[INFO] cloning repository https://github.com/flyingpenguin57/RustCollection [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/flyingpenguin57/RustCollection" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflyingpenguin57%2FRustCollection", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflyingpenguin57%2FRustCollection'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c2750dcdf64114459a05cccdcbc7d212ef966afd [INFO] testing flyingpenguin57/RustCollection against master#b03b3a7ec92682be2917540b679478d41c95a30c for pr-137122-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflyingpenguin57%2FRustCollection" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/flyingpenguin57/RustCollection [INFO] finished tweaking git repo https://github.com/flyingpenguin57/RustCollection [INFO] tweaked toml for git repo https://github.com/flyingpenguin57/RustCollection written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/flyingpenguin57/RustCollection on toolchain b03b3a7ec92682be2917540b679478d41c95a30c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/flyingpenguin57/RustCollection 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" "+b03b3a7ec92682be2917540b679478d41c95a30c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bb0670b6deb6cc206a4dbf4da57d023d2208fbe260685388bef13c5f64a154f4 [INFO] running `Command { std: "docker" "start" "-a" "bb0670b6deb6cc206a4dbf4da57d023d2208fbe260685388bef13c5f64a154f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bb0670b6deb6cc206a4dbf4da57d023d2208fbe260685388bef13c5f64a154f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bb0670b6deb6cc206a4dbf4da57d023d2208fbe260685388bef13c5f64a154f4", kill_on_drop: false }` [INFO] [stdout] bb0670b6deb6cc206a4dbf4da57d023d2208fbe260685388bef13c5f64a154f4 [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e5208d4e223150e08af69c08cca7401c00a1fc76f72aa9d2bd213052f8a47ebf [INFO] running `Command { std: "docker" "start" "-a" "e5208d4e223150e08af69c08cca7401c00a1fc76f72aa9d2bd213052f8a47ebf", kill_on_drop: false }` [INFO] [stderr] Compiling RustCollection v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `Node` is never constructed [INFO] [stdout] --> src/stack.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct Node { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [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: associated items `new`, `push`, and `pop` are never used [INFO] [stdout] --> src/stack.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 11 | impl Stack { [INFO] [stdout] | ----------------------------------- associated items in this implementation [INFO] [stdout] 12 | pub fn new() -> Stack { Stack{len: 0,top: None} } [INFO] [stdout] | ^^^ [INFO] [stdout] 13 | [INFO] [stdout] 14 | pub fn push(&mut self, element: T) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 25 | pub fn pop(&mut self) -> Option>> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `RustCollection` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = help: convert the identifier to snake case: `rust_collection` [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] running `Command { std: "docker" "inspect" "e5208d4e223150e08af69c08cca7401c00a1fc76f72aa9d2bd213052f8a47ebf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e5208d4e223150e08af69c08cca7401c00a1fc76f72aa9d2bd213052f8a47ebf", kill_on_drop: false }` [INFO] [stdout] e5208d4e223150e08af69c08cca7401c00a1fc76f72aa9d2bd213052f8a47ebf [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 668c22db160a6e095308f4b442ac43b483517c3a1f41f66f38e6984a9fe17e84 [INFO] running `Command { std: "docker" "start" "-a" "668c22db160a6e095308f4b442ac43b483517c3a1f41f66f38e6984a9fe17e84", kill_on_drop: false }` [INFO] [stderr] Compiling RustCollection v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `Node` is never constructed [INFO] [stdout] --> src/stack.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct Node { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [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: associated items `new`, `push`, and `pop` are never used [INFO] [stdout] --> src/stack.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 11 | impl Stack { [INFO] [stdout] | ----------------------------------- associated items in this implementation [INFO] [stdout] 12 | pub fn new() -> Stack { Stack{len: 0,top: None} } [INFO] [stdout] | ^^^ [INFO] [stdout] 13 | [INFO] [stdout] 14 | pub fn push(&mut self, element: T) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 25 | pub fn pop(&mut self) -> Option>> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `RustCollection` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = help: convert the identifier to snake case: `rust_collection` [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `result` [INFO] [stdout] --> src/lib.rs:10:22 [INFO] [stdout] | [INFO] [stdout] 10 | use std::{panic, result}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Node` [INFO] [stdout] --> src/lib.rs:11:24 [INFO] [stdout] | [INFO] [stdout] 11 | use crate::stack::{Node, Stack}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/lib.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.24s [INFO] running `Command { std: "docker" "inspect" "668c22db160a6e095308f4b442ac43b483517c3a1f41f66f38e6984a9fe17e84", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "668c22db160a6e095308f4b442ac43b483517c3a1f41f66f38e6984a9fe17e84", kill_on_drop: false }` [INFO] [stdout] 668c22db160a6e095308f4b442ac43b483517c3a1f41f66f38e6984a9fe17e84 [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 9f161f2612ba78bfd70c3f0c5346ff08f8803a4b990202af31d3c37d9a84d9de [INFO] running `Command { std: "docker" "start" "-a" "9f161f2612ba78bfd70c3f0c5346ff08f8803a4b990202af31d3c37d9a84d9de", kill_on_drop: false }` [INFO] [stderr] warning: struct `Node` is never constructed [INFO] [stderr] --> src/stack.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | pub struct Node { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct `Stack` is never constructed [INFO] [stderr] --> src/stack.rs:6:12 [INFO] [stderr] | [INFO] [stderr] 6 | pub struct Stack { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated items `new`, `push`, and `pop` are never used [INFO] [stderr] --> src/stack.rs:12:12 [INFO] [stderr] | [INFO] [stderr] 11 | impl Stack { [INFO] [stderr] | ----------------------------------- associated items in this implementation [INFO] [stderr] 12 | pub fn new() -> Stack { Stack{len: 0,top: None} } [INFO] [stderr] | ^^^ [INFO] [stderr] 13 | [INFO] [stderr] 14 | pub fn push(&mut self, element: T) { [INFO] [stderr] | ^^^^ [INFO] [stderr] ... [INFO] [stderr] 25 | pub fn pop(&mut self) -> Option>> { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: crate `RustCollection` should have a snake case name [INFO] [stderr] | [INFO] [stderr] = help: convert the identifier to snake case: `rust_collection` [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `RustCollection` (lib) generated 4 warnings [INFO] [stderr] warning: unused import: `result` [INFO] [stderr] --> src/lib.rs:10:22 [INFO] [stderr] | [INFO] [stderr] 10 | use std::{panic, result}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Node` [INFO] [stderr] --> src/lib.rs:11:24 [INFO] [stderr] | [INFO] [stderr] 11 | use crate::stack::{Node, Stack}; [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `super::*` [INFO] [stderr] --> src/lib.rs:12:9 [INFO] [stderr] | [INFO] [stderr] 12 | use super::*; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `RustCollection` (lib test) generated 3 warnings (run `cargo fix --lib -p RustCollection --tests` to apply 3 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/RustCollection-e8e83929dfa3e1e7) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::stack_test_1 ... ok [INFO] [stderr] Doc-tests RustCollection [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "9f161f2612ba78bfd70c3f0c5346ff08f8803a4b990202af31d3c37d9a84d9de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9f161f2612ba78bfd70c3f0c5346ff08f8803a4b990202af31d3c37d9a84d9de", kill_on_drop: false }` [INFO] [stdout] 9f161f2612ba78bfd70c3f0c5346ff08f8803a4b990202af31d3c37d9a84d9de