[INFO] cloning repository https://github.com/jmin-pingu/adm [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jmin-pingu/adm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmin-pingu%2Fadm", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmin-pingu%2Fadm'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 18e269479622dd999efe11e2a847a4de0279f5ea [INFO] checking jmin-pingu/adm against master#03eb45452305f2d52348279d0caa5fc1f12c438d for pr-138176 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmin-pingu%2Fadm" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jmin-pingu/adm on toolchain 03eb45452305f2d52348279d0caa5fc1f12c438d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+03eb45452305f2d52348279d0caa5fc1f12c438d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jmin-pingu/adm [INFO] finished tweaking git repo https://github.com/jmin-pingu/adm [INFO] tweaked toml for git repo https://github.com/jmin-pingu/adm written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/jmin-pingu/adm 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" "+03eb45452305f2d52348279d0caa5fc1f12c438d" "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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+03eb45452305f2d52348279d0caa5fc1f12c438d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3f4ed41ce65140ab3af59c1ede7cacb8080bc0bf74debba0322fb8ab2d0194cf [INFO] running `Command { std: "docker" "start" "-a" "3f4ed41ce65140ab3af59c1ede7cacb8080bc0bf74debba0322fb8ab2d0194cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3f4ed41ce65140ab3af59c1ede7cacb8080bc0bf74debba0322fb8ab2d0194cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3f4ed41ce65140ab3af59c1ede7cacb8080bc0bf74debba0322fb8ab2d0194cf", kill_on_drop: false }` [INFO] [stdout] 3f4ed41ce65140ab3af59c1ede7cacb8080bc0bf74debba0322fb8ab2d0194cf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+03eb45452305f2d52348279d0caa5fc1f12c438d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 68d52609c631396952f606dc7bcfb35e7a30d835b36ebece1e292696f7ae8cc0 [INFO] running `Command { std: "docker" "start" "-a" "68d52609c631396952f606dc7bcfb35e7a30d835b36ebece1e292696f7ae8cc0", kill_on_drop: false }` [INFO] [stderr] Checking adm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::mem` [INFO] [stdout] --> src/containers/trees/bst.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::mem; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cmp` [INFO] [stdout] --> src/containers/priority_queue/heap.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt` [INFO] [stdout] --> src/containers/priority_queue/heap.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fmt; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `collections::HashSet` [INFO] [stdout] --> src/graphs/weighted.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | collections::HashSet, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::mem` [INFO] [stdout] --> src/containers/trees/bst.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::mem; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cmp` [INFO] [stdout] --> src/containers/priority_queue/heap.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt` [INFO] [stdout] --> src/containers/priority_queue/heap.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fmt; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `collections::HashSet` [INFO] [stdout] --> src/graphs/weighted.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | collections::HashSet, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/containers/trees/bst.rs:142:25 [INFO] [stdout] | [INFO] [stdout] 142 | _ => { panic!("All values of `left` and `right` should have been exhausted") }, [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/containers/trees/bst.rs:142:25 [INFO] [stdout] | [INFO] [stdout] 136 | (None, None) => None, [INFO] [stdout] | ------------ matches some of the same values [INFO] [stdout] 137 | (Some(left), None) => Some(left), [INFO] [stdout] | ------------------ matches some of the same values [INFO] [stdout] 138 | (Some(left), Some(right)) => { [INFO] [stdout] | ------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 141 | (None, Some(right)) => Some(right), [INFO] [stdout] | ------------------- matches some of the same values [INFO] [stdout] 142 | _ => { panic!("All values of `left` and `right` should have been exhausted") }, [INFO] [stdout] | ^ collectively making this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/containers/sets/union_find.rs:46:19 [INFO] [stdout] | [INFO] [stdout] 46 | fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `is_leaf` and `is_full` are never used [INFO] [stdout] --> src/containers/trees/bst.rs:25:8 [INFO] [stdout] | [INFO] [stdout] 24 | impl Node { [INFO] [stdout] | ------------------------------------- methods in this implementation [INFO] [stdout] 25 | fn is_leaf(&self) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 32 | fn is_full(&self) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `into_linked_list` is never used [INFO] [stdout] --> src/containers/trees/bst.rs:180:8 [INFO] [stdout] | [INFO] [stdout] 73 | impl Bst { [INFO] [stdout] | -------------------------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 180 | fn into_linked_list(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `LinkedList` is never constructed [INFO] [stdout] --> src/containers/lists/linked_list.