Nov 27 16:04:12.117 INFO checking zhangsoledad/lmdb_test against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 27 16:04:12.117 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-6/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-alt check --frozen --all --all-targets" "-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"`
Nov 27 16:04:12.542 INFO [stdout] 1fdfb8aa14916762e579f509491fb39c5d98189d3fd084f78457b66a67608c0a
Nov 27 16:04:12.544 INFO running `"docker" "start" "-a" "1fdfb8aa14916762e579f509491fb39c5d98189d3fd084f78457b66a67608c0a"`
Nov 27 16:04:13.784 INFO [stderr] usermod: no changes
Nov 27 16:04:13.968 INFO [stderr]    Compiling gcc v0.3.53
Nov 27 16:04:13.968 INFO [stderr]     Checking libc v0.2.30
Nov 27 16:04:13.968 INFO [stderr]     Checking either v1.1.0
Nov 27 16:04:13.968 INFO [stderr]     Checking scopeguard v0.3.2
Nov 27 16:04:13.968 INFO [stderr]    Compiling rayon-core v1.2.1
Nov 27 16:04:13.992 INFO [stderr]     Checking futures v0.1.15
Nov 27 16:04:13.992 INFO [stderr]     Checking bitflags v0.9.1
Nov 27 16:04:13.992 INFO [stderr]     Checking serde v1.0.11
Nov 27 16:04:14.952 INFO [stderr]    Compiling serde_derive_internals v0.15.1
Nov 27 16:04:15.507 INFO [stderr]     Checking coco v0.1.1
Nov 27 16:04:23.368 INFO [stderr]     Checking rand v0.3.16
Nov 27 16:04:23.560 INFO [stderr]     Checking num_cpus v1.6.2
Nov 27 16:04:23.724 INFO [stderr]    Compiling lmdb-sys v0.7.1
Nov 27 16:04:23.968 INFO [stderr]    Compiling serde_derive v1.0.11
Nov 27 16:04:29.549 INFO [stderr]     Checking tempdir v0.3.5
Nov 27 16:04:30.541 INFO [stderr]     Checking lmdb v0.7.1
Nov 27 16:04:33.656 INFO [stderr]     Checking rayon v0.8.2
Nov 27 16:04:44.528 INFO [stderr]     Checking bincode v0.8.0
Nov 27 16:04:45.303 INFO [stderr]     Checking lmdb_test v0.1.0 (/source)
Nov 27 16:04:45.772 INFO [stderr] warning: unused import: `Cursor`
Nov 27 16:04:45.773 INFO [stderr]  --> src/lmdb.rs:3:14
Nov 27 16:04:45.773 INFO [stderr]   |
Nov 27 16:04:45.773 INFO [stderr] 3 | use libmdb::{Cursor, Database, DatabaseFlags, Environment, Transaction, WriteFlags};
Nov 27 16:04:45.774 INFO [stderr]   |              ^^^^^^
Nov 27 16:04:45.774 INFO [stderr]   |
Nov 27 16:04:45.774 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 27 16:04:45.775 INFO [stderr] 
Nov 27 16:04:45.775 INFO [stderr] warning: unused import: `rayon::prelude`
Nov 27 16:04:45.775 INFO [stderr]   --> src/main.rs:11:5
Nov 27 16:04:45.776 INFO [stderr]    |
Nov 27 16:04:45.776 INFO [stderr] 11 | use rayon::prelude::*;
Nov 27 16:04:45.776 INFO [stderr]    |     ^^^^^^^^^^^^^^
Nov 27 16:04:45.777 INFO [stderr] 
Nov 27 16:04:45.792 INFO [stderr] warning: unused import: `Cursor`
Nov 27 16:04:45.793 INFO [stderr]  --> src/lmdb.rs:3:14
Nov 27 16:04:45.793 INFO [stderr]   |
Nov 27 16:04:45.793 INFO [stderr] 3 | use libmdb::{Cursor, Database, DatabaseFlags, Environment, Transaction, WriteFlags};
Nov 27 16:04:45.794 INFO [stderr]   |              ^^^^^^
Nov 27 16:04:45.794 INFO [stderr]   |
Nov 27 16:04:45.794 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 27 16:04:45.794 INFO [stderr] 
Nov 27 16:04:45.795 INFO [stderr] warning: unused import: `rayon::prelude`
Nov 27 16:04:45.795 INFO [stderr]   --> src/main.rs:11:5
