[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 beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMGlolenstine%2Fmdb-rs" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MGlolenstine/mdb-rs on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-1/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" "+beta-2021-09-08" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8bd6eb7a9bfce3090fc1b118d0c5a4aa11569fb2d5bed3de6e670ce16a238e4
[INFO] running `Command { std: "docker" "start" "-a" "b8bd6eb7a9bfce3090fc1b118d0c5a4aa11569fb2d5bed3de6e670ce16a238e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8bd6eb7a9bfce3090fc1b118d0c5a4aa11569fb2d5bed3de6e670ce16a238e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8bd6eb7a9bfce3090fc1b118d0c5a4aa11569fb2d5bed3de6e670ce16a238e4", kill_on_drop: false }`
[INFO] [stdout] b8bd6eb7a9bfce3090fc1b118d0c5a4aa11569fb2d5bed3de6e670ce16a238e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d90008ed5e118b71a41e245fb50eecdba55348b4e35426c76bb5bb823db8672
[INFO] running `Command { std: "docker" "start" "-a" "3d90008ed5e118b71a41e245fb50eecdba55348b4e35426c76bb5bb823db8672", 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "3d90008ed5e118b71a41e245fb50eecdba55348b4e35426c76bb5bb823db8672", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d90008ed5e118b71a41e245fb50eecdba55348b4e35426c76bb5bb823db8672", kill_on_drop: false }`
[INFO] [stdout] 3d90008ed5e118b71a41e245fb50eecdba55348b4e35426c76bb5bb823db8672
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 640d591bee5c876eb6197b81e9d561e3ef7831e934333caa2dd03de45d8929bf
[INFO] running `Command { std: "docker" "start" "-a" "640d591bee5c876eb6197b81e9d561e3ef7831e934333caa2dd03de45d8929bf", 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 1.04s
[INFO] running `Command { std: "docker" "inspect" "640d591bee5c876eb6197b81e9d561e3ef7831e934333caa2dd03de45d8929bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "640d591bee5c876eb6197b81e9d561e3ef7831e934333caa2dd03de45d8929bf", kill_on_drop: false }`
[INFO] [stdout] 640d591bee5c876eb6197b81e9d561e3ef7831e934333caa2dd03de45d8929bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5fc6c109b7ba8908965054dcfbabb48516ba320c263eceae975f81cfbeeaee85
[INFO] running `Command { std: "docker" "start" "-a" "5fc6c109b7ba8908965054dcfbabb48516ba320c263eceae975f81cfbeeaee85", 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: `mdb-rs` (lib) generated 1 warning
[INFO] [stderr] warning: `mdb-rs` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mdb_rs-b13896ea865bde98)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/main.rs (/opt/rustwide/target/debug/deps/main-86a5b17cbc917315)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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; finished in 0.01s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5fc6c109b7ba8908965054dcfbabb48516ba320c263eceae975f81cfbeeaee85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fc6c109b7ba8908965054dcfbabb48516ba320c263eceae975f81cfbeeaee85", kill_on_drop: false }`
[INFO] [stdout] 5fc6c109b7ba8908965054dcfbabb48516ba320c263eceae975f81cfbeeaee85