Dec 04 06:06:19.263 INFO checking zhangsoledad/lmdb_test against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 06:06:19.263 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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"`
Dec 04 06:06:19.739 INFO [stdout] 823a684ad1fe4d570646190f6124ea675e28be5bdfdb86adabedbffc1d06ef14
Dec 04 06:06:19.741 INFO running `"docker" "start" "-a" "823a684ad1fe4d570646190f6124ea675e28be5bdfdb86adabedbffc1d06ef14"`
Dec 04 06:06:21.242 INFO [stderr] usermod: no changes
Dec 04 06:06:21.415 INFO [stderr]    Compiling gcc v0.3.53
Dec 04 06:06:21.415 INFO [stderr]     Checking either v1.1.0
Dec 04 06:06:21.423 INFO [stderr]    Compiling rayon-core v1.2.1
Dec 04 06:06:21.423 INFO [stderr]     Checking scopeguard v0.3.2
Dec 04 06:06:21.423 INFO [stderr]     Checking libc v0.2.30
Dec 04 06:06:21.423 INFO [stderr]     Checking futures v0.1.15
Dec 04 06:06:21.423 INFO [stderr]     Checking serde v1.0.11
Dec 04 06:06:21.423 INFO [stderr]     Checking bitflags v0.9.1
Dec 04 06:06:21.823 INFO [stderr]    Compiling serde_derive_internals v0.15.1
Dec 04 06:06:23.108 INFO [stderr]     Checking coco v0.1.1
Dec 04 06:06:26.787 INFO [stderr]     Checking num_cpus v1.6.2
Dec 04 06:06:26.787 INFO [stderr]     Checking rand v0.3.16
Dec 04 06:06:33.408 INFO [stderr]    Compiling serde_derive v1.0.11
Dec 04 06:06:33.687 INFO [stderr]    Compiling lmdb-sys v0.7.1
Dec 04 06:06:35.327 INFO [stderr]     Checking tempdir v0.3.5
Dec 04 06:06:39.703 INFO [stderr]     Checking lmdb v0.7.1
Dec 04 06:06:40.940 INFO [stderr]     Checking rayon v0.8.2
Dec 04 06:06:52.035 INFO [stderr]     Checking bincode v0.8.0
Dec 04 06:06:52.750 INFO [stderr]     Checking lmdb_test v0.1.0 (/source)
Dec 04 06:06:53.155 INFO [stderr] warning: unused import: `Cursor`
Dec 04 06:06:53.155 INFO [stderr]  --> src/lmdb.rs:3:14
Dec 04 06:06:53.155 INFO [stderr]   |
Dec 04 06:06:53.155 INFO [stderr] 3 | use libmdb::{Cursor, Database, DatabaseFlags, Environment, Transaction, WriteFlags};
Dec 04 06:06:53.155 INFO [stderr]   |              ^^^^^^
Dec 04 06:06:53.155 INFO [stderr]   |
Dec 04 06:06:53.155 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 06:06:53.155 INFO [stderr] 
Dec 04 06:06:53.155 INFO [stderr] warning: unused import: `rayon::prelude`
Dec 04 06:06:53.155 INFO [stderr]   --> src/main.rs:11:5
Dec 04 06:06:53.155 INFO [stderr]    |
Dec 04 06:06:53.155 INFO [stderr] 11 | use rayon::prelude::*;
Dec 04 06:06:53.155 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 04 06:06:53.155 INFO [stderr] 
Dec 04 06:06:53.175 INFO [stderr] warning: unused import: `Cursor`
Dec 04 06:06:53.175 INFO [stderr]  --> src/lmdb.rs:3:14
Dec 04 06:06:53.175 INFO [stderr]   |
Dec 04 06:06:53.175 INFO [stderr] 3 | use libmdb::{Cursor, Database, DatabaseFlags, Environment, Transaction, WriteFlags};
Dec 04 06:06:53.175 INFO [stderr]   |              ^^^^^^
Dec 04 06:06:53.175 INFO [stderr]   |
Dec 04 06:06:53.175 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 06:06:53.175 INFO [stderr] 
Dec 04 06:06:53.175 INFO [stderr] warning: unused import: `rayon::prelude`
Dec 04 06:06:53.175 INFO [stderr]   --> src/main.rs:11:5
Dec 04 06:06:53.175 INFO [stderr]    |