Nov 27 16:04:45.795 INFO [stderr]    |
Nov 27 16:04:45.796 INFO [stderr] 11 | use rayon::prelude::*;
Nov 27 16:04:45.796 INFO [stderr]    |     ^^^^^^^^^^^^^^
Nov 27 16:04:45.796 INFO [stderr] 
Nov 27 16:04:45.840 INFO [stderr] warning: constant `height_key` should have an upper case name such as `HEIGHT_KEY`
Nov 27 16:04:45.841 INFO [stderr]  --> src/lmdb.rs:6:1
Nov 27 16:04:45.841 INFO [stderr]   |
Nov 27 16:04:45.841 INFO [stderr] 6 | const height_key: [u8; 1] = [104];
Nov 27 16:04:45.842 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 16:04:45.842 INFO [stderr] warning: constant `height_key` should have an upper case name such as `HEIGHT_KEY`
Nov 27 16:04:45.842 INFO [stderr]  --> src/lmdb.rs:6:1
Nov 27 16:04:45.843 INFO [stderr]   |
Nov 27 16:04:45.843 INFO [stderr] 6 | const height_key: [u8; 1] = [104];
Nov 27 16:04:45.843 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 16:04:45.844 INFO [stderr]   |
Nov 27 16:04:45.844 INFO [stderr]   = note: #[warn(non_upper_case_globals)] on by default
Nov 27 16:04:45.844 INFO [stderr] 
Nov 27 16:04:45.844 INFO [stderr] warning: constant `head_key` should have an upper case name such as `HEAD_KEY`
Nov 27 16:04:45.845 INFO [stderr]  --> src/lmdb.rs:7:1
Nov 27 16:04:45.845 INFO [stderr]   |
Nov 27 16:04:45.845 INFO [stderr] 7 | const head_key: [u8; 1] = [105];
Nov 27 16:04:45.846 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 16:04:45.846 INFO [stderr] 
Nov 27 16:04:45.846 INFO [stderr] warning: constant `tail_key` should have an upper case name such as `TAIL_KEY`
Nov 27 16:04:45.846 INFO [stderr]  --> src/lmdb.rs:8:1
Nov 27 16:04:45.846 INFO [stderr]   |
Nov 27 16:04:45.846 INFO [stderr] 8 | const tail_key: [u8; 1] = [116];
Nov 27 16:04:45.846 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 16:04:45.846 INFO [stderr] 
Nov 27 16:04:45.846 INFO [stderr]   |
Nov 27 16:04:45.848 INFO [stderr]   = note: #[warn(non_upper_case_globals)] on by default
Nov 27 16:04:45.848 INFO [stderr] 
Nov 27 16:04:45.848 INFO [stderr] warning: constant `head_key` should have an upper case name such as `HEAD_KEY`
Nov 27 16:04:45.848 INFO [stderr]  --> src/lmdb.rs:7:1
Nov 27 16:04:45.848 INFO [stderr]   |
Nov 27 16:04:45.848 INFO [stderr] 7 | const head_key: [u8; 1] = [105];
Nov 27 16:04:45.848 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 16:04:45.848 INFO [stderr] 
Nov 27 16:04:45.848 INFO [stderr] warning: constant `tail_key` should have an upper case name such as `TAIL_KEY`
Nov 27 16:04:45.848 INFO [stderr]  --> src/lmdb.rs:8:1
Nov 27 16:04:45.848 INFO [stderr]   |
Nov 27 16:04:45.848 INFO [stderr] 8 | const tail_key: [u8; 1] = [116];
Nov 27 16:04:45.848 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 16:04:45.848 INFO [stderr] 
Nov 27 16:04:45.850 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 16:04:45.850 INFO [stderr]   --> src/main.rs:18:5
Nov 27 16:04:45.850 INFO [stderr]    |
Nov 27 16:04:45.850 INFO [stderr] 18 |     db.clear();
Nov 27 16:04:45.850 INFO [stderr]    |     ^^^^^^^^^^^
Nov 27 16:04:45.850 INFO [stderr]    |
Nov 27 16:04:45.850 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 27 16:04:45.851 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 16:04:45.851 INFO [stderr] 
