[INFO] cloning repository https://github.com/zhangsoledad/lmdb_test [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zhangsoledad/lmdb_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhangsoledad%2Flmdb_test"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhangsoledad%2Flmdb_test'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 8269d7b73a989da8ccdcbebb734cd51f372b037f [INFO] testing zhangsoledad/lmdb_test against 1.44.0 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhangsoledad%2Flmdb_test" "/workspace/builds/worker-1/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/zhangsoledad/lmdb_test on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/zhangsoledad/lmdb_test [INFO] finished tweaking git repo https://github.com/zhangsoledad/lmdb_test [INFO] tweaked toml for git repo https://github.com/zhangsoledad/lmdb_test written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/zhangsoledad/lmdb_test already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] a88ea531ece88af1a6ef94ba2e3785a9d52ec420f825013ac04dbebca5d2f77a [INFO] running `"docker" "start" "-a" "a88ea531ece88af1a6ef94ba2e3785a9d52ec420f825013ac04dbebca5d2f77a"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling libc v0.2.30 [INFO] [stderr] Compiling gcc v0.3.53 [INFO] [stderr] Compiling either v1.1.0 [INFO] [stderr] Compiling scopeguard v0.3.2 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Compiling rayon-core v1.2.1 [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 num-traits v0.1.40 [INFO] [stderr] Compiling byteorder v1.1.0 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Compiling coco v0.1.1 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling rand v0.3.16 [INFO] [stderr] Compiling num_cpus v1.6.2 [INFO] [stderr] Compiling lmdb-sys v0.7.1 [INFO] [stderr] Compiling tempdir v0.3.5 [INFO] [stderr] Compiling serde_derive_internals v0.15.1 [INFO] [stderr] Compiling lmdb v0.7.1 [INFO] [stderr] Compiling rayon v0.8.2 [INFO] [stderr] Compiling serde_derive v1.0.11 [INFO] [stderr] Compiling bincode v0.8.0 [INFO] [stderr] Compiling lmdb_test v0.1.0 (/opt/rustwide/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] warning: 8 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 29.43s [INFO] running `"docker" "inspect" "a88ea531ece88af1a6ef94ba2e3785a9d52ec420f825013ac04dbebca5d2f77a"` [INFO] running `"docker" "rm" "-f" "a88ea531ece88af1a6ef94ba2e3785a9d52ec420f825013ac04dbebca5d2f77a"` [INFO] [stdout] a88ea531ece88af1a6ef94ba2e3785a9d52ec420f825013ac04dbebca5d2f77a [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 0980642fcc958014817d9864f685220f0d27ec7fe992b2e8dc1aef382016a374 [INFO] running `"docker" "start" "-a" "0980642fcc958014817d9864f685220f0d27ec7fe992b2e8dc1aef382016a374"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling lmdb_test v0.1.0 (/opt/rustwide/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] warning: 8 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.97s [INFO] running `"docker" "inspect" "0980642fcc958014817d9864f685220f0d27ec7fe992b2e8dc1aef382016a374"` [INFO] running `"docker" "rm" "-f" "0980642fcc958014817d9864f685220f0d27ec7fe992b2e8dc1aef382016a374"` [INFO] [stdout] 0980642fcc958014817d9864f685220f0d27ec7fe992b2e8dc1aef382016a374 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] e74c3f2daffc8e623585b22ab35769f0e1acc4398eb7554ea1e1adba9396ddfc [INFO] running `"docker" "start" "-a" "e74c3f2daffc8e623585b22ab35769f0e1acc4398eb7554ea1e1adba9396ddfc"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [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] warning: 8 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/lmdb_test-5ec6bf52204011af [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" "e74c3f2daffc8e623585b22ab35769f0e1acc4398eb7554ea1e1adba9396ddfc"` [INFO] running `"docker" "rm" "-f" "e74c3f2daffc8e623585b22ab35769f0e1acc4398eb7554ea1e1adba9396ddfc"` [INFO] [stdout] e74c3f2daffc8e623585b22ab35769f0e1acc4398eb7554ea1e1adba9396ddfc