Dec 04 06:06:53.175 INFO [stderr] 11 | use rayon::prelude::*;
Dec 04 06:06:53.175 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 04 06:06:53.175 INFO [stderr] 
Dec 04 06:06:53.199 INFO [stderr] warning: constant `height_key` should have an upper case name such as `HEIGHT_KEY`
Dec 04 06:06:53.199 INFO [stderr]  --> src/lmdb.rs:6:1
Dec 04 06:06:53.199 INFO [stderr]   |
Dec 04 06:06:53.199 INFO [stderr] 6 | const height_key: [u8; 1] = [104];
Dec 04 06:06:53.199 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 06:06:53.199 INFO [stderr]   |
Dec 04 06:06:53.199 INFO [stderr]   = note: #[warn(non_upper_case_globals)] on by default
Dec 04 06:06:53.199 INFO [stderr] 
Dec 04 06:06:53.199 INFO [stderr] warning: constant `head_key` should have an upper case name such as `HEAD_KEY`
Dec 04 06:06:53.199 INFO [stderr]  --> src/lmdb.rs:7:1
Dec 04 06:06:53.199 INFO [stderr]   |
Dec 04 06:06:53.199 INFO [stderr] 7 | const head_key: [u8; 1] = [105];
Dec 04 06:06:53.199 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 06:06:53.199 INFO [stderr] 
Dec 04 06:06:53.199 INFO [stderr] warning: constant `tail_key` should have an upper case name such as `TAIL_KEY`
Dec 04 06:06:53.199 INFO [stderr]  --> src/lmdb.rs:8:1
Dec 04 06:06:53.199 INFO [stderr]   |
Dec 04 06:06:53.199 INFO [stderr] 8 | const tail_key: [u8; 1] = [116];
Dec 04 06:06:53.199 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 06:06:53.199 INFO [stderr] 
Dec 04 06:06:53.199 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 06:06:53.199 INFO [stderr]   --> src/main.rs:18:5
Dec 04 06:06:53.199 INFO [stderr]    |
Dec 04 06:06:53.199 INFO [stderr] 18 |     db.clear();
Dec 04 06:06:53.199 INFO [stderr]    |     ^^^^^^^^^^^
Dec 04 06:06:53.199 INFO [stderr]    |
Dec 04 06:06:53.199 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 06:06:53.199 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 06:06:53.199 INFO [stderr] 
Dec 04 06:06:53.199 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 04 06:06:53.199 INFO [stderr]   --> src/main.rs:22:5
Dec 04 06:06:53.199 INFO [stderr]    |
Dec 04 06:06:53.199 INFO [stderr] 22 | /     height
Dec 04 06:06:53.199 INFO [stderr] 23 | |         .iter()
Dec 04 06:06:53.199 INFO [stderr] 24 | |         .map(|height| { db.save_height(*height); })
Dec 04 06:06:53.199 INFO [stderr] 25 | |         .collect::<Vec<()>>();
Dec 04 06:06:53.199 INFO [stderr]    | |______________________________^
Dec 04 06:06:53.199 INFO [stderr]    |
Dec 04 06:06:53.199 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 04 06:06:53.199 INFO [stderr] 
Dec 04 06:06:53.199 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 06:06:53.200 INFO [stderr]   --> src/main.rs:24:25
Dec 04 06:06:53.200 INFO [stderr]    |
Dec 04 06:06:53.200 INFO [stderr] 24 |         .map(|height| { db.save_height(*height); })
Dec 04 06:06:53.200 INFO [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 06:06:53.200 INFO [stderr]    |
Dec 04 06:06:53.200 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 06:06:53.200 INFO [stderr] 
Dec 04 06:06:53.200 INFO [stderr] warning: constant `height_key` should have an upper case name such as `HEIGHT_KEY`
Dec 04 06:06:53.200 INFO [stderr]  --> src/lmdb.rs:6:1