Nov 27 16:04:45.853 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 27 16:04:45.853 INFO [stderr]   --> src/main.rs:22:5
Nov 27 16:04:45.853 INFO [stderr]    |
Nov 27 16:04:45.853 INFO [stderr] 22 | /     height
Nov 27 16:04:45.853 INFO [stderr] 23 | |         .iter()
Nov 27 16:04:45.853 INFO [stderr] 24 | |         .map(|height| { db.save_height(*height); })
Nov 27 16:04:45.853 INFO [stderr] 25 | |         .collect::<Vec<()>>();
Nov 27 16:04:45.853 INFO [stderr]    | |______________________________^
Nov 27 16:04:45.853 INFO [stderr]    |
Nov 27 16:04:45.853 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 27 16:04:45.853 INFO [stderr] 
Nov 27 16:04:45.853 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 16:04:45.853 INFO [stderr]   --> src/main.rs:24:25
Nov 27 16:04:45.853 INFO [stderr]    |
Nov 27 16:04:45.853 INFO [stderr] 24 |         .map(|height| { db.save_height(*height); })
Nov 27 16:04:45.853 INFO [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 16:04:45.853 INFO [stderr]    |
Nov 27 16:04:45.853 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 16:04:45.853 INFO [stderr] 
Nov 27 16:04:45.855 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 16:04:45.855 INFO [stderr]   --> src/main.rs:18:5
Nov 27 16:04:45.855 INFO [stderr]    |
Nov 27 16:04:45.855 INFO [stderr] 18 |     db.clear();
Nov 27 16:04:45.855 INFO [stderr]    |     ^^^^^^^^^^^
Nov 27 16:04:45.855 INFO [stderr]    |
Nov 27 16:04:45.855 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 27 16:04:45.855 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 16:04:45.855 INFO [stderr] 
Nov 27 16:04:45.855 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 27 16:04:45.855 INFO [stderr]   --> src/main.rs:22:5
Nov 27 16:04:45.855 INFO [stderr]    |
Nov 27 16:04:45.855 INFO [stderr] 22 | /     height
Nov 27 16:04:45.855 INFO [stderr] 23 | |         .iter()
Nov 27 16:04:45.855 INFO [stderr] 24 | |         .map(|height| { db.save_height(*height); })
Nov 27 16:04:45.855 INFO [stderr] 25 | |         .collect::<Vec<()>>();
Nov 27 16:04:45.855 INFO [stderr]    | |______________________________^
Nov 27 16:04:45.855 INFO [stderr]    |
Nov 27 16:04:45.855 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 27 16:04:45.855 INFO [stderr] 
Nov 27 16:04:45.855 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 16:04:45.855 INFO [stderr]   --> src/main.rs:24:25
Nov 27 16:04:45.855 INFO [stderr]    |
Nov 27 16:04:45.855 INFO [stderr] 24 |         .map(|height| { db.save_height(*height); })
Nov 27 16:04:45.855 INFO [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 16:04:45.855 INFO [stderr]    |
Nov 27 16:04:45.855 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 16:04:45.855 INFO [stderr] 
Nov 27 16:04:45.909 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.09s
Nov 27 16:04:45.915 INFO [stderr] su: No module specific data is present
Nov 27 16:04:47.697 INFO running `"docker" "inspect" "1fdfb8aa14916762e579f509491fb39c5d98189d3fd084f78457b66a67608c0a"`
Nov 27 16:04:48.089 INFO running `"docker" "rm" "-f" "1fdfb8aa14916762e579f509491fb39c5d98189d3fd084f78457b66a67608c0a"`
Nov 27 16:04:48.401 INFO [stdout] 1fdfb8aa14916762e579f509491fb39c5d98189d3fd084f78457b66a67608c0a