Nov 16 06:50:00.836 INFO testing zhangsoledad/lmdb_test against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 16 06:50:00.836 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-1/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 16 06:50:01.387 INFO [stdout] 4b32581113c2391d814235f98381828f1f37538bc2085f111815e14115396564
Nov 16 06:50:01.393 INFO running `"docker" "start" "-a" "4b32581113c2391d814235f98381828f1f37538bc2085f111815e14115396564"`
Nov 16 06:50:02.763 INFO [stderr] usermod: no changes
Nov 16 06:50:02.879 INFO [stderr]    Compiling pkg-config v0.3.9
Nov 16 06:50:02.879 INFO [stderr]    Compiling gcc v0.3.53
Nov 16 06:50:02.879 INFO [stderr]    Compiling libc v0.2.30
Nov 16 06:50:02.879 INFO [stderr]    Compiling rayon-core v1.2.1
Nov 16 06:50:02.879 INFO [stderr]    Compiling scopeguard v0.3.2
Nov 16 06:50:02.879 INFO [stderr]    Compiling either v1.1.0
Nov 16 06:50:02.911 INFO [stderr]    Compiling futures v0.1.15
Nov 16 06:50:02.911 INFO [stderr]    Compiling lazy_static v0.2.8
Nov 16 06:50:03.698 INFO [stderr]    Compiling serde v1.0.11
Nov 16 06:50:03.961 INFO [stderr]    Compiling byteorder v1.1.0
Nov 16 06:50:04.187 INFO [stderr]    Compiling serde_derive_internals v0.15.1
Nov 16 06:50:04.695 INFO [stderr]    Compiling coco v0.1.1
Nov 16 06:50:10.587 INFO [stderr]    Compiling num_cpus v1.6.2
Nov 16 06:50:10.707 INFO [stderr]    Compiling rand v0.3.16
Nov 16 06:50:10.975 INFO [stderr]    Compiling lmdb-sys v0.7.1
Nov 16 06:50:11.031 INFO [stderr]    Compiling serde_derive v1.0.11
Nov 16 06:50:16.339 INFO [stderr]    Compiling lmdb v0.7.1
Nov 16 06:50:16.616 INFO [stderr]    Compiling tempdir v0.3.5
Nov 16 06:50:20.968 INFO [stderr]    Compiling rayon v0.8.2
Nov 16 06:50:30.271 INFO [stderr]    Compiling bincode v0.8.0
Nov 16 06:50:31.427 INFO [stderr]    Compiling lmdb_test v0.1.0 (/source)
Nov 16 06:50:31.699 INFO [stderr] warning: unused import: `Cursor`
Nov 16 06:50:31.700 INFO [stderr]  --> src/lmdb.rs:3:14
Nov 16 06:50:31.700 INFO [stderr]   |
Nov 16 06:50:31.700 INFO [stderr] 3 | use libmdb::{Cursor, Database, DatabaseFlags, Environment, Transaction, WriteFlags};
Nov 16 06:50:31.701 INFO [stderr]   |              ^^^^^^
Nov 16 06:50:31.701 INFO [stderr]   |
Nov 16 06:50:31.701 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 16 06:50:31.702 INFO [stderr] 
Nov 16 06:50:31.702 INFO [stderr] warning: unused import: `rayon::prelude`
Nov 16 06:50:31.702 INFO [stderr]   --> src/main.rs:11:5
Nov 16 06:50:31.703 INFO [stderr]    |
Nov 16 06:50:31.703 INFO [stderr] 11 | use rayon::prelude::*;
Nov 16 06:50:31.703 INFO [stderr]    |     ^^^^^^^^^^^^^^
Nov 16 06:50:31.704 INFO [stderr] 
Nov 16 06:50:31.727 INFO [stderr] warning: constant `height_key` should have an upper case name such as `HEIGHT_KEY`
Nov 16 06:50:31.727 INFO [stderr]  --> src/lmdb.rs:6:1
Nov 16 06:50:31.728 INFO [stderr]   |
Nov 16 06:50:31.728 INFO [stderr] 6 | const height_key: [u8; 1] = [104];
Nov 16 06:50:31.728 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 06:50:31.729 INFO [stderr]   |
Nov 16 06:50:31.729 INFO [stderr]   = note: #[warn(non_upper_case_globals)] on by default
Nov 16 06:50:31.729 INFO [stderr] 
Nov 16 06:50:31.739 INFO [stderr] warning: constant `head_key` should have an upper case name such as `HEAD_KEY`
Nov 16 06:50:31.739 INFO [stderr]  --> src/lmdb.rs:7:1
Nov 16 06:50:31.740 INFO [stderr]   |
Nov 16 06:50:31.740 INFO [stderr] 7 | const head_key: [u8; 1] = [105];
Nov 16 06:50:31.740 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 06:50:31.741 INFO [stderr] 
Nov 16 06:50:31.741 INFO [stderr] warning: constant `tail_key` should have an upper case name such as `TAIL_KEY`
Nov 16 06:50:31.741 INFO [stderr]  --> src/lmdb.rs:8:1
Nov 16 06:50:31.742 INFO [stderr]   |
Nov 16 06:50:31.742 INFO [stderr] 8 | const tail_key: [u8; 1] = [116];
Nov 16 06:50:31.742 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 06:50:31.743 INFO [stderr] 
