[INFO] cloning repository https://github.com/KannanPalani57/learning-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KannanPalani57/learning-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKannanPalani57%2Flearning-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKannanPalani57%2Flearning-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 78c2f1acb1e2800545b86664bcf02aac116e5e21 [INFO] checking KannanPalani57/learning-rust against master#982c6f8721416431ec62bb0b9105c0578a9fc603 for pr-129329 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKannanPalani57%2Flearning-rust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/KannanPalani57/learning-rust on toolchain 982c6f8721416431ec62bb0b9105c0578a9fc603 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+982c6f8721416431ec62bb0b9105c0578a9fc603" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/KannanPalani57/learning-rust [INFO] finished tweaking git repo https://github.com/KannanPalani57/learning-rust [INFO] tweaked toml for git repo https://github.com/KannanPalani57/learning-rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/KannanPalani57/learning-rust 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" "+982c6f8721416431ec62bb0b9105c0578a9fc603" "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 KannanPalani57/learning-rust against try#fa63ef4ad80785c0f3f362275f3772bdc67c23e0 for pr-129329 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKannanPalani57%2Flearning-rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/KannanPalani57/learning-rust on toolchain fa63ef4ad80785c0f3f362275f3772bdc67c23e0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fa63ef4ad80785c0f3f362275f3772bdc67c23e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/KannanPalani57/learning-rust [INFO] finished tweaking git repo https://github.com/KannanPalani57/learning-rust [INFO] tweaked toml for git repo https://github.com/KannanPalani57/learning-rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/KannanPalani57/learning-rust 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" "+fa63ef4ad80785c0f3f362275f3772bdc67c23e0" "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] checking KannanPalani57/learning-rust against try#fa63ef4ad80785c0f3f362275f3772bdc67c23e0 for pr-129329 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKannanPalani57%2Flearning-rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/KannanPalani57/learning-rust on toolchain fa63ef4ad80785c0f3f362275f3772bdc67c23e0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fa63ef4ad80785c0f3f362275f3772bdc67c23e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/KannanPalani57/learning-rust [INFO] finished tweaking git repo https://github.com/KannanPalani57/learning-rust [INFO] tweaked toml for git repo https://github.com/KannanPalani57/learning-rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/KannanPalani57/learning-rust 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" "+fa63ef4ad80785c0f3f362275f3772bdc67c23e0" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+fa63ef4ad80785c0f3f362275f3772bdc67c23e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 592b4d73a88f288c5d3e498f0ba6e55b513022911f58f1ddb44f175babb7ca7f [INFO] running `Command { std: "docker" "start" "-a" "592b4d73a88f288c5d3e498f0ba6e55b513022911f58f1ddb44f175babb7ca7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "592b4d73a88f288c5d3e498f0ba6e55b513022911f58f1ddb44f175babb7ca7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "592b4d73a88f288c5d3e498f0ba6e55b513022911f58f1ddb44f175babb7ca7f", kill_on_drop: false }` [INFO] [stdout] 592b4d73a88f288c5d3e498f0ba6e55b513022911f58f1ddb44f175babb7ca7f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+fa63ef4ad80785c0f3f362275f3772bdc67c23e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 21746e4089c694cd07d1521c7d7f5a721c88b7ac35fad8a53e32a9ff66188312 [INFO] running `Command { std: "docker" "start" "-a" "21746e4089c694cd07d1521c7d7f5a721c88b7ac35fad8a53e32a9ff66188312", kill_on_drop: false }` [INFO] [stderr] Checking learning-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::fmt::format` [INFO] [stdout] --> src/learning_traits.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fmt::format; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt::format` [INFO] [stdout] --> src/learning_traits.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fmt::format; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/learning_closures.rs:24:13 [INFO] [stdout] | [INFO] [stdout] 24 | let mut num_red = self.red_shirt_count(); [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/learning_closures.rs:25:13 [INFO] [stdout] | [INFO] [stdout] 25 | let mut num_blue = self.blue_shirt_count(); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/learning_closures.rs:24:13 [INFO] [stdout] | [INFO] [stdout] 24 | let mut num_red = self.red_shirt_count(); [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/learning_closures.rs:25:13 [INFO] [stdout] | [INFO] [stdout] 25 | let mut num_blue = self.blue_shirt_count(); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/learning_closures.rs:91:9 [INFO] [stdout] | [INFO] [stdout] 91 | let mut list = vec![1,2,3]; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/learning_closures.rs:91:9 [INFO] [stdout] | [INFO] [stdout] 91 | let mut list = vec![1,2,3]; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `other` [INFO] [stdout] --> src/write_tests.rs:13:24 [INFO] [stdout] | [INFO] [stdout] 13 | fn can_hold(&self, other: &Rectangle) -> bool { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_other` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `other` [INFO] [stdout] --> src/write_tests.rs:13:24 [INFO] [stdout] | [INFO] [stdout] 13 | fn can_hold(&self, other: &Rectangle) -> bool { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_other` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Rectangle` is never constructed [INFO] [stdout] --> src/write_tests.