[INFO] cloning repository https://github.com/moulin-louis/file-zipper [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/moulin-louis/file-zipper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoulin-louis%2Ffile-zipper", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoulin-louis%2Ffile-zipper'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 93af488d5ebd746fab4d950d2cc2fe9b67eea71a [INFO] checking moulin-louis/file-zipper against master#cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9 for pr-136968 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoulin-louis%2Ffile-zipper" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/moulin-louis/file-zipper on toolchain cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/moulin-louis/file-zipper [INFO] finished tweaking git repo https://github.com/moulin-louis/file-zipper [INFO] tweaked toml for git repo https://github.com/moulin-louis/file-zipper written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/moulin-louis/file-zipper 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" "+cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9" "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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 67c1296d63f88eaf01f3f2b5ab48e5d6d188a81b9de4e6f5faef6d78a47701d8 [INFO] running `Command { std: "docker" "start" "-a" "67c1296d63f88eaf01f3f2b5ab48e5d6d188a81b9de4e6f5faef6d78a47701d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "67c1296d63f88eaf01f3f2b5ab48e5d6d188a81b9de4e6f5faef6d78a47701d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "67c1296d63f88eaf01f3f2b5ab48e5d6d188a81b9de4e6f5faef6d78a47701d8", kill_on_drop: false }` [INFO] [stdout] 67c1296d63f88eaf01f3f2b5ab48e5d6d188a81b9de4e6f5faef6d78a47701d8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 43f9dd6ce24d6f7bc48f5da5e77eabe83c5d7bb0cd1b5a548d4af037ac149254 [INFO] running `Command { std: "docker" "start" "-a" "43f9dd6ce24d6f7bc48f5da5e77eabe83c5d7bb0cd1b5a548d4af037ac149254", kill_on_drop: false }` [INFO] [stderr] Checking snowflake v1.3.0 [INFO] [stderr] Checking id_tree v1.8.0 [INFO] [stderr] Checking file-zipper v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `root_id` [INFO] [stdout] --> src/main.rs:65:9 [INFO] [stdout] | [INFO] [stdout] 65 | let root_id = tree.root_node_id().unwrap(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_root_id` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `new_node` [INFO] [stdout] --> src/main.rs:66:9 [INFO] [stdout] | [INFO] [stdout] 66 | let new_node = Node::new(new_pair.clone()); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node` [INFO] [stdout] --> src/main.rs:67:9 [INFO] [stdout] | [INFO] [stdout] 67 | let node = tree_find(tree, &new_pair.key); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:113:9 [INFO] [stdout] | [INFO] [stdout] 113 | let mut b_heap: BinaryHeap = BinaryHeap::from(occurence); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:114:9 [INFO] [stdout] | [INFO] [stdout] 114 | let mut tree: Tree = TreeBuilder::new().with_node_capacity(b_heap.len()).build(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `tree_find` is never used [INFO] [stdout] --> src/main.rs:39:4 [INFO] [stdout] | [INFO] [stdout] 39 | fn tree_find<'a>(tree: &'a Tree, key: &String) -> Option<&'a Node> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `build_up_tree` is never used [INFO] [stdout] --> src/main.rs:51:4 [INFO] [stdout] | [INFO] [stdout] 51 | fn build_up_tree<'a>( [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `root_id` [INFO] [stdout] --> src/main.rs:65:9 [INFO] [stdout] | [INFO] [stdout] 65 | let root_id = tree.root_node_id().unwrap(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_root_id` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `new_node` [INFO] [stdout] --> src/main.rs:66:9 [INFO] [stdout] | [INFO] [stdout] 66 | let new_node = Node::new(new_pair.clone()); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node` [INFO] [stdout] --> src/main.rs:67:9 [INFO] [stdout] | [INFO] [stdout] 67 | let node = tree_find(tree, &new_pair.key); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:113:9 [INFO] [stdout] | [INFO] [stdout] 113 | let mut b_heap: BinaryHeap = BinaryHeap::from(occurence); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:114:9 [INFO] [stdout] | [INFO] [stdout] 114 | let mut tree: Tree = TreeBuilder::new().with_node_capacity(b_heap.len()).build(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `tree_find` is never used [INFO] [stdout] --> src/main.rs:39:4 [INFO] [stdout] | [INFO] [stdout] 39 | fn tree_find<'a>(tree: &'a Tree, key: &String) -> Option<&'a Node> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `build_up_tree` is never used [INFO] [stdout] --> src/main.rs:51:4 [INFO] [stdout] | [INFO] [stdout] 51 | fn build_up_tree<'a>( [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.54s [INFO] running `Command { std: "docker" "inspect" "43f9dd6ce24d6f7bc48f5da5e77eabe83c5d7bb0cd1b5a548d4af037ac149254", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "43f9dd6ce24d6f7bc48f5da5e77eabe83c5d7bb0cd1b5a548d4af037ac149254", kill_on_drop: false }` [INFO] [stdout] 43f9dd6ce24d6f7bc48f5da5e77eabe83c5d7bb0cd1b5a548d4af037ac149254