Nov 16 06:50:31.743 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 06:50:31.743 INFO [stderr]   --> src/main.rs:18:5
Nov 16 06:50:31.744 INFO [stderr]    |
Nov 16 06:50:31.744 INFO [stderr] 18 |     db.clear();
Nov 16 06:50:31.744 INFO [stderr]    |     ^^^^^^^^^^^
Nov 16 06:50:31.745 INFO [stderr]    |
Nov 16 06:50:31.745 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 16 06:50:31.745 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 06:50:31.745 INFO [stderr] 
Nov 16 06:50:31.746 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 16 06:50:31.746 INFO [stderr]   --> src/main.rs:22:5
Nov 16 06:50:31.746 INFO [stderr]    |
Nov 16 06:50:31.747 INFO [stderr] 22 | /     height
Nov 16 06:50:31.747 INFO [stderr] 23 | |         .iter()
Nov 16 06:50:31.747 INFO [stderr] 24 | |         .map(|height| { db.save_height(*height); })
Nov 16 06:50:31.747 INFO [stderr] 25 | |         .collect::<Vec<()>>();
Nov 16 06:50:31.748 INFO [stderr]    | |______________________________^
Nov 16 06:50:31.748 INFO [stderr]    |
Nov 16 06:50:31.748 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 16 06:50:31.749 INFO [stderr] 
Nov 16 06:50:31.749 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 06:50:31.749 INFO [stderr]   --> src/main.rs:24:25
Nov 16 06:50:31.750 INFO [stderr]    |
Nov 16 06:50:31.750 INFO [stderr] 24 |         .map(|height| { db.save_height(*height); })
Nov 16 06:50:31.750 INFO [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 06:50:31.751 INFO [stderr]    |
Nov 16 06:50:31.751 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 06:50:31.751 INFO [stderr] 
Nov 16 06:50:32.621 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.82s
Nov 16 06:50:32.648 INFO [stderr] su: No module specific data is present
Nov 16 06:50:33.935 INFO running `"docker" "inspect" "4b32581113c2391d814235f98381828f1f37538bc2085f111815e14115396564"`
Nov 16 06:50:34.187 INFO running `"docker" "rm" "-f" "4b32581113c2391d814235f98381828f1f37538bc2085f111815e14115396564"`
Nov 16 06:50:34.551 INFO [stdout] 4b32581113c2391d814235f98381828f1f37538bc2085f111815e14115396564
Nov 16 06:50:34.559 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-1/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 16 06:50:35.100 INFO [stdout] fca022237ba4985f1046d6afd923cccc94d5ca24551c67865092d976f05db9ac
Nov 16 06:50:35.102 INFO running `"docker" "start" "-a" "fca022237ba4985f1046d6afd923cccc94d5ca24551c67865092d976f05db9ac"`
Nov 16 06:50:36.975 INFO [stderr] usermod: no changes
Nov 16 06:50:37.103 INFO [stderr]    Compiling lmdb_test v0.1.0 (/source)
Nov 16 06:50:37.427 INFO [stderr] warning: unused import: `Cursor`
Nov 16 06:50:37.427 INFO [stderr]  --> src/lmdb.rs:3:14
Nov 16 06:50:37.427 INFO [stderr]   |
Nov 16 06:50:37.427 INFO [stderr] 3 | use libmdb::{Cursor, Database, DatabaseFlags, Environment, Transaction, WriteFlags};
Nov 16 06:50:37.427 INFO [stderr]   |              ^^^^^^
Nov 16 06:50:37.427 INFO [stderr]   |
Nov 16 06:50:37.427 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 16 06:50:37.427 INFO [stderr] 
Nov 16 06:50:37.427 INFO [stderr] warning: unused import: `rayon::prelude`
Nov 16 06:50:37.427 INFO [stderr]   --> src/main.rs:11:5
Nov 16 06:50:37.427 INFO [stderr]    |
Nov 16 06:50:37.427 INFO [stderr] 11 | use rayon::prelude::*;
Nov 16 06:50:37.427 INFO [stderr]    |     ^^^^^^^^^^^^^^
Nov 16 06:50:37.427 INFO [stderr] 
Nov 16 06:50:37.451 INFO [stderr] warning: constant `height_key` should have an upper case name such as `HEIGHT_KEY`
Nov 16 06:50:37.451 INFO [stderr]  --> src/lmdb.rs:6:1
Nov 16 06:50:37.451 INFO [stderr]   |
Nov 16 06:50:37.451 INFO [stderr] 6 | const height_key: [u8; 1] = [104];
Nov 16 06:50:37.451 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 06:50:37.451 INFO [stderr]   |
Nov 16 06:50:37.451 INFO [stderr]   = note: #[warn(non_upper_case_globals)] on by default
Nov 16 06:50:37.451 INFO [stderr] 
Nov 16 06:50:37.451 INFO [stderr] warning: constant `head_key` should have an upper case name such as `HEAD_KEY`
