[INFO] cloning repository https://github.com/manojkumarmc/snake_and_ladder [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/manojkumarmc/snake_and_ladder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmanojkumarmc%2Fsnake_and_ladder", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmanojkumarmc%2Fsnake_and_ladder'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 56e2081487c7a6ca996c07b6c02e62dac767a998 [INFO] checking manojkumarmc/snake_and_ladder against master#5557f8c9d08d7f3f680943dcf97b6d4a7eb13aea for pr-124336 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmanojkumarmc%2Fsnake_and_ladder" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/manojkumarmc/snake_and_ladder on toolchain 5557f8c9d08d7f3f680943dcf97b6d4a7eb13aea [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5557f8c9d08d7f3f680943dcf97b6d4a7eb13aea" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/manojkumarmc/snake_and_ladder [INFO] finished tweaking git repo https://github.com/manojkumarmc/snake_and_ladder [INFO] tweaked toml for git repo https://github.com/manojkumarmc/snake_and_ladder written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/manojkumarmc/snake_and_ladder 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" "+5557f8c9d08d7f3f680943dcf97b6d4a7eb13aea" "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 manojkumarmc/snake_and_ladder against try#311f8b6ca41358db8ae08490a9ca0916f11e9de3 for pr-124336 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmanojkumarmc%2Fsnake_and_ladder" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/manojkumarmc/snake_and_ladder on toolchain 311f8b6ca41358db8ae08490a9ca0916f11e9de3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+311f8b6ca41358db8ae08490a9ca0916f11e9de3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/manojkumarmc/snake_and_ladder [INFO] finished tweaking git repo https://github.com/manojkumarmc/snake_and_ladder [INFO] tweaked toml for git repo https://github.com/manojkumarmc/snake_and_ladder written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/manojkumarmc/snake_and_ladder 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" "+311f8b6ca41358db8ae08490a9ca0916f11e9de3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] checking manojkumarmc/snake_and_ladder against try#311f8b6ca41358db8ae08490a9ca0916f11e9de3 for pr-124336 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmanojkumarmc%2Fsnake_and_ladder" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/manojkumarmc/snake_and_ladder on toolchain 311f8b6ca41358db8ae08490a9ca0916f11e9de3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+311f8b6ca41358db8ae08490a9ca0916f11e9de3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/manojkumarmc/snake_and_ladder [INFO] finished tweaking git repo https://github.com/manojkumarmc/snake_and_ladder [INFO] tweaked toml for git repo https://github.com/manojkumarmc/snake_and_ladder written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/manojkumarmc/snake_and_ladder 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" "+311f8b6ca41358db8ae08490a9ca0916f11e9de3" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded if_chain v1.0.2 [INFO] [stderr] Downloaded validator_derive v0.14.0 [INFO] [stderr] Downloaded validator_types v0.14.0 [INFO] [stderr] Downloaded validator v0.14.0 [INFO] [stderr] Downloaded serde_json v1.0.71 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+311f8b6ca41358db8ae08490a9ca0916f11e9de3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7ebebbff12df66da237091ed03ebfbef6572cfdcbce28b1e3ffc3e0ab98b7caf [INFO] running `Command { std: "docker" "start" "-a" "7ebebbff12df66da237091ed03ebfbef6572cfdcbce28b1e3ffc3e0ab98b7caf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7ebebbff12df66da237091ed03ebfbef6572cfdcbce28b1e3ffc3e0ab98b7caf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7ebebbff12df66da237091ed03ebfbef6572cfdcbce28b1e3ffc3e0ab98b7caf", kill_on_drop: false }` [INFO] [stdout] 7ebebbff12df66da237091ed03ebfbef6572cfdcbce28b1e3ffc3e0ab98b7caf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+311f8b6ca41358db8ae08490a9ca0916f11e9de3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f2f48cccb9934ce8f605d955ccb1f8feba91b55dacbc54a4643991c7f1d7d7c3 [INFO] running `Command { std: "docker" "start" "-a" "f2f48cccb9934ce8f605d955ccb1f8feba91b55dacbc54a4643991c7f1d7d7c3", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling syn v1.0.81 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling libc v0.2.107 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling serde_json v1.0.71 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Checking tinyvec v1.5.1 [INFO] [stderr] Checking unicode-bidi v0.3.7 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling if_chain v1.0.2 [INFO] [stderr] Checking ppv-lite86 v0.2.15 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Checking unicode-normalization v0.1.19 [INFO] [stderr] Checking quote v1.0.10 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Checking url v2.2.2 [INFO] [stderr] Checking validator_types v0.14.0 [INFO] [stderr] Compiling validator_derive v0.14.0 [INFO] [stderr] Checking validator v0.14.0 [INFO] [stderr] Checking snake_ladder v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/utils.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let mut rg: usize = rand::thread_rng().gen_range(l_limit..=u_limit); [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: variable does not need to be mutable [INFO] [stdout] --> src/utils.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let mut rg: usize = rand::thread_rng().gen_range(l_limit..=u_limit); [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: method `get_col_data` is never used [INFO] [stdout] --> src/model.rs:43:12 [INFO] [stdout] | [INFO] [stdout] 28 | impl Board { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 43 | pub fn get_col_data(&self, col_id: usize) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `id` is never read [INFO] [stdout] --> src/model.rs:85:5 [INFO] [stdout] | [INFO] [stdout] 84 | pub struct Player { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 85 | id: usize, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `Player` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `set_name` is never used [INFO] [stdout] --> src/model.rs:99:12 [INFO] [stdout] | [INFO] [stdout] 90 | impl Player { [INFO] [stdout] | ----------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 99 | pub fn set_name(&mut self, n: &'static str) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get_col_data` is never used [INFO] [stdout] --> src/model.rs:43:12 [INFO] [stdout] | [INFO] [stdout] 28 | impl Board { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 43 | pub fn get_col_data(&self, col_id: usize) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `id` is never read [INFO] [stdout] --> src/model.rs:85:5 [INFO] [stdout] | [INFO] [stdout] 84 | pub struct Player { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 85 | id: usize, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `Player` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `set_name` is never used [INFO] [stdout] --> src/model.rs:99:12 [INFO] [stdout] | [INFO] [stdout] 90 | impl Player { [INFO] [stdout] | ----------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 99 | pub fn set_name(&mut self, n: &'static str) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.34s [INFO] running `Command { std: "docker" "inspect" "f2f48cccb9934ce8f605d955ccb1f8feba91b55dacbc54a4643991c7f1d7d7c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f2f48cccb9934ce8f605d955ccb1f8feba91b55dacbc54a4643991c7f1d7d7c3", kill_on_drop: false }` [INFO] [stdout] f2f48cccb9934ce8f605d955ccb1f8feba91b55dacbc54a4643991c7f1d7d7c3