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | struct Rectangle { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `can_hold` is never used [INFO] [stdout] --> src/write_tests.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 12 | impl Rectangle { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] 13 | fn can_hold(&self, other: &Rectangle) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `myName` should have a snake case name [INFO] [stdout] --> src/learning_lifetime.rs:21:6 [INFO] [stdout] | [INFO] [stdout] 21 | let myName = String::from("Kannan"); [INFO] [stdout] | ^^^^^^ help: convert the identifier to snake case: `my_name` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `myNameStruct` should have a snake case name [INFO] [stdout] --> src/learning_lifetime.rs:23:6 [INFO] [stdout] | [INFO] [stdout] 23 | let myNameStruct = MyNameInSentence { [INFO] [stdout] | ^^^^^^^^^^^^ help: convert the identifier to snake case: `my_name_struct` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Rectangle` is never constructed [INFO] [stdout] --> src/write_tests.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | struct Rectangle { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `can_hold` is never used [INFO] [stdout] --> src/write_tests.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 12 | impl Rectangle { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] 13 | fn can_hold(&self, other: &Rectangle) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `myName` should have a snake case name [INFO] [stdout] --> src/learning_lifetime.rs:21:6 [INFO] [stdout] | [INFO] [stdout] 21 | let myName = String::from("Kannan"); [INFO] [stdout] | ^^^^^^ help: convert the identifier to snake case: `my_name` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `myNameStruct` should have a snake case name [INFO] [stdout] --> src/learning_lifetime.rs:23:6 [INFO] [stdout] | [INFO] [stdout] 23 | let myNameStruct = MyNameInSentence { [INFO] [stdout] | ^^^^^^^^^^^^ help: convert the identifier to snake case: `my_name_struct` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `learning_traits` [INFO] [stdout] --> src/main.rs:1:38 [INFO] [stdout] | [INFO] [stdout] 1 | use learning_rust::learning_traits::{learning_traits}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `lifetime` [INFO] [stdout] --> src/main.rs:2:40 [INFO] [stdout] | [INFO] [stdout] 2 | use learning_rust::learning_lifetime::{lifetime}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `closure` [INFO] [stdout] --> src/main.rs:3:40 [INFO] [stdout] | [INFO] [stdout] 3 | use learning_rust::learning_closures::{closure}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `learning_iterators` [INFO] [stdout] --> src/main.rs:4:32 [INFO] [stdout] | [INFO] [stdout] 4 | use learning_rust::iterators::{learning_iterators}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `deref_smart_pointers` [INFO] [stdout] --> src/main.rs:5:43 [INFO] [stdout] | [INFO] [stdout] 5 | use learning_rust::deref_smart_pointers::{deref_smart_pointers}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `learning_threads` [INFO] [stdout] --> src/main.rs:6:29 [INFO] [stdout] | [INFO] [stdout] 6 | use learning_rust::thread::{learning_threads}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `learning_traits` [INFO] [stdout] --> src/main.rs:1:38 [INFO] [stdout] | [INFO] [stdout] 1 | use learning_rust::learning_traits::{learning_traits}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `lifetime` [INFO] [stdout] --> src/main.rs:2:40 [INFO] [stdout] | [INFO] [stdout] 2 | use learning_rust::learning_lifetime::{lifetime}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `closure` [INFO] [stdout] --> src/main.rs:3:40 [INFO] [stdout] | [INFO] [stdout] 3 | use learning_rust::learning_closures::{closure}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `learning_iterators` [INFO] [stdout] --> src/main.rs:4:32 [INFO] [stdout] | [INFO] [stdout] 4 | use learning_rust::iterators::{learning_iterators}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `deref_smart_pointers` [INFO] [stdout] --> src/main.rs:5:43 [INFO] [stdout] | [INFO] [stdout] 5 | use learning_rust::deref_smart_pointers::{deref_smart_pointers}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `learning_threads` [INFO] [stdout] --> src/main.rs:6:29 [INFO] [stdout] | [INFO] [stdout] 6 | use learning_rust::thread::{learning_threads}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s [INFO] running `Command { std: "docker" "inspect" "21746e4089c694cd07d1521c7d7f5a721c88b7ac35fad8a53e32a9ff66188312", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "21746e4089c694cd07d1521c7d7f5a721c88b7ac35fad8a53e32a9ff66188312", kill_on_drop: false }` [INFO] [stdout] 21746e4089c694cd07d1521c7d7f5a721c88b7ac35fad8a53e32a9ff66188312