[INFO] cloning repository https://github.com/varshard/rust_playground [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/varshard/rust_playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvarshard%2Frust_playground", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvarshard%2Frust_playground'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5713e6152f4e0ecc6baab8015f190ce23b8346cd [INFO] checking varshard/rust_playground against master#d49be02cf6d2e2a01264fcdef1e20c826710c0f5 for pr-133570-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvarshard%2Frust_playground" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/varshard/rust_playground on toolchain d49be02cf6d2e2a01264fcdef1e20c826710c0f5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d49be02cf6d2e2a01264fcdef1e20c826710c0f5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/varshard/rust_playground [INFO] finished tweaking git repo https://github.com/varshard/rust_playground [INFO] tweaked toml for git repo https://github.com/varshard/rust_playground written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/varshard/rust_playground 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" "+d49be02cf6d2e2a01264fcdef1e20c826710c0f5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded lazy-regex v3.0.2 [INFO] [stderr] Downloaded bytecount v0.6.4 [INFO] [stderr] Downloaded cucumber-codegen v0.20.1 [INFO] [stderr] Downloaded cucumber v0.20.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+d49be02cf6d2e2a01264fcdef1e20c826710c0f5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 825262f66c9be8c9d7e9ef8653a36a69563358c6ba2042905ba12c7960494ac7 [INFO] running `Command { std: "docker" "start" "-a" "825262f66c9be8c9d7e9ef8653a36a69563358c6ba2042905ba12c7960494ac7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "825262f66c9be8c9d7e9ef8653a36a69563358c6ba2042905ba12c7960494ac7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "825262f66c9be8c9d7e9ef8653a36a69563358c6ba2042905ba12c7960494ac7", kill_on_drop: false }` [INFO] [stdout] 825262f66c9be8c9d7e9ef8653a36a69563358c6ba2042905ba12c7960494ac7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+d49be02cf6d2e2a01264fcdef1e20c826710c0f5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c18766d20b3c0ffb12958c9b24142366b46c87c8c9df294bf750ec0e06e84e23 [INFO] running `Command { std: "docker" "start" "-a" "c18766d20b3c0ffb12958c9b24142366b46c87c8c9df294bf750ec0e06e84e23", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.69 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Checking memchr v2.6.4 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libc v0.2.149 [INFO] [stderr] Compiling heck v0.4.1 [INFO] [stderr] Compiling serde v1.0.189 [INFO] [stderr] Checking regex-syntax v0.8.2 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling futures-core v0.3.28 [INFO] [stderr] Compiling serde_json v1.0.107 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking aho-corasick v1.1.2 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling rustix v0.38.20 [INFO] [stderr] Compiling futures-task v0.3.28 [INFO] [stderr] Compiling futures-channel v0.3.28 [INFO] [stderr] Compiling syn v2.0.38 [INFO] [stderr] Compiling itoa v1.0.9 [INFO] [stderr] Checking utf8parse v0.2.1 [INFO] [stderr] 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(/opt/rustwide/workdir/crates/iterator) [INFO] [stderr] Checking macros v0.1.0 (/opt/rustwide/workdir/crates/macros) [INFO] [stderr] Checking linkedlist v0.1.0 (/opt/rustwide/workdir/crates/linkedlist) [INFO] [stderr] Checking heap v0.1.0 (/opt/rustwide/workdir/crates/heap) [INFO] [stdout] warning: struct `Heap` is never constructed [INFO] [stdout] --> crates/heap/src/lib.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Heap { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> crates/heap/src/lib.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 7 | impl Heap { [INFO] [stdout] | --------- associated items in this implementation [INFO] [stdout] 8 | pub fn new() -> Self<> { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 16 | pub fn push(&mut self, v: i32) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 32 | pub fn pop(&mut self) -> Option{ [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 76 | pub fn len(&self) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 80 | fn parent(&self, i: usize) -> usize { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 84 | fn left(&self, i: usize) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 88 | fn right(&self, i: usize) -> usize { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `length` and `is_empty` are never used [INFO] [stdout] --> crates/linkedlist/src/lib.rs:36:8 [INFO] [stdout] | [INFO] [stdout] 35 | impl LinkedList { [INFO] [stdout] | --------------------- methods in this implementation [INFO] [stdout] 36 | fn length(&self) -> usize { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 40 | fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking coinchange v0.1.0 (/opt/rustwide/workdir/crates/coinchange) [INFO] [stdout] warning: unused variable: `k` [INFO] [stdout] --> crates/iterator/src/lib.rs:23:40 [INFO] [stdout] | [INFO] [stdout] 23 | assert_eq!