[INFO] cloning repository https://github.com/tangkhaiphuong/rust-practice [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tangkhaiphuong/rust-practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftangkhaiphuong%2Frust-practice", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftangkhaiphuong%2Frust-practice'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] bd082f2c129cf6336a895c13b563e8a3ce86decd [INFO] checking tangkhaiphuong/rust-practice against master#023084804e5e8ea42877451c2b3030e7050281cc for pr-123909 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftangkhaiphuong%2Frust-practice" "/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/tangkhaiphuong/rust-practice on toolchain 023084804e5e8ea42877451c2b3030e7050281cc [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+023084804e5e8ea42877451c2b3030e7050281cc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tangkhaiphuong/rust-practice [INFO] finished tweaking git repo https://github.com/tangkhaiphuong/rust-practice [INFO] tweaked toml for git repo https://github.com/tangkhaiphuong/rust-practice written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/tangkhaiphuong/rust-practice 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" "+023084804e5e8ea42877451c2b3030e7050281cc" "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 tangkhaiphuong/rust-practice against try#3b6ef522ec6da5b39fa0cf004b820c15884319db for pr-123909 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftangkhaiphuong%2Frust-practice" "/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/tangkhaiphuong/rust-practice on toolchain 3b6ef522ec6da5b39fa0cf004b820c15884319db [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3b6ef522ec6da5b39fa0cf004b820c15884319db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tangkhaiphuong/rust-practice [INFO] finished tweaking git repo https://github.com/tangkhaiphuong/rust-practice [INFO] tweaked toml for git repo https://github.com/tangkhaiphuong/rust-practice written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/tangkhaiphuong/rust-practice 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" "+3b6ef522ec6da5b39fa0cf004b820c15884319db" "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 tangkhaiphuong/rust-practice against try#3b6ef522ec6da5b39fa0cf004b820c15884319db for pr-123909 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftangkhaiphuong%2Frust-practice" "/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/tangkhaiphuong/rust-practice on toolchain 3b6ef522ec6da5b39fa0cf004b820c15884319db [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3b6ef522ec6da5b39fa0cf004b820c15884319db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tangkhaiphuong/rust-practice [INFO] finished tweaking git repo https://github.com/tangkhaiphuong/rust-practice [INFO] tweaked toml for git repo https://github.com/tangkhaiphuong/rust-practice written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/tangkhaiphuong/rust-practice 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" "+3b6ef522ec6da5b39fa0cf004b820c15884319db" "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 impl_ops v0.1.1 [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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+3b6ef522ec6da5b39fa0cf004b820c15884319db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 69dbfa3abcbeabbfa24b85a0a7bcb6abc621c4c8550289ab3bdf817ea28f3e33 [INFO] running `Command { std: "docker" "start" "-a" "69dbfa3abcbeabbfa24b85a0a7bcb6abc621c4c8550289ab3bdf817ea28f3e33", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "69dbfa3abcbeabbfa24b85a0a7bcb6abc621c4c8550289ab3bdf817ea28f3e33", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "69dbfa3abcbeabbfa24b85a0a7bcb6abc621c4c8550289ab3bdf817ea28f3e33", kill_on_drop: false }` [INFO] [stdout] 69dbfa3abcbeabbfa24b85a0a7bcb6abc621c4c8550289ab3bdf817ea28f3e33 [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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+3b6ef522ec6da5b39fa0cf004b820c15884319db" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9d444321b7fa64b10292e9dbb2744c7cf1736a1d4b40f9116e083888b6dcad82 [INFO] running `Command { std: "docker" "start" "-a" "9d444321b7fa64b10292e9dbb2744c7cf1736a1d4b40f9116e083888b6dcad82", kill_on_drop: false }` [INFO] [stderr] Checking impl_ops v0.1.1 [INFO] [stderr] Checking practice v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `IndexMut`, `Index` [INFO] [stdout] --> src/sort.