[INFO] cloning repository https://github.com/123dou/learnRust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/123dou/learnRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F123dou%2FlearnRust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F123dou%2FlearnRust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f9b44b36f613944d8f197a85cadff7b5da58f239 [INFO] testing 123dou/learnRust against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F123dou%2FlearnRust" "/workspace/builds/worker-59/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-59/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/123dou/learnRust on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/123dou/learnRust [INFO] finished tweaking git repo https://github.com/123dou/learnRust [INFO] tweaked toml for git repo https://github.com/123dou/learnRust written to /workspace/builds/worker-59/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: profile `doc` is deprecated and has no effect [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-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 646f9cc2b41ddb02ac97bf1722790b88983d33a3f60b376217c84c4f7cffeadd [INFO] running `Command { std: "docker" "start" "-a" "646f9cc2b41ddb02ac97bf1722790b88983d33a3f60b376217c84c4f7cffeadd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "646f9cc2b41ddb02ac97bf1722790b88983d33a3f60b376217c84c4f7cffeadd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "646f9cc2b41ddb02ac97bf1722790b88983d33a3f60b376217c84c4f7cffeadd", kill_on_drop: false }` [INFO] [stdout] 646f9cc2b41ddb02ac97bf1722790b88983d33a3f60b376217c84c4f7cffeadd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ff8a1d89ee5f992633c84418d5f46cbbcda55c2ccf0dccf788e335095fd662f1 [INFO] running `Command { std: "docker" "start" "-a" "ff8a1d89ee5f992633c84418d5f46cbbcda55c2ccf0dccf788e335095fd662f1", kill_on_drop: false }` [INFO] [stderr] warning: profile `doc` is deprecated and has no effect [INFO] [stderr] Compiling libc v0.2.123 [INFO] [stderr] Compiling proc-macro2 v1.0.37 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.91 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling gcc v0.3.55 [INFO] [stderr] Compiling serde_json v1.0.79 [INFO] [stderr] Compiling ppv-lite86 v0.2.16 [INFO] [stderr] Compiling rustc-serialize v0.3.24 [INFO] [stderr] Compiling ryu v1.0.9 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling itoa v1.0.1 [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Compiling rust-crypto v0.2.36 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling time v0.1.44 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.3.23 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling toml v0.5.8 [INFO] [stderr] Compiling learn_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crate::data_struct::link::Link` [INFO] [stdout] --> src/data_struct/link_test.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::data_struct::link::Link; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] help: consider adding a `#[cfg(test)]` to the containing module [INFO] [stdout] --> src/data_struct/mod.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | mod link_test; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `toml::de::Error` [INFO] [stdout] --> src/learn_open_source/toml_demo.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use toml::de::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::VecDeque` [INFO] [stdout] --> src/leetcode/editor/cn/largest_rectangle_in_histogram_84.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 36 | use std::collections::VecDeque; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::process::id` [INFO] [stdout] --> src/leetcode/editor/cn/largest_rectangle_in_histogram_84.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 37 | use std::process::id; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::process::id` [INFO] [stdout] --> src/leetcode/editor/cn/redundant_connection_ii_685.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 41 | use std::process::id; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::iter::FromIterator` [INFO] [stdout] --> src/leetcode/editor/cn/union_find.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::iter::FromIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `thread`, `time` [INFO] [stdout] --> src/sort/sort_test.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{thread, time}; [INFO] [stdout] | ^^^^^^ ^^^^ [INFO] [stdout] | [INFO] [stdout] help: consider adding a `#[cfg(test)]` to the containing module [INFO] [stdout] --> src/sort/mod.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | mod sort_test; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::sort::sort` [INFO] [stdout] --> src/sort/sort_test.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::sort::sort; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: consider adding a `#[cfg(test)]` to the containing module [INFO] [stdout] --> src/sort/mod.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | mod sort_test; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::VecDeque` [INFO] [stdout] --> src/test_std/test_string.