(map.iter().filter(|(k, v)| **v == String::from("bar")) [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_k` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking binary_tree v0.1.0 (/opt/rustwide/workdir/crates/binary_tree) [INFO] [stderr] Checking error_handling v0.1.0 (/opt/rustwide/workdir/crates/error_handling) [INFO] [stderr] Checking tokio v1.33.0 [INFO] [stdout] warning: fields `value`, `next`, and `prev` are never read [INFO] [stdout] --> crates/linkedlist/src/lib.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 16 | pub struct Node { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 17 | value: T, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 18 | // use box, because it's not possible to predetermine the size of next, so use heap [INFO] [stdout] 19 | next: Link, [INFO] [stdout] | ^^^^ [INFO] [stdout] 20 | prev: Link [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> crates/linkedlist/src/lib.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 23 | impl Node { [INFO] [stdout] | --------------- associated function in this implementation [INFO] [stdout] 24 | fn new(val: T) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `head`, `tail`, and `size` are never read [INFO] [stdout] --> crates/linkedlist/src/lib.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 29 | pub struct LinkedList { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 30 | head: Link, [INFO] [stdout] | ^^^^ [INFO] [stdout] 31 | tail: Link, [INFO] [stdout] | ^^^^ [INFO] [stdout] 32 | size: usize, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `length`, `is_empty`, `new`, `append`, and `pop_front` are never used [INFO] [stdout] --> crates/linkedlist/src/lib.rs:36:8 [INFO] [stdout] | [INFO] [stdout] 35 | impl LinkedList { [INFO] [stdout] | --------------------- associated items in this implementation [INFO] [stdout] 36 | fn length(&self) -> usize { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 40 | fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 44 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 52 | fn append(&mut self, val: T) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 76 | fn pop_front(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking tests v0.1.0 (/opt/rustwide/workdir/crates/tests) [INFO] [stderr] Checking futures-executor v0.3.28 [INFO] [stdout] warning: field `root` is never read [INFO] [stdout] --> crates/binary_tree/src/lib.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct Tree { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 8 | root: Option>, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `value`, `left`, and `right` are never read [INFO] [stdout] --> crates/binary_tree/src/lib.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 12 | struct Node { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 13 | value: T, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 14 | left: Option>, [INFO] [stdout] | ^^^^ [INFO] [stdout] 15 | right: Option>, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `insert` are never used [INFO] [stdout] --> crates/binary_tree/src/lib.rs:21:8 [INFO] [stdout] | [INFO] [stdout] 20 | impl Node { [INFO] [stdout] | -------------------- associated items in this implementation [INFO] [stdout] 21 | fn new(value: T) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 28 | fn insert(&mut self, node: TreeNode) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `insert`, and `sum_tree` are never used [INFO] [stdout] --> crates/binary_tree/src/lib.rs:57:8 [INFO] [stdout] | [INFO] [stdout] 56 | impl + Default + Copy> Tree { [INFO] [stdout] | ----------------------------------------------------- associated items in this implementation [INFO] [stdout] 57 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 61 | fn insert(&mut self, value: T) -> &mut Self { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 71 | fn sum_tree(&self) -> T { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking clap v4.4.6 [INFO] [stderr] Checking futures v0.3.28 [INFO] [stderr] Compiling gherkin v0.14.0 [INFO] [stderr] Checking cucumber v0.20.1 [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 19s [INFO] running `Command { std: "docker" "inspect" "c18766d20b3c0ffb12958c9b24142366b46c87c8c9df294bf750ec0e06e84e23", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c18766d20b3c0ffb12958c9b24142366b46c87c8c9df294bf750ec0e06e84e23", kill_on_drop: false }` [INFO] [stdout] c18766d20b3c0ffb12958c9b24142366b46c87c8c9df294bf750ec0e06e84e23