[INFO] cloning repository https://github.com/MGlolenstine/mdb-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MGlolenstine/mdb-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMGlolenstine%2Fmdb-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMGlolenstine%2Fmdb-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e5a643422ff4944d24f98863a3c1a67c4f850bb
[INFO] testing MGlolenstine/mdb-rs against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMGlolenstine%2Fmdb-rs" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MGlolenstine/mdb-rs on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MGlolenstine/mdb-rs
[INFO] finished tweaking git repo https://github.com/MGlolenstine/mdb-rs
[INFO] tweaked toml for git repo https://github.com/MGlolenstine/mdb-rs written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/MGlolenstine/mdb-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32f6db2aa675b1e13b0e416e2d67e7c318d99f012426c2b8472058a93a943c33
[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" "32f6db2aa675b1e13b0e416e2d67e7c318d99f012426c2b8472058a93a943c33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32f6db2aa675b1e13b0e416e2d67e7c318d99f012426c2b8472058a93a943c33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32f6db2aa675b1e13b0e416e2d67e7c318d99f012426c2b8472058a93a943c33", kill_on_drop: false }`
[INFO] [stdout] 32f6db2aa675b1e13b0e416e2d67e7c318d99f012426c2b8472058a93a943c33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 650a8588841cfc01771bdb92a783fe75d5b9530350a40aa3ce1df4092982951f
[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" "650a8588841cfc01771bdb92a783fe75d5b9530350a40aa3ce1df4092982951f", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytes v0.5.4
[INFO] [stderr]    Compiling mdb-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `seek_and_read_u64`
[INFO] [stdout]   --> src/lib.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn seek_and_read_u64(position: u64, file: &mut File) -> Result<u64, Error>{
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `Command { std: "docker" "inspect" "650a8588841cfc01771bdb92a783fe75d5b9530350a40aa3ce1df4092982951f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "650a8588841cfc01771bdb92a783fe75d5b9530350a40aa3ce1df4092982951f", kill_on_drop: false }`
[INFO] [stdout] 650a8588841cfc01771bdb92a783fe75d5b9530350a40aa3ce1df4092982951f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9143e929252f04bb9619403374180d0d4e60c3946730c9d6b10a21b1a4bc7f0
[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" "e9143e929252f04bb9619403374180d0d4e60c3946730c9d6b10a21b1a4bc7f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling mdb-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `seek_and_read_u64`
[INFO] [stdout]   --> src/lib.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn seek_and_read_u64(position: u64, file: &mut File) -> Result<u64, Error>{
[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: associated function is never used: `seek_and_read_u64`
[INFO] [stdout]   --> src/lib.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn seek_and_read_u64(position: u64, file: &mut File) -> Result<u64, Error>{
[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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "e9143e929252f04bb9619403374180d0d4e60c3946730c9d6b10a21b1a4bc7f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9143e929252f04bb9619403374180d0d4e60c3946730c9d6b10a21b1a4bc7f0", kill_on_drop: false }`
[INFO] [stdout] e9143e929252f04bb9619403374180d0d4e60c3946730c9d6b10a21b1a4bc7f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", 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] 8f9233ec9d3b74a8d0065ccf860836ffa46eb99599681078ff3d2f70a396558f
[INFO] running `Command { std: "docker" "start" "-a" "8f9233ec9d3b74a8d0065ccf860836ffa46eb99599681078ff3d2f70a396558f", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `seek_and_read_u64`
[INFO] [stderr]   --> src/lib.rs:74:8
[INFO] [stderr]    |
[INFO] [stderr] 74 |     fn seek_and_read_u64(position: u64, file: &mut File) -> Result<u64, Error>{
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `seek_and_read_u64`
[INFO] [stderr]   --> src/lib.rs:74:8
[INFO] [stderr]    |
[INFO] [stderr] 74 |     fn seek_and_read_u64(position: u64, file: &mut File) -> Result<u64, Error>{
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mdb_rs-9e8395c114bbd304
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/main-034e07aa258eca87
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test main ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mdb-rs
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8f9233ec9d3b74a8d0065ccf860836ffa46eb99599681078ff3d2f70a396558f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f9233ec9d3b74a8d0065ccf860836ffa46eb99599681078ff3d2f70a396558f", kill_on_drop: false }`
[INFO] [stdout] 8f9233ec9d3b74a8d0065ccf860836ffa46eb99599681078ff3d2f70a396558f