[INFO] cloning repository https://github.com/sachaarbonel/trie.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sachaarbonel/trie.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsachaarbonel%2Ftrie.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsachaarbonel%2Ftrie.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f60d51c057eccd6312a5ecdc818fb1e13d4f6b90
[INFO] building sachaarbonel/trie.rs against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsachaarbonel%2Ftrie.rs" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sachaarbonel/trie.rs
[INFO] finished tweaking git repo https://github.com/sachaarbonel/trie.rs
[INFO] tweaked toml for git repo https://github.com/sachaarbonel/trie.rs written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sachaarbonel/trie.rs on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sachaarbonel/trie.rs 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 72b3a7579855310b2c08b0f3b0b166fa41a48eba6f2b4297ca96590663bd71a5
[INFO] running `Command { std: "docker" "start" "-a" "72b3a7579855310b2c08b0f3b0b166fa41a48eba6f2b4297ca96590663bd71a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72b3a7579855310b2c08b0f3b0b166fa41a48eba6f2b4297ca96590663bd71a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72b3a7579855310b2c08b0f3b0b166fa41a48eba6f2b4297ca96590663bd71a5", kill_on_drop: false }`
[INFO] [stdout] 72b3a7579855310b2c08b0f3b0b166fa41a48eba6f2b4297ca96590663bd71a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2c44c3c6adaaaa2ecde9be8f3e383cb4ec092f688b3ae2ecd58bfee6060ba28
[INFO] running `Command { std: "docker" "start" "-a" "a2c44c3c6adaaaa2ecde9be8f3e383cb4ec092f688b3ae2ecd58bfee6060ba28", kill_on_drop: false }`
[INFO] [stderr]    Compiling trie v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `contains_where` is never used
[INFO] [stdout]   --> src/main.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | / impl<K, V> TrieNode<K, V>
[INFO] [stdout] 14 | | where
[INFO] [stdout] 15 | |     K: std::cmp::Eq + std::hash::Hash + Clone + Copy,
[INFO] [stdout] 16 | |     V: Clone,
[INFO] [stdout]    | |_____________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 46 |       fn contains_where(&self, test: fn(key: K) -> bool) -> bool {
[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 0.83s
[INFO] running `Command { std: "docker" "inspect" "a2c44c3c6adaaaa2ecde9be8f3e383cb4ec092f688b3ae2ecd58bfee6060ba28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2c44c3c6adaaaa2ecde9be8f3e383cb4ec092f688b3ae2ecd58bfee6060ba28", kill_on_drop: false }`
[INFO] [stdout] a2c44c3c6adaaaa2ecde9be8f3e383cb4ec092f688b3ae2ecd58bfee6060ba28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c53e69e88513a893eab7c64792bd3b32f5cee4baabfc908a376417ccfd8138f3
[INFO] running `Command { std: "docker" "start" "-a" "c53e69e88513a893eab7c64792bd3b32f5cee4baabfc908a376417ccfd8138f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling trie v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.45s
[INFO] running `Command { std: "docker" "inspect" "c53e69e88513a893eab7c64792bd3b32f5cee4baabfc908a376417ccfd8138f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c53e69e88513a893eab7c64792bd3b32f5cee4baabfc908a376417ccfd8138f3", kill_on_drop: false }`
[INFO] [stdout] c53e69e88513a893eab7c64792bd3b32f5cee4baabfc908a376417ccfd8138f3
