[INFO] cloning repository https://github.com/catdogpandas/rust-test-case [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/catdogpandas/rust-test-case" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcatdogpandas%2Frust-test-case", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcatdogpandas%2Frust-test-case'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d9a90a67174a0574f8066e66a8ff55d8adaff809 [INFO] checking catdogpandas/rust-test-case against master#ca77504943887037504c7fc0b9bf06dab3910373 for pr-145181 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcatdogpandas%2Frust-test-case" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] removed /workspace/builds/worker-5-tc1/source/rust-toolchain.toml [INFO] started tweaking git repo https://github.com/catdogpandas/rust-test-case [INFO] finished tweaking git repo https://github.com/catdogpandas/rust-test-case [INFO] tweaked toml for git repo https://github.com/catdogpandas/rust-test-case written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/catdogpandas/rust-test-case on toolchain ca77504943887037504c7fc0b9bf06dab3910373 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ca77504943887037504c7fc0b9bf06dab3910373" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/catdogpandas/rust-test-case 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" "+ca77504943887037504c7fc0b9bf06dab3910373" "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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+ca77504943887037504c7fc0b9bf06dab3910373" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d26335f8a20c47c1bb345c90bfb83073501406b4604a5bd0149efcea283e8377 [INFO] running `Command { std: "docker" "start" "-a" "d26335f8a20c47c1bb345c90bfb83073501406b4604a5bd0149efcea283e8377", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d26335f8a20c47c1bb345c90bfb83073501406b4604a5bd0149efcea283e8377", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d26335f8a20c47c1bb345c90bfb83073501406b4604a5bd0149efcea283e8377", kill_on_drop: false }` [INFO] [stdout] d26335f8a20c47c1bb345c90bfb83073501406b4604a5bd0149efcea283e8377 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+ca77504943887037504c7fc0b9bf06dab3910373" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7ddec6d9c426997799847152eab6ed3085a7254c0c0a5e9eacb12335cbba6299 [INFO] running `Command { std: "docker" "start" "-a" "7ddec6d9c426997799847152eab6ed3085a7254c0c0a5e9eacb12335cbba6299", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.151 [INFO] [stderr] Checking rust-test-case v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/examples.rs:14:13 [INFO] [stdout] | [INFO] [stdout] 14 | let mut v: Vec> = Vec::new(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tmp_heap_alloc` [INFO] [stdout] --> src/examples.rs:16:17 [INFO] [stdout] | [INFO] [stdout] 16 | let mut tmp_heap_alloc = Box::new(1); [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tmp_heap_alloc` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/examples.rs:14:13 [INFO] [stdout] | [INFO] [stdout] 14 | let mut v: Vec> = Vec::new(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tmp_heap_alloc` [INFO] [stdout] --> src/examples.rs:16:17 [INFO] [stdout] | [INFO] [stdout] 16 | let mut tmp_heap_alloc = Box::new(1); [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tmp_heap_alloc` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/examples.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let mut v: Vec> = Vec::new(); [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/examples.rs:16:13 [INFO] [stdout] | [INFO] [stdout] 16 | let mut tmp_heap_alloc = Box::new(1); [INFO] [stdout] | ----^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/examples.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let mut v: Vec> = Vec::new(); [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/examples.rs:16:13 [INFO] [stdout] | [INFO] [stdout] 16 | let mut tmp_heap_alloc = Box::new(1); [INFO] [stdout] | ----^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/examples.rs:99:9 [INFO] [stdout] | [INFO] [stdout] 99 | let mut heap_obj: Box = Box::new(NewsArticle { [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/examples.rs:99:9 [INFO] [stdout] | [INFO] [stdout] 99 | let mut heap_obj: Box = Box::new(NewsArticle { [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/examples.rs:107:9 [INFO] [stdout] | [INFO] [stdout] 107 | let mut heap_obj: &dyn Summary = &NewsArticle { [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/examples.rs:107:9 [INFO] [stdout] | [INFO] [stdout] 107 | let mut heap_obj: &dyn Summary = &NewsArticle { [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `list_in_closure` [INFO] [stdout] --> src/examples.rs:174:13 [INFO] [stdout] | [INFO] [stdout] 174 | let list_in_closure = list; [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_list_in_closure` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `list_in_closure` [INFO] [stdout] --> src/examples.rs:174:13 [INFO] [stdout] | [INFO] [stdout] 174 | let list_in_closure = list; [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_list_in_closure` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `split_at_mut` is never used [INFO] [stdout] --> src/examples.rs:42:4 [INFO] [stdout] | [INFO] [stdout] 42 | fn split_at_mut(values: &mut [i32], mid: usize) -> (&mut [i32], &mut [i32]) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `split_at_mut` is never used [INFO] [stdout] --> src/examples.rs:42:4 [INFO] [stdout] | [INFO] [stdout] 42 | fn split_at_mut(values: &mut [i32], mid: usize) -> (&mut [i32], &mut [i32]) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Shoe` is never constructed [INFO] [stdout] --> src/examples.rs:155:8 [INFO] [stdout] | [INFO] [stdout] 155 | struct Shoe { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `shoes_in_size` is never used [INFO] [stdout] --> src/examples.rs:160:4 [INFO] [stdout] | [INFO] [stdout] 160 | fn shoes_in_size(shoes: Vec, shoe_size: u32) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Shoe` is never constructed [INFO] [stdout] --> src/examples.rs:155:8 [INFO] [stdout] | [INFO] [stdout] 155 | struct Shoe { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `shoes_in_size` is never used [INFO] [stdout] --> src/examples.rs:160:4 [INFO] [stdout] | [INFO] [stdout] 160 | fn shoes_in_size(shoes: Vec, shoe_size: u32) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.97s [INFO] running `Command { std: "docker" "inspect" "7ddec6d9c426997799847152eab6ed3085a7254c0c0a5e9eacb12335cbba6299", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7ddec6d9c426997799847152eab6ed3085a7254c0c0a5e9eacb12335cbba6299", kill_on_drop: false }` [INFO] [stdout] 7ddec6d9c426997799847152eab6ed3085a7254c0c0a5e9eacb12335cbba6299