[INFO] fetching crate libdb 0.1.1...
[INFO] checking libdb-0.1.1 against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565
[INFO] extracting crate libdb 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate libdb 0.1.1 on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cd0cf4f85e6496dfc4ac4e71d24828b3fda7b06f182c056f96a6500837350a54
[INFO] running `Command { std: "docker" "start" "-a" "cd0cf4f85e6496dfc4ac4e71d24828b3fda7b06f182c056f96a6500837350a54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd0cf4f85e6496dfc4ac4e71d24828b3fda7b06f182c056f96a6500837350a54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd0cf4f85e6496dfc4ac4e71d24828b3fda7b06f182c056f96a6500837350a54", kill_on_drop: false }`
[INFO] [stdout] cd0cf4f85e6496dfc4ac4e71d24828b3fda7b06f182c056f96a6500837350a54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c53b8256d684e41bc3b9ce044cc5930186715ead5631e9daf68139efea9c1c8
[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" "8c53b8256d684e41bc3b9ce044cc5930186715ead5631e9daf68139efea9c1c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling bindgen v0.51.1
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking bitflags v1.2.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]    Compiling libdb-sys v0.1.1
[INFO] [stderr]     Checking libdb v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `env`
[INFO] [stdout]    --> src/db.rs:285:5
[INFO] [stdout]     |
[INFO] [stdout] 285 |     env: Option<Environment>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `env`
[INFO] [stdout]    --> src/db.rs:285:5
[INFO] [stdout]     |
[INFO] [stdout] 285 |     env: Option<Environment>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `db`
[INFO] [stdout]    --> tests/integration_test.rs:120:12
[INFO] [stdout]     |
[INFO] [stdout] 120 |         Ok(db) => txn.commit(libdb::CommitType::Inherit).expect("Commit failed"),
[INFO] [stdout]     |            ^^ help: if this is intentional, prefix it with an underscore: `_db`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]   --> tests/integration_test.rs:14:14
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let (env, db) = open_test_db(dbdir.path());
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]   --> tests/integration_test.rs:21:14
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let (env, db) = open_test_db(dbdir.path());
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5m 29s
[INFO] running `Command { std: "docker" "inspect" "8c53b8256d684e41bc3b9ce044cc5930186715ead5631e9daf68139efea9c1c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c53b8256d684e41bc3b9ce044cc5930186715ead5631e9daf68139efea9c1c8", kill_on_drop: false }`
[INFO] [stdout] 8c53b8256d684e41bc3b9ce044cc5930186715ead5631e9daf68139efea9c1c8