[INFO] crate libdb 0.1.1 is already in cache
[INFO] checking libdb-0.1.1 against try#1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0 for pr-69530
[INFO] extracting crate libdb 0.1.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate libdb 0.1.1 on toolchain 1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate libdb 0.1.1
[INFO] finished tweaking crates.io crate libdb 0.1.1
[INFO] tweaked toml for crates.io crate libdb 0.1.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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" "+1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6c716c2b01c06f811c15c26ac7386fb3627c7c2cad6f7b6df9d97134dd5d29c5
[INFO] running `"docker" "start" "-a" "6c716c2b01c06f811c15c26ac7386fb3627c7c2cad6f7b6df9d97134dd5d29c5"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling bindgen v0.51.1
[INFO] [stderr]    Compiling libdb-sys v0.1.1
[INFO] [stderr]     Checking libdb v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: field is never read: `env`
[INFO] [stderr]    --> src/db.rs:285:5
[INFO] [stderr]     |
[INFO] [stderr] 285 |     env: Option<Environment>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `env`
[INFO] [stderr]    --> src/db.rs:285:5
[INFO] [stderr]     |
[INFO] [stderr] 285 |     env: Option<Environment>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `db`
[INFO] [stderr]    --> tests/integration_test.rs:120:12
[INFO] [stderr]     |
[INFO] [stderr] 120 |         Ok(db) => txn.commit(libdb::CommitType::Inherit).expect("Commit failed"),
[INFO] [stderr]     |            ^^ help: consider prefixing with an underscore: `_db`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `env`
[INFO] [stderr]   --> tests/integration_test.rs:14:14
[INFO] [stderr]    |
[INFO] [stderr] 14 |         let (env, db) = open_test_db(dbdir.path());
[INFO] [stderr]    |              ^^^ help: consider prefixing with an underscore: `_env`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `env`
[INFO] [stderr]   --> tests/integration_test.rs:21:14
[INFO] [stderr]    |
[INFO] [stderr] 21 |         let (env, db) = open_test_db(dbdir.path());
[INFO] [stderr]    |              ^^^ help: consider prefixing with an underscore: `_env`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 19s
[INFO] running `"docker" "inspect" "6c716c2b01c06f811c15c26ac7386fb3627c7c2cad6f7b6df9d97134dd5d29c5"`
[INFO] running `"docker" "rm" "-f" "6c716c2b01c06f811c15c26ac7386fb3627c7c2cad6f7b6df9d97134dd5d29c5"`
[INFO] [stdout] 6c716c2b01c06f811c15c26ac7386fb3627c7c2cad6f7b6df9d97134dd5d29c5