[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#46424fb5054f211ec836c5c03159f92e46bb35ac for pr-139042
[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 46424fb5054f211ec836c5c03159f92e46bb35ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "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" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b103158f56938b4018ee17f1c1ebec70f52f93419037c67296d1f594382bd7f
[INFO] running `Command { std: "docker" "start" "-a" "9b103158f56938b4018ee17f1c1ebec70f52f93419037c67296d1f594382bd7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b103158f56938b4018ee17f1c1ebec70f52f93419037c67296d1f594382bd7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b103158f56938b4018ee17f1c1ebec70f52f93419037c67296d1f594382bd7f", kill_on_drop: false }`
[INFO] [stdout] 9b103158f56938b4018ee17f1c1ebec70f52f93419037c67296d1f594382bd7f
[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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2bb3687b40e6e2d6739e05b87c06f0254cab68bd8f070f9a5211fa8cc17b09de
[INFO] running `Command { std: "docker" "start" "-a" "2bb3687b40e6e2d6739e05b87c06f0254cab68bd8f070f9a5211fa8cc17b09de", 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<T: PartialOrd + Display> Node<T> {
[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<T: PartialOrd + Display + Clone> Bst<T> {
[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<T> {
[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<T> = Option<Box<Node<T>>>;
[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<T> {
[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<T: std::cmp::PartialEq> LinkedList<T> {
[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<usize> {
[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<T> {
[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<Option<usize>>,
[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<usize>,
[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<T: PartialOrd + Display> Node<T> {
[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<Option<usize>>,
[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<usize>,
[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 0.27s
[INFO] running `Command { std: "docker" "inspect" "2bb3687b40e6e2d6739e05b87c06f0254cab68bd8f070f9a5211fa8cc17b09de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bb3687b40e6e2d6739e05b87c06f0254cab68bd8f070f9a5211fa8cc17b09de", kill_on_drop: false }`
[INFO] [stdout] 2bb3687b40e6e2d6739e05b87c06f0254cab68bd8f070f9a5211fa8cc17b09de
