[INFO] cloning repository https://github.com/imtherealnaska/rs-caskdb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/imtherealnaska/rs-caskdb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimtherealnaska%2Frs-caskdb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimtherealnaska%2Frs-caskdb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 333a57320b66558c973337dc41ae718c69529bca
[INFO] checking imtherealnaska/rs-caskdb against master#9bfa31f632912180dc742809bcc51a97f2d7079d for pr-140151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimtherealnaska%2Frs-caskdb" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/imtherealnaska/rs-caskdb on toolchain 9bfa31f632912180dc742809bcc51a97f2d7079d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/imtherealnaska/rs-caskdb
[INFO] finished tweaking git repo https://github.com/imtherealnaska/rs-caskdb
[INFO] tweaked toml for git repo https://github.com/imtherealnaska/rs-caskdb written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/imtherealnaska/rs-caskdb already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] adc391ea08206273ccad798627c58599ccd9f9b7c37661286214a3e192d2d6e6
[INFO] running `Command { std: "docker" "start" "-a" "adc391ea08206273ccad798627c58599ccd9f9b7c37661286214a3e192d2d6e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "adc391ea08206273ccad798627c58599ccd9f9b7c37661286214a3e192d2d6e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adc391ea08206273ccad798627c58599ccd9f9b7c37661286214a3e192d2d6e6", kill_on_drop: false }`
[INFO] [stdout] adc391ea08206273ccad798627c58599ccd9f9b7c37661286214a3e192d2d6e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b49c27b8431a0fcb574962568955192f152bbc50381e362871f4d21869c6caa
[INFO] running `Command { std: "docker" "start" "-a" "0b49c27b8431a0fcb574962568955192f152bbc50381e362871f4d21869c6caa", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]     Checking iana-time-zone v0.1.60
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]     Checking rs-caskdb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `file_name`
[INFO] [stdout]   --> src/disk_store.rs:47:36
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn init_key_dir(&mut self, file_name: &str) -> io::Result<()> {
[INFO] [stdout]    |                                    ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `timestamp` is never read
[INFO] [stdout]  --> src/format.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct KeyEntry {
[INFO] [stdout]   |            -------- field in this struct
[INFO] [stdout] 5 |     pub(crate) timestamp: u32,
[INFO] [stdout]   |                ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_name`
[INFO] [stdout]   --> src/disk_store.rs:47:36
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn init_key_dir(&mut self, file_name: &str) -> io::Result<()> {
[INFO] [stdout]    |                                    ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `timestamp` is never read
[INFO] [stdout]  --> src/format.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct KeyEntry {
[INFO] [stdout]   |            -------- field in this struct
[INFO] [stdout] 5 |     pub(crate) timestamp: u32,
[INFO] [stdout]   |                ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.33s
[INFO] running `Command { std: "docker" "inspect" "0b49c27b8431a0fcb574962568955192f152bbc50381e362871f4d21869c6caa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b49c27b8431a0fcb574962568955192f152bbc50381e362871f4d21869c6caa", kill_on_drop: false }`
[INFO] [stdout] 0b49c27b8431a0fcb574962568955192f152bbc50381e362871f4d21869c6caa