[INFO] updating cached repository zhangsoledad/lmdb_test [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/zhangsoledad/lmdb_test [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/zhangsoledad/lmdb_test" "work/ex/beta-1.38-1/sources/1.37.0/gh/zhangsoledad/lmdb_test"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/zhangsoledad/lmdb_test'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/zhangsoledad/lmdb_test" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/zhangsoledad/lmdb_test"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/zhangsoledad/lmdb_test'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 8269d7b73a989da8ccdcbebb734cd51f372b037f [INFO] sha for GitHub repo zhangsoledad/lmdb_test: 8269d7b73a989da8ccdcbebb734cd51f372b037f [INFO] validating manifest of zhangsoledad/lmdb_test on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of zhangsoledad/lmdb_test on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing zhangsoledad/lmdb_test [INFO] finished frobbing zhangsoledad/lmdb_test [INFO] frobbed toml for zhangsoledad/lmdb_test written to work/ex/beta-1.38-1/sources/1.37.0/gh/zhangsoledad/lmdb_test/Cargo.toml [INFO] started frobbing zhangsoledad/lmdb_test [INFO] finished frobbing zhangsoledad/lmdb_test [INFO] frobbed toml for zhangsoledad/lmdb_test written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/zhangsoledad/lmdb_test/Cargo.toml [INFO] crate zhangsoledad/lmdb_test already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing zhangsoledad/lmdb_test against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/zhangsoledad/lmdb_test:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"` [INFO] [stdout] b7b6e56f07f8d4506c2016b02fbf9ddb101f5979c5256fcb89e4cc5f7f7ee161 [INFO] running `"docker" "start" "-a" "b7b6e56f07f8d4506c2016b02fbf9ddb101f5979c5256fcb89e4cc5f7f7ee161"` [INFO] [stderr] Compiling gcc v0.3.53 [INFO] [stderr] Compiling pkg-config v0.3.9 [INFO] [stderr] Compiling rayon-core v1.2.1 [INFO] [stderr] Compiling either v1.1.0 [INFO] [stderr] Compiling scopeguard v0.3.2 [INFO] [stderr] Compiling libc v0.2.30 [INFO] [stderr] Compiling lazy_static v0.2.8 [INFO] [stderr] Compiling futures v0.1.15 [INFO] [stderr] Compiling serde v1.0.11 [INFO] [stderr] Compiling serde_derive_internals v0.15.1 [INFO] [stderr] Compiling coco v0.1.1 [INFO] [stderr] Compiling rand v0.3.16 [INFO] [stderr] Compiling num_cpus v1.6.2 [INFO] [stderr] Compiling serde_derive v1.0.11 [INFO] [stderr] Compiling lmdb-sys v0.7.1 [INFO] [stderr] Compiling tempdir v0.3.5 [INFO] [stderr] Compiling lmdb v0.7.1 [INFO] [stderr] Compiling rayon v0.8.2 [INFO] [stderr] Compiling bincode v0.8.0 [INFO] [stderr] Compiling lmdb_test v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `Cursor` [INFO] [stderr] --> src/lmdb.rs:3:14 [INFO] [stderr] | [INFO] [stderr] 3 | use libmdb::{Cursor, Database, DatabaseFlags, Environment, Transaction, WriteFlags}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `rayon::prelude` [INFO] [stderr] --> src/main.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use rayon::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | db.clear(); [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used [INFO] [stderr] --> src/main.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | / height [INFO] [stderr] 23 | | .iter() [INFO] [stderr] 24 | | .map(|height| { db.save_height(*height); }) [INFO] [stderr] 25 | | .collect::>(); [INFO] [stderr] | |______________________________^ [INFO] [stderr] | [INFO] [stderr] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:24:25 [INFO] [stderr] | [INFO] [stderr] 24 | .map(|height| { db.save_height(*height); }) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: constant `height_key` should have an upper case name [INFO] [stderr] --> src/lmdb.rs:6:7 [INFO] [stderr] | [INFO] [stderr] 6 | const height_key: [u8; 1] = [104]; [INFO] [stderr] | ^^^^^^^^^^ help: convert the identifier to upper case: `HEIGHT_KEY` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_upper_case_globals)] on by default [INFO] [stderr] [INFO] [stderr] warning: constant `head_key` should have an upper case name [INFO] [stderr] --> src/lmdb.rs:7:7 [INFO] [stderr] | [INFO] [stderr] 7 | const head_key: [u8; 1] = [105]; [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to upper case: `HEAD_KEY` [INFO] [stderr] [INFO] [stderr] warning: constant `tail_key` should have an upper case name [INFO] [stderr] --> src/lmdb.rs:8:7 [INFO] [stderr] | [INFO] [stderr] 8 | const tail_key: [u8; 1] = [116]; [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to upper case: `TAIL_KEY` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 38.72s [INFO] running `"docker" "inspect" "b7b6e56f07f8d4506c2016b02fbf9ddb101f5979c5256fcb89e4cc5f7f7ee161"` [INFO] running `"docker" "rm" "-f" "b7b6e56f07f8d4506c2016b02fbf9ddb101f5979c5256fcb89e4cc5f7f7ee161"` [INFO] [stdout] b7b6e56f07f8d4506c2016b02fbf9ddb101f5979c5256fcb89e4cc5f7f7ee161 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/zhangsoledad/lmdb_test:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"` [INFO] [stdout] ec7a59b51dc0bca6fa5e636e66f017a375bbf2c0da7c2ee145c28e62e4ba1f76 [INFO] running `"docker" "start" "-a" "ec7a59b51dc0bca6fa5e636e66f017a375bbf2c0da7c2ee145c28e62e4ba1f76"` [INFO] [stderr] Compiling lmdb_test v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `Cursor` [INFO] [stderr] --> src/lmdb.rs:3:14 [INFO] [stderr] | [INFO] [stderr] 3 | use libmdb::{Cursor, Database, DatabaseFlags, Environment, Transaction, WriteFlags}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `rayon::prelude` [INFO] [stderr] --> src/main.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use rayon::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | db.clear(); [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used [INFO] [stderr] --> src/main.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | / height [INFO] [stderr] 23 | | .iter() [INFO] [stderr] 24 | | .map(|height| { db.save_height(*height); }) [INFO] [stderr] 25 | | .collect::>(); [INFO] [stderr] | |______________________________^ [INFO] [stderr] | [INFO] [stderr] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:24:25 [INFO] [stderr] | [INFO] [stderr] 24 | .map(|height| { db.save_height(*height); }) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: constant `height_key` should have an upper case name [INFO] [stderr] --> src/lmdb.rs:6:7 [INFO] [stderr] | [INFO] [stderr] 6 | const height_key: [u8; 1] = [104]; [INFO] [stderr] | ^^^^^^^^^^ help: convert the identifier to upper case: `HEIGHT_KEY` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_upper_case_globals)] on by default [INFO] [stderr] [INFO] [stderr] warning: constant `head_key` should have an upper case name [INFO] [stderr] --> src/lmdb.rs:7:7 [INFO] [stderr] | [INFO] [stderr] 7 | const head_key: [u8; 1] = [105]; [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to upper case: `HEAD_KEY` [INFO] [stderr] [INFO] [stderr] warning: constant `tail_key` should have an upper case name [INFO] [stderr] --> src/lmdb.rs:8:7 [INFO] [stderr] | [INFO] [stderr] 8 | const tail_key: [u8; 1] = [116]; [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to upper case: `TAIL_KEY` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.85s [INFO] running `"docker" "inspect" "ec7a59b51dc0bca6fa5e636e66f017a375bbf2c0da7c2ee145c28e62e4ba1f76"` [INFO] running `"docker" "rm" "-f" "ec7a59b51dc0bca6fa5e636e66f017a375bbf2c0da7c2ee145c28e62e4ba1f76"` [INFO] [stdout] ec7a59b51dc0bca6fa5e636e66f017a375bbf2c0da7c2ee145c28e62e4ba1f76 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/zhangsoledad/lmdb_test:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"` [INFO] [stdout] ad3bcc43f7ca6f7d06486d880999b57e280c0dc9b3102c5964f15a1f525712bc [INFO] running `"docker" "start" "-a" "ad3bcc43f7ca6f7d06486d880999b57e280c0dc9b3102c5964f15a1f525712bc"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running /opt/crater/target/debug/deps/lmdb_test-ad9f28fa3ec99a0b [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "ad3bcc43f7ca6f7d06486d880999b57e280c0dc9b3102c5964f15a1f525712bc"` [INFO] running `"docker" "rm" "-f" "ad3bcc43f7ca6f7d06486d880999b57e280c0dc9b3102c5964f15a1f525712bc"` [INFO] [stdout] ad3bcc43f7ca6f7d06486d880999b57e280c0dc9b3102c5964f15a1f525712bc