed6983c55b051a2834a811a9be6d55b9ce04d3d07eed2554fc7551b9c
Dec 12 19:32:53.901 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 19:32:54.323 INFO [stdout] 25380650234c6a8eec0d17da810a158952b983bf674b3f00a9c42c41430652a1
Dec 12 19:32:54.331 INFO running `"docker" "start" "-a" "25380650234c6a8eec0d17da810a158952b983bf674b3f00a9c42c41430652a1"`
Dec 12 19:32:55.567 INFO [stderr] usermod: no changes
Dec 12 19:32:55.672 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
Dec 12 19:32:55.675 INFO [stderr]      Running /target/debug/deps/lmdb_test-08e34f4b49858cc5
Dec 12 19:32:55.683 INFO [stdout] 
Dec 12 19:32:55.683 INFO [stdout] running 0 tests
Dec 12 19:32:55.683 INFO [stdout] 
Dec 12 19:32:55.683 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 12 19:32:55.683 INFO [stdout] 
Dec 12 19:32:55.685 INFO [stderr] su: No module specific data is present
Dec 12 19:32:56.687 INFO running `"docker" "inspect" "25380650234c6a8eec0d17da810a158952b983bf674b3f00a9c42c41430652a1"`
Dec 12 19:32:56.989 INFO running `"docker" "rm" "-f" "25380650234c6a8eec0d17da810a158952b983bf674b3f00a9c42c41430652a1"`
Dec 12 19:32:57.267 INFO [stdout] 25380650234c6a8eec0d17da810a158952b983bf674b3f00a9c42c41430652a1