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct LinkedList { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `Link` is never used [INFO] [stdout] --> src/containers/lists/linked_list.rs:6:6 [INFO] [stdout] | [INFO] [stdout] 6 | type Link = Option>>; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Node` is never constructed [INFO] [stdout] --> src/containers/lists/linked_list.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | struct Node { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/containers/lists/linked_list.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 13 | impl LinkedList { [INFO] [stdout] | ------------------------------------------ associated items in this implementation [INFO] [stdout] 14 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 20 | pub fn get(&self, idx: usize) -> &T { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 33 | pub fn get_index(&self, item: T) -> Option { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 44 | pub fn delete(&mut self, item: T) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 61 | pub fn pop(&mut self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 71 | pub fn push(&mut self, item: T) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 76 | pub fn insert(&mut self, idx: usize, item: T) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `graph`, `parents`, and `total_weight` are never read [INFO] [stdout] --> src/graphs/weighted.rs:192:5 [INFO] [stdout] | [INFO] [stdout] 191 | pub struct MinSpanTree<'a> { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 192 | graph: &'a WeightedGraph, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 193 | parents: Vec>, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 194 | total_weight: i32, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MinSpanTree` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `graph` is never read [INFO] [stdout] --> src/graphs/weighted.rs:206:5 [INFO] [stdout] | [INFO] [stdout] 205 | pub struct ShortestPaths<'a> { [INFO] [stdout] | ------------- field in this struct [INFO] [stdout] 206 | graph: &'a WeightedGraph, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ShortestPaths` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `path` and `weight` are never read [INFO] [stdout] --> src/graphs/weighted.rs:232:5 [INFO] [stdout] | [INFO] [stdout] 231 | pub struct Path { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 232 | path: Vec, [INFO] [stdout] | ^^^^ [INFO] [stdout] 233 | weight: i32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Path` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/containers/trees/bst.rs:142:25 [INFO] [stdout] | [INFO] [stdout] 142 | _ => { panic!("All values of `left` and `right` should have been exhausted") }, [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/containers/trees/bst.rs:142:25 [INFO] [stdout] | [INFO] [stdout] 136 | (None, None) => None, [INFO] [stdout] | ------------ matches some of the same values [INFO] [stdout] 137 | (Some(left), None) => Some(left), [INFO] [stdout] | ------------------ matches some of the same values [INFO] [stdout] 138 | (Some(left), Some(right)) => { [INFO] [stdout] | ------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 141 | (None, Some(right)) => Some(right), [INFO] [stdout] | ------------------- matches some of the same values [INFO] [stdout] 142 | _ => { panic!("All values of `left` and `right` should have been exhausted") }, [INFO] [stdout] | ^ collectively making this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/containers/sets/union_find.rs:46:19 [INFO] [stdout] | [INFO] [stdout] 46 | fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `is_leaf` and `is_full` are never used [INFO] [stdout] --> src/containers/trees/bst.rs:25:8 [INFO] [stdout] | [INFO] [stdout] 24 | impl Node { [INFO] [stdout] | ------------------------------------- methods in this implementation [INFO] [stdout] 25 | fn is_leaf(&self) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 32 | fn is_full(&self) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `large` is never used [INFO] [stdout] --> src/containers/priority_queue/heap.rs:142:12 [INFO] [stdout] | [INFO] [stdout] 142 | pub fn large() { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `graph` and `parents` are never read [INFO] [stdout] --> src/graphs/weighted.rs:192:5 [INFO] [stdout] | [INFO] [stdout] 191 | pub struct MinSpanTree<'a> { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 192 | graph: &'a WeightedGraph, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 193 | parents: Vec>, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MinSpanTree` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `graph` is never read [INFO] [stdout] --> src/graphs/weighted.rs:206:5 [INFO] [stdout] | [INFO] [stdout] 205 | pub struct ShortestPaths<'a> { [INFO] [stdout] | ------------- field in this struct [INFO] [stdout] 206 | graph: &'a WeightedGraph, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ShortestPaths` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `path` is never read [INFO] [stdout] --> src/graphs/weighted.rs:232:5 [INFO] [stdout] | [INFO] [stdout] 231 | pub struct Path { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 232 | path: Vec, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Path` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.50s [INFO] running `Command { std: "docker" "inspect" "68d52609c631396952f606dc7bcfb35e7a30d835b36ebece1e292696f7ae8cc0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "68d52609c631396952f606dc7bcfb35e7a30d835b36ebece1e292696f7ae8cc0", kill_on_drop: false }` [INFO] [stdout] 68d52609c631396952f606dc7bcfb35e7a30d835b36ebece1e292696f7ae8cc0