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::VecDeque; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: consider adding a `#[cfg(test)]` to the containing module [INFO] [stdout] --> src/test_std/mod.rs:6:1 [INFO] [stdout] | [INFO] [stdout] 6 | mod test_string; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Arc`, `Mutex` [INFO] [stdout] --> src/test_std/test_thread/test_thread.rs:1:17 [INFO] [stdout] | [INFO] [stdout] 1 | use std::sync::{Arc, Mutex}; [INFO] [stdout] | ^^^ ^^^^^ [INFO] [stdout] | [INFO] [stdout] help: consider adding a `#[cfg(test)]` to the containing module [INFO] [stdout] --> src/test_std/test_thread/mod.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | mod test_thread; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `channel`, `sync_channel` [INFO] [stdout] --> src/test_std/test_thread/test_channel.rs:1:23 [INFO] [stdout] | [INFO] [stdout] 1 | use std::sync::mpsc::{channel, sync_channel}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: consider adding a `#[cfg(test)]` to the containing module [INFO] [stdout] --> src/test_std/test_thread/mod.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | mod test_channel; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/test_std/test_thread/test_channel.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: consider adding a `#[cfg(test)]` to the containing module [INFO] [stdout] --> src/test_std/test_thread/mod.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | mod test_channel; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `channel` [INFO] [stdout] --> src/test_std/test_thread/proof_of_work_demo.rs:7:23 [INFO] [stdout] | [INFO] [stdout] 7 | use std::sync::mpsc::{channel, Sender}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: consider adding a `#[cfg(test)]` to the containing module [INFO] [stdout] --> src/test_std/test_thread/mod.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | mod proof_of_work_demo; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/test_std/test_trait/test_map.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: consider adding a `#[cfg(test)]` to the containing module [INFO] [stdout] --> src/test_std/test_trait/mod.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | mod test_map; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::prelude::SliceRandom` [INFO] [stdout] --> src/test_std/test_trait/test_partition.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use rand::prelude::SliceRandom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: consider adding a `#[cfg(test)]` to the containing module [INFO] [stdout] --> src/test_std/test_trait/mod.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | mod test_partition; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::thread_rng` [INFO] [stdout] --> src/test_std/test_trait/test_partition.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use rand::thread_rng; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: consider adding a `#[cfg(test)]` to the containing module [INFO] [stdout] --> src/test_std/test_trait/mod.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | mod test_partition; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::BinaryHeap` [INFO] [stdout] --> src/test_std/test_binary_heap.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::collections::BinaryHeap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: consider adding a `#[cfg(test)]` to the containing module [INFO] [stdout] --> src/test_std/mod.rs:11:1 [INFO] [stdout] | [INFO] [stdout] 11 | mod test_binary_heap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `itertools::Itertools` [INFO] [stdout] --> src/test_std/test_binary_heap.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use itertools::Itertools; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: consider adding a `#[cfg(test)]` to the containing module [INFO] [stdout] --> src/test_std/mod.rs:11:1 [INFO] [stdout] | [INFO] [stdout] 11 | mod test_binary_heap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(drain_filter)] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(entry_insert)] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(binary_heap_into_iter_sorted)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::Borrow` [INFO] [stdout] --> src/leetcode/editor/cn/easy/tree/symmetric_tree.rs:54:5 [INFO] [stdout] | [INFO] [stdout] 54 | use std::borrow::Borrow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::Borrow` [INFO] [stdout] --> src/leetcode/editor/cn/easy/tree/validate_binary_search_tree.rs:54:5 [INFO] [stdout] | [INFO] [stdout] 54 | use std::borrow::Borrow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors; 20 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `learn_rust` due to 4 previous errors; 20 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "ff8a1d89ee5f992633c84418d5f46cbbcda55c2ccf0dccf788e335095fd662f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff8a1d89ee5f992633c84418d5f46cbbcda55c2ccf0dccf788e335095fd662f1", kill_on_drop: false }` [INFO] [stdout] ff8a1d89ee5f992633c84418d5f46cbbcda55c2ccf0dccf788e335095fd662f1