[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] [stderr] fatal: error closing file /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsachaarbonel%2Ftrie.rs/packed-refs.new: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 1) [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] checking sachaarbonel/trie.rs against master#96cfc75584359ae7ad11cc45968059f29e7b44b7 for pr-137728 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsachaarbonel%2Ftrie.rs" "/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/sachaarbonel/trie.rs on toolchain 96cfc75584359ae7ad11cc45968059f29e7b44b7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+96cfc75584359ae7ad11cc45968059f29e7b44b7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-6-tc1/source/Cargo.toml [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" "+96cfc75584359ae7ad11cc45968059f29e7b44b7" "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-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+96cfc75584359ae7ad11cc45968059f29e7b44b7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9a746b3c900c08335af7a7dd38909ef3b9cc460c274431ad5e7eab8d4dab66db [INFO] running `Command { std: "docker" "start" "-a" "9a746b3c900c08335af7a7dd38909ef3b9cc460c274431ad5e7eab8d4dab66db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9a746b3c900c08335af7a7dd38909ef3b9cc460c274431ad5e7eab8d4dab66db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9a746b3c900c08335af7a7dd38909ef3b9cc460c274431ad5e7eab8d4dab66db", kill_on_drop: false }` [INFO] [stdout] 9a746b3c900c08335af7a7dd38909ef3b9cc460c274431ad5e7eab8d4dab66db [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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+96cfc75584359ae7ad11cc45968059f29e7b44b7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7f8cc3e3ab14dff44471b2cda750b42ba06e8f8c88e2f26edc4b0959e29658a2 [INFO] running `Command { std: "docker" "start" "-a" "7f8cc3e3ab14dff44471b2cda750b42ba06e8f8c88e2f26edc4b0959e29658a2", kill_on_drop: false }` [INFO] [stderr] Checking 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 TrieNode [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 0.08s [INFO] running `Command { std: "docker" "inspect" "7f8cc3e3ab14dff44471b2cda750b42ba06e8f8c88e2f26edc4b0959e29658a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7f8cc3e3ab14dff44471b2cda750b42ba06e8f8c88e2f26edc4b0959e29658a2", kill_on_drop: false }` [INFO] [stdout] 7f8cc3e3ab14dff44471b2cda750b42ba06e8f8c88e2f26edc4b0959e29658a2