[INFO] cloning repository https://github.com/NguyenLe1605/dllr [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NguyenLe1605/dllr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNguyenLe1605%2Fdllr", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNguyenLe1605%2Fdllr'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0b7697c8fceb259e12f3cc9f8358caa2cbc08ea1 [INFO] building NguyenLe1605/dllr against master#9bd71afb90c2a6e0348cdd4a2b10a3bf39908f19 for pr-117684 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNguyenLe1605%2Fdllr" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/NguyenLe1605/dllr on toolchain 9bd71afb90c2a6e0348cdd4a2b10a3bf39908f19 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9bd71afb90c2a6e0348cdd4a2b10a3bf39908f19" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/NguyenLe1605/dllr [INFO] finished tweaking git repo https://github.com/NguyenLe1605/dllr [INFO] tweaked toml for git repo https://github.com/NguyenLe1605/dllr written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/NguyenLe1605/dllr 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" "+9bd71afb90c2a6e0348cdd4a2b10a3bf39908f19" "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] building NguyenLe1605/dllr against try#53e03135c36e913ff664ce8329041b7e3c2fd358 for pr-117684 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNguyenLe1605%2Fdllr" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/NguyenLe1605/dllr on toolchain 53e03135c36e913ff664ce8329041b7e3c2fd358 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+53e03135c36e913ff664ce8329041b7e3c2fd358" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/NguyenLe1605/dllr [INFO] finished tweaking git repo https://github.com/NguyenLe1605/dllr [INFO] tweaked toml for git repo https://github.com/NguyenLe1605/dllr written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/NguyenLe1605/dllr 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" "+53e03135c36e913ff664ce8329041b7e3c2fd358" "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 [ERROR] error running command: no output for 300 seconds [INFO] building NguyenLe1605/dllr against try#53e03135c36e913ff664ce8329041b7e3c2fd358 for pr-117684 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNguyenLe1605%2Fdllr" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/NguyenLe1605/dllr on toolchain 53e03135c36e913ff664ce8329041b7e3c2fd358 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+53e03135c36e913ff664ce8329041b7e3c2fd358" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/NguyenLe1605/dllr [INFO] finished tweaking git repo https://github.com/NguyenLe1605/dllr [INFO] tweaked toml for git repo https://github.com/NguyenLe1605/dllr written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/NguyenLe1605/dllr 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" "+53e03135c36e913ff664ce8329041b7e3c2fd358" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:0c7e0e8312ad82a1bed3696438480b7da990d348377d3754e1cd95b06a8a36c7" "/opt/rustwide/cargo-home/bin/cargo" "+53e03135c36e913ff664ce8329041b7e3c2fd358" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 206de0fd414156e55c6a0cc862d863923d792cb2ad1fe77a0b28537c51bc16ac [INFO] running `Command { std: "docker" "start" "-a" "206de0fd414156e55c6a0cc862d863923d792cb2ad1fe77a0b28537c51bc16ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "206de0fd414156e55c6a0cc862d863923d792cb2ad1fe77a0b28537c51bc16ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "206de0fd414156e55c6a0cc862d863923d792cb2ad1fe77a0b28537c51bc16ac", kill_on_drop: false }` [INFO] [stdout] 206de0fd414156e55c6a0cc862d863923d792cb2ad1fe77a0b28537c51bc16ac [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:0c7e0e8312ad82a1bed3696438480b7da990d348377d3754e1cd95b06a8a36c7" "/opt/rustwide/cargo-home/bin/cargo" "+53e03135c36e913ff664ce8329041b7e3c2fd358" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0e56a98795236bd57c2d44a934ae245921908bb598cd36c4e7ace284f95b106a [INFO] running `Command { std: "docker" "start" "-a" "0e56a98795236bd57c2d44a934ae245921908bb598cd36c4e7ace284f95b106a", kill_on_drop: false }` [INFO] [stderr] Compiling dllr v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::cell::Cell` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cell::Cell; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple methods are never used [INFO] [stdout] --> src/list.rs:53:12 [INFO] [stdout] | [INFO] [stdout] 44 | impl List { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 53 | pub fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 57 | pub fn get_size(&self) -> usize { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 92 | pub fn get(&self, index: isize) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 111 | pub fn delete_front(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 131 | pub fn delete_back(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 156 | pub fn front(&self) -> Option { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 164 | pub fn back(&self) -> Option { [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 [unoptimized + debuginfo] target(s) in 0.15s [INFO] running `Command { std: "docker" "inspect" "0e56a98795236bd57c2d44a934ae245921908bb598cd36c4e7ace284f95b106a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e56a98795236bd57c2d44a934ae245921908bb598cd36c4e7ace284f95b106a", kill_on_drop: false }` [INFO] [stdout] 0e56a98795236bd57c2d44a934ae245921908bb598cd36c4e7ace284f95b106a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:0c7e0e8312ad82a1bed3696438480b7da990d348377d3754e1cd95b06a8a36c7" "/opt/rustwide/cargo-home/bin/cargo" "+53e03135c36e913ff664ce8329041b7e3c2fd358" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 592d3df83348c2d994d9f38c18494819c7f486bdde919e42ced797d75a8cb4cf [INFO] running `Command { std: "docker" "start" "-a" "592d3df83348c2d994d9f38c18494819c7f486bdde919e42ced797d75a8cb4cf", kill_on_drop: false }` [INFO] [stderr] Compiling dllr v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::cell::Cell` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cell::Cell; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.35s [INFO] running `Command { std: "docker" "inspect" "592d3df83348c2d994d9f38c18494819c7f486bdde919e42ced797d75a8cb4cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "592d3df83348c2d994d9f38c18494819c7f486bdde919e42ced797d75a8cb4cf", kill_on_drop: false }` [INFO] [stdout] 592d3df83348c2d994d9f38c18494819c7f486bdde919e42ced797d75a8cb4cf