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::ops::{Index, IndexMut}; [INFO] [stdout] | ^^^^^ ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `IndexMut`, `Index` [INFO] [stdout] --> src/sort.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::ops::{Index, IndexMut}; [INFO] [stdout] | ^^^^^ ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::cell::RefCell` [INFO] [stdout] --> src/lib.rs:111:9 [INFO] [stdout] | [INFO] [stdout] 111 | use core::cell::RefCell; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/lib.rs:364:10 [INFO] [stdout] | [INFO] [stdout] 364 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/lib.rs:380:10 [INFO] [stdout] | [INFO] [stdout] 380 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/collection.rs:23:24 [INFO] [stdout] | [INFO] [stdout] 23 | pub struct IntoIter(LinkedList); [INFO] [stdout] | -------- ^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 23 | pub struct IntoIter(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `test_sorts::Person: Ord` is not satisfied [INFO] [stdout] --> src/lib.rs:166:19 [INFO] [stdout] | [INFO] [stdout] 166 | sort(&mut data, |left, right| left.name > right.name); [INFO] [stdout] | ---- ^^^^ the trait `Ord` is not implemented for `test_sorts::Person`, which is required by `&test_sorts::Person: Ord` [INFO] [stdout] | | [INFO] [stdout] | required by a bound introduced by this call [INFO] [stdout] | [INFO] [stdout] = note: required for `&test_sorts::Person` to implement `Ord` [INFO] [stdout] note: required by a bound in `sort` [INFO] [stdout] --> src/sort.rs:3:95 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn sort bool>(array: &mut [T], compare: F) where T: Eq + PartialEq + Ord { [INFO] [stdout] | ^^^ required by this bound in `sort` [INFO] [stdout] help: consider annotating `test_sorts::Person` with `#[derive(Ord)]` [INFO] [stdout] | [INFO] [stdout] 119 + #[derive(Ord)] [INFO] [stdout] 120 | struct Person { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `test_sorts::Person: Ord` is not satisfied [INFO] [stdout] --> src/lib.rs:183:14 [INFO] [stdout] | [INFO] [stdout] 183 | sort(&mut data, |left, right| left.name > right.name); [INFO] [stdout] | ---- ^^^^^^^^^ the trait `Ord` is not implemented for `test_sorts::Person`, which is required by `Box: Ord` [INFO] [stdout] | | [INFO] [stdout] | required by a bound introduced by this call [INFO] [stdout] | [INFO] [stdout] = help: the trait `Ord` is implemented for `Box` [INFO] [stdout] = note: required for `Box` to implement `Ord` [INFO] [stdout] note: required by a bound in `sort` [INFO] [stdout] --> src/sort.rs:3:95 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn sort bool>(array: &mut [T], compare: F) where T: Eq + PartialEq + Ord { [INFO] [stdout] | ^^^ required by this bound in `sort` [INFO] [stdout] help: consider annotating `test_sorts::Person` with `#[derive(Ord)]` [INFO] [stdout] | [INFO] [stdout] 119 + #[derive(Ord)] [INFO] [stdout] 120 | struct Person { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::BorrowMut` [INFO] [stdout] --> src/lib.rs:277:9 [INFO] [stdout] | [INFO] [stdout] 277 | use std::borrow::BorrowMut; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:204:13 [INFO] [stdout] | [INFO] [stdout] 204 | let mut vec1 = fill_vec(&mut vec0); [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: unused variable: `future` [INFO] [stdout] --> src/lib.rs:357:13 [INFO] [stdout] | [INFO] [stdout] 357 | let future = hello_world(); // Nothing is printed [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_future` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `practice` (lib test) due to 3 previous errors; 7 warnings emitted [INFO] running `Command { std: "docker" "inspect" "9d444321b7fa64b10292e9dbb2744c7cf1736a1d4b40f9116e083888b6dcad82", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d444321b7fa64b10292e9dbb2744c7cf1736a1d4b40f9116e083888b6dcad82", kill_on_drop: false }` [INFO] [stdout] 9d444321b7fa64b10292e9dbb2744c7cf1736a1d4b40f9116e083888b6dcad82