[INFO] cloning repository https://github.com/Xtreme-Light/_function_playground [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Xtreme-Light/_function_playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXtreme-Light%2F_function_playground", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXtreme-Light%2F_function_playground'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 65c5e8bb56dd9082096c0081f3dba63207480db4 [INFO] checking Xtreme-Light/_function_playground/65c5e8bb56dd9082096c0081f3dba63207480db4 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXtreme-Light%2F_function_playground" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Xtreme-Light/_function_playground on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Xtreme-Light/_function_playground [INFO] finished tweaking git repo https://github.com/Xtreme-Light/_function_playground [INFO] tweaked toml for git repo https://github.com/Xtreme-Light/_function_playground written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Xtreme-Light/_function_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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6dfc0f9a13c38911b078f1c3fea93a12154b80d859452650f30c6828777c4d7a [INFO] running `Command { std: "docker" "start" "-a" "6dfc0f9a13c38911b078f1c3fea93a12154b80d859452650f30c6828777c4d7a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6dfc0f9a13c38911b078f1c3fea93a12154b80d859452650f30c6828777c4d7a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6dfc0f9a13c38911b078f1c3fea93a12154b80d859452650f30c6828777c4d7a", kill_on_drop: false }` [INFO] [stdout] 6dfc0f9a13c38911b078f1c3fea93a12154b80d859452650f30c6828777c4d7a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] afe98679da3f22ebaa1e7ce785b1b321c7d36133cd81f78e7c1b50636fe0cafc [INFO] running `Command { std: "docker" "start" "-a" "afe98679da3f22ebaa1e7ce785b1b321c7d36133cd81f78e7c1b50636fe0cafc", kill_on_drop: false }` [INFO] [stderr] Checking _function_playground v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `collections::linked_list` [INFO] [stdout] --> src/linked_list.rs:1:34 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{cell::RefCell, rc::Rc, collections::linked_list}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `collections::linked_list` [INFO] [stdout] --> src/linked_list.rs:1:34 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{cell::RefCell, rc::Rc, collections::linked_list}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `data` is never read [INFO] [stdout] --> src/linked_list.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 4 | struct Node { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 5 | data: Rc, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `get_prev` and `get_next` are never used [INFO] [stdout] --> src/linked_list.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 10 | impl Node { [INFO] [stdout] | --------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 26 | fn get_prev(&self) -> Link { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 30 | fn get_next(&self) -> Link { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `data` is never read [INFO] [stdout] --> src/linked_list.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 4 | struct Node { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 5 | data: Rc, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `get_prev` and `get_next` are never used [INFO] [stdout] --> src/linked_list.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 10 | impl Node { [INFO] [stdout] | --------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 26 | fn get_prev(&self) -> Link { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 30 | fn get_next(&self) -> Link { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s [INFO] running `Command { std: "docker" "inspect" "afe98679da3f22ebaa1e7ce785b1b321c7d36133cd81f78e7c1b50636fe0cafc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "afe98679da3f22ebaa1e7ce785b1b321c7d36133cd81f78e7c1b50636fe0cafc", kill_on_drop: false }` [INFO] [stdout] afe98679da3f22ebaa1e7ce785b1b321c7d36133cd81f78e7c1b50636fe0cafc