[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] checking zhangsoledad/lmdb_test against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhangsoledad%2Flmdb_test" "/workspace/builds/worker-84/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-84/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/zhangsoledad/lmdb_test on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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-84/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d5d30065444597a31e98db3a06af1403b771ad331c05bdf8aaf24c645a325fd2 [INFO] running `Command { std: "docker" "start" "-a" "d5d30065444597a31e98db3a06af1403b771ad331c05bdf8aaf24c645a325fd2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d5d30065444597a31e98db3a06af1403b771ad331c05bdf8aaf24c645a325fd2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d5d30065444597a31e98db3a06af1403b771ad331c05bdf8aaf24c645a325fd2", kill_on_drop: false }` [INFO] [stdout] d5d30065444597a31e98db3a06af1403b771ad331c05bdf8aaf24c645a325fd2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1db9f0da558063b795f93626f669ff4aaffc4e59820b2a6846435fc34f023779 [INFO] running `Command { std: "docker" "start" "-a" "1db9f0da558063b795f93626f669ff4aaffc4e59820b2a6846435fc34f023779", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking libc v0.2.30 [INFO] [stderr] Compiling gcc v0.3.53 [INFO] [stderr] Compiling pkg-config v0.3.9 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Compiling rayon-core v1.2.1 [INFO] [stderr] Checking scopeguard v0.3.2 [INFO] [stderr] Checking either v1.1.0 [INFO] [stderr] Checking lazy_static v0.2.8 [INFO] [stderr] Checking futures v0.1.15 [INFO] [stderr] Checking bitflags v0.9.1 [INFO] [stderr] Checking num-traits v0.1.40 [INFO] [stderr] Checking serde v1.0.11 [INFO] [stderr] Checking byteorder v1.1.0 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Checking coco v0.1.1 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Checking rand v0.3.16 [INFO] [stderr] Checking num_cpus v1.6.2 [INFO] [stderr] Compiling lmdb-sys v0.7.1 [INFO] [stderr] Checking bincode v0.8.0 [INFO] [stderr] Checking lmdb v0.7.1 [INFO] [stderr] Checking tempdir v0.3.5 [INFO] [stderr] Compiling serde_derive_internals v0.15.1 [INFO] [stderr] Checking rayon v0.8.2 [INFO] [stderr] Compiling serde_derive v1.0.11 [INFO] [stderr] Checking 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 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: 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] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 47.67s [INFO] running `Command { std: "docker" "inspect" "1db9f0da558063b795f93626f669ff4aaffc4e59820b2a6846435fc34f023779", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1db9f0da558063b795f93626f669ff4aaffc4e59820b2a6846435fc34f023779", kill_on_drop: false }` [INFO] [stdout] 1db9f0da558063b795f93626f669ff4aaffc4e59820b2a6846435fc34f023779