[INFO] cloning repository https://github.com/John-Kryspin/RustyData [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/John-Kryspin/RustyData" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohn-Kryspin%2FRustyData", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohn-Kryspin%2FRustyData'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5d623d213d532a8cd6285665cb77eff9a16cf1f7 [INFO] checking John-Kryspin/RustyData against master#94b72d6bebbddb5d17860914c4544f37365e988c for pr-122789 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohn-Kryspin%2FRustyData" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/John-Kryspin/RustyData on toolchain 94b72d6bebbddb5d17860914c4544f37365e988c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+94b72d6bebbddb5d17860914c4544f37365e988c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/John-Kryspin/RustyData [INFO] finished tweaking git repo https://github.com/John-Kryspin/RustyData [INFO] tweaked toml for git repo https://github.com/John-Kryspin/RustyData written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/John-Kryspin/RustyData 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" "+94b72d6bebbddb5d17860914c4544f37365e988c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking John-Kryspin/RustyData against try#cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc for pr-122789 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohn-Kryspin%2FRustyData" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/John-Kryspin/RustyData on toolchain cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/John-Kryspin/RustyData [INFO] finished tweaking git repo https://github.com/John-Kryspin/RustyData [INFO] tweaked toml for git repo https://github.com/John-Kryspin/RustyData written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/John-Kryspin/RustyData 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" "+cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 960c855e7c38eeb4fc5c5b490dd3da2d7f95506f92b0dc6a4fba6d4aaaee7247 [INFO] running `Command { std: "docker" "start" "-a" "960c855e7c38eeb4fc5c5b490dd3da2d7f95506f92b0dc6a4fba6d4aaaee7247", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "960c855e7c38eeb4fc5c5b490dd3da2d7f95506f92b0dc6a4fba6d4aaaee7247", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "960c855e7c38eeb4fc5c5b490dd3da2d7f95506f92b0dc6a4fba6d4aaaee7247", kill_on_drop: false }` [INFO] [stdout] 960c855e7c38eeb4fc5c5b490dd3da2d7f95506f92b0dc6a4fba6d4aaaee7247 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6f4099e1c7d02627e2a737d7d27c435f1e9996784de534398703cf777be9a3c7 [INFO] running `Command { std: "docker" "start" "-a" "6f4099e1c7d02627e2a737d7d27c435f1e9996784de534398703cf777be9a3c7", kill_on_drop: false }` [INFO] [stderr] Checking Stack v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `swap` is never used [INFO] [stdout] --> src/stack.rs:49:12 [INFO] [stdout] | [INFO] [stdout] 22 | impl Stack { [INFO] [stdout] | ---------------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 49 | pub fn swap(&mut self){ [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Array` is never constructed [INFO] [stdout] --> src/array.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Array where T: Clone + Display { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/array.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 9 | impl Array where T: Clone + Display { [INFO] [stdout] | ----------------------------------------- associated items in this implementation [INFO] [stdout] 10 | pub fn new()->Self{ [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 17 | pub fn push(&mut self, item: T){ [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 22 | pub fn unshift(&mut self, item: T){ [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 36 | pub fn get(&self, index: usize) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 43 | pub fn pop(&mut self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 50 | pub fn length(&self) -> usize { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 54 | pub fn print(&self){ [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/array.rs:88:13 [INFO] [stdout] | [INFO] [stdout] 88 | let mut arr:Array = Array::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: methods `length` and `print` are never used [INFO] [stdout] --> src/array.rs:50:12 [INFO] [stdout] | [INFO] [stdout] 9 | impl Array where T: Clone + Display { [INFO] [stdout] | ----------------------------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 50 | pub fn length(&self) -> usize { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 54 | pub fn print(&self){ [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] running `Command { std: "docker" "inspect" "6f4099e1c7d02627e2a737d7d27c435f1e9996784de534398703cf777be9a3c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6f4099e1c7d02627e2a737d7d27c435f1e9996784de534398703cf777be9a3c7", kill_on_drop: false }` [INFO] [stdout] 6f4099e1c7d02627e2a737d7d27c435f1e9996784de534398703cf777be9a3c7