[INFO] cloning repository https://github.com/linde12/linkedlists-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/linde12/linkedlists-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinde12%2Flinkedlists-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinde12%2Flinkedlists-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 97bea22c89c64cdf53f521209538416e5f486724 [INFO] testing linde12/linkedlists-rs against master#0e21a27075a8c508f00d1a4430497f17ce93d5c9 for pr-98839 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinde12%2Flinkedlists-rs" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/linde12/linkedlists-rs on toolchain 0e21a27075a8c508f00d1a4430497f17ce93d5c9 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0e21a27075a8c508f00d1a4430497f17ce93d5c9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/linde12/linkedlists-rs [INFO] finished tweaking git repo https://github.com/linde12/linkedlists-rs [INFO] tweaked toml for git repo https://github.com/linde12/linkedlists-rs written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/linde12/linkedlists-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0e21a27075a8c508f00d1a4430497f17ce93d5c9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+0e21a27075a8c508f00d1a4430497f17ce93d5c9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9964243d64f4bd81ffb765841ec4bff1e2e964144608fe68c1fad33fde47a6d0 [INFO] running `Command { std: "docker" "start" "-a" "9964243d64f4bd81ffb765841ec4bff1e2e964144608fe68c1fad33fde47a6d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9964243d64f4bd81ffb765841ec4bff1e2e964144608fe68c1fad33fde47a6d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9964243d64f4bd81ffb765841ec4bff1e2e964144608fe68c1fad33fde47a6d0", kill_on_drop: false }` [INFO] [stdout] 9964243d64f4bd81ffb765841ec4bff1e2e964144608fe68c1fad33fde47a6d0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+0e21a27075a8c508f00d1a4430497f17ce93d5c9" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 784b0b5cd458709358ab1d997d5bc9e6cbeb2aa31da598ea35d39586646784b5 [INFO] running `Command { std: "docker" "start" "-a" "784b0b5cd458709358ab1d997d5bc9e6cbeb2aa31da598ea35d39586646784b5", kill_on_drop: false }` [INFO] [stderr] Compiling linkedlist v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `head`, `tail` and `size` are never read [INFO] [stdout] --> src/queue.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Queue { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 5 | head: Link, [INFO] [stdout] | ^^^^ [INFO] [stdout] 6 | tail: *mut Node, // unsafe [INFO] [stdout] | ^^^^ [INFO] [stdout] 7 | size: usize, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] = note: `Queue` 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 `data` and `next` are never read [INFO] [stdout] --> src/queue.rs:61:5 [INFO] [stdout] | [INFO] [stdout] 60 | struct Node { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 61 | data: T, [INFO] [stdout] | ^^^^ [INFO] [stdout] 62 | next: Link, [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 function `new` is never used [INFO] [stdout] --> src/queue.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `push` is never used [INFO] [stdout] --> src/queue.rs:19:12 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn push(&mut self, data: T) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `pop` is never used [INFO] [stdout] --> src/queue.rs:40:12 [INFO] [stdout] | [INFO] [stdout] 40 | pub fn pop(&mut self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `size` is never used [INFO] [stdout] --> src/queue.rs:54:12 [INFO] [stdout] | [INFO] [stdout] 54 | pub fn size(&self) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/stack.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `push` is never used [INFO] [stdout] --> src/stack.rs:27:12 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn push(&mut self, data: T) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `size` is never used [INFO] [stdout] --> src/stack.rs:44:12 [INFO] [stdout] | [INFO] [stdout] 44 | pub fn size(&self) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `iter` is never used [INFO] [stdout] --> src/stack.rs:52:12 [INFO] [stdout] | [INFO] [stdout] 52 | pub fn iter(&self) -> Iter<'_, T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `iter_mut` is never used [INFO] [stdout] --> src/stack.rs:56:12 [INFO] [stdout] | [INFO] [stdout] 56 | pub fn iter_mut(&mut self) -> IterMut<'_, T> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.25s [INFO] running `Command { std: "docker" "inspect" "784b0b5cd458709358ab1d997d5bc9e6cbeb2aa31da598ea35d39586646784b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "784b0b5cd458709358ab1d997d5bc9e6cbeb2aa31da598ea35d39586646784b5", kill_on_drop: false }` [INFO] [stdout] 784b0b5cd458709358ab1d997d5bc9e6cbeb2aa31da598ea35d39586646784b5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+0e21a27075a8c508f00d1a4430497f17ce93d5c9" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6a5d14ea8159f031a271fce31936138388ef71f7a90b17ef7e195308be3fc013 [INFO] running `Command { std: "docker" "start" "-a" "6a5d14ea8159f031a271fce31936138388ef71f7a90b17ef7e195308be3fc013", kill_on_drop: false }` [INFO] [stderr] Compiling linkedlist v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.61s [INFO] running `Command { std: "docker" "inspect" "6a5d14ea8159f031a271fce31936138388ef71f7a90b17ef7e195308be3fc013", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6a5d14ea8159f031a271fce31936138388ef71f7a90b17ef7e195308be3fc013", kill_on_drop: false }` [INFO] [stdout] 6a5d14ea8159f031a271fce31936138388ef71f7a90b17ef7e195308be3fc013 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+0e21a27075a8c508f00d1a4430497f17ce93d5c9" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] c15fdbeea8efd0f193a7afb411fb496cbb22533f2626d45c120f51467ab6e959 [INFO] running `Command { std: "docker" "start" "-a" "c15fdbeea8efd0f193a7afb411fb496cbb22533f2626d45c120f51467ab6e959", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.00s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/linkedlist-34575ef932c08911) [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test queue::tests::push_pop ... ok [INFO] [stdout] test stack::tests::intoiterator ... ok [INFO] [stdout] test stack::tests::iter ... ok [INFO] [stdout] test stack::tests::iter_mut ... ok [INFO] [stdout] test stack::tests::push_pop ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "c15fdbeea8efd0f193a7afb411fb496cbb22533f2626d45c120f51467ab6e959", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c15fdbeea8efd0f193a7afb411fb496cbb22533f2626d45c120f51467ab6e959", kill_on_drop: false }` [INFO] [stdout] c15fdbeea8efd0f193a7afb411fb496cbb22533f2626d45c120f51467ab6e959