Oct 12 09:49:50.602 INFO checking zhangsoledad/lmdb_test against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 09:49:50.602 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-3/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 12 09:49:51.046 INFO blam! 24d4ab830c30682173663ab3b8cd83d7accb1a06dd6f0ee805f0b3296e59e6b1
Oct 12 09:49:51.046 INFO running `"docker" "start" "-a" "24d4ab830c30682173663ab3b8cd83d7accb1a06dd6f0ee805f0b3296e59e6b1"`
Oct 12 09:49:52.400 INFO kablam! usermod: no changes
Oct 12 09:49:52.524 INFO kablam!    Compiling gcc v0.3.53
Oct 12 09:49:52.536 INFO kablam!    Compiling pkg-config v0.3.9
Oct 12 09:49:52.536 INFO kablam!    Compiling rayon-core v1.2.1
Oct 12 09:49:52.544 INFO kablam!     Checking libc v0.2.30
Oct 12 09:49:52.544 INFO kablam!     Checking either v1.1.0
Oct 12 09:49:52.544 INFO kablam!     Checking scopeguard v0.3.2
Oct 12 09:49:52.556 INFO kablam!     Checking lazy_static v0.2.8
Oct 12 09:49:52.556 INFO kablam!     Checking futures v0.1.15
Oct 12 09:49:53.428 INFO kablam!     Checking bitflags v0.9.1
Oct 12 09:49:53.811 INFO kablam!     Checking byteorder v1.1.0
Oct 12 09:49:54.548 INFO kablam!     Checking num-traits v0.1.40
Oct 12 09:49:54.716 INFO kablam!     Checking serde v1.0.11
Oct 12 09:49:55.516 INFO kablam!    Compiling synom v0.11.3
Oct 12 09:49:59.869 INFO kablam!     Checking coco v0.1.1
Oct 12 09:50:00.127 INFO kablam!    Compiling syn v0.11.11
Oct 12 09:50:00.589 INFO kablam!     Checking rand v0.3.16
Oct 12 09:50:05.548 INFO kablam!     Checking num_cpus v1.6.2
Oct 12 09:50:06.021 INFO kablam!    Compiling lmdb-sys v0.7.1
Oct 12 09:50:09.225 INFO kablam!     Checking tempdir v0.3.5
Oct 12 09:50:12.265 INFO kablam!     Checking lmdb v0.7.1
Oct 12 09:50:17.053 INFO kablam!     Checking rayon v0.8.2
Oct 12 09:50:20.429 INFO kablam!    Compiling serde_derive_internals v0.15.1
Oct 12 09:50:26.166 INFO kablam!    Compiling serde_derive v1.0.11
Oct 12 09:50:32.404 INFO kablam!     Checking bincode v0.8.0
Oct 12 09:50:36.404 INFO kablam!     Checking lmdb_test v0.1.0 (/source)
Oct 12 09:50:36.753 INFO kablam! warning: unused import: `Cursor`
Oct 12 09:50:36.753 INFO kablam!  --> src/lmdb.rs:3:14
Oct 12 09:50:36.753 INFO kablam!   |
Oct 12 09:50:36.753 INFO kablam! 3 | use libmdb::{Cursor, Database, DatabaseFlags, Environment, Transaction, WriteFlags};
Oct 12 09:50:36.753 INFO kablam!   |              ^^^^^^
Oct 12 09:50:36.753 INFO kablam!   |
Oct 12 09:50:36.753 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 09:50:36.753 INFO kablam! 
Oct 12 09:50:36.753 INFO kablam! warning: unused import: `rayon::prelude`
Oct 12 09:50:36.753 INFO kablam!   --> src/main.rs:11:5
Oct 12 09:50:36.754 INFO kablam!    |
Oct 12 09:50:36.754 INFO kablam! 11 | use rayon::prelude::*;
Oct 12 09:50:36.754 INFO kablam!    |     ^^^^^^^^^^^^^^
Oct 12 09:50:36.754 INFO kablam! 
