[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#562dee4820c458d823175268e41601d4c060588a for pr-154210-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinde12%2Flinkedlists-rs" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [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-6-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/linde12/linkedlists-rs on toolchain 562dee4820c458d823175268e41601d4c060588a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/linde12/linkedlists-rs 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2e646b2021a88890906962cbd8a4d9ed886789b0c00367b734c70a21fc73cd73 [INFO] running `Command { std: "docker" "start" "-a" "2e646b2021a88890906962cbd8a4d9ed886789b0c00367b734c70a21fc73cd73", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2e646b2021a88890906962cbd8a4d9ed886789b0c00367b734c70a21fc73cd73", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2e646b2021a88890906962cbd8a4d9ed886789b0c00367b734c70a21fc73cd73", kill_on_drop: false }` [INFO] [stdout] 2e646b2021a88890906962cbd8a4d9ed886789b0c00367b734c70a21fc73cd73 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cf5651b6a70191f1b713e43e59e9081c6aec12e8b28e120d28946dcae7aeaae0 [INFO] running `Command { std: "docker" "start" "-a" "cf5651b6a70191f1b713e43e59e9081c6aec12e8b28e120d28946dcae7aeaae0", kill_on_drop: false }` [INFO] [stderr] Compiling linkedlist v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `Queue` is never constructed [INFO] [stdout] --> src/queue.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Queue { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `push`, `pop`, and `size` are never used [INFO] [stdout] --> src/queue.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 10 | impl Queue { [INFO] [stdout] | ---------------- associated items in this implementation [INFO] [stdout] 11 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 19 | pub fn push(&mut self, data: T) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 40 | pub fn pop(&mut self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 54 | pub fn size(&self) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Node` is never constructed [INFO] [stdout] --> src/queue.rs:60:8 [INFO] [stdout] | [INFO] [stdout] 60 | struct Node { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `Link` is never used [INFO] [stdout] --> src/queue.rs:65:6 [INFO] [stdout] | [INFO] [stdout] 65 | type Link = Option>>; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `IntoIter` is never constructed [INFO] [stdout] --> src/stack.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct IntoIter(Stack); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Iter` is never constructed [INFO] [stdout] --> src/stack.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct Iter<'a, T>(Option<&'a Node>); [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `IterMut` is never constructed [INFO] [stdout] --> src/stack.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct IterMut<'a, T>(Option<&'a mut Node>); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Stack` is never constructed [INFO] [stdout] --> src/stack.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct Stack { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Node` is never constructed [INFO] [stdout] --> src/stack.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | struct Node { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `Link` is never used [INFO] [stdout] --> src/stack.rs:17:6 [INFO] [stdout] | [INFO] [stdout] 17 | type Link = Option>>; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/stack.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 19 | impl Stack { [INFO] [stdout] | ---------------- associated items in this implementation [INFO] [stdout] 20 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 27 | pub fn push(&mut self, data: T) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 36 | pub fn pop(&mut self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 44 | pub fn size(&self) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 48 | pub fn into_iter(self) -> IntoIter { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 52 | pub fn iter(&self) -> Iter<'_, T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 56 | pub fn iter_mut(&mut self) -> IterMut<'_, T> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s [INFO] running `Command { std: "docker" "inspect" "cf5651b6a70191f1b713e43e59e9081c6aec12e8b28e120d28946dcae7aeaae0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cf5651b6a70191f1b713e43e59e9081c6aec12e8b28e120d28946dcae7aeaae0", kill_on_drop: false }` [INFO] [stdout] cf5651b6a70191f1b713e43e59e9081c6aec12e8b28e120d28946dcae7aeaae0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 40ae8e45e42d9f7e99c3a6b504b7cb7cdc0a9025ea88872680444563e8375588 [INFO] running `Command { std: "docker" "start" "-a" "40ae8e45e42d9f7e99c3a6b504b7cb7cdc0a9025ea88872680444563e8375588", kill_on_drop: false }` [INFO] [stderr] Compiling linkedlist v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.75s [INFO] running `Command { std: "docker" "inspect" "40ae8e45e42d9f7e99c3a6b504b7cb7cdc0a9025ea88872680444563e8375588", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "40ae8e45e42d9f7e99c3a6b504b7cb7cdc0a9025ea88872680444563e8375588", kill_on_drop: false }` [INFO] [stdout] 40ae8e45e42d9f7e99c3a6b504b7cb7cdc0a9025ea88872680444563e8375588 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 3f433d1da380ed27f97996cf0b753a9650d5cd571a35af8157af59b83a87e38a [INFO] running `Command { std: "docker" "start" "-a" "3f433d1da380ed27f97996cf0b753a9650d5cd571a35af8157af59b83a87e38a", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/linkedlist-f1e7a24f09d4aa2d) [INFO] [stdout] running 5 tests [INFO] [stdout] test queue::tests::push_pop ... ok [INFO] [stdout] test stack::tests::iter_mut ... ok [INFO] [stdout] test stack::tests::iter ... ok [INFO] [stdout] test stack::tests::push_pop ... ok [INFO] [stdout] test stack::tests::intoiterator ... 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" "3f433d1da380ed27f97996cf0b753a9650d5cd571a35af8157af59b83a87e38a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3f433d1da380ed27f97996cf0b753a9650d5cd571a35af8157af59b83a87e38a", kill_on_drop: false }` [INFO] [stdout] 3f433d1da380ed27f97996cf0b753a9650d5cd571a35af8157af59b83a87e38a