[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#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftangkhaiphuong%2Frust-practice" "/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/tangkhaiphuong/rust-practice on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "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-4-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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5dbd65b3cac12545077f36f5d5730625057e4c40e315ac10dcf67c5bf1c9ee72 [INFO] running `Command { std: "docker" "start" "-a" "5dbd65b3cac12545077f36f5d5730625057e4c40e315ac10dcf67c5bf1c9ee72", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5dbd65b3cac12545077f36f5d5730625057e4c40e315ac10dcf67c5bf1c9ee72", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5dbd65b3cac12545077f36f5d5730625057e4c40e315ac10dcf67c5bf1c9ee72", kill_on_drop: false }` [INFO] [stdout] 5dbd65b3cac12545077f36f5d5730625057e4c40e315ac10dcf67c5bf1c9ee72 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ba7e95547910623136d158438e95c7a161f5925c4521618a6c55992e3e393cb1 [INFO] running `Command { std: "docker" "start" "-a" "ba7e95547910623136d158438e95c7a161f5925c4521618a6c55992e3e393cb1", 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" "ba7e95547910623136d158438e95c7a161f5925c4521618a6c55992e3e393cb1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ba7e95547910623136d158438e95c7a161f5925c4521618a6c55992e3e393cb1", kill_on_drop: false }` [INFO] [stdout] ba7e95547910623136d158438e95c7a161f5925c4521618a6c55992e3e393cb1 [INFO] checking tangkhaiphuong/rust-practice against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftangkhaiphuong%2Frust-practice" "/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/tangkhaiphuong/rust-practice on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "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-4-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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0d7bed2d65ca7ed7efde59481b300ee786dc86936585ed3d0255c1ea99780e0f [INFO] running `Command { std: "docker" "start" "-a" "0d7bed2d65ca7ed7efde59481b300ee786dc86936585ed3d0255c1ea99780e0f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0d7bed2d65ca7ed7efde59481b300ee786dc86936585ed3d0255c1ea99780e0f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d7bed2d65ca7ed7efde59481b300ee786dc86936585ed3d0255c1ea99780e0f", kill_on_drop: false }` [INFO] [stdout] 0d7bed2d65ca7ed7efde59481b300ee786dc86936585ed3d0255c1ea99780e0f [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] da29da2e28f3e97fe5cd60ad32ed679f42661b85e6d64c9852faee009ff27efc [INFO] running `Command { std: "docker" "start" "-a" "da29da2e28f3e97fe5cd60ad32ed679f42661b85e6d64c9852faee009ff27efc", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] skipping non-2021 edition `2018` [INFO] running `Command { std: "docker" "inspect" "da29da2e28f3e97fe5cd60ad32ed679f42661b85e6d64c9852faee009ff27efc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da29da2e28f3e97fe5cd60ad32ed679f42661b85e6d64c9852faee009ff27efc", kill_on_drop: false }` [INFO] [stdout] da29da2e28f3e97fe5cd60ad32ed679f42661b85e6d64c9852faee009ff27efc