Oct 12 09:50:36.792 INFO kablam! warning: constant `height_key` should have an upper case name such as `HEIGHT_KEY`
Oct 12 09:50:36.792 INFO kablam!  --> src/lmdb.rs:6:1
Oct 12 09:50:36.792 INFO kablam!   |
Oct 12 09:50:36.792 INFO kablam! 6 | const height_key: [u8; 1] = [104];
Oct 12 09:50:36.792 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 09:50:36.792 INFO kablam!   |
Oct 12 09:50:36.792 INFO kablam!   = note: #[warn(non_upper_case_globals)] on by default
Oct 12 09:50:36.792 INFO kablam! 
Oct 12 09:50:36.792 INFO kablam! warning: constant `head_key` should have an upper case name such as `HEAD_KEY`
Oct 12 09:50:36.792 INFO kablam!  --> src/lmdb.rs:7:1
Oct 12 09:50:36.792 INFO kablam!   |
Oct 12 09:50:36.792 INFO kablam! 7 | const head_key: [u8; 1] = [105];
Oct 12 09:50:36.792 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 09:50:36.792 INFO kablam! 
Oct 12 09:50:36.792 INFO kablam! warning: constant `tail_key` should have an upper case name such as `TAIL_KEY`
Oct 12 09:50:36.792 INFO kablam!  --> src/lmdb.rs:8:1
Oct 12 09:50:36.792 INFO kablam!   |
Oct 12 09:50:36.792 INFO kablam! 8 | const tail_key: [u8; 1] = [116];
Oct 12 09:50:36.792 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 09:50:36.792 INFO kablam! 
Oct 12 09:50:36.796 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 09:50:36.796 INFO kablam!   --> src/main.rs:18:5
Oct 12 09:50:36.796 INFO kablam!    |
Oct 12 09:50:36.796 INFO kablam! 18 |     db.clear();
Oct 12 09:50:36.796 INFO kablam!    |     ^^^^^^^^^^^
Oct 12 09:50:36.796 INFO kablam!    |
Oct 12 09:50:36.796 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 09:50:36.796 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 09:50:36.796 INFO kablam! 
Oct 12 09:50:36.796 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Oct 12 09:50:36.796 INFO kablam!   --> src/main.rs:22:5
Oct 12 09:50:36.796 INFO kablam!    |
Oct 12 09:50:36.796 INFO kablam! 22 | /     height
Oct 12 09:50:36.796 INFO kablam! 23 | |         .iter()
Oct 12 09:50:36.796 INFO kablam! 24 | |         .map(|height| { db.save_height(*height); })
Oct 12 09:50:36.796 INFO kablam! 25 | |         .collect::<Vec<()>>();
Oct 12 09:50:36.796 INFO kablam!    | |______________________________^
Oct 12 09:50:36.796 INFO kablam!    |
Oct 12 09:50:36.796 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Oct 12 09:50:36.796 INFO kablam! 
Oct 12 09:50:36.796 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 09:50:36.796 INFO kablam!   --> src/main.rs:24:25
Oct 12 09:50:36.796 INFO kablam!    |
Oct 12 09:50:36.796 INFO kablam! 24 |         .map(|height| { db.save_height(*height); })
Oct 12 09:50:36.796 INFO kablam!    |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 09:50:36.796 INFO kablam!    |
Oct 12 09:50:36.797 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 09:50:36.797 INFO kablam! 
Oct 12 09:50:36.908 INFO kablam! warning: unused import: `Cursor`
Oct 12 09:50:36.908 INFO kablam!  --> src/lmdb.rs:3:14
Oct 12 09:50:36.908 INFO kablam!   |
Oct 12 09:50:36.908 INFO kablam! 3 | use libmdb::{Cursor, Database, DatabaseFlags, Environment, Transaction, WriteFlags};
Oct 12 09:50:36.908 INFO kablam!   |              ^^^^^^
Oct 12 09:50:36.908 INFO kablam!   |
Oct 12 09:50:36.924 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 09:50:36.924 INFO kablam! 
Oct 12 09:50:36.924 INFO kablam! warning: unused import: `rayon::prelude`
Oct 12 09:50:36.924 INFO kablam!   --> src/main.rs:11:5
Oct 12 09:50:36.924 INFO kablam!    |
Oct 12 09:50:36.924 INFO kablam! 11 | use rayon::prelude::*;
Oct 12 09:50:36.924 INFO kablam!    |     ^^^^^^^^^^^^^^
Oct 12 09:50:36.924 INFO kablam! 
