[INFO] fetching crate libdb 0.1.1...
[INFO] checking libdb-0.1.1 against try#77ee4623672f6bca3e33ba60b6479de48d44b1f9 for pr-99217
[INFO] extracting crate libdb 0.1.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate libdb 0.1.1 on toolchain 77ee4623672f6bca3e33ba60b6479de48d44b1f9
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+77ee4623672f6bca3e33ba60b6479de48d44b1f9" "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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+77ee4623672f6bca3e33ba60b6479de48d44b1f9" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+77ee4623672f6bca3e33ba60b6479de48d44b1f9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+77ee4623672f6bca3e33ba60b6479de48d44b1f9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] adcf76810f926fcbb55a4d1702bb3cc77bfe493cb18b45033247046ca5ec6870
[INFO] running `Command { std: "docker" "start" "-a" "adcf76810f926fcbb55a4d1702bb3cc77bfe493cb18b45033247046ca5ec6870", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "adcf76810f926fcbb55a4d1702bb3cc77bfe493cb18b45033247046ca5ec6870", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adcf76810f926fcbb55a4d1702bb3cc77bfe493cb18b45033247046ca5ec6870", kill_on_drop: false }`
[INFO] [stdout] adcf76810f926fcbb55a4d1702bb3cc77bfe493cb18b45033247046ca5ec6870
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+77ee4623672f6bca3e33ba60b6479de48d44b1f9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be0fd6a629bf7a9bf05ebf9794f320ab90bf38e9190a095df5bac76aa77ab09a
[INFO] running `Command { std: "docker" "start" "-a" "be0fd6a629bf7a9bf05ebf9794f320ab90bf38e9190a095df5bac76aa77ab09a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling bindgen v0.51.1
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling libdb-sys v0.1.1
[INFO] [stderr]     Checking libdb v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `env` is never read
[INFO] [stdout]    --> src/db.rs:285:5
[INFO] [stdout]     |
[INFO] [stdout] 284 | pub struct Db {
[INFO] [stdout]     |            -- field in this struct
[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: field `env` is never read
[INFO] [stdout]    --> src/db.rs:285:5
[INFO] [stdout]     |
[INFO] [stdout] 284 | pub struct Db {
[INFO] [stdout]     |            -- field in this struct
[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: 1 warning emitted
[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]    = note: `#[warn(unused_variables)]` on by default
[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: 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] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 29s
[INFO] running `Command { std: "docker" "inspect" "be0fd6a629bf7a9bf05ebf9794f320ab90bf38e9190a095df5bac76aa77ab09a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be0fd6a629bf7a9bf05ebf9794f320ab90bf38e9190a095df5bac76aa77ab09a", kill_on_drop: false }`
[INFO] [stdout] be0fd6a629bf7a9bf05ebf9794f320ab90bf38e9190a095df5bac76aa77ab09a