[INFO] cloning repository https://github.com/zhangsoledad/lmdb_test [INFO] running `Command { std: "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", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhangsoledad%2Flmdb_test'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8269d7b73a989da8ccdcbebb734cd51f372b037f [INFO] testing zhangsoledad/lmdb_test against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhangsoledad%2Flmdb_test" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/zhangsoledad/lmdb_test on toolchain 62efba8a050c64249dab942951bb28f710208bc8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-12/source/Cargo.toml [INFO] crate git repo https://github.com/zhangsoledad/lmdb_test already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f422cbe7d870eec4d87c80c309874991578fa1d8f1fd8c743d83226876020278 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "f422cbe7d870eec4d87c80c309874991578fa1d8f1fd8c743d83226876020278", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f422cbe7d870eec4d87c80c309874991578fa1d8f1fd8c743d83226876020278", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f422cbe7d870eec4d87c80c309874991578fa1d8f1fd8c743d83226876020278", kill_on_drop: false }` [INFO] [stdout] f422cbe7d870eec4d87c80c309874991578fa1d8f1fd8c743d83226876020278 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1f626e45ade34718400b37fcfaeb03de13e2b223b248f1ef08b8453585f55193 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "1f626e45ade34718400b37fcfaeb03de13e2b223b248f1ef08b8453585f55193", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.30 [INFO] [stderr] Compiling gcc v0.3.53 [INFO] [stderr] Compiling either v1.1.0 [INFO] [stderr] Compiling rayon-core v1.2.1 [INFO] [stderr] Compiling scopeguard v0.3.2 [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 lmdb-sys v0.7.1 [INFO] [stderr] Compiling serde_derive v1.0.11 [INFO] [stderr] Compiling tempdir v0.3.5 [INFO] [stderr] Compiling rayon v0.8.2 [INFO] [stderr] Compiling lmdb v0.7.1 [INFO] [stderr] Compiling bincode v0.8.0 [INFO] [stderr] Compiling lmdb_test v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Cursor` [INFO] [stdout] --> src/lmdb.rs:3:14 [INFO] [stdout] | [INFO] [stdout] 3 | use libmdb::{Cursor, Database, DatabaseFlags, Environment, Transaction, WriteFlags}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rayon::prelude` [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use rayon::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | db.clear(); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::iter::Iterator::collect` that must be used [INFO] [stdout] --> src/main.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | / height [INFO] [stdout] 23 | | .iter() [INFO] [stdout] 24 | | .map(|height| { db.save_height(*height); }) [INFO] [stdout] 25 | | .collect::>(); [INFO] [stdout] | |______________________________^ [INFO] [stdout] | [INFO] [stdout] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:24:25 [INFO] [stdout] | [INFO] [stdout] 24 | .map(|height| { db.save_height(*height); }) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `height_key` should have an upper case name [INFO] [stdout] --> src/lmdb.rs:6:7 [INFO] [stdout] | [INFO] [stdout] 6 | const height_key: [u8; 1] = [104]; [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to upper case: `HEIGHT_KEY` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `head_key` should have an upper case name [INFO] [stdout] --> src/lmdb.rs:7:7 [INFO] [stdout] | [INFO] [stdout] 7 | const head_key: [u8; 1] = [105]; [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to upper case: `HEAD_KEY` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `tail_key` should have an upper case name [INFO] [stdout] --> src/lmdb.rs:8:7 [INFO] [stdout] | [INFO] [stdout] 8 | const tail_key: [u8; 1] = [116]; [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to upper case: `TAIL_KEY` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 19.10s [INFO] running `Command { std: "docker" "inspect" "1f626e45ade34718400b37fcfaeb03de13e2b223b248f1ef08b8453585f55193", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1f626e45ade34718400b37fcfaeb03de13e2b223b248f1ef08b8453585f55193", kill_on_drop: false }` [INFO] [stdout] 1f626e45ade34718400b37fcfaeb03de13e2b223b248f1ef08b8453585f55193 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9351d165873aee344b3b62c9a67a38129664e4b994172e4efb4d762defc2b806 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "9351d165873aee344b3b62c9a67a38129664e4b994172e4efb4d762defc2b806", kill_on_drop: false }` [INFO] [stderr] Compiling lmdb_test v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Cursor` [INFO] [stdout] --> src/lmdb.rs:3:14 [INFO] [stdout] | [INFO] [stdout] 3 | use libmdb::{Cursor, Database, DatabaseFlags, Environment, Transaction, WriteFlags}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rayon::prelude` [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use rayon::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | db.clear(); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::iter::Iterator::collect` that must be used [INFO] [stdout] --> src/main.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | / height [INFO] [stdout] 23 | | .iter() [INFO] [stdout] 24 | | .map(|height| { db.save_height(*height); }) [INFO] [stdout] 25 | | .collect::>(); [INFO] [stdout] | |______________________________^ [INFO] [stdout] | [INFO] [stdout] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:24:25 [INFO] [stdout] | [INFO] [stdout] 24 | .map(|height| { db.save_height(*height); }) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `height_key` should have an upper case name [INFO] [stdout] --> src/lmdb.rs:6:7 [INFO] [stdout] | [INFO] [stdout] 6 | const height_key: [u8; 1] = [104]; [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to upper case: `HEIGHT_KEY` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `head_key` should have an upper case name [INFO] [stdout] --> src/lmdb.rs:7:7 [INFO] [stdout] | [INFO] [stdout] 7 | const head_key: [u8; 1] = [105]; [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to upper case: `HEAD_KEY` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `tail_key` should have an upper case name [INFO] [stdout] --> src/lmdb.rs:8:7 [INFO] [stdout] | [INFO] [stdout] 8 | const tail_key: [u8; 1] = [116]; [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to upper case: `TAIL_KEY` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.84s [INFO] running `Command { std: "docker" "inspect" "9351d165873aee344b3b62c9a67a38129664e4b994172e4efb4d762defc2b806", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9351d165873aee344b3b62c9a67a38129664e4b994172e4efb4d762defc2b806", kill_on_drop: false }` [INFO] [stdout] 9351d165873aee344b3b62c9a67a38129664e4b994172e4efb4d762defc2b806 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] bb6c417ddf5dd81a1ea36bcb84f7a1e7d4c68da9859a295a03ec46c62da53042 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "bb6c417ddf5dd81a1ea36bcb84f7a1e7d4c68da9859a295a03ec46c62da53042", kill_on_drop: false }` [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 `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 `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: `lmdb_test` (bin "lmdb_test" test) generated 8 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/lmdb_test-47f4d7ab48b07d7d) [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "bb6c417ddf5dd81a1ea36bcb84f7a1e7d4c68da9859a295a03ec46c62da53042", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bb6c417ddf5dd81a1ea36bcb84f7a1e7d4c68da9859a295a03ec46c62da53042", kill_on_drop: false }` [INFO] [stdout] bb6c417ddf5dd81a1ea36bcb84f7a1e7d4c68da9859a295a03ec46c62da53042