Oct 12 09:50:36.968 INFO kablam! warning: constant `height_key` should have an upper case name such as `HEIGHT_KEY`
Oct 12 09:50:36.968 INFO kablam!  --> src/lmdb.rs:6:1
Oct 12 09:50:36.968 INFO kablam!   |
Oct 12 09:50:36.968 INFO kablam! 6 | const height_key: [u8; 1] = [104];
Oct 12 09:50:36.968 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 09:50:36.968 INFO kablam!   |
Oct 12 09:50:36.968 INFO kablam!   = note: #[warn(non_upper_case_globals)] on by default
Oct 12 09:50:36.968 INFO kablam! 
Oct 12 09:50:36.968 INFO kablam! warning: constant `head_key` should have an upper case name such as `HEAD_KEY`
Oct 12 09:50:36.968 INFO kablam!  --> src/lmdb.rs:7:1
Oct 12 09:50:36.968 INFO kablam!   |
Oct 12 09:50:36.968 INFO kablam! 7 | const head_key: [u8; 1] = [105];
Oct 12 09:50:36.968 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 09:50:36.968 INFO kablam! 
Oct 12 09:50:36.968 INFO kablam! warning: constant `tail_key` should have an upper case name such as `TAIL_KEY`
Oct 12 09:50:36.968 INFO kablam!  --> src/lmdb.rs:8:1
Oct 12 09:50:36.968 INFO kablam!   |
Oct 12 09:50:36.968 INFO kablam! 8 | const tail_key: [u8; 1] = [116];
Oct 12 09:50:36.968 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 09:50:36.968 INFO kablam! 
Oct 12 09:50:36.972 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 09:50:36.972 INFO kablam!   --> src/main.rs:18:5
Oct 12 09:50:36.972 INFO kablam!    |
Oct 12 09:50:36.972 INFO kablam! 18 |     db.clear();
Oct 12 09:50:36.972 INFO kablam!    |     ^^^^^^^^^^^
Oct 12 09:50:36.972 INFO kablam!    |
Oct 12 09:50:36.972 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 09:50:36.972 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 09:50:36.972 INFO kablam! 
Oct 12 09:50:36.972 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Oct 12 09:50:36.972 INFO kablam!   --> src/main.rs:22:5
Oct 12 09:50:36.972 INFO kablam!    |
Oct 12 09:50:36.972 INFO kablam! 22 | /     height
Oct 12 09:50:36.972 INFO kablam! 23 | |         .iter()
Oct 12 09:50:36.972 INFO kablam! 24 | |         .map(|height| { db.save_height(*height); })
Oct 12 09:50:36.972 INFO kablam! 25 | |         .collect::<Vec<()>>();
Oct 12 09:50:36.972 INFO kablam!    | |______________________________^
Oct 12 09:50:36.972 INFO kablam!    |
Oct 12 09:50:36.972 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Oct 12 09:50:36.972 INFO kablam! 
Oct 12 09:50:36.972 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 09:50:36.972 INFO kablam!   --> src/main.rs:24:25
Oct 12 09:50:36.972 INFO kablam!    |
Oct 12 09:50:36.972 INFO kablam! 24 |         .map(|height| { db.save_height(*height); })
Oct 12 09:50:36.972 INFO kablam!    |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 09:50:36.973 INFO kablam!    |
Oct 12 09:50:36.973 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 09:50:36.973 INFO kablam! 
Oct 12 09:50:37.018 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 44.59s
Oct 12 09:50:37.033 INFO kablam! su: No module specific data is present
Oct 12 09:50:38.119 INFO running `"docker" "rm" "-f" "24d4ab830c30682173663ab3b8cd83d7accb1a06dd6f0ee805f0b3296e59e6b1"`
Oct 12 09:50:38.409 INFO blam! 24d4ab830c30682173663ab3b8cd83d7accb1a06dd6f0ee805f0b3296e59e6b1