[INFO] cloning repository https://github.com/howeih/Day-71-Hash-Table-chaining
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/howeih/Day-71-Hash-Table-chaining" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoweih%2FDay-71-Hash-Table-chaining", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoweih%2FDay-71-Hash-Table-chaining'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e3f9415325ed8e963c4c3b56e74ff3a1b50c0ed7
[INFO] testing howeih/Day-71-Hash-Table-chaining against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_getrandom_patch_0
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoweih%2FDay-71-Hash-Table-chaining" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/howeih/Day-71-Hash-Table-chaining
[INFO] finished tweaking git repo https://github.com/howeih/Day-71-Hash-Table-chaining
[INFO] tweaked toml for git repo https://github.com/howeih/Day-71-Hash-Table-chaining written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/howeih/Day-71-Hash-Table-chaining on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/howeih/Day-71-Hash-Table-chaining 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ee950cd8b2f0b3693751c51eb0bcfc855a63f655f2a0ceccf8537171660f5ce
[INFO] running `Command { std: "docker" "start" "-a" "9ee950cd8b2f0b3693751c51eb0bcfc855a63f655f2a0ceccf8537171660f5ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ee950cd8b2f0b3693751c51eb0bcfc855a63f655f2a0ceccf8537171660f5ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ee950cd8b2f0b3693751c51eb0bcfc855a63f655f2a0ceccf8537171660f5ce", kill_on_drop: false }`
[INFO] [stdout] 9ee950cd8b2f0b3693751c51eb0bcfc855a63f655f2a0ceccf8537171660f5ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 77c06e101f449e28f6ba673ac3d25e4abf08cab62c0e48f083eefc31a2953c15
[INFO] running `Command { std: "docker" "start" "-a" "77c06e101f449e28f6ba673ac3d25e4abf08cab62c0e48f083eefc31a2953c15", kill_on_drop: false }`
[INFO] [stderr]    Compiling hash_table_chainging v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `search` is never used
[INFO] [stdout]    --> src/main.rs:194:12
[INFO] [stdout]     |
[INFO] [stdout] 67  | impl<'a> HashChainNode<'a> {
[INFO] [stdout]     | -------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 194 |     pub fn search(&self, node: &Node) -> Option<NodePt<'a>> {
[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 0.49s
[INFO] running `Command { std: "docker" "inspect" "77c06e101f449e28f6ba673ac3d25e4abf08cab62c0e48f083eefc31a2953c15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77c06e101f449e28f6ba673ac3d25e4abf08cab62c0e48f083eefc31a2953c15", kill_on_drop: false }`
[INFO] [stdout] 77c06e101f449e28f6ba673ac3d25e4abf08cab62c0e48f083eefc31a2953c15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 3f6bf1e50759a611f14fadc1815df637d13df4ba8d293373d524afcbed3cd4ac
[INFO] running `Command { std: "docker" "start" "-a" "3f6bf1e50759a611f14fadc1815df637d13df4ba8d293373d524afcbed3cd4ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling hash_table_chainging v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `search` is never used
[INFO] [stdout]    --> src/main.rs:194:12
[INFO] [stdout]     |
[INFO] [stdout] 67  | impl<'a> HashChainNode<'a> {
[INFO] [stdout]     | -------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 194 |     pub fn search(&self, node: &Node) -> Option<NodePt<'a>> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "3f6bf1e50759a611f14fadc1815df637d13df4ba8d293373d524afcbed3cd4ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f6bf1e50759a611f14fadc1815df637d13df4ba8d293373d524afcbed3cd4ac", kill_on_drop: false }`
[INFO] [stdout] 3f6bf1e50759a611f14fadc1815df637d13df4ba8d293373d524afcbed3cd4ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] c228f0fa4cbf8d792c71b266c28d6065fa775a7f51a13b2269c1173c515ba374
[INFO] running `Command { std: "docker" "start" "-a" "c228f0fa4cbf8d792c71b266c28d6065fa775a7f51a13b2269c1173c515ba374", kill_on_drop: false }`
[INFO] [stderr] warning: method `search` is never used
[INFO] [stderr]    --> src/main.rs:194:12
[INFO] [stderr]     |
[INFO] [stderr] 67  | impl<'a> HashChainNode<'a> {
[INFO] [stderr]     | -------------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 194 |     pub fn search(&self, node: &Node) -> Option<NodePt<'a>> {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `hash_table_chainging` (bin "hash_table_chainging" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/hash_table_chainging-00b07dc3ef066981)
[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" "c228f0fa4cbf8d792c71b266c28d6065fa775a7f51a13b2269c1173c515ba374", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c228f0fa4cbf8d792c71b266c28d6065fa775a7f51a13b2269c1173c515ba374", kill_on_drop: false }`
[INFO] [stdout] c228f0fa4cbf8d792c71b266c28d6065fa775a7f51a13b2269c1173c515ba374