Nov 16 06:50:37.451 INFO [stderr]  --> src/lmdb.rs:7:1
Nov 16 06:50:37.451 INFO [stderr]   |
Nov 16 06:50:37.451 INFO [stderr] 7 | const head_key: [u8; 1] = [105];
Nov 16 06:50:37.451 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 06:50:37.451 INFO [stderr] 
Nov 16 06:50:37.451 INFO [stderr] warning: constant `tail_key` should have an upper case name such as `TAIL_KEY`
Nov 16 06:50:37.451 INFO [stderr]  --> src/lmdb.rs:8:1
Nov 16 06:50:37.451 INFO [stderr]   |
Nov 16 06:50:37.451 INFO [stderr] 8 | const tail_key: [u8; 1] = [116];
Nov 16 06:50:37.451 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 06:50:37.451 INFO [stderr] 
Nov 16 06:50:37.451 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 06:50:37.451 INFO [stderr]   --> src/main.rs:18:5
Nov 16 06:50:37.451 INFO [stderr]    |
Nov 16 06:50:37.451 INFO [stderr] 18 |     db.clear();
Nov 16 06:50:37.451 INFO [stderr]    |     ^^^^^^^^^^^
Nov 16 06:50:37.451 INFO [stderr]    |
Nov 16 06:50:37.451 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 16 06:50:37.451 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 06:50:37.451 INFO [stderr] 
Nov 16 06:50:37.451 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 16 06:50:37.451 INFO [stderr]   --> src/main.rs:22:5
Nov 16 06:50:37.451 INFO [stderr]    |
Nov 16 06:50:37.451 INFO [stderr] 22 | /     height
Nov 16 06:50:37.451 INFO [stderr] 23 | |         .iter()
Nov 16 06:50:37.451 INFO [stderr] 24 | |         .map(|height| { db.save_height(*height); })
Nov 16 06:50:37.451 INFO [stderr] 25 | |         .collect::<Vec<()>>();
Nov 16 06:50:37.451 INFO [stderr]    | |______________________________^
Nov 16 06:50:37.451 INFO [stderr]    |
Nov 16 06:50:37.451 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 16 06:50:37.451 INFO [stderr] 
Nov 16 06:50:37.451 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 06:50:37.451 INFO [stderr]   --> src/main.rs:24:25
Nov 16 06:50:37.451 INFO [stderr]    |
Nov 16 06:50:37.451 INFO [stderr] 24 |         .map(|height| { db.save_height(*height); })
Nov 16 06:50:37.451 INFO [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 06:50:37.451 INFO [stderr]    |
Nov 16 06:50:37.451 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 06:50:37.451 INFO [stderr] 
Nov 16 06:50:37.857 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
Nov 16 06:50:37.877 INFO [stderr] su: No module specific data is present
Nov 16 06:50:39.251 INFO running `"docker" "inspect" "fca022237ba4985f1046d6afd923cccc94d5ca24551c67865092d976f05db9ac"`
Nov 16 06:50:39.647 INFO running `"docker" "rm" "-f" "fca022237ba4985f1046d6afd923cccc94d5ca24551c67865092d976f05db9ac"`
Nov 16 06:50:39.991 INFO [stdout] fca022237ba4985f1046d6afd923cccc94d5ca24551c67865092d976f05db9ac
Nov 16 06:50:39.999 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-1/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 16 06:50:40.544 INFO [stdout] 5d6f03f74d4cc677105bad1cc705162875e3b5ff604c313eb50b3cefdde40fdd
Nov 16 06:50:40.551 INFO running `"docker" "start" "-a" "5d6f03f74d4cc677105bad1cc705162875e3b5ff604c313eb50b3cefdde40fdd"`
Nov 16 06:50:42.143 INFO [stderr] usermod: no changes
Nov 16 06:50:42.259 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
Nov 16 06:50:42.271 INFO [stderr]      Running /target/debug/deps/lmdb_test-c185d5e5ad7679f6
Nov 16 06:50:42.275 INFO [stdout] 
Nov 16 06:50:42.275 INFO [stdout] running 0 tests
Nov 16 06:50:42.276 INFO [stdout] 
Nov 16 06:50:42.276 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 06:50:42.276 INFO [stdout] 
Nov 16 06:50:42.279 INFO [stderr] su: No module specific data is present
Nov 16 06:50:43.239 INFO running `"docker" "inspect" "5d6f03f74d4cc677105bad1cc705162875e3b5ff604c313eb50b3cefdde40fdd"`
Nov 16 06:50:43.565 INFO running `"docker" "rm" "-f" "5d6f03f74d4cc677105bad1cc705162875e3b5ff604c313eb50b3cefdde40fdd"`
Nov 16 06:50:43.937 INFO [stdout] 5d6f03f74d4cc677105bad1cc705162875e3b5ff604c313eb50b3cefdde40fdd