Dec 04 06:06:53.200 INFO [stderr]   |
Dec 04 06:06:53.200 INFO [stderr] 6 | const height_key: [u8; 1] = [104];
Dec 04 06:06:53.200 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 06:06:53.200 INFO [stderr]   |
Dec 04 06:06:53.200 INFO [stderr]   = note: #[warn(non_upper_case_globals)] on by default
Dec 04 06:06:53.200 INFO [stderr] 
Dec 04 06:06:53.200 INFO [stderr] warning: constant `head_key` should have an upper case name such as `HEAD_KEY`
Dec 04 06:06:53.200 INFO [stderr]  --> src/lmdb.rs:7:1
Dec 04 06:06:53.200 INFO [stderr]   |
Dec 04 06:06:53.200 INFO [stderr] 7 | const head_key: [u8; 1] = [105];
Dec 04 06:06:53.200 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 06:06:53.200 INFO [stderr] 
Dec 04 06:06:53.200 INFO [stderr] warning: constant `tail_key` should have an upper case name such as `TAIL_KEY`
Dec 04 06:06:53.200 INFO [stderr]  --> src/lmdb.rs:8:1
Dec 04 06:06:53.200 INFO [stderr]   |
Dec 04 06:06:53.200 INFO [stderr] 8 | const tail_key: [u8; 1] = [116];
Dec 04 06:06:53.200 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 06:06:53.200 INFO [stderr] 
Dec 04 06:06:53.200 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 06:06:53.200 INFO [stderr]   --> src/main.rs:18:5
Dec 04 06:06:53.200 INFO [stderr]    |
Dec 04 06:06:53.200 INFO [stderr] 18 |     db.clear();
Dec 04 06:06:53.200 INFO [stderr]    |     ^^^^^^^^^^^
Dec 04 06:06:53.200 INFO [stderr]    |
Dec 04 06:06:53.200 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 06:06:53.200 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 06:06:53.200 INFO [stderr] 
Dec 04 06:06:53.200 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 04 06:06:53.200 INFO [stderr]   --> src/main.rs:22:5
Dec 04 06:06:53.200 INFO [stderr]    |
Dec 04 06:06:53.200 INFO [stderr] 22 | /     height
Dec 04 06:06:53.200 INFO [stderr] 23 | |         .iter()
Dec 04 06:06:53.200 INFO [stderr] 24 | |         .map(|height| { db.save_height(*height); })
Dec 04 06:06:53.200 INFO [stderr] 25 | |         .collect::<Vec<()>>();
Dec 04 06:06:53.200 INFO [stderr]    | |______________________________^
Dec 04 06:06:53.200 INFO [stderr]    |
Dec 04 06:06:53.200 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 04 06:06:53.200 INFO [stderr] 
Dec 04 06:06:53.200 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 06:06:53.200 INFO [stderr]   --> src/main.rs:24:25
Dec 04 06:06:53.200 INFO [stderr]    |
Dec 04 06:06:53.200 INFO [stderr] 24 |         .map(|height| { db.save_height(*height); })
Dec 04 06:06:53.200 INFO [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 06:06:53.200 INFO [stderr]    |
Dec 04 06:06:53.200 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 06:06:53.200 INFO [stderr] 
Dec 04 06:06:53.251 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.99s
Dec 04 06:06:53.263 INFO [stderr] su: No module specific data is present
Dec 04 06:06:54.805 INFO running `"docker" "inspect" "823a684ad1fe4d570646190f6124ea675e28be5bdfdb86adabedbffc1d06ef14"`
Dec 04 06:06:55.219 INFO running `"docker" "rm" "-f" "823a684ad1fe4d570646190f6124ea675e28be5bdfdb86adabedbffc1d06ef14"`
Dec 04 06:06:55.575 INFO [stdout] 823a684ad1fe4d570646190f6124ea675e28be5bdfdb86adabedbffc1d06ef14